Q5 of 16 Page 21

Answer in detail.

Explain the glycolysis in detail.

Glycolysis is the first step of cellular respiration.


•It takes place in cytoplasm of the cell.


•It is common for both aerobic and anaerobic respiration.


•It is the in which a molecule of glucose is oxidized into two molecules of each i.e. pyruvic acid, ATP, NADH2 and water are formed


•In this process a molecule of glucose is oxidized step by step in this process and two molecules of each i.e., pyruvic acid, ATP (adenosine triphosphate), NADH2 (Nicotinamide Adenine dinucleotide) and water are formed.



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4

Give scientific reasons.

Sometimes, higher plants and animals too perform anaerobic respiration.

 4

Give scientific reasons.

Krebs cycle is also known as citric acid cycle.

 5

Answer in detail.

With the help of suitable diagrams, explain the mitosis in detail.

 5

Answer in detail.

With the help of suitable diagrams, explain the five stages of prophase-I of meiosis.