Question

16. Read the following passage and answer the questions given below.
Aarti went on a trip organized by her school to botanical gardens in Delhi. She was very
excited to use the knowledge she had learned in her class to relate it with the flora and
fauna in the gardens. When Aarti was looking at all different kind of plants, she spotted
some leaves with yellowish colour. She had studied that leaves were green in colour so
she was confused. Aarti took one piece of that leaf to her school laboratory, boiled it
and then mounted it on a slide to observe under microscope. She then poured a strong
sugar solution over it and observed the slide through the microscope.
a) Which pigment gives green colour to the leaves?
b) What is the function of the above mentioned pigments?
What did Aarti observed when she poured sugar solution over the slide?
d) Define plasmolysis.​

Answer 1

Answer:

1 chlorophyll

2 the pigment gives colour to the certain plant parts and xanthophyll absorb certain wave length of light

3 no change that she observed because the cell will die when we boil the part of the leaf

4 the cells lose of water when we keep them in hypertonic solutions is called plasmolysis

Answer 2

Explanation:

1) chlorophyll

2) it helps plants to make their own food through photosynthesis

3) no change