HOTS Questions for Class 9 Science Chapter 15 Improvement in Food Resources

These Solutions are part of HOTS Questions for Class 9 Science. Here we have given HOTS Questions for Class 9 Science Chapter 15 Improvement in Food Resources

Question 1.
Identify the plants and animals shown in the figures.
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To which category each one belongs ?
Answer:
A. White Leghorn …………….. exotic bread of poultry, acclimatised to India, very good layer and moderately good broiler.
B. jersey ……………… exotic cattle, very high milk yielding
C. Gundhi Bug …………….. Insect pest of Paddy.
D. Wild Oat ………………. Rabi season narrow leaved monocot weed.

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Question 2.
Name (a) A milch animal with maximum fat content in its milk.
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(b) Kharif season narrow leaved and broad leaved weeds.
(c) Cattle disease transferable to human beings.
(d) Bird used in cock fighting.
Answer:
(a) Surti breed of buffalo with fat content of 8-12% in its milk.
(b)

  1. Narrow Leaved Monocot Weed ……………….. Nutgrass (Cyperus/ Cyperinus rotundus).
  2. Broad Leaved Dicot Weed ………………… Amaranthus.

(c) Anthrax, amoebiasis, tuberculosis.
(d) Aseel ……………… local (indigenous) breed of poultry.

Question 3.
What is royal jelly ? How does it differ from bee bread ?
Answer:
Royal jelly is a protein rich food secreted by hypophyseal glands of young workers for feeding the queen.
Bee bread is prepared by adult workers for all other members of the colony. Bee bread is a mixture of honey and pollen.

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