Biology (GK) solved MCQs

1 of 68

1. The animal which uses sounds as its ‘eyes’ is -

a. Dog

B. Cat

c. Snake

d. Bat

2. The Vitamin which helps in clotting of blood is :

a. A

B. D

c. B

d. K

3. At very high altitude, the Red Blood Corpuscles in the human body will :

a. increase in size

B. decrease in size

c. increase in number

d. decrease in number

4. What are the blood corpuscles that help to build up resistance against diseases?

a. Leucocytes

B. Monocytes

c. Neutrophils

d. Lymphoctyes

5. Which is the gland that holds the body's thermostat?

a. Pineal

B. Pituitary

c. Thyroid

d. Hypothalamus

6. Pathogenic bacteria secrete -

a. Antigens

B. Antibodies

c. Hormones

d. Interferons

7. Our bones, and teeth are generally made of

a. Tricalcium phosphate

B. Fluoropetite

c. Chloropetite

d. Hydrolith

8. Angora wool is extracted from —

a. Rabbit

B. Sheep

c. Fox

d. Goat

9. Which wood will become useless soon after exposing in the open air -

a. Soft wood.

B. Fibrous wood

c. Wet wood

d. Hard wood

10. Which among the following is a large spectrum Antibiotic?

a. Paracetamol

B. Pencillin

c. Ampicillin

d. Chlormphenicol

11. Which of the following diseases is caused by a virus?

a. Polimyletis

B. Malaria

c. Whooping cough

d. Ring worm

12. Which of the following is known as Vitamin B1?

a. Retinol

B. Thiamin

c. Riboflavin

d. Ascorbic Acid

13. Which of the following hormone is released in excess quantity during excitement?

a. Cortisone

B. Serotonin

c. Adrenaline

d. Oestrogen

14. Clove, the commonly-used spice, is obtained from the

a. Fruit

B. Stem

c. Root

d. Flower bud

15. Which one of the following is an abnormal constituent of urine?

a. Creatinine

B. Urea

c. Uric acid

d. Ketone bodies

16. Which one of the following cells produces antibodies?

a. Eosinophil

B. Monocyte

c. Basophil

d. Lymphocytes

17. Which of the following is known an body builder?

a. Protein

B. Carbohydrates

c. Vitamins

d. Fats

18. Which of the following tests helps in diagnosis of cancer?

a. Urine test

B. Blood test

c. Biopsy

d. X-Ray

19. Chromosomes are made up of

a. DNA

B. Protein

c. DNA and Protein

d. RNA

20. Toxicology is related to the study of

a. viruses

B. bacteria

c. diseases

d. poisons

21. Which of the following hormones is released in excess quantity during excitement’?

a. Cortisone

B. Serotonin

c. Adrenaline

d. Oestrogen

22. In human body, Vitamin A is stored in the

a. liver

B. skin

c. lung

d. kidney

23. Cow milk is a rich source of –

a. Vitamin A

B. Vitamin B1

c. Vitamin C

d. Vitamin D

24. Which one of the following glands produces the growth hormone (somatotrophin)?

a. Adrenal

B. Pancreas

c. Pituitary

d. Thyroid

25. Which of the following is a skin disease?

a. Rickets

B. Osteomalacia

c. Anaemia

d. Pellagra

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