Important objective questions for vlsi core companies
1. VLSI technology uses ________ to form integrated circuit
a) transistors
b) switches
c) diodes
d) buffers
a) transistors
b) switches
c) diodes
d) buffers
2. Medium scale integration has
a) ten logic gates
b) fifty logic gates
c) hundred logic gates
d) thousands logic gates
a) ten logic gates
b) fifty logic gates
c) hundred logic gates
d) thousands logic gates
3. The difficulty in achieving high doping concentration
leads to
a) error in concentration
b) error in variation
c) error in doping
d) distrubution error
a) error in concentration
b) error in variation
c) error in doping
d) distrubution error
4. _________ is used to deal with effect of variation
a) chip level technique
b) logic level technique
c) switch level technique
d) system level technique
a) chip level technique
b) logic level technique
c) switch level technique
d) system level technique
5. As die size shrinks, the complexity of making the
photomasks
a) increases
b) decreases
c) remains the same
d) cannot be determined
a) increases
b) decreases
c) remains the same
d) cannot be determined
6. ______ architecture is used to design VLSI
a) system on a device
b) single open circuit
c) system on a chip
d) system on a circuit
a) system on a device
b) single open circuit
c) system on a chip
d) system on a circuit
7. The design flow of VLSI system is
1. architecture design 2. market requirement 3. logic design 4. HDL coding
a) 2-1-3-4
b) 4-1-3-2
c) 3-2-1-4
d) 1-2-3-4
1. architecture design 2. market requirement 3. logic design 4. HDL coding
a) 2-1-3-4
b) 4-1-3-2
c) 3-2-1-4
d) 1-2-3-4
8. ______ is used in logic design of VLSI
a) LIFO
b) FIFO
c) FILO
d) LILO
a) LIFO
b) FIFO
c) FILO
d) LILO
9. Which provides higher integration density?
a) switch transistor logic
b) transistor buffer logic
c) transistor transistor logic
d) circuit level logic
a) switch transistor logic
b) transistor buffer logic
c) transistor transistor logic
d) circuit level logic
10. Physical and electrical specification is given in
a) architectural design
b) logic design
c) system design
d) functional design
a) architectural design
b) logic design
c) system design
d) functional design
11. Which is the high level representation of VLSI design
a) problem statement
b) logic design
c) HDL program
d) functional design
a) problem statement
b) logic design
c) HDL program
d) functional design
12. Gate minimization technique is used to simplify the logic.
a) true
b) false
a) true
b) false
13. The condition for linear region is
a) Vgs lesser than Vt
b) Vgs greater than Vt
c) Vds lesser than Vgs
d) Vds greater than Vgs
a) Vgs lesser than Vt
b) Vgs greater than Vt
c) Vds lesser than Vgs
d) Vds greater than Vgs
14. As source drain voltage increases, channel depth
a) increases
b) decreases
c) logarithmically increases
d) exponentially increases
a) increases
b) decreases
c) logarithmically increases
d) exponentially increases
15. Electronics are characterized by
a) low cost
b) low weight and volume
c) reliability
d) all of the mentioned
a) low cost
b) low weight and volume
c) reliability
d) all of the mentioned
16. Speed power product
is measured as the product of
a) gate switching delay and gate power dissipation
b) gate switching delay and gate power absorption
c) gate switching delay and net gate power
d) gate power dissipation and absorption
a) gate switching delay and gate power dissipation
b) gate switching delay and gate power absorption
c) gate switching delay and net gate power
d) gate power dissipation and absorption
17. nMOS devices are formed in
a) p-type substrate of high doping level
b) n-type substrate of low doping level
c) p-type substrate of moderate doping level
d) n-type substrate of high doping level
a) p-type substrate of high doping level
b) n-type substrate of low doping level
c) p-type substrate of moderate doping level
d) n-type substrate of high doping level
18. Source and drain in nMOS device are isolated by
a) a single diode
b) two diodes
c) three diodes
d) four diodes
a) a single diode
b) two diodes
c) three diodes
d) four diodes
19. In depletion mode, source and drain are connected by
a) insulating channel
b) conducing channel
c) Vdd
d) Vss
a) insulating channel
b) conducing channel
c) Vdd
d) Vss
20. The condition for non saturated region is
a) Vds = Vgs – Vt
b) Vgs lesser than Vt
c) Vds lesser than Vgs – Vt
d) Vds greater than Vgs – Vt
a) Vds = Vgs – Vt
b) Vgs lesser than Vt
c) Vds lesser than Vgs – Vt
d) Vds greater than Vgs – Vt
21. In enhancement mode, device is in _________
condition
