Class-7 Subject-Social Science (Geography) Chapter-1 Slot-1 ENVIRONMENT

 EVENTS CONVENT HIGH SCHOOL

11/08/2021           CLASS-7             SESSION2021-22(SLOT-1)
Social science(geography)
Chapter-1
environment
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Question 1.Answer the following questions briefly.

 1.What is an ecosystem?

Ans.All plants, animals and human beings depend on their immediate surroundings. They are also interdependent on each other. This relation between the living organisms as well as the relation between the organism and their surroundings form an ecosystem.

 

2.What do you mean by the natural environment?
Ans.The natural environment consists of land, water, air, plants and animals. Thus, the natural environment refers to both biotic (plants and animals) and abiotic (land) conditions that exist on the earth.

 

3.Which are the major components of the environment?
Ans.The major components of the environment are—natural (land, air, water, living things), human-made (buildings, parks, bridges, roads, industries, monuments, etc.), and humans (individual, family, community, religion, educational, economic, etc).

 

4.Give four examples of a human-made environment.
Ans.Four examples of human-made environments—buildings, parks, bridges, and roads.

 

5.What is the lithosphere?
Ans.The lithosphere is the solid crust or the hard top layer of the earth. It is made up of rocks and minerals and covered by a thin layer of soil. It is an irregular surface with various landforms such as mountains, plateaus, plains, valleys, etc.

 

6.Which are the two major components of the biotic environment?
AnsPlants and animals are the two major components of a biotic environment,

 

7.What is the biosphere?
Ans.The biosphere is a narrow zone of the earth where land, water, and air interact with each other to support life. Thus, plant and animal kingdom together make biosphere, ie., the living world.

Question 2.Tick the correct answer.

1.Which is not a natural ecosystem?

(a) Desert

(b) Aquarium(√)

(c) Forest.

2.Which is not a component of the human environment?

(a) Land(√)

(b) Religion

(c) Community.

3.Which is a human-made environment?

(a) Mountain

(b) Sea

(c) Road. (√)

4.Which is a threat to the environment?

(a) Growing plant         
(b) Growing population(√)

(c) Growing crops.

Question 3. Match the following:

 

1.       Biosphere              (a)   the narrow zone where land, water, and air interact

2.       Atmosphere          (b)   blanket of air which surrounds the earth

3.       Hydrosphere       (c)   domain of water  gravitational  

4.       Environment      (d)    our surroundings

Question 4.Give reasons:Man modifies his environment

Plants and animals depend on each other.

 

1.Man modifies his environment in the following ways:

He cuts forests and clears land for agriculture, industries, and habitation.

He tills land for agriculture.

He uses the land to build buildings, roads, and railways.

He uses water.

He uses air for his survival.

He sets up industries, factories, etc.

He does numerous other activities for his life, making it comfortable.

 

2.Plants and animals depend on each other in the following ways:

Plants provide food to animals.

They, in the form of forests, provide shelter to wildlife.

Wildlife adds beauty to the forests.

Animals provide manure to plants for growth.

Animals also provide beauty to forests.

Dead animals also provide humus content.

 

Class-6 Subject-Social Science (Geography) Chapter-1 Slot-1 THE EARTH IN THE SOLAR SYSTEM

 EVENTS CONVENT HIGH SCHOOL

11/08/2021           CLASS-6             SESSION2021-22(SLOT-1)
SOCIAL STUDIES(GEOGRAPHY)
Chapter-1
THE EARTH IN THE SOLAR SYSTEM
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CHAPTER EXPLANATION 

I.Answer the following questions briefly.

(a) Differences between a planet and a star:
(a)

(b) What is meant by the ‘Solar System’?

(b) The term Solar System refers to the “family” of the Sun. The Sun is a star around which eight planets, among other celestial objects, revolve in orbits. This whole system of bodies is called the Solar System. The Sun is the “head” of this system.

(c) Name all the planets according to their distance from the sun.

(c) The list of planets in the order of their distance from the Sun is as follows:

Mercury

Venus

Earth

Mars

Jupiter

Saturn

Uranus

Neptune

(d) Why is the Earth called a unique planet?

(d) The Earth is regarded as a unique planet because of the following reasons:

It is the only planet known to support life. It has oxygen and water present in proportions that allow life to thrive.

It also has a temperature range that supports life.

The proportion of water present is about two-thirds of the surface of the earth when compared to land.

(e) Why do we see only one side of the moon always?

(e) One revolution of the moon around the earth takes about 27 days. Incidentally, the moon’s rotation about its own axis also takes nearly the same time. One day of the moon is equal to 27 Earth days. So only one side of the moon can be seen from the earth.

(f) What is the Universe?

(f) The Universe is the largest unit in which we live. It is a collection of galaxies. There is only one Universe and everything that exists in this Universe itself.

 

2. Tick the correct answer.

 (a) The planet is known as the “Earth’s Twin” is

(i)  Jupiter

(ii) Saturn

(iii) Venus.(√)

 

(b) Which is the third nearest planet to the sun?

(i) Venus

(ii) Earth(√)

(iii) Mercury.

 

(c) All the planets move around the sun in a

(i) Circular path

(ii) Rectangular  path

(iii) Elongated path(√)

 

(d) The Pole Star indicates the direction to the

(i) South

(ii) North(√)

(iii) East.

 

(e) Asteroids are found between the orbits of

(i)  Saturn and Jupiter

(ii) Mars and Jupiter(√)

(iii) The Earth and Mars.

 

 3. Fill in the blanks.

A group of stars forming various patterns is called a constellation

A huge system of stars is called galaxy

The moonis the closest celestial body to our earth.

The earth is the third nearest planet to the sun.

Planets do not have their own heat and light

 

Class-5 Subject-E.V.S(Science) Chapter-2 Slot-1 PLANT LIFE

 

EVENTS CONVENT HIGH SCHOOL
11/08/2021           CLASS-5             SESSION2021-22(SLOT-1)
E.V.S
Chapter-2
PLANT LIFE
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I. Answer the following questions:-

Question.1 Why does a plant produce many seeds?

Answer .1A plant produce many seeds so that enough seeds get a chance to grow into new plant

 Question .2What are the different ways by which plant reproduce

Answer .2Plants reproduce from seeds and from their body parts such as stem in leaves and roots.

 Question .3In what ways are plants useful to us

Answer .3Plants are major part of our environment our life is largely depends on plants plants give us medicines rubber tea coffee paper even the oxygen we need to keep our self alive is given out by plant

 Question .4What is germination what conditions are needed for it

Answer .4The development of seeds into a baby plant is called germination seeds need air water and sunlight to germinate.

 Question .5Why is dispersal of seed necessary name the agents of dispersal

Answer .5Seeds to be scattered far and whide so that they may have a chance of finding a suitable place to grow without overcrowding dispersal is done by natural agents like wind water animals birds and insects.

 Question .6What do crops give us

Answer .6Crops give us food and other useful substance.

 Question .7What is the difference between Rabi and kharif crops give examples?

Answer .7Crops that are grown in the summer seasons are called Hari crops crops grown in winter are called Rabi crops. Rice Jowar Bajra jhooth ham peanut millet maize and pulses are kharif crops.

 Question .8How should grain be stored after harvesting?

Answer .8They should be destroyed in dry waterproof and insects proof storage bins.