Solved MCQs for Genetics and Biology.

1.Physical basis of living is— 
(A) Cell
(B) Protoplasm
(C) Nucleus (D) Protein
Ans. (B)

2. How many bones are there in a human body? (A) 206
(B) 205
(C) 150
(D) 300
Ans. (A)

3. Which of the following is a flightless bird? (A) Peacock
(B) Duck
(C) Emu
(D) Swan
Ans. (C)

4. Which of the following is the best source of vitamin „A‟ ? (A) Apple
(C) Honey
(B) Carrot
(D) Peanut
Ans. (B)

5. The genetic unit of a cell is— (A) Chromosome
(B) Ribonucleic acid
(C) Lisosome
(D) Genes Ans. (D)

6. Who is called the Father of Genetics‟ ? (A) Fleming
(C) Lemark
(B) Darwin
(D) Mendal
Ans. (D)

7. House fly spreads— (A) Filaria
(B) Jaundice
(C) Cholera
(D) T.B.
Ans. (C)

8. Number of eyes in Leech is— (A) One pair
(B) Two pairs
(C) Three pairs
(D) Five pairs
Ans. (D)

9. The number of segments in leech is—
 (A) 26
(B) 33
(C) 36
(D) 40
Ans. (B)

10. To make half a kilogram of honey, the nectar from how many flowers is collected by the honey bees?
(A) 10 lakhs 
(B) 20 lakhs 
(C) One thousand
(D) 5 thousands 
Ans. (A)

11. Which of the following is a rich source of protein? (A) Wheat
(B) Rice
(C) Gram
(D) Soya bean
Ans. (D)

12. Vitamin soluble in water is— (A) Vitamin A
(B) Vitamin C
(C) Vitamin D
(D) Vitamin K
Ans. (B)

13. All Genes are made up of— (A) Ribonucleic Acid
(B) Deoxyribonucleic Acid
(C) Nucleic Acids
(D) Amino Acids
Ans. (B)

14. In the following plants in which a part of leaf gives rise to a new plant? (A) Rose
(B) Mango
(C) Bryophylum
(D) Banana
Ans. (C)

15. is called the Power house‟ of cell— (A) Mitochondria
(B) Lisosome
(C) Ribosome
(D) Golgi Body
Ans. (A)

16. Which would do maximum harm to a tree? (A) The loss of its bark
(B) The loss of half of its leave.
(C) The loss of all its leaves
(D) The loss of half of its branches
Ans. (C)

17. Which of the following is not a fish? (A) Hippocampus
(B) Eel
(C) Shark
(D) Whale
Ans. (D)

18. Which is an edible fungus? (A) Penicillium
(B) Rhizopus
(C) Mucor
(D) Agaricus
Ans. (D)

19. Agar-agar is obtained from— (A) Fungus
(B) Gymnosperm
(C) Pteridophyte
(D) An algae
Ans. (D)

20. „Little leaf disease‟ develops due to deficiency of— (A) Copper
(B) Sodium
(C) Zinc
(D) Molybdenum
Ans. (C)

21. RNA is found in— (A) Animal cell
(B) Plant cell
(C) Virus
(D) All of the above Ans. (D)

22. Mitochondrial membrane is a double layered structure composed of— (A) Lipids and proteins
(B) Lipids and carbohydrates
(C) Proteins and carbohydrates
(D) Proteins and Ribonucleic acid
Ans. (A)

23. In Leech, the male and female genital apertures are located respectively in the— (A) 7th and 8th segment
(B) 10th and 11th segment
(C) 13th and 14th segment
(D) 18th and 21st segment
Ans. (B)

24. Dental formula of Rabbit is— (A) 2, 0, 3, 3/1, 0, 2, 3
(B) 1, 0, 2, 3/2, 2, 0, 3
(C) 1, 0, 3, 3/2, 2, 0, 3
(D) 2, 1, 3, 2/2, 1, 2, 3
Ans. (A)

25. The gestation period of rabbit is— (A) 20—25 days
(B) 25—28 days
(C) 28—32 days
(D) 32—38 days
Ans. (C)