PRACTICE TEST 2- CHAPTER 12

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

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

Composting

Farming

Irrigate

All of the above

None

Hybridisation refers to crossing between genetically ______ plants.

Dissimilar

All of the above

Identical

Similar

None

Weeds affect the crop plants by

all of these.

killing of plants in field before they grow.

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

dominating the plants to grow.

None

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

Potassium

Iron

Phosphorus

Nitrogen

None

What is manure?

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

It is a synthetic material prepared in laboratory.

It is a semi synthetic material.

It can be both natural and synthetic.

None

Which of the following are Indian cattle?

(i) Bos indicus

(ii) Bos domestica

(iii) Bos bubalis

(iv) Bos vulgaris

(ii) and (iii)

(i) and (iii)

(iii) and (iv)

(i) and (ii)

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.

(i) and (ii)

(i) and (iii)

(iii) and (iv)

(ii) and (iii)

None

If crop rotation is done properly then

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

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

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

None of these

None

Find out the wrong statement from the following

None of the above

Blue revolution is meant for increase in fish production

White revolution is meant for increase in milk production.

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

None

10.

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

Weight

Food

Vaccination

None of the above

None

11.

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

Genetic engineering

Agronomy

Anatomy

Astronomy

None

12.

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

Multiple cropping

Rotation cropping

Mixed cropping

Inter cropping

None

13.

Horti-pastoral farming refers to:

Growing mixed crops.

Growing fruit trees and fodder simultaneously.

Growing food and fodder.

Growing fodder and rearing cattle.

None

14.

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

All of the above

Increased production and storage of food grains

Easy access of people to the food grain

People should have money to purchase the grains

None

15.

Cattle husbandry is done for the following purposes

(i) Milk production

(ii) Agricultural work

(iii) Meat production

(iv) Egg production

(i), (ii) and (iii)

(ii), (iii) and (iv)

(iii) and (iv)

(i) and (iv)

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