Life Processes in Animals Class 7 Short Question Answer

Life Processes in Animals Class 7 Short Question Answer

Life Processes in Animals Class 7 Short Question Answer

Question 1.

What are life processes?

Answer:

Life processes are essential functions necessary for the survival of living beings, including nutrition, respiration, excretion, and reproduction.

Question 2.

What is the role of the alimentary canal in digestion?

Answer:

The alimentary canal is a long tube where complex food components are broken down into simpler forms through mechanical and chemical digestion.

Question 3.

What is rumination?

Answer:

Rumination is the process by which ruminants, like cows, partially chew food, swallow it, and later regurgitate it to chew it thoroughly before further digestion.

Question 4.

How do ruminants digest their food differently from other animals?

Answer:

Ruminants like cows initially swallow food without thorough chewing, then regurgitate it to chew it again. This process allows for better breakdown of fibrous plant material in their multi-chambered stomach.

Question 5.

What adaptations do birds have for digestion?

Answer:

Birds lack teeth and have a gizzard that grinds food, allowing them to digest seeds and other hard materials effectively. This adaptation helps them process food without the need for teeth.

Question 6.

How does the small intestine facilitate nutrient absorption?

Answer:

The small intestine has a large surface area due to finger like projections,which increase absorption efficiency. Nutrients pass through the intestinal walls into the bloodstream for distribution throughout the body.