Match the statement 'A' with the term 'B'. Statement 'A' Term 'B' (a) Pore on a leaf through which carbon dioxide diffuses from air into the leaf (i)Saprophytes (b) A substance that traps solar energy in green plants (ii) Photosynthesis (c) Process of synthesizing food in green plants (iii) Saprotroph (d) The first food product of photosynthesis (iv) Stomata (e) The first visible stored food in a green leaf (v) Nutrient (f) Example of a partial parasite (vi) Starch (g) Plant organisms feeding on dead organic matter (vii) Chlorophyll (h) An organism which feeds on dead organic matter (viii) Mistletoe (i) A substance which is a part of the food to help nutrition (ix) Sugar

(a)- iv The pores on a leaf through which carbon dioxide diffuses from air into the leaf are called stomata. They have guard cells. Water is also released in the form of vapour. (b)-vii A substance that traps solar energy in green plants is called chlorophyll. This pigment is present in leaves and used for the process of photosynthesis. The chlorophyll is absent in animal cells and present only in plant cell. (c)-ii The process of synthesizing food in green plants is called photosynthesis. This process occurs in the presence of water, carbon dioxide, and sunlight. (d)-ix Glucose is the first food product of photosynthesis which is produced with the help of carbon dioxide and water. (e)-vi Starch is the first visible stored food in a green leaf which is synthesized in the leaves directly by photosynthesis. (f)-viii Mistletoe is an example of hemi-parasitic plants. This plant depends on its host for water and minerals. (g)-i Saprophytes are the organism that mainly feeds on dead and decaying organic matter. Examples are Rhizopus, Aspergillus, Yeast, Mucor . (h)-iii An organism that lives on dead or decaying organic material by secreting enzymes into it and then absorbing its nutrients is called saprotrophs. (i)- v Nutrients are the substance used by an organism to survive, grow, and reproduce. Statement 'A' Term 'B' (a) Pore on a leaf through which carbon dioxide diffuses from air into the leaf (iv) Stomata (b) A substance that traps solar energy in green plants (vii) Chlorophyll (c) Process of synthesizing food in green plants (ii) Photosynthesis (d) The first food product of photosynthesis (ix) Sugar (e) The first visible stored food in a green leaf (vi) Starch (f) Example of a partial parasite (viii) Mistletoe (g) Plant organisms feeding on dead organic matter (i)Saprophytes (h) An organism which feeds on dead organic matter (iii) Saprotrophs (i) A substance which is a part of the food to help nutrition (v) Nutrient

E M B I B E

S. Chand's SCIENCE For Class VII>Chapter 1 - Nutrition in Plants>EXERCISES>Q I

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7th CBSE

IMPORTANT

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Name the organisms which obtain their food from rotting material, whether these are saprotrophs or insectivorous.

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Important Questions on Nutrition in Plants

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7th CBSE

IMPORTANT

S. Chand's SCIENCE For Class VII>Chapter 1 - Nutrition in Plants>EXERCISES>Q I

Two organisms living together for the benefit of one another is called.

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7th CBSE

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S. Chand's SCIENCE For Class VII>Chapter 1 - Nutrition in Plants>EXERCISES>Q II

Match the statement 'A' with the term 'B'.

Statement 'A'	Term 'B'
(a) Pore on a leaf through which carbon dioxide diffuses from air into the leaf	(i)Saprophytes
(b) A substance that traps solar energy in green plants	(ii) Photosynthesis
(c) Process of synthesizing food in green plants	(iii) Saprotroph
(d) The first food product of photosynthesis	(iv) Stomata
(e) The first visible stored food in a green leaf	(v) Nutrient
(f) Example of a partial parasite	(vi) Starch
(g) Plant organisms feeding on dead organic matter	(vii) Chlorophyll
(h) An organism which feeds on dead organic matter	(viii) Mistletoe
(i) A substance which is a part of the food to help nutrition	(ix) Sugar