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- 1. Multiple Choice
1. The term that is used for the mode of nutrition in yeast, mushroom and bread-mould is
(a) autotrophic
(b) insectivorous
(c) saprophytic
(d) parasitic
- 2. Multiple Choice
Organisms which prepare food for themselves using simple naturally available raw materials are referred to as
(a) heterotrophs
(b) autotrophs
(c) parasites
(d) saprophytes
- 3. Multiple Choice
When we observe the lower surface of a leaf through a magnifying lens we see numerous small openings. Which of the following is the term given to such openings?
(a) Stomata
(b) Lamina
(c) Midrib
(d) Veins
- 4. Multiple Choice
In the absence of which of the following will photosynthesis not occur in leaves?
(a) Guard cells
(b) Chlorophyll
(c) Vacuole
(d) Space between cells
- 5. Multiple Choice
Two organisms are good friends and live together. One provides shelter, water, and nutrients while the other prepares and provides food. Such an association of organisms is termed as
(a) saprophyte
(b) parasite
(c) autotroph
(d) symbiosis
- 6. Multiple Choice
Which of the following statements is/are correct?
(i) All green plants can prepare their own food.
(ii) Most animals are autotrophs.
(iii) Carbon dioxide is not required for photosynthesis.
(iv) Oxygen is liberated during photosynthesis.
Choose the correct answer from the options below:
(a) (i) and (iv)
(b) (ii) only
(c) (ii) and (iii)
(d) (i) and (ii)
- 7. Multiple Choice
Which of the following raw material is available in the air for photosynthesis?
(a) Oxygen
(b) Carbon dioxide
(c) Nitrogen
(d) Hydrogen
- 8. Multiple Choice
Pitcher plant traps insects because it
(a) is a heterotroph.
(b) grows in soils which lack in nitrogen.
(c) does not have chlorophyll.
(d) has a digestive system like human beings.
- 9. Multiple Choice
cuscuta is a example of
(a) autotroph
(b) parasite
(c) saprotroph
(d) host
- 10. Multiple Choice
The plant which traps and feeds on insects is :
(a) cuscuta
(b) china rose
(c) pitcher plant
(d) rose
- 11. Multiple Choice
Oxygen liberated during photosynthesis come from ………………
(a) Water
(b) Carbon dioxide
(c) Glucose
(d) ChlorophyII
- 12. Multiple Choice
Which of the following is not required for photosynthesis?
(a) Sunlight
(b) Oxygen
(c) Water
(d) Carbon dioxid
- 13. Multiple Choice
The mode of nutrition in a green plant is ………………
(a) Heterotrophic
(b) Saprophytic
(c) Autotrophic
(d) Holozoic
- 14. Multiple Choice
Which of the following describes the characteristic of a living being?
(a) Nutrition
(b) Excretion
(c) Respiration
(d) All the above
- 15. Multiple Choice
The main function of a leaf is:
(a) To prepare food
(b) To prevent disease
(c) To support the plant
(d) To give a proper shape
- 16. Multiple Choice
The tiny pores present in the leaves of the plants for exchange of gases are
called _____
(a) Stomata
(b) Tracheae
(c) Chloroplast
(d) Spiracles
- 17. Multiple Choice
Rhizobium is an example of
(a) Symbiosis
(b) Parasites
(c) Insectivorous
(d) none of these
- 18. Multiple Choice
Which part of the plant gets carbon dioxide from the air for photosynthesis?
(a) root hair
(b) stomata
(c) leaf veins
(d) sepals
- 19. Multiple Choice
Iodine used to detect presence of starch. It gives starch
(a) red colour
(b) green colour
(c) blue-black colour
(d) colourless appearance
- 20. Multiple Choice
Which of the following statements is NOT true?
(a) Heterotrophs cannot prepare their own food.
(b) Dodder is an example of parasite.
(c) Saprophytes are green.
(d) Pulses and Beans are legumes.
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