7th Standard CBSE Science Weather, Climate and Adaptations of Animals to Climate Model Question Paper | QB365

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7th Standard CBSE Science Weather, Climate and Adaptations of Animals to Climate Model Question Paper

Published on: 06/08/2019

Weather, Climate and Adaptations of Animals to Climate

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Std: 7th Standard CBSE - Science

chapter: - Model Question paper

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Questions:

Generic 3

4 x 3 = 12

How does sun cause the changes in the weather?

Fill all the columns according to the data in the chart that you have prepared.

Write the factors which affect the climate of a particular place.

Following are some of the characteristics of animals
(a) Diets heavy on fruits
(b) White fur
(c) Need to migrate
(d) Loud voice
(e) Sticky pads on feet
(f) Layer of fat under skin
(g) Wide and large paws
(h) Bright colours
(i) Strong tails
(j) Long and large beak
For each characteristics indicate whether it is adaptation for tropical rainforests or polar regions. Do you think that some of these characteristics can be adopted for both regions?

Multiple Choice Question

10 x 1 = 10

Humidity in the air is generally high in:

(a)

Winter

(b)

Monsoon

(c)

Summer

(d)

All of these

The water vapour present in the air condense in the form of:

(a)

Rainfall

(b)

Fog

(c)

Snow

(d)

All of these

The climate in polar region is:

(a)

Extremely hot

(b)

Moderately hot

(c)

Extremely cold

(d)

Moderately cold

The climate found in Kerala is:

(a)

Very hot and wet

(b)

Wet

(c)

Hot and dry

(d)

Moderately hot and dry

The tropical desert climates is found in:

(a)

Rajasthan

(b)

Kerala

(c)

Kashmir

(d)

Delhi

10.

Choose the odd one from the following options.

(a)

Thick layer of fat under the skin

(b)

White fur

(c)

Long grasping tail

(d)

Wide and large feet with sharp claws

11.

The coldest region on the earth is the

(a)

polar region

(b)

tropical region

(c)

temperate region

(d)

coastal region

12.

Elephant has

(a)

long beak

(b)

large ears

(c)

striped skin

(d)

fat layer under skin

13.

Which of the following briefly describes the desert climate?

(a)

Hot and humid

(b)

Dry and humid

(c)

Hot and dry

(d)

Hot and wet

14.

A carnivore with stripes on its body moves very fast while catching its prey. It is likely to be found in

(a)

polar regions

(b)

deserts

(c)

oceans

(d)

tropical rainforests

Fill up / 1 Marks

5 x 1 = 5

15.

Siberian crane migrates from Russia to ____________ (Rajasthan) in India.

16.

Weather of a place is the day to day condition of the _____ with respect to _____,_____,_____,_____, at that place, while climate is the _____, weather pattern taken over many years.

17.

The two regions of the earth with extreme climate conditions are ___________ and ______________

18.

A place receives very little rainfall and the temperature is high throughout the year, the climate of that place will be ___________ and ____________

19.

The average weather taken over a long time is called ____________

Generic 2

2 x 2 = 4

20.

How do we define climate of a place?

21.

Who are meteorologists?

True or False

5 x 1 = 5

22.

The weather reports are provided in newspapers.

(a)

False

(b)

True

23.

Penguins huddles together to keep themselves warm.

(a)

False

(b)

True

24.

The climate of south India is hot and dry.

(a)

True

(b)

False

25.

Lion-tailed macaque in found is desert.

(a)

True

(b)

False

26.

Lions and tigers are also called big cats.

(a)

False

(b)

True

1 Marks

5 x 1 = 5

27.

Do fishes and butterflies also migrate like birds?

28.

Who prepares the weather report?

29.

What is humidity?

30.

What about the times of sunrise and sunset?

31.

Can you guess when during the day we have the maximum temperature and when the minimum?

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Answers Key:

Generic 3

4 x 3 = 12

Sun is a huge sphere of hot gases burning at a very high temperature. The distance of the sun from us is very much. Even then the energy sent out by the sun is very large in amount. So, sun is the primary source of energy that causes change in the weather. Energy absorbed and reflected by the Earth's surface, oceans and atmosphere play an important role in determining the weather at any place.

Weather data of a week:

Date	Max.temp.(⁰C)	Min.temp (⁰C)	Min humidity (%)	Max humidity (%)	Rain fall (0C)
23.08.06	36.2	27.8	54	82	......
24.08.06	37.1	28.1	48	79	.......
25.08.06	36.6	28.2	45	85	........
26.08.06	36.8	27.1	56	91	........
27.08.06	35.1	24.7	61	95	5mm
28.08.06	33.6	24.1	71.5	100	15mm
29.08.06	35.0	24.7	63	87	........
30.08.06	35.6	24.1	63.5	86	.........

(Rainfall may not be recorded for all the days since it may not rain everyday. Leave the space for rainfall blank if the data 15 not available.)

The factors that affect the climate of a place are
(i) Temperature zone or latitude, i.e. amount of sunshine it receives or distance from equator.
(ii) Distance from sea.
(iii) Altitude or height above the sea level.
(iv) Humidity or the presence of moisture in air.
(v) Amount of precipitation received or rainfall.

Characteristics of animal	Adaptation for region
(a) Diets heavyon fruits	tropical rainforests
(b) Whitefur	polar regions
(c) Need to migrate	polar regions
(d) Loud voice	tropical rainforests
(e) Sticky pads on feet	tropical rainforests
(f) Layerof fat under skin	polar regions
(g) Wide and large paws	polar regions
(h) Bright colours	tropical rainforests
(i) Strong tails	tropical rainforests
(j) Long and large beak	tropical rainforests

Multiple Choice Question

10 x 1 = 10

(b)
Monsoon

(d)
All of these

(a)
Very hot and wet

(a)
Rajasthan

10.

11.

(a)
polar region

12.

(b)
large ears

13.

14.

(d)
tropical rainforests

Fill up / 1 Marks

5 x 1 = 5

15.

()
Bharatpur

16.

()
atmosphere
temperature
humidity
rainfall
wind speed
average

17.

()
tropical, polar region

18.

()
hot, dry

19.

()
climate

Generic 2

2 x 2 = 4

20.

The climate of a place is the actual average weather pattern of that place. The average weather pattern taken over a long time say 25 years is called the climate of the place.

21.

The scientist who prepares the weather reports are called meteorologist and the science is called meteorology.

True or False

5 x 1 = 5

22.