a) conducting
b) non conducting
c) partially conducting
d) insulating
a) conducting
b) non conducting
c) partially conducting
d) insulating
22. The condition for non conducting mode is
a) Vds lesser than Vgs
b) Vgs lesser than Vds
c) Vgs = Vds = 0
d) Vgs = Vds = Vs = 0
a) Vds lesser than Vgs
b) Vgs lesser than Vds
c) Vgs = Vds = 0
d) Vgs = Vds = Vs = 0
23. nMOS is
a) donor doped
b) acceptor doped
c) all of the mentioned
d) none of the mentioned
a) donor doped
b) acceptor doped
c) all of the mentioned
d) none of the mentioned
24. MOS transistor structure is
a) symmetrical
b) non symmetrical
c) semi symmetrical
d) pseudo symmetrical
a) symmetrical
b) non symmetrical
c) semi symmetrical
d) pseudo symmetrical
25. pMOS is
a) donor doped
b) acceptor doped
c) all of the mentioned
d) none of the mentioned
a) donor doped
b) acceptor doped
c) all of the mentioned
d) none of the mentioned
26. Inversion layer in enhancement mode consists of excess of
a) positive carriers
b) negative carriers
c) both in equal quantity
d) neutral carriers
a) positive carriers
b) negative carriers
c) both in equal quantity
d) neutral carriers
27. CMOS technology is used in developing
a) microprocessors
b) microcontrollers
c) digital logic circuits
d) all of the mentioned
a) microprocessors
b) microcontrollers
c) digital logic circuits
d) all of the mentioned
28.CMOS has
a) high noise margin
b) high packing density
c) high power dissipation
d) high complexity
a) high noise margin
b) high packing density
c) high power dissipation
d) high complexity
29. In CMOS fabrication, nMOS and pMOS are integrated in same
substrate.
a) true
b) false
a) true
b) false
30. P-well is created on
a) p subtrate
b) n substrate
c) p & n substrate
d) none of the mentioned
a) p subtrate
b) n substrate
c) p & n substrate
d) none of the mentioned
31. Oxidation process is carried out using
a) hydrogen
b) low purity oxygen
c) sulphur
d) nitrogen
a) hydrogen
b) low purity oxygen
c) sulphur
d) nitrogen
32. Photoresist layer is formed using
a) high sensitive polymer
b) light sensitive polymer
c) polysilicon
d) silicon di oxide
a) high sensitive polymer
b) light sensitive polymer
c) polysilicon
d) silicon di oxide
33. In CMOS fabrication,the photoresist layer is exposed to
a) visible light
b) ultraviolet light
c) infra red light
d) fluorescent
a) visible light
b) ultraviolet light
c) infra red light
d) fluorescent
34. Few parts of photoresist layer is removed by using
a) acidic solution
b) neutral solution
c) pure water
d) diluted water
a) acidic solution
b) neutral solution
c) pure water
d) diluted water
35. P-well doping concentration and depth will affect the
a) threshold voltage
b) Vss
c) Vdd
d) Vgs
a) threshold voltage
b) Vss
c) Vdd
d) Vgs
36. Which type of CMOS circuits are good and better?
a) p well
b) n well
c) all of the mentioned
d) none of the mentioned
a) p well
b) n well
c) all of the mentioned
d) none of the mentioned
37. N-well is formed by
a) decomposition
b) diffusion
c) dispersion
d) filtering
a) decomposition
b) diffusion
c) dispersion
d) filtering
38. _______ is sputtered on the whole wafer
a) silicon
b) calcium
c) potassium
d) aluminium
a) silicon
b) calcium
c) potassium
d) aluminium
39. Lithography is:
a) Process used to transfer a pattern to a layer on the chip
b) Process used to develop an oxidation layer on the chip
c) Process used to develop a metal layer on the chip
d) Process used to produce the chip
a) Process used to transfer a pattern to a layer on the chip
b) Process used to develop an oxidation layer on the chip
c) Process used to develop a metal layer on the chip
d) Process used to produce the chip
40. Silicon oxide is patterned on a substrate using:
a) Physical lithography
b) Photolithography
c) Chemical lithography
d) Mechanical lithography
a) Physical lithography
b) Photolithography
c) Chemical lithography
d) Mechanical lithography
ECE core companies interview questions
core
,
ece
,
interview
No comments
1. Which among the following is a process
of transforming design entry information of the circuit into a set of logic
equations?
a. Simulation
b. Optimization
c. Synthesis
d. Verification
b. Optimization
c. Synthesis
d. Verification
ANSWER: Synthesis
2. _________ is the fundamental
architecture block or element of a target PLD.
a. System Partitioning
b. Pre-layout Simulation
c. Logic cell
d. Post-layout Simulation
b. Pre-layout Simulation
c. Logic cell
d. Post-layout Simulation
ANSWER: Logic cell
3. In VLSI design, which process
deals with the determination of resistance & capacitance of
interconnections?
