PRACTICE TEST 2- CHAPTER 12

Welcome to your Ncert – class 9- science – Chapter 12 – Improvement in Food Resources 2

To solve the food problem of the country which among the following is necessary?

Easy access of people to the food grain

Increased production and storage of food grains

All of the above

People should have money to purchase the grains

None

The branch of agricultural science dealing with production of field crops and management of the soil is called

Agronomy

Anatomy

Genetic engineering

Astronomy

None

Horti-pastoral farming refers to:

Growing fodder and rearing cattle.

Growing food and fodder.

Growing fruit trees and fodder simultaneously.

Growing mixed crops.

None

Which of the following are Indian cattle?

(i) Bos indicus

(ii) Bos domestica

(iii) Bos bubalis

(iv) Bos vulgaris

(i) and (ii)

(i) and (iii)

(iii) and (iv)

(ii) and (iii)

None

Hybridisation refers to crossing between genetically ______ plants.

Similar

Identical

All of the above

Dissimilar

None

Which one of the following nutrients is not available in fertilisers?

Potassium

Iron

Nitrogen

Phosphorus

None

Find out the wrong statement from the following

None of the above

Blue revolution is meant for increase in fish production

Increasing food production without compromising with environmental quality is called as sustainable agriculture.

White revolution is meant for increase in milk production.

None

Find out the correct sentence about manure

(i) Manure contains large quantities of organic matter and small quantities of nutrients.

(ii) It increases the water holding capacity of sandy soil.

(iii) It helps in draining out of excess of water from clayey soil.

(iv) It excessive use pollutes environment because it is made of animal excretory waste.

(iii) and (iv)

(i) and (ii)

(ii) and (iii)

(i) and (iii)

None

If crop rotation is done properly then

None of these

Four or five crops can be grown in a year with good harvest

Three or four crops can be grown in a year with good harvests

Two or three crops can be grown in a year with good harvests

None

10.

Weeds affect the crop plants by

competing for various resources of crops (plants) causing low availability of nutrients.

killing of plants in field before they grow.

all of these.

dominating the plants to grow.

None

11.

What is manure?

It is a natural material obtained by decaying plant and animal waste.

It is a semi synthetic material.

It can be both natural and synthetic.

It is a synthetic material prepared in laboratory.

None

12.

Cattle husbandry is done for the following purposes

(i) Milk production

(ii) Agricultural work

(iii) Meat production

(iv) Egg production

(iii) and (iv)

(i), (ii) and (iii)

(ii), (iii) and (iv)

(i) and (iv)

None

13.

Appropriate .......... can prevent the occurrence of infectious diseases and reduce the loss of poultry during an outbreak of diseases.

Vaccination

Food

Weight

None of the above

None

14.

The main canal is divided into branch canals having further distributaries to ____ fields.

Farming

All of the above

Composting

Irrigate

None

15.

The method of growing different crops alternatively on same piece of land is called _______________.

Rotation cropping

Multiple cropping

Mixed cropping

Inter cropping

None

Chapter 5- The Fundamental Unit of Life

Chapter 6 - Tissues

Chapter 12 – Improvement in Food Resources

Curriculum

Ncert - class -9 - Biology

Chapter 5- The Fundamental Unit of Life

Chapter 6 - Tissues

Chapter 12 – Improvement in Food Resources

PRACTICE TEST 2- CHAPTER 12 – CLASS 9