Ncert- science – class 7- Chapter 6 – Respiration in Organisms 1

Welcome to your Ncert- science - class 7- Chapter 6 – Respiration in Organisms 1

Gas exchange surface of Earthworm is

Root hair helps in better absorption of air and water as:

The floating roots in water absorbs the air from

Roots of plants take up air from:

Which one of the following organism may respire in the absence of oxygen?

Leaves of the plant have tiny pores for the exchange of oxygen and carbon dioxide. These small pores are known as:

Consider the following statements.

a. Acetaldehyde is an electron acceptor during respiration
b. In Critic Acid Cycle, pyruvate is transported from cytosol to mitochondrial matrix
c. The Pentose Phosphate Pathway occurs in cytosol
Which of these statements are correct?

The end product of eukaryotic cellular aerobic respiration include(s):

The act of breathing out air from the lungs is called:

Which component of the inhaled air is used by the body?

Which of the following is the respiratory organ of the frog?

Which of the following is the main purpose of respiration, in plants?

Which of the following is not associated with the process of respiration?

Which tube of the following is used both by the digestive and respiratory system?

The breathing rate of an adult human at rest is __________.

In cockroach, O2 is carried to tissue by:

Which is/are the respiratory organ(s) present in frog?

Chest cavity is enlarged by action of _______.

Lenticels are found in

Which of the following is the product of anaerobic respiration by yeast?

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