General Science #43 Multiple Choice Questions (MCQ) : Assam Jobs Guide

GENERAL SCIENCE #43

MULTIPLE CHOICE QUESTIONS

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

1. Which of the following is a nutrient?

(a) Protein

(b) Fat

(c) Vitamin

(d) All of the above 

Answer: (d)

2. Human beings can be categorised as ……………

(a) heterotrophs

(b) autotrophs

(c) parasites

(d) saprotrophs        

Answer: (a)

3. What is called the food making process in plants?

(a) Glycolysis

(b) Photosynthesis

(c) Photolysis

(d) Chemosynthesis           

Answer: (b)

4. Which part of the plant is called its food factory?

(a) Fruits

(b) Seeds

(c) Leaves

(d) Flowers   

Answer: (c)

5. What are called the tiny pores present on the surface of leaves through which gaseous exchange occurs?

(a) Stomata

(b) Guard cells

(c) Food holes

(d) Gas holes           

Answer: (a)

6. What is the ultimate source of energy for all living organisms?

(a) Water energy

(b) Wind energy

(c) Solar energy

(d) Chemical energy           

Answer: (c)

7. What is called the green pigment present in the leaves?

(a) Haemoglobin

(b) Globulin

(c) Albumin

(d) Chlorophyll        

Answer: (d)

8. During photosynthesis plants ……………

(a) take oxygen and release carbon dioxide

(b) take carbon dioxide and release oxygen

(c) take carbon dioxide but do not release oxygen

(d) take oxygen but do not release carbon dioxide       

Answer: (b)

9. During photosynthesis ……………

(а) solar energy is converted into chemical energy

(b) solar energy is converted into mechanical energy

(c) chemical energy is converted into mechanical energy

(d) bioenergy is converted into chemical energy          

Answer: (a)

10. The raw materials for photosynthesis are ……………

(а) CO2

(b) CO2, O2, H2

(c) N2 water

(d) O2 water  

Answer: (a)

11. What are the end products of photosynthesis?

(a) Carbohydrates, oxygen

(b) Carbohydrates, hydrogen

(c) Carbohydrates, water vapours

(d) Carbohydrates, oxygen and water vapours 

Answer: (a)

12. Which one of the following is a parasite?

(a) Lichen

(b) Cuscuta

(c) Pitcher plant

(d) Rhizobium          

Answer: (b)

13. Which of the following class of organisms belongs to saprotrophs?

(a) Fungi

(b) Algae

(c) Lichens

(d) Bryophytes         

Answer: (a)

14. Which one of the following is a pair of symbiotic organisms?

(a) Lichens

(b) Rhizobium and a legume

(c) None of the above

(d) Both ‘a’ and ‘b’

Answer: (d)

15. Which of the following is an insectivorous plant?

(a) Pitcher plant

(b) Indian telegraph plant

(c) 4 ‘O’clock plant

(d) Cuscuta  

Answer: (a)

16. ……………energy is stored by the leaves with the help of chlorophyll.

(a) Solar

(b) Sound

(c) Wind

(d) Water

Answer: (a)

17. What are called the components that are necessary for our body?

(a) Vitamins

(b) Pulses

(c) Nutrients

(d) Minerals

Answer: (c)

18. Pitcher is an example of which of the following?

(a) Insectivorous plant

(b) Leguminous plant

(c) Algae

(d) Fungi

Answer: (a)

19. Which of the following gas is released by the plants in the process of photosynthesis?

(a) Oxygen

(b) Carbon dioxide

(c) Nitrogen

(d) Hydrogen

Answer: (a)

20. Green colour of the plant is due to the presence of ……………

(a) oxygen

(b) carbon dioxide

(c) nitrogen

(d) chlorophyll

Answer: (d)

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