a. Floor planning
b. Placement & Routing
c. Testing
d. Extraction
b. Placement & Routing
c. Testing
d. Extraction
ANSWER: Extraction
4. In
Net-list language, the net-list is generated _______synthesizing VHDL code.
a. Before
b. At the time of (during)
c. After
d. None of the above
b. At the time of (during)
c. After
d. None of the above
ANSWER: After
5. In
VHDL, which object/s is/are used to connect entities together for the model
formation?
a. Constant
b. Variable
c. Signal
d. All of the above
b. Variable
c. Signal
d. All of the above
ANSWER: Signal
6. Which
type of simulation mode is used to check the timing performance of a design?
a. Behavioral
b. Switch-level
c. Transistor-level
d. Gate-level
b. Switch-level
c. Transistor-level
d. Gate-level
ANSWER: Gate-level
7. In
the simulation process, which step specifies the conversion of VHDL
intermediate code so that it can be used by the simulator?
a. Compilation
b. Elaboration
c. Initialization
d. Execution
b. Elaboration
c. Initialization
d. Execution
ANSWER: Elaboration
8. Which
among the following is an output generated by synthesis process?
a. Attributes & Library
b. RTL VHDL description
c. Circuit constraints
d. Gate-level net list
b. RTL VHDL description
c. Circuit constraints
d. Gate-level net list
ANSWER: Gate-level net list
9. Register
transfer level description specifies all of the registers in a design &
______ logic between them.
a. Sequential
b. Combinational
c. Both a and b
d. None of the above
b. Combinational
c. Both a and b
d. None of the above
ANSWER: Combinational
10. Which attribute in
synthesis process specify/ies the resistance by controlling the quantity of
current it can source?
a. Load attribute
b. Drive attribute
c. Arrival time attribute
d. All of the above
b. Drive attribute
c. Arrival time attribute
d. All of the above
ANSWER: Drive attribute
11. Which type of digital
systems exhibit the necessity for the existence of at least one feedback path
from output to input?
a. Combinational System
b. Sequential system
c. Both a and b
d. None of the above
b. Sequential system
c. Both a and b
d. None of the above
ANSWER: Sequential system
12. The output of
sequential circuit is regarded as a function of time sequence of __________.
A. Inputs
B. Outputs
C. Internal States
D. External States
A. Inputs
B. Outputs
C. Internal States
D. External States
a. A & D
b. A & C
c. B & D
d. B & C
b. A & C
c. B & D
d. B & C
ANSWER: A & C
13. The time required for
an input data to settle _____ the triggering edge of clock is known as ‘Setup Time’.
a. Before
b. During
c. After
d. All of the above
b. During
c. After
d. All of the above
ANSWER: Before
14. Hold time is defined
as the time required for the data to ________ after the triggering edge of
clock.
a. Increase
b. Decrease
c. Remain stable
d. All of the above
b. Decrease
c. Remain stable
d. All of the above
ANSWER: Remain stable
15. An Antifuse programming
technology is predominantly associated with _____.
a. SPLDs
b. FPGAs
c. CPLDs
d. All of the above
b. FPGAs
c. CPLDs
d. All of the above
ANSWER: FPGAs
Important General awareness questions for RRB
1. The name of the coastal area of Andhra Pradesh state is
a) Circar coastal area
b) Konkan coastal area
c) Malabar coastal area
d) Coramandal coastal area
2.The second largest coastal area state is
a) Tamilnadu
b) Goa
c) Andhra Pradesh Odisha
d) Kerala
3.The length of circar coastal area is
a) 1300km
b) 972km
c) 1200km
d) 1500km
4. Malabar coastal area is present in which state
a) Kerala
b) Karnataka
c) Goa
d) Kolkatta
5.The Height of Himalayas is
a) 8000m
b) 8848m
c) 8848km
d) 8000km
6.The total number of coastal areas in west part of India are
a) 4
b) 5
c) 3
d) 6
7.The total number of coastal areas in East part of India are
a) 4
b) 5
c) 3
d) 6
8. The length of Coromandel coastal area is
a) 960km
b) 500km
c) 250km
d) 300km
9. UNO Headquarters is at
a) Japan
b) Newyork
c)Singapore
d) Italy
10. WHO Headquarters is at
a) Geneva
b) Norway
c) Finland
d) Thailand
11. Pink city in India is
a) Nagpur
b) Jaipur
c) Canada
d) Banglore
12. Garden city India is
a) Banglore
