General Knowledge Question and Answer for Postal Exams

General Knowledge for Postal Exams

General Science- Biology Questions with Answers

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1. Charles Darwin toured in a ship for five years. It was

A. the Beagle
B. the Titanic
C. the Alexander
D. the Columbus

A. the Beagle

2. Mitochondria are centers of

A. respiration
B. fat synthesis
C. protein synthesis
D. starch synthesis

A. respiration

3. An angstrom is equal to

A. 10^-7
B. 10^-8
C. 10^-9
D. 10^-10

D. 10-10

4. The scientist who gave the concept of spontaneous generation was

A. Robert Koch
B. Francesco Redi
C. Charles Darwin
D. Jean Baptiste Lamarck

B. Francesco Redi

5. The building blocks of nucleic acid are

A. nucleosides
B. amino acids
C. nucleotides
D. nucleo-proteins

C. nucleotides

6. The similarity between RNA and DNA is that both

A. are polymers of nucleotides
B. have similar sugars
C. are double stranded
D. have similar primidines

A. are polymers of nucleotides

7. The scientist known for using x-rays to cause mutation is

A. H.J.Muller
B. D.E.Moore
C. Gregor Mendel
D. T.H.Morgan

A. H.J.Muller

8. The inorganic catalyst attached to enzymes is called

A. activator
B. inhibitor
C. lysozyme
D. apoenzyme

A. activator

9. The cell wall of plants is made of cellulose. This is a

A. polysaccharide
B. protein
C. lipid
D. amino acid

A. polysaccharide

10. The theory of inheritance of acquired character was propounded by

A. Jean Baptiste Lamarck
B. Charles Darwin
C. Gregor Mendel
D. Wallace

A. Jean Baptiste Lamarck

11. Wound healing is enhanced by vitamin

A. A
B. B₁
C. C
D. D

B. B1

12. Ascorbic acid is

A. Vitamin A
B. Vitamin B
C. Vitamin C
D. Vitamin D

C. Vitamin C

13. The quick energy we get is stored in the form of

A. glucose
B. glycogen
C. ADP
D. ATP

D. ATP

14. Which one of the following is a fat-soluble vitamin ?

A. biotin
B. niacin
C. calciferol
D. ascorbic acid

C. calciferol

15. The vitamin which is generally excreted in urine by human is

A. Vitamin A
B. Vitamin C
C. Vitamin K
D. none of the above

B. Vitamin C