Question

Fill in the blanks-

a) The hottest zone of the candle flame is _________ zone.

b) _____ is the supporter of combustion.

c) The crops are sown in rainy season are called __________ .

d) The crops are sown in winter season are called ___________.

e) The process of removing the weeds is called _______.

f) _____________ helps in the separation of the grains from the husk.

g) The ploughed land is leveled with the help of _____.

h) Plants of same kind grown at one place on a large scale are called __________.

i) The polluted rain containin​

Answer 1

Answer:

1)This blue coloured zone is the non-luminous part of the flame.

2)oxygen

3)kharif or monsoon crops

4)Rabi crops

5)weeding.

6) Winnowing

7)The ploughed land is leveled with the help of plough. The land should be ploughed and leveled before sowing due to following reason.

8) crop

cropThe same kind of plants grown and cultivated on a large scale at a place is called a crop

9) The polluted rain containing H1SO4 is known as Acid Rain

Answer 2

Answer:

1. blue zone
2. oxygen
3. Kharif crops or monsoon crops
4. rabi or winter crops
5. weeding
6. Winnowing
7. Leveller
8. crops
9. sulphuric acid and nitric acid.

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