b) Hyderabad
c) Kolkatta
d) Mumbai
13. New world is
a) America
b) Britan
c) Finland
d) Siam
14.Which is an orange city in India
a) Nagpur
b) Jaipur
c) Canada
d) Banglore
15. Which of the following is a Dwarf planet
a) Mercury
b) Pluto
c) Jupiter
d) Venus
a) Circar coastal area
b) Konkan coastal area
c) Malabar coastal area
d) Coramandal coastal area
2.The second largest coastal area state is
a) Tamilnadu
b) Goa
c) Andhra Pradesh Odisha
d) Kerala
3.The length of circar coastal area is
a) 1300km
b) 972km
c) 1200km
d) 1500km
4. Malabar coastal area is present in which state
a) Kerala
b) Karnataka
c) Goa
d) Kolkatta
5.The Height of Himalayas is
a) 8000m
b) 8848m
c) 8848km
d) 8000km
6.The total number of coastal areas in west part of India are
a) 4
b) 5
c) 3
d) 6
7.The total number of coastal areas in East part of India are
a) 4
b) 5
c) 3
d) 6
8. The length of Coromandel coastal area is
a) 960km
b) 500km
c) 250km
d) 300km
9. UNO Headquarters is at
a) Japan
b) Newyork
c)Singapore
d) Italy
10. WHO Headquarters is at
a) Geneva
b) Norway
c) Finland
d) Thailand
11. Pink city in India is
a) Nagpur
b) Jaipur
c) Canada
d) Banglore
12. Garden city India is
a) Banglore
b) Hyderabad
c) Kolkatta
d) Mumbai
13. New world is
a) America
b) Britan
c) Finland
d) Siam
14.Which is an orange city in India
a) Nagpur
b) Jaipur
c) Canada
d) Banglore
15. Which of the following is a Dwarf planet
a) Mercury
b) Pluto
c) Jupiter
d) Venus
Important General awareness questions for RRB, SSC exams
1. Study of Space is called Casmology
2. The age of Sun is 4.9 Billion years
3. The age of Earth is 4.6 Billion years
4. The smallest planet in the solar system is Mercury
5. The planet nearest to sun is Mercury
6. The High dense planet is Earth
7. The hottest planet in the solar system is Venus
8. The Brightest planet in the solar system is Venus
9. The only Satellite of Earth is Moon
10. The first man to put leg on the Moon is Nelim Armstrong
11. The largest planet in the solar system is Jupiter
12. The coldest planet in the solar system is Neptune
13. The Twin planets in the solar system are Venus & Earth
14. The total number of planets in the solar system are 8
15. Red planet is Mars
16. Blue planet is Earth
17. High rotation planet is Venus
18.The Least dense planet is Jupiter
19. Which planet is called Morning star -Venus
20. Which planet is called Evening star -Venus
21. The Dwarf planet is Pluto
22. ISRO established in 1969-August-15
23. NASA established in 1958-July-29
24. Which planet is called"Lord of Heavens"-Jupiter
25. According to which theory universe is still expanding- Big Bang Theory
26. The most abundant element in earth is Oxygen
27. The shape of the earth is Oblate Spheroid (or) Geoid
28. Sun age can be calculated by Radio Active method
29. Earth equatorial diameter is 12756 km
30. Earth poles Diameter is 12714 km
31. Sun rays takes how much time to reach earth- 8 Minutes
32. Sea of Tranquility is present in Moon
2. The age of Sun is 4.9 Billion years
3. The age of Earth is 4.6 Billion years
4. The smallest planet in the solar system is Mercury
5. The planet nearest to sun is Mercury
6. The High dense planet is Earth
7. The hottest planet in the solar system is Venus
8. The Brightest planet in the solar system is Venus
9. The only Satellite of Earth is Moon
10. The first man to put leg on the Moon is Nelim Armstrong
11. The largest planet in the solar system is Jupiter
12. The coldest planet in the solar system is Neptune
13. The Twin planets in the solar system are Venus & Earth
14. The total number of planets in the solar system are 8
15. Red planet is Mars
16. Blue planet is Earth
17. High rotation planet is Venus
18.The Least dense planet is Jupiter
19. Which planet is called Morning star -Venus
20. Which planet is called Evening star -Venus
21. The Dwarf planet is Pluto
22. ISRO established in 1969-August-15
23. NASA established in 1958-July-29
24. Which planet is called"Lord of Heavens"-Jupiter
25. According to which theory universe is still expanding- Big Bang Theory
26. The most abundant element in earth is Oxygen
