Tag: evs

Questions Related to evs

A crop plant which can grow in nitrogen deficient soils without external supply of it is?

evs economic importance of plants and animals manure manures and fertilisers role of organic manures in soil management

  1. Allium sativum

  2. Gossypium herbaceum

  3. Cajanus cajan

  4. Helianthus annus

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Correct Option: C

Feathery stigma occurs in.

evs economic importance of plants and animals manure manures and fertilisers role of organic manures in soil management

  1. Pea

  2. Wheat/ Jowar

  3. Datura

  4. Caesalpinia

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Correct Option: B

Krishna/Ratna and 'Jaya' are varieties of

evs economic importance of plants and animals manure manures and fertilisers role of organic manures in soil management

  1. Maize

  2. Wheat

  3. Rice

  4. Barley.

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Correct Option: C

Principal cereal crop of India is

evs economic importance of plants and animals manure manures and fertilisers role of organic manures in soil management

  1. Wheat

  2. Rice

  3. Maize

  4. Barley.

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Correct Option: B

Which of the following plants is used to extract the blue dye?

evs economic importance of plants and animals manure manures and fertilisers role of organic manures in soil management

  1. Trifolium

  2. Indigofera

  3. Lupin

  4. Cassia

Show answer
Correct Option: B
Explanation:
The name of the plant is Indigofera tinctoria , which is under the family fabaceae.  This plant is used to produce blue denim jeans. On average a single pair of blue denim jeans need 3-12 gram of indigo.

This plant is required to do dye wool and silk products. This plant is normally found in tropical area. Indigo is very safe for the human skin and it is also chemical free.
Correct answer is B.

_____________ is a practice of clearing and burning the forest area for cultivation of crops for 3-4 years and shifting.

evs economic importance of plants and animals manure manures and fertilisers role of organic manures in soil management

  1. Jhum cultivation

  2. Horticulture

  3. Taungya cultivation

  4. Agrisilviculture

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Correct Option: A

In high yielding `hybrid crop varieties', to exploit hybrid vigour, the farmers need to purchase fresh hybrid seed every year, because

evs agriculture- crops manure manures and fertilisers role of organic manures in soil management

  1. They are not allowed to grow their own seed

  2. The hybrid vigour is lost due to inbreeding depression

  3. The government of India has accepted Dunkel's proposals

  4. It is cheaper to purchase fresh seed

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Correct Option: B

Which of the following species of silk worm are found in India

evs agriculture- crops manure manures and fertilisers role of organic manures in soil management

  1. Bombyx mori

  2. Anthera paphia

  3. Anthera assama

  4. All the above

Show answer
Correct Option: D
Explanation:

By 1910
India started regular production of raw silk. The rearing of Bombyx mori and Antheria species was undertaken.

Which of the following is/are the important human features?

evs likes and dislikes genetics terminology similarities and dissimilarities in organisms features of human body and sign language

  1. Height

  2. Weight

  3. Cloth

  4. Both A and B

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Correct Option: D
Explanation:

Height and weight are the most important human features. Every person has different height and different weight.

What is/are the main difference between human and animal?

evs likes and dislikes genetics terminology similarities and dissimilarities in organisms features of human body and sign language

  1. Height

  2. Weight

  3. Brain

  4. All of above

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Correct Option: C
Explanation:
  • The main difference between animals and humans is the brain.
  • The main function of the brain is to think and to decide what is right and what is wrong. 
  • This is the only difference by which humans can think and take decisions.
    Hence, the correct answer is C.