Science (English Medium) Class 11 - CBSE Question Bank Solutions

The cells involved in inflammatory reactions are ______.

Complete the missing word in the statement given below:

______ and monocytes are phagocytic cells.

Complete the missing word in the statement given below:

Eosinophils are associated with ______ reactions.

State the functions of the following in blood.

Neutrophils

State the functions of the following in blood.

Lymphocytes

Explain the consequences of a situation in which blood does not coagulate.

Differentiate between basophils and eosinophils

Answer the following:

Name the major site where RBCs are formed.

Different types of excretory structures and animals are given below. Match them appropriately and mark the correct answer from among those given below:

Which one of the following statements is incorrect?

Which of the following pairs is wrong?

What is the excretory product from kidneys of reptiles?

Identify the glands that perform the excretory function in prawns.

What is the excretory structure in amoeba?

Complete the following:

Dialysis fluid = Plasma –

Aquatic animals generally are ammonotelic in nature where as terrestual forms are not. Comment.

How have the terrestrial organisms adapted themselves for conservation of water?

Cut a transverse section of young stem of a plant from your school garden and observe it under the microscope. How would you ascertain whether it is a monocot stem or a dicot stem? Give reasons.

Draw illustrations to bring out anatomical difference between Monocot stem and dicot stem.

Differentiate between guttation and transpiration.