Q2 of 70 Page 73

Identify the false statements and rewrite them correctly by changing the first or the last word only.

Green plants perform photosynthesis.

True

Explanation: Green plants contain a light absorbing pigment in their chloroplasts called chlorophyll which is essential for photosynthesis. They come under the category of producers.


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2

Identify the false statements and rewrite them correctly by changing the first or the last word only.

Photosynthesis stops at a temperature of about 35°C.

 2

Identify the false statements and rewrite them correctly by changing the first or the last word only.

Photosynthesis occurs only in cells containing chloroplasts.

 2

Identify the false statements and rewrite them correctly by changing the first or the last word only.

Algae are autotrophs.

 3

Fill in the blanks with the appropriate answer from the choices given in the brackets.

(a) The site of light reaction in the cells of a leaf is ..................(cytoplasm, stroma, grana).


(b) The chemical substance used to test the presence of starch in the cell of a leaf is............... (CaCl2, iodine solution, Benedict solution).


(c) Stroma is the ground substance in ............... (cytoplasm, chloroplast, ribosomes).


(d) The dark reaction of photosynthesis is known as............... (Hill reaction, cyclic phosphorylation, Calvin cycle).


(e) In the flowering plants, food is transported in the form of ........................... (sucrose, glucose, starch).