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- 1. Multiple Choice
Organisms which prepare food for themselves using simple naturally available raw materials are referred to as
heterotrophs
autotrophs
parasites
saprophytes
- 2. Multiple Choice
In the absence of which of the following will photosynthesis not occur in leaves?
vacuole
stomata
chlorophyll
cytoplasm
- 3. Fill in the Blank
Pitcher plant traps insects because it grows in soils which lack in ---------
- 4. 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:
( i) and (iv)
(ii) only
(ii) and (iii)
(i) and (ii)
- 5. Multiple Choice
The term that is used for the mode of nutrition in yeast, mushroom and bread-mould is
autotrophic
parasitic
saprophytic
symbiotic
- 6. Multiple Choice
insectivorous plant is
- 7. 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?
stomata
midrib
vein
lamina
- 8. Multiple Choice
Which of the following raw material is available in the air for photosynthesis?
oxygen
carbon dioxide
nitrogen
hydrogen
- 9. 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
saprophyte
parasite
autotrophs
symbiosis
- 10. Multiple Choice
which gas is produced during photosynthesis.
carbon dioxide
oxygen
hydrogen
nitrogen
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