27. The shape of the earth is Oblate Spheroid (or) Geoid
28. Sun age can be calculated by Radio Active method
29. Earth equatorial diameter is 12756 km
30. Earth poles Diameter is 12714 km
31. Sun rays takes how much time to reach earth- 8 Minutes
32. Sea of Tranquility is present in Moon
Important General awareness questions for Railway exams
alp
,
general awareness
,
group
,
rrb
No comments
1. Battle of Waterloo happened in which year
a) 1815
b) 1915
c) 1825
d) 1805
2. Burma Partitioned from India in which year
a) 1937
b) 1945
c) 1927
d) 1930
3. World Literacy day is on
a) Sep 8
b) July 26
c) June 23
d) Oct 9
4. Quit India movement in which year
a) 1945
b) 1942
c) 1946
d) 1940
5. Bombay Blood Group Discovered in which year
a) 1940
b) 1945
c) 1960
d) 1943
6. International Women's day is on
a) March 14
b) March 25
c) Sep 25
d) March 8
7. World No Tobacco Day is on
a) May 15
b) Jan 31
c) May 31
d) June 31
8. World pollution is observed on
a) June 11
b) July 11
c) August 25
d) March 13
9. Children day is observed on
a) Nov 14
b) Nov 9
c) Oct 14
d) June 30
10. Pink Ribbon is related to
a) Career development
b) Cancer awareness
c) Pollution awareness
d) Traffic awareness
11. In India, Brain bank is located at
a) Mysore
b) Noida
c) Kerala
d) Lucknow
12. In India, Stemcell bank is located at
a) Hyderabad
b) Chennai
c) Mumbai
d) Mysore
13. Dengue fever caused by which virus
a) Alfa virus
b) Beta virus
c) Rino virus
d) Varicella Virus
14. What is the majority element in proteins
a) Hydrogen
b) Oxygen
c) Carbon
d) Nitrogen
15. Mohiniattam is a folk dance of which state
a) Assam
b) Kerala
c) Ranchi
d) Tamilnadu
16. The Busiest Natural port in India is
a) Mumbai port
b) Marmagoa port
c) Mangalore port
d) Ennore port
17. The deepest natural port in india is
a) Tamilnadu port
b) Pardeep port
c) Visakhapatnam port
d) Kandla port
18. Malbar port is present in which state
a) Kerala
b) Goa
c) Kolkatta
d) chennai
19.Which of the following is a river-based port
a) Kerala port
b) Haldia port
c) paradeep port
d) Mumbai port
20. The largest artificial port is present in which state
a) Tamilnadu
b) Kolkatta
c) Odisha
d) Gujarat
21.The longest coastal area National highway is
a) NH1
b) NH7
c) NH5
d) NH6
22. The name of NH5 changed to
a) NH 44
b) NH 16
c) NH 65
d) NH 69
23. Which of the following is the artificial port
a) Mumbai port
b) Visakhapatnam port
c) Kandla port
d) Tamilnadu port
24. Sub emerged coastal area is present at which part of India
a) East
b) West
c) North
d) South
25. Emergence Coastal area is present at which part of India
a) East
b) West
c) North
d) South
26. East end point of India is
a) Dilpha
b) Assam
c) Gilbar
d) Ranchi
27. North Endpoint of India is
a) Indira col
b) Silcher
c) Raan of Kutch
d)Allahabad
28. West point of India is
a) Jaipur
b) Gorakhpur
c) Raan of Kutch
d) Pune
29. Indian Standard Time is based on
a) 82.5 North Latitude
b) 82.5 East Longitude
c) 23.5 North Latitude
d) 23.5 East Longitude
30. World oldest mountains are
a) Aaravali mountains
b) Vindhya mountains
c) Satpura mountains
d) Himalayas
31. American space agency is
a) ISRO
b) NASA
c) WHO
d) UNO
32. Indian Space agency is
a) ISRO
b) NASA
c) WHO
d) UNO
33. NASA was established in which year
a) 1958
b) 1966
c) 1946
d)1945
34. NASA stands for
a) National Aeroplane and space agency
b) National Aeronautical and space agency
c) National Aeronautics and space administration
d) National Aerodynamic and space agency
35. ISRO established in which year
a) 1965
b) 1969
c) 1959
d) 1962
a) 1815
b) 1915
c) 1825
d) 1805
2. Burma Partitioned from India in which year
a) 1937
b) 1945
c) 1927
d) 1930
3. World Literacy day is on
a) Sep 8
b) July 26
c) June 23
d) Oct 9
4. Quit India movement in which year
a) 1945
b) 1942
c) 1946
d) 1940
5. Bombay Blood Group Discovered in which year
a) 1940
b) 1945
c) 1960
d) 1943
6. International Women's day is on
a) March 14
b) March 25
c) Sep 25
d) March 8
7. World No Tobacco Day is on
a) May 15
b) Jan 31
c) May 31
d) June 31
8. World pollution is observed on
a) June 11
b) July 11
c) August 25
d) March 13
9. Children day is observed on
