• Improvement in Food Resources
Back
0

Improvement in Food Resources

Description: Plant animal breeding and selection for quality improvement and management. Use of fertilizers, manures, protection from pests and diseases, organic farming.
Number of Questions: 15
Created by:
Tags: Crops seasons manure fertilizer classification of nutrients types of fertilizers. Animal husbandary cattle forming diary animals Bee keeping fisheries. Crop Variety Improvement Crop and Post Harvest Protection Improvement of Food Resources Transfer of Charge from One Body to Another
Start the Quiz
Attempted 0/15 Correct 0 Score 0
‹
›

Which of the following is not used for organic farming?

  1. Neem leaves

  2. Urea

  3. Recycled farm wastes

  4. Culture of blue-green algae

  5. Turmeric

Show answer
Correct Option: B
Explanation:

It is a fertilizer, and not used in organic farming.

In which of the following water systems, water is directly drawn from the rivers for supplementing irrigation?

  1. Wells

  2. Canals

  3. Tanks

  4. River lift system

  5. River valley system

Show answer
Correct Option: D
Explanation:

In this system, water is directly drawn from the rivers for supplementing irrigation.

Which of the following is not the advantage of mixed cropping?

  1. No risk of crop failure.

  2. Farmers can meet various requirements of family.

  3. Yield of both the crops increases.

  4. Less pest infection.

  5. Regular and reliable supply of water.

Show answer
Correct Option: D
Explanation:

It is the advantage of irrigation. Chances of pest infection is greatly reduced

What are the characteristics of intercropping?

  1. Product of each crop can be marketed.

  2. Spraying of pesticides is difficult.

  3. Seeds of two crops are mixed before sowing.

  4. No set pattern of rows of crops.

  5. Its target is to minimise risk of crop failure.

Show answer
Correct Option: A
Explanation:

Product of each crop can be marketed and consumed separately.

How can we protect the crops?

  1. By using pesticides

  2. By using resistant varieties

  3. Implementing crop rotation

  4. Summer ploughing

  5. All of the above

Show answer
Correct Option: D
Explanation:

Weeds, insect pests and disease-causing organisms can damage the crop. Thus, crops can be protected by all of the above mentioned methods.

Which of the following is a chewing insect?

  1. Aphid

  2. Leaf hopper

  3. Grass hopper

  4. Sugarcane borer

  5. Coton ball weevil

Show answer
Correct Option: C
Explanation:

It is a chewing insect.

What is the common name of Corcyra cephalonica?

  1. Rice weevil

  2. Pulse beetle

  3. Rice Moth

  4. Grain and flour moth

  5. Lesser Grain borer

Show answer
Correct Option: C
Explanation:

Rice moth is the common name of Corcyra cephalonica.

Which biotic factors are responsible for the loss during storage of grains?

  1. Insects, rodents and moisture

  2. Mites, bacteria and rodents

  3. Temperature, birds and insects

  4. Temperature, humidity and rodents

  5. Mites, bacteria and moisture

Show answer
Correct Option: B
Explanation:

All are biotic factors.

What are the preventive measures that are used before storage of grains?

  1. Hygenic condition and drying

  2. Prophylatic treatment

  3. Proper storage structure

  4. All of the above

  5. Both 1 and 3

Show answer
Correct Option: D
Explanation:

Hygiene, dryness, proper storage and prophylactic treatment are the preventive measures followed to store grains.

Match the name of insect pests with their respective zoological names.

  1. Pulse beetle a. Callosobruchus maculatus
  2. Rice weevil b. Trogoderma granarium
  3. Khapra weevil c. Sitophilus oryzae

  1. 1 - a, 2 - c, 3 - b

  2. 1 - a, 2 - b, 3 - c

  3. 1 - c, 2 - b, 3 - a

  4. 1 - b, 2 - a, 3 - c

  5. 1 - b, 2 - c, 3 - a

Show answer
Correct Option: A
Explanation:

Sitophilus oryzae's name itself indicates the pest, rice weevil.

How can we control pests that attack the stored grains?

a. Spraying of insecticides over grains b. Conversion of insecticide solution into fumes to kill the insects c. Mixing neem kernel powder along with grains and adding legumes to grains

  1. Only a

  2. Only b

  3. Both a and b

  4. Both b and c

  5. All of the above

Show answer
Correct Option: D
Explanation:

Fumigation and addition of plant products are the control measures against pests attacking stored grains. In chemical control method, insecticides can be applied by spraying over the gunny bags that contain grains.

_______ methods are used to control weeds.

  1. Mechanical

  2. Cultural

  3. Chemical

  4. All of the above

  5. Both (1) and (3)

Show answer
Correct Option: D
Explanation:

Mechanical, cultural, chemical and biological methods are used to control weeds.

What is atrazine?

  1. It is a pest.

  2. It is a herbicide.

  3. It is a fertiliser.

  4. It is an insect.

  5. It is a crop.

Show answer
Correct Option: B
Explanation:

Atrazine is a herbicide of the triazine class. Atrazine is used to prevent pre- and postemergence broadleaf weeds in crops such as maize (corn) and sugarcane and on turf, such as golf courses and residential lawns.

Which of the following does not represent common mixed cropping practices?

  1. Wheat + Chickpea

  2. Soyabean + Pigeon pea

  3. Wheat + Mustard

  4. Cotton + Jute

  5. Cotton + Groundnut

Show answer
Correct Option: D
Explanation:

Cotton + Jute  is not a  mixed cropping pattern. Cotton + Groundnut is a common cropping pattern.

How is crop rotation beneficial?

  1. Helps in replenishment of soil fertility

  2. Prevents depletion of selective nutrients

  3. Enhances production

  4. All of the above

  5. Both 2 and 3

Show answer
Correct Option: D
Explanation:

Practice of growing different crops on a piece of land increases soil fertility, which enhances production and helps in maintaining the nutrient level.

- Hide questions
ADVERTISEMENT

Find more quizzes from top tags

general knowledge
3615 Quizzes
119858 Questions
 technology
307 Quizzes
36705 Questions
 sports
963 Quizzes
19148 Questions
 history
1187 Quizzes
13475 Questions
 physics
598 Quizzes
13441 Questions
 biology
1160 Quizzes
12174 Questions
 science & technology
551 Quizzes
11015 Questions
 chemistry
490 Quizzes
9892 Questions
 maths
518 Quizzes
9324 Questions
 softskills
0 Quizzes
7131 Questions