MCQ
Assertion (A): Tank irrigation needs hard impervious underground rocks but soft rocks too are useful
Reason (R): Hard rocks prevent percolation and make water available on the surface but in second case, the percolated water raises the ground water table.
  • A
    Both A and R are true and R is the correct explanation of A
  • B
    Both A and R are true and R is the not correct explanation of A
  • C
    A is true but R is false.
  • A is false but R is true

Answer

Correct option: D.
A is false but R is true
(D) A is false but R is true.

Need a full question paper?

Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

Start Generating Free

Similar questions

Assertion (A): Cotton textile industry is the largest employment generating industry in India.
Reason (R): Cotton grown in India is of the best quality in the world.
Assertion (A): Proper waste management is essential for sustainable development of the world.
Reason (R): Inadequate waste management leads to pollution, loss of natural resources.
Reason: It is done to prevent people from exposure to dreadful diseases and infections.
Assertion (A): India has tremendous potential for the generation of nuclear energy.
Reason (R): Nuclear energy can be produced in substantial quantity.
Assertion (A): After the rainy season, in summer, India experiences October heat.
Reason (R): The absence of rain due to withdrawal of monsoon and more humidity than usual is responsible for it.
Assertion (A): Laterite soils are very infertile
Reason (R): Laterite soil is acidic and we must use chemical fertilizers in it.
Assertion (A): Sugar industries are located near the sugarcane producing regions.
Reason (R): It is mainly done to reduce the cost of transport.
Assertion (A): Air transport is considered as an important means of transport in the North Eastern part of our country.
Reason (R): People can afford air transport due to decreasing prices due to increasing competition among the air transport companies.
Assertion (A): Iron and steel is a basic industry and forms the backbone of industrial development of a country.
Reason (R):: It is needed to manufacture machinery, defence equipments, dams, houses, other consumer goods.
Assertion (A): India has abundant water resources
Reason (R): India receives 14% of rainfall of the world.
Assertion (A): Annaimudi, the highest peak in south India, in Tamil Nadu lies in the tropical region and hence it experiences hot climate.
Reason (R): As the altitude increases, the temperature decreases.