General Science #50 Multiple Choice Questions (MCQ) : Assam Jobs Guide

GENERAL SCIENCE #50

MULTIPLE CHOICE QUESTIONS

1. Which of the following is the main circulatory fluid in our body ?

(a) Plasma

(b) Lymph

(c) Blood

(d) None of the above

Answer: (c)

2. Which one of the following contains haemoglobin?

(a) RBC

(b) WBC

(c) Platelets

(d) None of the above

Answer: (a)

3. What is the function of WBCs?

(a) Transport of oxygen

(b) Fight against germs

(c) Involved in blood clotting

(d) All of the above

Answer: (b)

4. Blood platelets help in …………

(a) formation of urine

(b) excretion of urine

(c) sweating

(d) blood clotting

Answer: (d)

5. What is called the muscular tube through which stored urine is passed out of the body?

(a) Kidney

(b) Ureter

(c) Urethra

(d) Urinary bladder

Answer: (c)

6. They are pipe-like, consisting of a group of specialised cells. They transport substances and form a two-way traffic in plants. Which of the following terms qualify for the features mentioned above?

(a) Xylem tissue

(b) Vascular tissue

(c) Root hairs

(d) Phloem tissue

Answer: (d)

7. The absorption of nutrients and exchange of respiratory gases between blood and tissues takes place in which of the following?

(a) Veins

(b) Arteries

(c) Heart

(d) Capillaries

Answer: (d)

8. In which of the following parts of human body are sweat glands absent?

(a) Scalp

(b) Armpits

(c) Lips

(d) Palms

Answer: (c)

9. In a tall tree, which force is responsible for pulling water and minerals from the soil?

(a) Gravitational force

(b) Transportation force

(c) Suction force

(d) Conduction force

Answer: (c)

10. Aquatic animals like fish excrete their wastes in gaseous form as which of the following?

(a) Oxygen

(b) Hydrogen

(c) Ammonia

(d) Nitrogen

Answer: (c)

11. Vegetative propagation in potato takes place by …………

(a) leaves

(b) stem

(c) root

(d) seed

Answer: (b)

12. In which of the following plants buds are present on the margins of leaves?

(a) Bryophyllum

(b) Touch me not

(c) Chandan

(d) Coriander

Answer: (a)

13. In yeasts reproduction occurs by which of the following?

(a) Fragmentation

(b) Binary fission

(c) Budding

(d) Spore formation

Answer: (c)

14. Which of the following parts of a plant take part in sexual reproduction?

(i) Flower

(ii) Seed

(iii) Fruit

(iv) Branch

Choose the correct answer from below:

(a) (i) and (ii)

(b) (i), (ii) and (iii)

(c) (iii) and (iv)

(d) (ii), (iii) and (iv)

Answer: (b)

15. Sunita observed that a pond with clear water was covered up with a green algae within a week. By which method of reproduction did the algae spread so rapidly?

(a) Budding

(b) Sexual reproduction

(c) Fragmentation

(d) Pollination

Answer: (c)

16. Seeds of drumstick and maple are carried to long distances by wind because they possess …………

(a) winged seeds

(b) large and hairy seeds

(c) long and ridged fruits

(d) spiny seeds

Answer: (a)

17. The ‘eye of the potato plant’ is what …………

(a) the root is to any plant

(b) the bud is to a flower

(c) the bud is to Bryophyllum leaf

(d) the anther is to stamen

Answer: (c)

18. The ovaries of different flowers may contain …………

(a) only one ovule

(b) many ovules

(c) one to many ovules

(d) only two ovules

Answer: (c)

19. Which of the following statements is/are true for sexual reproduction in plants?

(i) Plants are obtained from seeds

(ii) Two plants are always essential

(iii) Fertilisation can occur only after pollination

(iv) Only insects are agents of pollination

Choose from the options given below:

(a) (i) and (ii)

(b) (i) only

(c) (i) and (ii)

(d) (i) and (iv)

Answer: (a)

20. Pollination refers to the …………

(a) transfer of pollen from anther to ovary

(b) transfer of male gametes from anther to stigma

(c) transfer of pollen from anther to stigma

(d) transfer of pollen from anther to ovule

Answer: (c)