Most asked biology questions for competitive exams

When preparing for competitive exams one must learn every subject thoroughly and Biology is one of the most important subjects and the following are some Most asked biology questions for competitive exams you should look at.

1. Healing of wounds is hastened by vitamin?

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

Answer: Option 1

2. Carotene in Indian cow’s milk causes?

1. deep yellow colour
2. Creamish white colour
3. white colour
4. yellow colour

Answer: Option 4

3. Which is responsible for the process of cell division?

1. mitosis
2. heterosis
3. fusion
4. fission

Answer: Option 1

4. Most highly intelligent mammals are:

1. elephants
2. whales
3. dolphins
4. kangaroos

Answer: Option 3

5. Milk is a poor source of

1. Calcium
2. Iron
3. Copper
4. Sodium

Answer: Option 2

6. Photosynthesis takes place faster in?

1. yellow light
2. red light
3. darkness
4. white light

Answer: Option 4

7. Plants that grow in saline water are known as:

1. hydrophytes
2. thallophytes
3. halophytes
4. mesophytes

Answer: Option 3

8. Breeding and management of bees is known as:

1. Sericulture
2. Apiculture
3. Silviculture
4. Pisciculture

Answer: Option 2

9. Pyorrhoea is a disease of the

1. nose
2. gums
3. heart
4. lungs

Answer: Option 2

10. Placenta is the structure formed:

1. by fusion of germ layers
2. by foetus only
3. by the union of foetal and uterine tissue
4. by uterine only

Answer: Option 3

11. Who is known as the father of Genetics?

1. Morgan
2. Henry
3. J. Mandel
4. B. Morrison

Answer: Option 3

12. Rafflesia is the biggest flower in the world?

1. TRUE
2. FALSE

Answer: Option 1

13. Normal human blood is :

1. Neutral
2. Acidic
3. Alkaline
4. None of above

Answer: Option 3

14. Phloem tissue is found in?

1. Plants
2. Insects
3. Mammals
4. All of above

Answer: Option 1

15. Myopia is connected with?

1. ears
2. lungs
3. eyes
4. None of these

Answer: Option 3

16. The most abundant constituent of atmospheric air is?

1. Oxygen
2. Hydrogen
3. Carbon
4. Nitrogen

Answer: Option 4

17. Study of internal structure of organism is called :

1. Agrostology
2. Agronomy
3. Anatomy
4. Agrology

Answer: Option 3

18. What is Anthology?

1. Study of flower and flowering plant.
2. Study of blood vascular system.
3. Study of the male reproductive organ.
4. Study of Bryophytes

Answer: Option 1

19. Study of cell is :

1. Biometrics
2. Bacteriology
3. Cryobiology
4. Cytology

Answer: Option 4

20. What is study of heart ?

1. Ecology
2. Dermatology
3. Cardiology
4. Demography

Answer: Option 3