Important biology questions for NDA, CDS, AFCAT for exam preparation

DOON DEFENCE DREAMERS we will give you some of the important biology questions for NDA, CDS, AFCAT for exam preparation which will make your preparation a little easy.

1. Which one of the following is an enzyme?

1. Glucagon
2. Insulin
3. Somatotropin
4. Trypsin

Answer:  Trypsin

2. Which vitamin is provided by sunlight to the body?

1. Vitamin A
2. Vitamin B
3. Vitamin C
4. Vitamin D

Answer:  Vitamin D
3. The deficiency of which of the following leads to dental caries?

1. Iron
2. Copper
3. Fluorine
4. Zinc

Answer:  Fluorine

4. Healing of wounds is hastened by vitamin

1. A
2. E
3. C
4. K

Answer: C

5. Which diseases are caused by a mad dog bites?

1. Hydrocele
2. Hydrophobia
3. Hydroperitoneum
4. Hydrocephalus

Answer: Hydrophobia

6. Which vegetable protein is considered as equal to an animal protein?

1. Soybean protein
2. Wheat protein
3. corn protein
4. Bengal gram protein

Answer: Soyabean protein

7. Carotene in Indian cow’s milk causes

1. Creamish white color
2. yellow color
3. deep yellow color
4. no change

Answer: yellow color

8. A woman weighing 45 kg working involves a lot of physical activity needs

1. 25000 calories per day
2. 3000 calories per day
3. 2800 calories per day
4. 3700 calories per day

Answer: 3000 calories per day

9. Foot and mouth disease is found in

1. Cats and dogs
2. Cattle
3. Poultry
4. Humans

Answer: Cattle

10. Which one of the following is a primate?

1. Bear
2. Otter
3. Loris
4. Pangolin

Answer: C.  Loris

11. To which types of organisms do mushrooms belong?

1. Ferns
2. Algae
3. Fungi
4. Lichens

Answer: Fungi

12. wrapped Food in newspapers is most likely to get contaminated by

1. Lead
2. Iron
3. Aluminum
4. Magnesium

Answer: Lead

13. Which one produces no flowers but only seeds?

1. Coffee
2. Cashew nut
3. Groundnut
4. Pine

Answer: Groundnut

14. Which one of the following plants is used for green manuring in India?

1. Wheat
2. Shemp
3. Cotton
4. Rice

Answer: Sunhemp

15. The food which provides protein nearest to that of meat is

1. butter and Bread
2. groundnuts, dal, and Wheat
3. Sprouted gram and groundnuts
4. Groundnuts and jaggery

Answer: Sprouted gram and groundnuts

16. Which one of the following diseases is Inheritable?

1. Leukemia
2. Colour blindness
3. Malignancy
4. Hepatitis

Answer: Colour blindness

17. Which one of the following elements is present in all proteins? 1. Carbon 2. Hydrogen 3. Oxygen 4. Nitrogen

1. 2 and 3
2. 1,2 and 4
3. 1,3 and 4
4. 1,2,3 and 4

Answer: D.  1,2,3 and 4

18. For which one among the following diseases no vaccine is yet available?

1. Tetanus
2. Malaria
3. Measles
4. Mumps

Answer: B.  Malaria

19. Which of the following vitamins is synthesized in the body by intestinal bacteria?

1. vitamin B1
2. vitamin B4
3. vitamin D
4. vitamin K

Answer: D.  vitamin K

20. BCG vaccination (Bacillus Calmette Guerin) is injected to get immunity from

1. Polio
2. Cholera
3. Smallpox
4. Tuberculosis

Answer: D.  Tuberculosis

Above questions are certainly going to provide you a better knowledge of biology questions for competitive exams for more questions click here – 20 biology questions