a) Nov 14
b) Nov 9
c) Oct 14
d) June 30
10. Pink Ribbon is related to
a) Career development
b) Cancer awareness
c) Pollution awareness
d) Traffic awareness
11. In India, Brain bank is located at
a) Mysore
b) Noida
c) Kerala
d) Lucknow
12. In India, Stemcell bank is located at
a) Hyderabad
b) Chennai
c) Mumbai
d) Mysore
13. Dengue fever caused by which virus
a) Alfa virus
b) Beta virus
c) Rino virus
d) Varicella Virus
14. What is the majority element in proteins
a) Hydrogen
b) Oxygen
c) Carbon
d) Nitrogen
15. Mohiniattam is a folk dance of which state
a) Assam
b) Kerala
c) Ranchi
d) Tamilnadu
16. The Busiest Natural port in India is
a) Mumbai port
b) Marmagoa port
c) Mangalore port
d) Ennore port
17. The deepest natural port in india is
a) Tamilnadu port
b) Pardeep port
c) Visakhapatnam port
d) Kandla port
18. Malbar port is present in which state
a) Kerala
b) Goa
c) Kolkatta
d) chennai
19.Which of the following is a river-based port
a) Kerala port
b) Haldia port
c) paradeep port
d) Mumbai port
20. The largest artificial port is present in which state
a) Tamilnadu
b) Kolkatta
c) Odisha
d) Gujarat
21.The longest coastal area National highway is
a) NH1
b) NH7
c) NH5
d) NH6
22. The name of NH5 changed to
a) NH 44
b) NH 16
c) NH 65
d) NH 69
23. Which of the following is the artificial port
a) Mumbai port
b) Visakhapatnam port
c) Kandla port
d) Tamilnadu port
24. Sub emerged coastal area is present at which part of India
a) East
b) West
c) North
d) South
25. Emergence Coastal area is present at which part of India
a) East
b) West
c) North
d) South
26. East end point of India is
a) Dilpha
b) Assam
c) Gilbar
d) Ranchi
27. North Endpoint of India is
a) Indira col
b) Silcher
c) Raan of Kutch
d)Allahabad
28. West point of India is
a) Jaipur
b) Gorakhpur
c) Raan of Kutch
d) Pune
29. Indian Standard Time is based on
a) 82.5 North Latitude
b) 82.5 East Longitude
c) 23.5 North Latitude
d) 23.5 East Longitude
30. World oldest mountains are
a) Aaravali mountains
b) Vindhya mountains
c) Satpura mountains
d) Himalayas
31. American space agency is
a) ISRO
b) NASA
c) WHO
d) UNO
32. Indian Space agency is
a) ISRO
b) NASA
c) WHO
d) UNO
33. NASA was established in which year
a) 1958
b) 1966
c) 1946
d)1945
34. NASA stands for
a) National Aeroplane and space agency
b) National Aeronautical and space agency
c) National Aeronautics and space administration
d) National Aerodynamic and space agency
35. ISRO established in which year
a) 1965
b) 1969
c) 1959
d) 1962
Important General science question and answers for RRB exams-12/04/2018
1. The juice that presents in human stomach is
a) HCL
b) Gastric juice
c) pepsin
d) Lipase
2. The name of the pipe through which the food enters into the stomach is
a) oesophagus pipe
b) Polymer pipe
c) Stomach pipe
d) Plastic pipe
3. The enzyme that presents in the mouth is
a) Ptyalin
b) pepsin
c) Renin
d)Lipase
4. The weight of human heart is approximately
a) 1300gm
b) 300gm
c) 500gm
d) 600gm
5. The liver produces which of the following juice
a) Gastric juice
b) Bile juice
c) HCL
d) pepsin
6. Bile juice is stored at which place
a) Gallbladder
b) Stomach
c) Brain
d) Lungs
7. The term Autopsy is
a) Type of protein
b) Type of skin disease
c) Type of hormone
d) Post Morton
8. Which of the following organ has both functionalities
a) Liver
b) Mouth
c) Pancrase
d) Stomach
9. The term fourth estate related to
a) Lungs disease
b) Heart disease
c) Kidney
d) Press
10. Which of the following is considered as Master Gland
a) Pituitary gland
b) Thyroid gland
c) Parathyroid gland
d) Gonads
11. Area wise largest organ in the human body is
a) Liver
b) Stomach
c) Skin
d) Lungs
12. The smallest muscle in the human body is
a) Steppes
b) Incus
c) Malicious
d) Stepadious
13. Glutamuscus muscle is present at
a) Buttock
b) Ears
c) Head
d) Cranium
a) HCL
b) Gastric juice
c) pepsin
d) Lipase
2. The name of the pipe through which the food enters into the stomach is
a) oesophagus pipe
b) Polymer pipe
c) Stomach pipe
d) Plastic pipe
3. The enzyme that presents in the mouth is
a) Ptyalin
b) pepsin
c) Renin
d)Lipase
