CROP PRODUCTION

Which of the following is the Rabi crop?

• Paddy

• Maize

• Soyabean

• Pea

Which of the following is not true for fertilisers

• They increase the yield

• Their excessive use disturb the balance of nutrients

• They are generally used in small quantity

• They are environment friendly

The monsoon season in our country is during the months

• April to December

• June to September

• Nov to March

• Jan to may

Which of the following statement is not true for organic manure?

• It enhance water holding capacity

• It has a balance of all nutrients of plants

• It provides humus to soil

• It improve texture of soil

What is the correct sequence of these agricultural practices?

A)Protection from weeds

B)Sowing

C)Harvesting

D)Preparation of soil

E)Irrigation

F)Storage

G)Adding manure and fertilisers

• A-D-F-G-B-C-E

• G-B-A-C-F-E-D

• D-B-G-E-A-C-F

• B-D-E-G-C-F-A

Given below are statements about the harmful effects of weeds on crop plants.

(i) They interfere in harvesting.

(ii) They help crop plants to grow healthily.

(iii) They compete with crop plants for water, nutrients, space and light.

(iv) They affect plant growth.

Choose the correct combination of statements.

• I,iii,iv

• iii,iv

• iii only

• I,ii,iii,iv

The system of irrigation where in water is supplied drop by drop near the roots of plants, is called

• Pulley system

• Drip system

• Sprinkler system

• Lever system

Which one of the following condition is not essential to grow maize

• High temperatures

• Low temperatures

• Humidity

• Rainfall

Read the statements given below.

I)Seeds require moisture for germination.

ii)Plants can absorb nutrients mostly in dissolved form.

iii)Irrigation protects crops from both frost and hot air currents.

iv)Irrigation improves soil texture.

Choose the combination of statements which indicate the need to irrigate crops

• i,ii

• I,ii,iii

• I,ii,iii,iv

• I,iii

DHEKLI is used for

• Ploughing

• Sowing

• Irrigation

• Storage