Tiwari Academy Discussion

Asked: June 18, 2021In: Class 9 Science

The following statements, describe the steps to detect the presence of metanil yellow in dal. One of the four statements given below is incorrect

NCERT Important Questions Class 9 Science biology Chapter 15 Important NCERT Extra Questions Chapter 15 Improvement in Food Resources NCERT Book Extra Questions for Session 2021-2022 CBSE Board and UP Board Others state Board

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Harikesh

Asked: June 18, 2021In: Class 9 Science

Aditya added L-2 drops of iodine to three test tubes A, B and C, containing 2 ml of food samples. A dark blue-black colour appeared in test tubes A and B. The correct order of food samples taken in test tubes A, B and C is:

NCERT Important Questions Class 9 Science biology Chapter 15 Important NCERT Extra Questions Chapter 15 Improvement in Food Resources NCERT Book Extra Questions for Session 2021-2022 CBSE Board and UP Board Others state Board

Harikesh

Asked: June 18, 2021In: Class 9 Science

What is GM crop? Name any one crop which is grown in India.

NCERT Important Questions Class 9 Science biology Chapter 15 Important NCERT Extra Questions Chapter 15 Improvement in Food Resources NCERT Book Extra Questions for Session 2021-2022 CBSE Board and UP Board Others state Board

Harikesh

Asked: June 18, 2021In: Class 9 Science

What is inter-cropping? How are crops selected for inter-cropping?

NCERT Important Questions Class 9 Science biology Chapter 15 Important NCERT Extra Questions Chapter 15 Improvement in Food Resources NCERT Book Extra Questions for Session 2021-2022 CBSE Board and UP Board Others state Board

Harikesh

Asked: June 18, 2021In: Class 9 Science

Discuss two ways of incorporating desirable characteristics into crop varieties.

NCERT Important Questions Class 9 Science biology Chapter 15 Important NCERT Extra Questions Chapter 15 Improvement in Food Resources NCERT Book Extra Questions for Session 2021-2022 CBSE Board and UP Board Others state Board

Harikesh

Asked: June 18, 2021In: Class 9 Science

what is the major problem faced in fish farming? How can it be overcome.

NCERT Important Questions Class 9 Science biology Chapter 15 Important NCERT Extra Questions Chapter 15 Improvement in Food Resources NCERT Book Extra Questions for Session 2021-2022 CBSE Board and UP Board Others state Board

Harikesh

Asked: June 18, 2021In: Class 9 Science

What are the two ways of obtaining fish?

NCERT Important Questions Class 9 Science biology Chapter 15 Important NCERT Extra Questions Chapter 15 Improvement in Food Resources NCERT Book Extra Questions for Session 2021-2022 CBSE Board and UP Board Others state Board

Harikesh

Asked: June 18, 2021In: Class 9 Science

Give one example of an Indian and foreign poultry breed which when crossed produce an improved variety. List any one desirable trait expected from such cross breeding.

NCERT Important Questions Class 9 Science biology Chapter 15 Important NCERT Extra Questions Chapter 15 Improvement in Food Resources NCERT Book Extra Questions for Session 2021-2022 CBSE Board and UP Board Others state Board

Harikesh

Asked: June 18, 2021In: Class 9 Science

What would happen if poultry birds are larger in size and have no summer adaptation capacity? In order to get small sized poultry birds having summer adaptability, what methods will be employed?

NCERT Important Questions Class 9 Science biology Chapter 15 Important NCERT Extra Questions Chapter 15 Improvement in Food Resources NCERT Book Extra Questions for Session 2021-2022 CBSE Board and UP Board Others state Board

Harikesh

Asked: June 18, 2021In: Class 9 Science

Discuss why the pesticides are used in very accurate concentration and at very appropriate time.

NCERT Important Questions Class 9 Science biology Chapter 15 Important NCERT Extra Questions Chapter 15 Improvement in Food Resources NCERT Book Extra Questions for Session 2021-2022 CBSE Board and UP Board Others state Board

The following statements, describe the steps to detect the presence of metanil yellow in dal. One of the four statements given below is incorrect

Aditya added L-2 drops of iodine to three test tubes A, B and C, containing 2 ml of food samples. A dark blue-black colour appeared in test tubes A and B. The correct order of food samples taken in test tubes A, B and C is:

What is GM crop? Name any one crop which is grown in India.

What is inter-cropping? How are crops selected for inter-cropping?

Discuss two ways of incorporating desirable characteristics into crop varieties.

what is the major problem faced in fish farming? How can it be overcome.

What are the two ways of obtaining fish?

Give one example of an Indian and foreign poultry breed which when crossed produce an improved variety. List any one desirable trait expected from such cross breeding.

What would happen if poultry birds are larger in size and have no summer adaptation capacity? In order to get small sized poultry birds having summer adaptability, what methods will be employed?

Discuss why the pesticides are used in very accurate concentration and at very appropriate time.

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