Tag: conservation of forest and wildlife

Questions Related to conservation of forest and wildlife

Weeds, insects and diseases can be controlled by _____

evs whose forests? improved methods of agriculture cropping patterns food for all conservation of forest and wildlife wildlife deforestation and conservation

  1. Use of pesticides

  2. Sprayed on crop plants

  3. Herbicides, insecticides and fungicides

  4. All of the above

Show answer
Correct Option: D

Weeds can be removed by using

evs whose forests? improved methods of agriculture cropping patterns food for all conservation of forest and wildlife wildlife deforestation and conservation

  1. Pesticides

  2. Weedicides

  3. Antibiotics

  4. Bactericides

Show answer
Correct Option: B
Explanation:

Weeds are the undesirable plants that are not cultivated. They are the plants at the wrong place. They compete with the crop for nutrients and space. Hence, they are harmful to the crop. These weeds can be controlled by using weedicides.

Unwanted plants growing along with crop plants are called as ________.

evs whose forests? improved methods of agriculture cropping patterns food for all conservation of forest and wildlife wildlife deforestation and conservation

  1. Herbs

  2. Weeds

  3. Crops

  4. Grass

Show answer
Correct Option: B
Explanation:

The unwanted plants which grow in field along with the crop plants are termed as weed. They are harmful for the crops as they compete for nutrients with them.

The weeds competes for 

evs whose forests? improved methods of agriculture cropping patterns food for all conservation of forest and wildlife wildlife deforestation and conservation

  1. Food

  2. Water

  3. Sunlight

  4. All of the above

Show answer
Correct Option: D

Which of the following is a weed?

evs whose forests? improved methods of agriculture cropping patterns food for all conservation of forest and wildlife wildlife deforestation and conservation

  1. Sunflower

  2. Sugarcane

  3. Rose

  4. Wild grasses

Show answer
Correct Option: D

Which of the following is important to prevent the growth of weeds?

evs whose forests? improved methods of agriculture cropping patterns food for all conservation of forest and wildlife wildlife deforestation and conservation

  1. Insecticides

  2. Pesticides

  3. Biofertilizers

  4. Weedicides

Show answer
Correct Option: D
Explanation:

Insecticides and pesticides are used to kill the insects and the pest that harm the crops . While biofetilizers are the manure (contains living microorganisms) . On the other hand , weedicides are used to kill the weeds .

So the correct option is 'Weedicides' .

The unwanted plants that grow in a crop field are known as

evs whose forests? improved methods of agriculture cropping patterns food for all conservation of forest and wildlife wildlife deforestation and conservation

  1. Seeds

  2. Weeds

  3. Fruits

  4. Flowers

Show answer
Correct Option: B
Explanation:

The unwanted plants in a crop field are known as weeds. These compete with the crop plants in the field for nutrition, hence hampering their growth. 

So, the correct option is 'Weeds' .

Which of the following is a weed?

evs whose forests? improved methods of agriculture cropping patterns food for all conservation of forest and wildlife wildlife deforestation and conservation

  1. Wheat

  2. Rice

  3. Maize

  4. None of the above

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Correct Option: D

Cochineal insect has been used in checking the wild growth of________________.

evs whose forests? improved methods of agriculture cropping patterns food for all conservation of forest and wildlife wildlife deforestation and conservation

  1. Opuntia

  2. Eichhornia

  3. Aphids

  4. Screw worm

Show answer
Correct Option: A

Which of the following weed should be eradicated quickly?

evs whose forests? improved methods of agriculture cropping patterns food for all conservation of forest and wildlife wildlife deforestation and conservation

  1. Opuntia

  2. Eichhornia

  3. Parthenium

  4. Vallisneria

Show answer
Correct Option: C