Pyruvic acid is the end product of glycolysis. What are the three metabolic products of pyruvic acid under aerobic and anaerobic conditions? Write in the space provided in the diagram.

Important Questions on Respiration in Plants

EASY

11th CBSE

IMPORTANT

NCERT Exemplar Biology - Class 11>Chapter 14 - Respiration in Plants>SHORT ANSWER TYPE QUESTIONS>Q 4

The energy yield in terms of ATP is higher in aerobic respiration than during anaerobic respiration. Why is there anaerobic respiration even in organisms that live in aerobic condition like human beings and angiosperms?

EASY

11th CBSE

IMPORTANT

NCERT Exemplar Biology - Class 11>Chapter 14 - Respiration in Plants>SHORT ANSWER TYPE QUESTIONS>Q 5

Oxygen is an essential requirement for aerobic respiration but it enters the respiratory process at the end. Discuss.

HARD

11th CBSE

IMPORTANT

NCERT Exemplar Biology - Class 11>Chapter 14 - Respiration in Plants>SHORT ANSWER TYPE QUESTIONS>Q 6

Respiration is an energy releasing and enzymatically controlled catabolic process which involves a step-wise oxidative breakdown of organic substances inside living cells. In this statement about respiration explain the meaning of (1) Step-wise oxidative breakdown (2) Organic substances (used as substrates).

EASY

11th CBSE

IMPORTANT

NCERT Exemplar Biology - Class 11>Chapter 14 - Respiration in Plants>SHORT ANSWER TYPE QUESTIONS>Q 7

Comment on the statement - Respiration is an energy producing process but ATP is being used in some steps of the process.

EASY

11th CBSE

IMPORTANT

NCERT Exemplar Biology - Class 11>Chapter 14 - Respiration in Plants>SHORT ANSWER TYPE QUESTIONS>Q 8

The figure given below shows the steps in glycolysis. Fill the missing steps $A, B, C, D$ and also indicate whether ATP is being used up or released at step $E$ ?

Question Image