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 food and fodder.

Growing fruit trees and fodder simultaneously.

Growing fodder and rearing cattle.

None

Weeds affect the crop plants by

all of these.

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

dominating the plants to grow.

killing of plants in field before they grow.

None

Find out the wrong statement from the following

None of the above

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

Blue revolution is meant for increase in fish production

White revolution is meant for increase in milk production.

None

Hybridisation refers to crossing between genetically ______ plants.

Identical

Similar

Dissimilar

All of the above

None

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

None of the above

Weight

Food

Vaccination

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.

(ii) and (iii)

(iii) and (iv)

(i) and (ii)

(i) and (iii)

None

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

All of the above

Composting

Farming

Irrigate

None

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

All of the above

Easy access of people to the food grain

People should have money to purchase the grains

Increased production and storage of food grains

None

Which of the following are Indian cattle?

(i) Bos indicus

(ii) Bos domestica

(iii) Bos bubalis

(iv) Bos vulgaris

(i) and (iii)

(ii) and (iii)

(iii) and (iv)

(i) and (ii)

None

10.

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

Astronomy

Anatomy

Agronomy

Genetic engineering

None

11.

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

Phosphorus

Nitrogen

Potassium

Iron

None

12.

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

None of these

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

None

13.

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

Inter cropping

Mixed cropping

Rotation cropping

Multiple cropping

None

14.

Cattle husbandry is done for the following purposes

(i) Milk production

(ii) Agricultural work

(iii) Meat production

(iv) Egg production

(ii), (iii) and (iv)

(iii) and (iv)

(i) and (iv)

(i), (ii) and (iii)

None

15.

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

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