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

Give an example of a blood pressure lowering hormone.

Give an example of androgens.

What is the site of gaseous exchange in an insect?

What is the importance of plasma proteins?

Why do we consider blood as a connective tissue?

What is the difference between lymph and blood?

Define the Glomerular Filtration Rate (GFR).

Explain the autoregulatory mechanism of GFR.

What is meant by the term osmoregulation?

Reabsorption of water from distal parts of the tubules is facilitated by hormone ______.

Dialysis fluid contains all the constituents as in plasma except ______.

What are the different types of movements exhibited by the cells of human body?

Draw a labelled diagram of the following:

Neuron 

Draw a labelled diagram of the following: 

Brain 

Differentiate between Myelinated and non-myelinated axons.

Differentiate between Dendrites and axons.

Distinguish between Impulse conduction in a myelinated nerve fibre and unmyelinated nerve fibre

Distinguish between Cranial nerves and spinal nerves.

A plant tissue, when stained, showed the presence of hemicellulose and pectin in cell wall of its cells. The tissue represents ______.

Respiration in insects is called direct because ______.