PRACTICE TEST 2- CHAPTER 12

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

Horti-pastoral farming refers to:

Growing mixed crops.

Growing fruit trees and fodder simultaneously.

Growing fodder and rearing cattle.

Growing food and fodder.

None

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

Multiple cropping

Inter cropping

Mixed cropping

Rotation cropping

None

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

Weight

Vaccination

Food

None of the above

None

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

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

Phosphorus

Potassium

Iron

Nitrogen

None

What is manure?

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

It is a semi synthetic material.

It is a synthetic material prepared in laboratory.

It can be both natural and synthetic.

None

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

Increased production and storage of food grains

People should have money to purchase the grains

Easy access of people to the food grain

All of the above

None

Hybridisation refers to crossing between genetically ______ plants.

Identical

Similar

Dissimilar

All of the above

None

Which of the following are Indian cattle?

(i) Bos indicus

(ii) Bos domestica

(iii) Bos bubalis

(iv) Bos vulgaris

(iii) and (iv)

(ii) and (iii)

(i) and (ii)

(i) and (iii)

None

10.

If crop rotation is done properly then

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

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

None of these

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

None

11.

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

All of the above

Farming

Irrigate

Composting

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) and (iv)

(i), (ii) and (iii)

(ii), (iii) and (iv)

None

13.

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

Astronomy

Agronomy

Genetic engineering

Anatomy

None

14.

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.

(i) and (ii)

(i) and (iii)

(ii) and (iii)

(iii) and (iv)

None

15.

Find out the wrong statement from the following

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 of the above

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