NDA Exam I 2016 – 17th April 2016
(Science)
1. Which vitamin is called ascorbic acid?
A. B12
B. C
C. B9
D. A
Ans: B
2. Those animals which eat only other animals are called:
A. Omnivore
B. Carnivore
C. Decomposer
D. Herbivore
Ans: B
3. Which of the following act as cleansing agents of environment?
A. Consumers
B. Decomposers
C. Producers
D. Farmers
Ans: B
4. Who discovered the law of the photoelectric effect?
A. Isaac Newton
B. Albert Einstein
C. Nils Bohr
D. Ernest Rutherford
Ans: B
5. Who created the polio vaccine?
A. David Baltimore
B. E.O. Wilson
C. Alfred Kinsey
D. Dr. Jonas Salk
Ans: D
6. Which of the following is a bacterial disease of crop plant?
A. Blight of rice
B. Powdery mildew
C. Wilt of cotton
D. Coffee rust
Ans: A
7. Which of the following is the heaviest metal?
A. osmium
B. mercury
C. iron
D. nickel
Ans: B
8. Which of the following is used for clean oxidation?
A. Supercritical carbon dioxide
B. Supercritical hydrogen
C. Aqueous hydrogen peroxide
D. All of these
Ans: C
9. Green solvents are derived from ______.
A. Renewable resources
B. Carbon resources
C. Non-renewable resources
D. All of these
Ans: A
10. Eating tobacco and throwing on the road can produce______pollutant.
A. Air
B. Soil
C. Noise
D. Water
Ans: B
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