Science Practice Test - II
Class - 7
- Priyanka Chandratre
Portion : Nutrition in plants
Choose the correct answer.
1) All green plants are _______________
a) heterotrophs
b) autotrophs
c) none of the above
2) The products of photosynthesis are___________________
a) glucose
b) oxygen
c) all of the above
3) Which of the following traps sunlight?
a) stomata
b) chlorophyll
c) roots
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4) Each stoma consists of _____________
a) a stomatal opening
b) two guard cells
c) all of the above
5) A network of tubes which is used for transportation of water is called ___________
a) phloem
b) xylem
c) all of the above
6) Which of the following is used by parasitic plants to penetrate the host plants?
a) tentacles
b) hairs
c) haustoria
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7) Which of the following is not a parasitic plant?
a) Cuscuta
b) Corpse flower
c) Indian pipe
8) Which of the following is an example of partial parasites?
a) Dodder
b) Dwarf mistletoe
c) Mistletoe
9) Insectivorous plants shows which nutrient deficiency?
a) sulfur
b) nitrogen
c) calcium
10) Which of the following is an example of insectivorous plant?
a) Sundew plant
b) Bladderworts
c) All of the above
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11) Which of the organisms get its food from dead and decaying matter?
a) Algae
b) Fungi
c) Insectivorous plants
12) In which nutrition the organisms develop mutual relationship with other organisms to obtain nutrients?
a) Parasite
b) Saprotrophs
c) Symbiosis
13) ____________ is not a saprotrophs.
a) Rhizobia
b) Mushrooms
c) Bread mould
14) The tiny pores present in the leaves of the plants for exchange of gases are called _________________
a) chloroplast
b) stomata
c) spiracles
15) Utricularia is an example of an ____________ plant.
a) Parasites
b) Saprotrophs
c) Insectivorous
