Nutrition in Plant Questions Bank with Free PDF

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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