Science (English Medium) कक्षा ११ - CBSE Question Bank Solutions

State any three advantages that an aerial photograph offers over ground-based observations.

Describe in brief the functioning of push broom scanner.

Describe the operation of a whiskbroom scanner with the help of a diagram. Explain how it is different from push broom scanner.

What are the three important factors which influence the mechanism of Indian weather?

What is the Inter-Tropical Convergence Zone?

Which type(s) of cyclones cause rainfall in north-western India during winter? Where do they originate?

What is the difference between forest area and forest cover?

Which one of the following is the main reason for the loss of topsoil in India?

Arable land in the irrigated zones of India is turning saline due to which of the following reasons?

What is soil degradation?

How do you know that a particular type of soil is fertile or not?

Differentiate between naturally determining fertility and culturally induced fertility.

Which one of the following figures represents the age of the earth?

Which one of the following describes the lithosphere:

Which one of the following is not a minor plate?

What is the major difference between the transform boundary and the convergent or divergent boundaries of plates?

Bring about the basic difference between the drift theory and Plate tectonics.

What relationship explained by rock cycle between the major type of rock?

Which one of the following materials is affected by hydration process?

It is weathering that is responsible for bio-diversity on the earth. How?