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Crop Production Management Free Doubts and Solutions

CBSE - IX - Biology - Improvement in Food Resources

What is the difference between Genetic Manipulation and Hybridisation?

Asked by hk.sachdev 30th October 2018, 4:04 PM
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CBSE - IX - Biology - Improvement in Food Resources

What do we get from cereals,pilses ,fruit and vegetable?  

Asked by anilbind590 12th June 2018, 12:16 PM
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CBSE - IX - Biology - Improvement in Food Resources

what is irrigation? why is it essential? how can you manage the need of it for crops?

Asked by sajal2402 16th March 2018, 7:51 PM
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CBSE - IX - Biology - Improvement in Food Resources

If there is heavy rainfall in a village throughout the year, what measures should the farmer take for better cropping?

Asked by sajal2402 16th March 2018, 7:49 PM
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CBSE - IX - Biology - Improvement in Food Resources

List two desirable traits for fodder crops.

Asked by Topperlearning User 27th April 2016, 6:53 AM
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CBSE - IX - Biology - Improvement in Food Resources

(a) A farmer found that xanthium and parthenium are also growing along with paddy in the field? What are such plants called? How the presence of these plants affect the crop yield? (b) List any four methods for controlling and preventing the growth of such plants.

Asked by Topperlearning User 27th April 2016, 6:51 AM
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CBSE - IX - Biology - Improvement in Food Resources

Write the advantages of irrigation.

Asked by Topperlearning User 27th April 2016, 6:51 AM
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CBSE - IX - Biology - Improvement in Food Resources

(a) List the different ways in which biotic and abiotic factors affect stored food grains. (b) What preventive and controlling measures need to be taken before and after storing the grains?

Asked by Topperlearning User 27th April 2016, 6:50 AM
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CBSE - IX - Biology - Improvement in Food Resources

Are there any other differences between mixed-cropping and inter-cropping other than the definite and indefinite pattern between them? If yes, then what are they? 

Asked by stutagra 18th April 2016, 6:22 PM
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CBSE - IX - Biology - Improvement in Food Resources

Name two fresh initiatives taken to increase the water availability for agriculture.

Asked by Topperlearning User 23rd March 2016, 9:49 AM
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CBSE - IX - Biology - Improvement in Food Resources

Explain mixed cropping method with the help of an example. Give any one advantage of using such a method.

Asked by Topperlearning User 23rd March 2016, 9:47 AM
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CBSE - IX - Biology - Improvement in Food Resources

What is the objective of mixed cropping?

Asked by Topperlearning User 23rd March 2016, 8:25 AM
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CBSE - IX - Biology - Improvement in Food Resources

Is there any difference between the advantages of mixed cropping and intercropping? if so,what are they?

Asked by S SELVA 8th September 2015, 12:10 PM
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CBSE - IX - Biology - Improvement in Food Resources

WHAT IS GREEN REVOLUTION,BLUE REVOL,WHITE REVOLUTION, YELLOW REVOLUTION,GOLDEN REVOLUTION?

Asked by Asmita 23rd August 2015, 8:39 PM
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CBSE - IX - Biology - Improvement in Food Resources

how is the tube well different from dug well

Asked by apurva151 18th February 2015, 4:32 PM
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CBSE - IX - Biology - Improvement in Food Resources

How do different cropping patterns reduce the growth of weeds and pests?

Asked by lyricistsanjeevanand 15th September 2014, 11:51 AM
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CBSE - IX - Biology - Improvement in Food Resources

How are genetically modified crops produced?
What should we do te get maximum benefits from fields?

Asked by George 17th August 2014, 7:10 PM
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CBSE - IX - Biology - Improvement in Food Resources

WHEN THE FOOD IS STORED IN SOME METTALIC CONTAINERS ,IT BECOMES UNFIT FOR HUMAN CONSUMPTION. EXPLAIN AND GIVE EXAMPLES. 

Asked by harshmandlik 4th August 2014, 5:28 PM
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CBSE - IX - Biology - Improvement in Food Resources

State two advantages of intercropping over mixed cropping.

Asked by Topperlearning User 4th June 2014, 1:23 PM
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CBSE - IX - Biology - Improvement in Food Resources

Name one micronutrient and one macronutrient which plants taken the soil.

Asked by Topperlearning User 4th June 2014, 1:23 PM
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CBSE - IX - Biology - Improvement in Food Resources

What are weeds? Give two examples of weeds. Explain why is the removal of weeds necessary from the cultivated fields? Name any two methods to control weeds.

Asked by Topperlearning User 4th June 2014, 1:23 PM
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CBSE - IX - Biology - Improvement in Food Resources

(a) Define macro nutrients. (b) Pick out micro nutrients from the list given below : Zinc, Calcium, iron, nitrogen, potassium, (c) Name any three processes in plants which are affected by deficiency of nutrients.

Asked by Topperlearning User 4th June 2014, 1:23 PM
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CBSE - IX - Biology - Improvement in Food Resources

Why is irrigation important for crops? Describe in brief any four different kinds of irrigation systems adopted to supply water to agricultural lands.

Asked by Topperlearning User 4th June 2014, 1:23 PM
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CBSE - IX - Biology - Improvement in Food Resources

State differences between mixed cropping and intercropping with examples.

Asked by Topperlearning User 4th June 2014, 1:23 PM
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CBSE - IX - Biology - Improvement in Food Resources

List the nutrients supplied by air, water and soil to the plants.

Asked by Topperlearning User 4th June 2014, 1:23 PM
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CBSE - IX - Biology - Improvement in Food Resources

Name any three methods of irrigation and briefly describe them.

Asked by Topperlearning User 4th June 2014, 1:23 PM
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CBSE - IX - Biology - Improvement in Food Resources

What harm can be caused to crops if irrigated excessively?

Asked by Topperlearning User 4th June 2014, 1:23 PM
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CBSE - IX - Biology - Improvement in Food Resources

What is crop rotation and what are its advantages?

Asked by Topperlearning User 4th June 2014, 1:23 PM
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CBSE - IX - Biology - Improvement in Food Resources

Briefly describe the river lift system.

Asked by Topperlearning User 4th June 2014, 1:23 PM
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CBSE - IX - Biology - Improvement in Food Resources

Enlist the factors which are responsible for the loss of storage grains.

Asked by Topperlearning User 4th June 2014, 1:23 PM
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CBSE - IX - Biology - Improvement in Food Resources

What are the factors on which irrigation depends?

Asked by Topperlearning User 4th June 2014, 1:23 PM
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CBSE - IX - Biology - Improvement in Food Resources

How do we know that the grain is affected by abiotic and biotic factors?

Asked by Devika PC 9th May 2014, 9:51 AM
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CBSE - IX - Biology - Improvement in Food Resources

List two demerits of the continuous use of fertilizers.

Asked by Topperlearning User 16th August 2013, 1:06 AM
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