Tag: human environment interactions: the tropical and the subtropical region

Questions Related to human environment interactions: the tropical and the subtropical region

The Green Revolution is a term used for ____________________.

  1. Increasing the area under forests

  2. Growing more trees

  3. Use of new technology for expansion in area under crops and increase of production and productivity in agriculture

  4. None of these


Correct Option: C

The _____ revolution helped farmers to produce higher level of foodgrains and non-foodgrains on the same plot of land.

  1. Blue

  2. White

  3. Green

  4. Red


Correct Option: C
Explanation:

Green revolution was introduced as a package programme with seed-water-fertilizer-pesticide-technology components. It was launched in Kharif of 1966-67. Its main objective was to attain self-sufficiency in food by 1970-71. This programme was mainly launched to increase the productivity of food grains by adopting latest varieties of inputs of crops. The green revolution helped farmers to produce higher level of food grains and non-food grains on the same plot of land.

HYV seeds stand for __________.

  1. Heavy yielding variety seeds

  2. High yielding variety seeds

  3. Half yielding variety seeds

  4. None of these


Correct Option: B
Explanation:

HYV stands for High yield variety ..seeds.

It is a kind of seeds which helps a lot in agriculture. Firstly , it used in Punjab , haryana and western U.P during green revolution .But In that time, they overuse the chemical fertilisers like HYV seeds etc.Due to impletation of HYV seeds there were faced a lot problem...It is used for surplus production in Haryana and Punjab.

Dentritic pattern of drainage has a _______.

  1. right angles structure.

  2. jointly rock terrain.

  3. dome like structure.

  4. branch like structure


Correct Option: D
Explanation:

A dendritic drainage pattern is the most common form and looks like the branching pattern of tree roots. It develops in regions underlain by homogeneous material. That is, the subsurface geology has a similar resistance to weathering so there is no apparent control over the direction the tributaries take.