Science (English Medium) इयत्ता ११ - CBSE Question Bank Solutions for Biology

Briefly mention the mechanism of action of FSH.

What is the significance of vital capacity?

State the volume of air remaining in the lungs after a normal breathing.

Find out the Tidal volume (approximate value) for a healthy human in an hour.

Distinguish between IRV and ERV.

Distinguish between inspiratory capacity and expiratory capacity.

Distinguish between Vital capacity and Total lung capacity.

Give a brief account of the counter current mechanism.

Write a short note on the following:

Forebrain 

Write a short note on the following: 

Midbrain

Write a short note on the following:

Hindbrain 

Differentiate between Thalamus and Hypothalamus.

Differentiate between Cerebrum and Cerebellum.

Which part of the human brain is the most developed?

Which part of our central neural system acts as a master clock?

How many shoot apical meristems are likely to be present in a twig of a plant possessing, 4 branches and 26 leaves?

As we go from species to kingdom in a taxonomic hierarchy, the number of common characteristics ______.

Which of the following ‘suffixes’ used for units of classification in plants indicates a taxonomic category of ‘family’?

Genus represents ______.