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1. Improvements in Food Resources
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Q11 of 465 Page 54

Define the terms hybridization and photoperiod.

Hybridisation - It is crossing of two (or more) types of individuals with different useful traits in order to bring them together in the progeny and obtain desired results.

Photoperiod - It is the duration of daylight/ sunlight that influences plants and other organisms in their growth, reproduction and maturation.


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9

If there is low rainfall in a village throughout the year, what measures will you suggest to the farmers for better cropping .

10

Group the following and tabulate them as energy yielding, protein yielding, oil yielding and fodder crop: Wheat, Rice, berseem, Maize Gram, Oat, Pigeon gram, Sudan grass, Lentil, Soybean, Groundnut, Castor and mustard.

12

Fill in the blanks:

(a) Photoperiod affect the ...of plants.


(b) Kharif crops are cultivated from to


(c) Rabi crops are cultivated from .... to .....


d) Paddy, Maize, Green Gram and Black gram are ...Crops.


(e) Wheat, Gram, Pea and Mustard are ....crops.

13

Cultivation practices and crop yield are related to environmental conditions. Explain.

Questions · 465
1. Improvements in Food Resources
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