PRACTICE TEST 2- CHAPTER 12

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

Weeds affect the crop plants by

all of these.

dominating the plants to grow.

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

killing of plants in field before they grow.

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 (ii)

(i) and (iii)

(iii) and (iv)

None

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

Food

None of the above

Weight

Vaccination

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

Hybridisation refers to crossing between genetically ______ plants.

Dissimilar

Similar

Identical

All of the above

None

Horti-pastoral farming refers to:

Growing mixed crops.

Growing food and fodder.

Growing fodder and rearing cattle.

Growing fruit trees and fodder simultaneously.

None

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

Nitrogen

Phosphorus

Potassium

Iron

None

If crop rotation is done properly then

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

None of these

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

None

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

Easy access of people to the food grain

All of the above

People should have money to purchase the grains

Increased production and storage of food grains

None

10.

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

Genetic engineering

Agronomy

Astronomy

Anatomy

None

11.

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

12.

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

Farming

Composting

All of the above

Irrigate

None

13.

Cattle husbandry is done for the following purposes

(i) Milk production

(ii) Agricultural work

(iii) Meat production

(iv) Egg production

(i) and (iv)

(ii), (iii) and (iv)

(i), (ii) and (iii)

(iii) and (iv)

None

14.

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

Inter cropping

Rotation cropping

Mixed cropping

Multiple cropping

None

15.

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)

(i) and (iii)

(i) and (ii)

(iii) 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