4. The weight of human heart is approximately
a) 1300gm
b) 300gm
c) 500gm
d) 600gm
5. The liver produces which of the following juice
a) Gastric juice
b) Bile juice
c) HCL
d) pepsin
6. Bile juice is stored at which place
a) Gallbladder
b) Stomach
c) Brain
d) Lungs
7. The term Autopsy is
a) Type of protein
b) Type of skin disease
c) Type of hormone
d) Post Morton
8. Which of the following organ has both functionalities
a) Liver
b) Mouth
c) Pancrase
d) Stomach
9. The term fourth estate related to
a) Lungs disease
b) Heart disease
c) Kidney
d) Press
10. Which of the following is considered as Master Gland
a) Pituitary gland
b) Thyroid gland
c) Parathyroid gland
d) Gonads
11. Area wise largest organ in the human body is
a) Liver
b) Stomach
c) Skin
d) Lungs
12. The smallest muscle in the human body is
a) Steppes
b) Incus
c) Malicious
d) Stepadious
13. Glutamuscus muscle is present at
a) Buttock
b) Ears
c) Head
d) Cranium
Basic science questions mostly asked in competitive exams
2. Formation of blood is Homophosis
3. Father of Blood groups is Land steiner
4. World Blood day is June 14
5. Vitmins was discovered by Hopkins
6. The name Vitamins was put fordward by Funk in 1912
7. Study of Lungs is Pulmanology
8. Study of cancer is Onacology
9. Study of joints is Orthology
10. Study of Muscles is Sarcology
11. Study of bones is Osteology
12. Study of blood is Hematology
13. Study of Heart is Cardiology
14. Study of Kidneys is Nephrology
15. Study of skin is Dermatology
16. Bombay Blood group was discovered by Weiner and Lenin
17. Study of Nervous system is Neurology
18. The Ph value of blood is 7.4
19. Study of brain is Phrinalogy
20. Father of Biology is Aristotle
General science questions from topic Nutrition diet
1. Richest Carbohydrate plant food is
a) Tomato
b) Soyabeen
c) potato
d) cabbage
2. Richest carbohydrate grain is
a) bread
b) maize
c) wheat
d) rice
3.Which of the following is not present in carbohydrates
a) Carbon
b) Nitrogen
c) Hydrogen
d) oxygen
4. Fats are soluble in
a) Milk
b) Petrol
c) paint
d) water
5. Fats give how much percentage of energy to the human body
a) 12%
b) 50%
c) 75%
d) 60%
6. Carbohydrates give how much percentage of energy to the human body
a) 20%
b) 40%
c) 90%
d) 50%
7. Sucrose is a combination of
a) Glucose + Glucose
b) Glucose + Fractose
c) Fractose+ Galactose
d) Glucose + Glycogen
8. Malt sugars are used in which of the following
a) Alcohol
b) Milk
c) Fruit Juices
d) Honey Dates
9. Spirulina relates to which of the following
a) Fats
b) Proteins
c) Type of fish
d) Type of oil
10. Which of the following is richest protein plant food
a) Soybeans
b) Fresh Tomato
c) Mango
d) Cabbage
11. Which of the following is protein deficiency disease
a) Night blindness
b) Marasmus
c) Beri-Beri
d) SARS
12. The deficiency disease if Iron is
a) Beri-Beri
b) Anaemia
c) marasmus
d) Dermatosis
13. Which of the following is water-soluble Vitamin
a) Vitamin A
b) Vitamin D
c) Vitamin K
d) Vitamin C
14. Which of the following is not a fat-soluble Vitamin
a) Vitamin A
b) Vitamin D
c) Vitamin E
d) Vitamin B
15. Which of the following is the deficiency disease of Calcium
a) Rickets
b) Pneumonia
c) Pellagra
d) cataract
16. The enzyme that found in milk is
a) Renin
b) Casein
c) Lipase
d) Heam
17. Haemoglobin is the combination of
a) Iron+ Calcium
b) Iron + Protein
c) Iron+ Vitamin A
d) Iron+ Vitamin C
18.The scientific name of Vitamin C is
a) Ascorbic acid
b) Phylloquinone
c) Toko pherol
d) Thiamine
19. The scientific name of Vitamin D is
a) Niacin
b) Calcipherol
c) Folic acid
d) Peridioxin
20. The deficiency of which of the following vitamin leads to Genetic Disorder
a) Vitamin A
b) Vitamin B
c) Vitamin K
d) Vitamin C
Important General science question and answers for RRB exams-11-APRIL-2018
a) Mouth
b) Stomach
c) Liver
d) Pancrase
2. The vitamin that doesn't found in milk is
a) Vitamin A
b) Vitamin B9
c) Vitamin C
d) Vitamin K
3. Which of the following is considered as the king of the Gland
a) Pituitary
b) Thyroid
c) Adrenal
d) Para Thyroid
4.The total number of teeth in children are
a) 32
b) 20
c) 22
d) 24
