Complete the following food chains by writing the names of appropriate organisms in the blanks:

(i) Grass → ………… → Snake → ……………

(ii) ……….. → Mouse …………… → Peacock

Name these :

(a) Two aquatic plants which can be used for the experiment of photosynthesis.

(b) Two plants having variegated leaves.

(c) Two raw materials for photosynthesis.

(d) Four essentials for photosynthesis.

(e) Two main phases of photosynthesis.

Complete the following by filling the blanks 1 to 5 with appropriate words/ terms/ phrases:

To test the leaf for starch, the leaf is boiled in water to (1) …………… . It is next boiled in methylated spirit to (2) …………… . The leaf is placed in warm water to soften it. It is then placed in a dish and (3) ………… solution is added. The region, which contains starch, turns (4) …………… and the region, which does not contain starch, turns (5) ……………… .

Write the exact location of each :

(a) Chlorophyll

(b) Chloroplast in the parts of a plant

(c) Stroma

(d) Guard cells

(e) Palisade cells