Question

(iv) Differentiate between:
(a) Light & Dark reaction (4 points)
(b) Aerobic and Anaerobic respiration.
(c) Terrestrial and Desert plants in terms of photosynthesis.
(d) Granum and Stroma in terms of photosynthesis.

Answer 1

Explanation:

• light reaction

1. light is essential
2. it takes place in the grana of chloroplast
3. the end products are ATP and NADPH
4. oxygen is formed as a byproduct

dark reaction

1. light light is not essential
2. it takes place in the stroma of chloroplast
3. the end product is carbohydrate

• aerobic respiration

the presence of Oxygen and release large amount of energy

anaerobic respiration

it occurs in the absence of Oxygen and releases small amount of energy