Question

Q.1 What is the major activity for improving crop yield. *



Crop variety improvement

Crop production improvement

Crop protection improvement

All of these

Q.2 Irrigation systems adopted for agriculture are *



Wells

Rivers

Canals

All of these

Q.3 Organic farming is a system with minimum use of *


Chemicals fertilizers

bio agents

organic manure

biofertilizer

Q.4 Biotic factor responsible for losses in storage of grains is



Temperature

Insects and fungi

Humidity

light

Q.5 Chemical used to control pest is known as



pesticides

insecticides

weedicides

manure

Q.6 Major sources of human food is *



Plants

Animals

Only plants

Both a & b

Q.7 In vermicompost which organism is used *



Snail

Earthworm

Frog

Rat

Other:

Q.8 Manure is prepared from *



Plant waste

Animal excreta

Plastic bags

Both A & B

Q.9 The elements used by plants in large quantities are known as *



Micronutrient

Macronutrient

Less nutrient

Both A & B

Q.10 Objectives for which improvement of crop varieties is done *



Higher yield

Better quality

Biotic and abiotic resistance

All of the above
​

Answer 1

Answer:

crop rotation and crop protection

Answer 2

Answer:

crops rotation a

canal