Nutrition in Plant Questions Bank with Free PDF || Multiple choice questions on Plant Nutrition
These Mcqs are going to discuss about the Chemosynthetic Nutrition Chemolithotrophs / Chemo-organotrophs Heterotrophic Autotrophic Nutrition / Photosynthetic Organisms: Photolithotrophs/ Photo-organotrophs Nutrition: Holozoic Nutrition/ Saprobiontic Nutrition / Parasitism/ Mutualism/ Insectivorous Plants the all topic are provided by our live learns team full of free Mcqs with answers in pdf format.
1. The tallest plants on the earth are
(1) Eucalyptus
(2) Coast RedWood of California
(3) Both (1) and (2)
(4) None
Ans. (3)
2. The reserve food material in plants is generally in the form of_______
(1) starch
(2) fats
(3) proteins
(4) all of these
ans. (4)
3. Which one of the following is not an anabolic reaction?
(1) Photosynthesis
(2) DNA replication
(3) Respiration
(4) Synthesis of auxins
ans. (3)
4. Catabolic reactions are mostly
(1) exothermic
(2) endothermic
(3) endogenous
(4) exogenous
ans. (1)
5. Autotrophs convert
(1) light energy into phySical energy
(2) light energy into chemical energy
(3) sunlight into chemical compounds
(4) sunlight into starch
ans. (2)
6. Nine-tenth of the total world’s photosynthesis is carried out by..
(1) algae of the ocean
(2) trees of the forest
(3) chemosynthesis
(4) autotrophs
ans. (1)
7. Hydrogen donor in photosynthesis in most higher plants is
(1) hydrogen sulphide
(2) water
(3) organic acids
(4) alcohol
ans.(2)
8. Chemosynthesis occurs mostly in
(1) higher plants
(2) fungi
(3) bacteria
(4) all heterotrophs
ans. (3)
9. The major group of pigments which occur in chemosynthetic organisms are
(1) chlorophyll a and xanthophylls
(2) bacteriochlorophyll and xanthophylls
(3) chlorobium chlorophyll and carotenoids
(4) bacteriochlorophyll chlorobium and chlorophyll
ans. (4)
10. Nitrifying bacteria are the examples of_____
(1) chemo-lithotrophs
(2) chemo-organotrophs
(3) photo-lithotrophs
(4) photo-organotrophs
ans.(1)
11. Holozoic nutrition is characteristic of_________
(2) animals
(1) all plants
(3) insectivorous plants
(4) bacteria
ans. (2)
12. Saprophytic angiosperms among the following are
(2) Sequoia
(1) Eucalyptus
(4) orchids
(3) Monotropa
ans. (3)
13. Dodder is
(1) total root parasite
(2) partial root parasite
(3) total stem parasite
(4) partial stem parasite
ans.(3)
14. When in an association of organisms both derive mutual benefit, the phenomenon is known as
(1) holozoic nutrition
(2) mycorrhiza
(4) mutualism
(3) heterotrophism
ans .(4)
15. Insectivorous plants________
(1) are chlorophyllous
(2) obtain nitrogen from insects
(3) have specially developed insect catching devices
(4) all of the above
ans. (4)
16. Insectivorous plants grow in soil which is deficient in
(1) calcium
(2) magnesium
(3) nitrogen
(4) water
ans. (3)
17. Photosynthesis is essential for the survival of
(1) animals
(2) plants
(3) most of the organisms
(4) all of the above
ans.(3)
18. Some reactions called____end up in synthesis of complex substance
(4) vital
(3) catabolic
(1) metabolic
(2) anabolic
ans. 2
19. _ is the external form of energy used by green plants.
(4) water
(1) heat
(3) light
(2) chemical reactions
ans . (3)
20. Photosynthetic plants mostly store__as reserve food material.
(4) proteins
(1) starch
(3) glycogen
(2) oil
ans. (1)
21. Chlorophyll absorbs….. energy for the synthesis of organic food.
(4) gaseous
(1) light
(3) chemical
(2) heat
ans. (1)
22. An organism that obtains food from another living organism is called a__
(4) saprophyte
(1) autotroph
(2) heterotroph
(3) parasite
ans. (3)
23. __is the close beneficial association between two organisms.
(3) carnivorism
(2) saprophytism
(1) parasitism
(4) mutualism
ans.(4)
24. The insectivorous plants obtain_______________ by catching and digesting insects.
(2) nitrogen
(1) magnesium
(5) proteins
(4) starches
ans.(2)
25. Bacteria synthesizing organic food without light energy are________
(1) organotrophs
(2) photo-organotrophs
(3) chemosynthetic
(4) heterotrophic
ans. (3)
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