Which gas is taken in and which one is given out by a green leaf in bright sunlight?

(i) Taken in: …………… (ii) Given out: ……………

Name the following:

1. The cells which surround the openings of stomata.
2. The chemical energy stored in the cells.
3. The pigment which traps solar energy for the process of photosynthesis.
4. A non-chlorophyllous, unicellular plant that respires anaerobically.
5. The process which maintains the coolness of the plant body.

Fill in the blanks :

1. Plants release …………… gas as a by product during photosynthesis.
2. Plants use …………… gas in the process of respiration during day time.
3. …………… gas turns lime water milky.
4. …………… is used to decolourise the leaf.
5. Iodine solution turns …………… into blue-black colour.

Name :

1. Two main modes of nutrition in the organisms.
2. Four essential requirements for the process of photosynthesis.
3. Two categories of cells in the mesophyll of leaves.
4. Two types of tissues of vascular system.
5. Two types of respiration in the organisms.