CROP PRODUCTION AND MANAGEMENT

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CLASS 8 MADE BY MISS ANKITA(TGT SCIENCE) KV CRPF YELAHANKA

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The management and care of farm animals by humans for profit is known as *

1 point

Granary

Animal Husbandry

Poultry farm

Warehouse

The conversion of nitrogen into nitrates is known as(a) (b) Ammonification(c) Nitrate Assimilation(d) Nitrogen cycle *

1 point

Nitrogen fixation

Ammonification

nitrate assimilation

nitrogen cycle

Other:

In which season Rabi crop is grown:

1 point

Winter

Summer

Rainy season

Autumn Season.

Other:

Clear selection

Which one is used to store grains on large scale:

1 point

jute bags

mettalic tins

sillos

all of these

Clear selection

When healthy seeds are dipped in water, seeds *

1 point

Sink in water

Neither sink nor float

float in water

all of these

Other:

Following are given the differences between manures and fertilisers. Which of the given differences are incorrect? *

0 points

(ii) and (v) only

(i), (ii) and (v) only

(iii) and (iv) only

(i), (iii) and (v) only

Why is manure added before tilling of soil? *

1 point

2,4 D is a: *

1 point

insecticide

weedicide

pesticide

flurocide

the process of separating grain from chaff is called *

1 point

threshing

weeding

sowing

winnowing

Bacteria present in roots of leguminous plants _______________. *

1 point

Select the correct pairs afterobserving the instrument used: *

1 point

cultivator -- for ploughing

hoe -- sowing

cultivator--- irrigation

hoe -- ploughing

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