Question 1

Which of the following is responsible for the transport of water in plants?

Accepted Answer

Xylem is responsible for the transport of water and dissolved minerals from the roots to the aerial parts of the plant. It forms a continuous system of water-conducting channels reaching all parts of the plant.

Question 2

The mode of nutrition in fungi is:

Accepted Answer

Fungi exhibit saprophytic nutrition, where they obtain their nutrients from dead and decaying organic matter by breaking it down outside their body and then absorbing it.

Question 3

The green color of plants is due to the presence of which pigment?

Accepted Answer

Chlorophyll is the green pigment present in chloroplasts that absorbs light energy necessary for the process of photosynthesis.

Question 4

In which part of the digestive system is water mostly absorbed?

Accepted Answer

The large intestine is the primary site where water is absorbed from the unabsorbed food material before it is eliminated from the body.

Question 5

The respiratory pigment in human beings is:

Accepted Answer

Hemoglobin is the iron-containing respiratory pigment found in red blood cells that has a high affinity for oxygen and transports it from the lungs to the tissues.

Life Processes — CBSE Class 10 Science Important Questions & Revision Notes