GENERAL SCIENCE #43
MULTIPLE CHOICE QUESTIONS
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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