Question

MMONITE
22
BIOLOGY COMMON NOTES
VULI CLASS - CBSE
13. Assertion (A) : The removal of weeds is called weeding it is necessary in agricultural practices
Reason (R) Weeds compete with the crop plants for water, nutrients, space and light thus
affect the growth of the crop.
ve to
shell
14. Assertion (A) :
Reason (R)
The cutting of crop after it is mature is called harvesting
The process of separation of seeds from chaff is called threshing
..
and
15. Assertion (A) :
The preparation of soil is the first step before growing a crop. It is one of the
most important task in agriculture.
The process of loosening or turning of soil is called tilling (oc) ploughing, this
allows the roots to penetrate deep into the soil.
Reason (R)
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16. Assertion (A) : Farmers have to add manure to the field to replenish the soil with nutrients
Reason (R) : Continuous growing of crops make the soil poorer in certain nutrients.
for

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Answer 1

Answer:

you complete your questions write all reason and assertion and the 13 one is right

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