Question

Tick the correct option
1. More energy is released by the process of aerobic respiration than by anaerobic respiration as
a. it occurs in micro-organisms which have fewer enzymes.
b. it causes complete oxidation of food.
c. it is the process where only organic matter is considered.
d. it takes place in animals only.

2.Glucose is oxidised to ethyl alcohol in
a. aerobic respiration
b. fermentation
c. breathing
d. photosynthesis

3. In insects, the exchange of gases occurs through
a. gills
b. spiracles
c. skin
d. lungs ​

Answer 1

Answer:

1. a

2. b

3. b

Explanation:

Answer 2

Answer:

1st answer c

2nd answer b

3rd answer c