Science, asked by ishits, 1 year ago

.1. Select the correct word from the following list and fill in the blanks.
float, water, crop, nutrients, preparation
(a) The same kind of plants grown and cultivated on a large scale at a place is called _________.
(b) The first step before growing crops is ________ of the soil.
(c) Damaged seeds would _________ on top of water.
(d) For growing a crop, sufficient sunlight and _________ and _________ from the soil are essential.

✔   Q.2. Match items in column A with those in column B. 
AB(i)Kharif crops(a)Food for cattle(ii)Rabi crops(b)Urea and super phosphate(iii)Chemical fertilisers(c)Animal excreta, cow dung, urine and plant waste(iv)Organic manure(d)Wheat, gram, pea(e)Paddy and maize

✔   Q.3. Give two examples of each.
(a) Kharif crop
(b) Rabi crop

✔   Q.4. Write a paragraph in your own words on each of the following.
(a) Preparation of soil
(b) Sowing
(c) Weeding 
(d) Threshing

✔   Q.5. Explain how fertilisers are different from manure.

✔   Q.6. What is irrigation? Describe two methods of irrigation which conserve water.

✔   Q.7. If wheat is sown in the kharif season, what would happen? Discuss.

✔   Q.8. Explain how soil gets affected by the continuous plantation of crops in a field.

✔   Q.9. What are weeds? How can we control them?

✔   Q.10. Arrange the following boxes in proper order to make a flow chart of sugarcane crop production. 


Answers

Answered by bjang5427pazmys
6
(c) float
(d)nutrient , water
Answered by amitnrw
5

Answer:

Explanation:

(a) The same kind of plants grown and cultivated on a large scale at a place is called CROP.

(b) The first step before growing crops is PREPERATION of the soil.

(c) Damaged seeds would FLOAT on top of water.

(d) For growing a crop, sufficient sunlight and WATER and NUTRIENTS from the soil are essential.

Kharif crop -  rice , bajra , arhar , soyabean, groundnut , cotton etc

Rabi crop - wheat, barley, oats , mustard etc

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