5. The protein that found in eggs is
a) Casein
b) Albumin
c) Venom
d) Keratine
6. Enzymes are responsible for
a) Digestive system
b) Blood purification
c) Metabolic functions
d) Blood pumping
7. Bile juice is stored in
a) Gallbladder
b) Stomach
c) Lungs
d) Kidneys
8. The only animal that doesn't take water from birth to death is
a) Silverfish
b) Tortoise
c) Elephant
d) Rabbit
9. The Scientific name of Vitamin B1 is
a) Retinal
b) Thiamine
c) Ascorbic acid
d) Niacin
10. Hormones are responsible for
a) Metabolic functions
b) Digestive system
c) Blood pumping
d) Blood purification
11. Mouth consists of how many numbers of saliva glands
a) 3 pairs
b) 2 pairs
c) 4 pairs
d) 10 pairs
12. The longest living animal on the earth surface is
a) Crocodile
b) Tortoise
c) Dolphin
d) Rabbit
13. The lifetime of white blood cells are
a) 45 days
b) 30 days
c) 100 days
d) 10 days
14. Which of the following is parliament enacted mineral
a) Iron
b) Calcium
c) Iodine
d) Zinc
15.Which of the following mineral is responsible for Day vision and Night vision
a) Zinc
b) Calcium
c) Sodium
d) Fluorine
16. Milk consists of which of the following minerals
a) Iron and Calcium
b) Iron and Zinc
c) Calcium and phosphorous
d) only Iron
17. The protein that presents in Plasma is
a) Globulin
b) Casein
c) Albumin
d) Haemoglobin
18. The protein that presents in Blood s
a) Globulin
b) Haemoglobin
c) Albumin
d) Casein
19. Hing joints are present at which part of the human body
a) Hands & Legs
b) Shoulders
c) Spinal chord
d) Neck
20.The Total muscles present in the Human body are
a) 639
b) 500
c) 535
d) 206
Important General science questions for RRB exams-10-APRIL-2018
1. National Institute of Nutrition is located at
a) Pune
b) Cochin
c) Hyderabad
d) Assam
2. Palm oil is in yellow color , because of the presence of which Vitamin
a) Vitamin A
b) Vitamin B2
c) Vitamin K
d) Vitamin B9
3.Which Vitamin is present in Sugarcane Juice
a) Vitamin A
b) Vitamin B1
c) Vitamin B2
d) Vitamin B12
4.The sweetest substance of the earth surface is
a) Glucose
b) Fractose
c) Sugar
d) Glycogen
5.Excess Glucose in the Human body is stored at which place
a) Liver
b) Skin
c) Lungs
d) Stomach
6. Excess fat in the human body is stored at which place
a) Adipose
b) Liver
c) Stomach
d) Pancrese
7. Which material is used in paper industries
a) Starch
b) Celluose
c) Glycogen
d)Glucose
8. Which of the following Vitamin is used for Blood cloating
a) Vitamin A
b) Vitamin c
c) Vitamin K
d) Vitamin B3
9. In India which blood group people are more
a) A
b) B
c) AB
d) O
10. PIVOT joint is present in which place of the Human body
a) Neck
b) Hands
c) Legs
d) Knee
11.The only bone which does not change its structure from birth to death is
a) Neck bone
b) Femur
c) Tibia
d) Stepes
12.The strongest bone in the Human body is
a) Femur
b) Tibia
c) Ribs
d) Neck bone
13.The longest bone in the Human body is
a) Femur
b) Tibia
c) Incus
d) castus
14. Gliding joints is present in which part of the human body
a) Spinal chord
b) Neck
c) shoulders
d) Hands
15.The Ph value of saliva is
a) 4.8
b) 10.2
c) 1.2
d) 8.3
16.The protein that present in milk is
a) Cassein
b) Renin
c) Albumin
d) Keratine
17.The life time of Red Blood cells is
a) 120 days
b) 130 days
c) 132 days
d) 140 days
18.Which of the following mineral is used for Blood clotting
a) Iron
b) Calcium
c) Sodium
d) Zinc
19.Which of the following mineral is used for the Transmission of Nerve Impulse
a) Sodium
b) potasium
c) Iodine
d) Fluoring
20. World wide which of the following country is first in Milk and Milk products
a) India
b) Japan
c) USA
d) Canada
21.The weight of the Human brain is
a) 1200gm
b) 1350gm
c) 1500gm
d) 1000gm
22.The weight of Human Liver is
a) 1100gm
b) 1500gm
c) 1250gm
d) 1300gm
23.The scientific name of Vitamin A is
a) Retinal
b) Beri-Beri
c) Niacin
d) Iron
24.Which Vitamin can easily exposes to sun rays while cooking,boiling etc..
a) Vitamin C
b) Vitamin B2
c) Vitamin K
d) Vitamin A
25.Which of the following is free natured vitamin
a) Vitamin A
b) Vitamin C
c) Vitamin D
d) Vitamin K
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