Chapter 7: Weather, Climate and Adaptations of Animals to Climate

  Science

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Chapter 7: Weather, Climate and Adaptations of  Animals to Climate

  Class: VII

 

  Multiple Choice Questions

Question 1

The maximum and minimum temperature displayed daily in the weather bulletin refer to the –

(a) highest day temperature and lowest night temperature of the day.

(b) highest day temperature and highest night temperature of the month.

(c) temperature recorded at 12 noon and at mid night (00.00 hrs).

(d) average highest temperature of day and average lowest temperature of night.

 

Answer

(a)

 

Question 2

Out of the given definitions, which is the most appropriate definition of climate?

(a) Changes in weather conditions in a year.

(b) Average weather pattern of many years.

(c) Change in weather pattern in a few years.

(d) Weather conditions during summer.

Answer

(b)

Question 3

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

Answer

(c)

Question 4

Paheli went to a wildlife sanctuary where she saw dense vegetation of trees, shrubs, herbs and also a variety of animals like monkeys, birds, elephants, snakes, frogs, etc. The most likely location of this sanctuary is in the –

(a) temperate region

(b) tropical region

(c) polar region

(d) coastal region

Answer

(b)

Question 5

Given below are some adaptive features of animals:

(i) Layer of fat under the skin

(ii) Long, curved and sharp claws

(iii) Slippery body

(iv) Thick white fur

Which of them are the adaptive features of a polar bear?

(a) (i) only (b) (i) and (ii) only

(c) (i), (ii) and (iii) only (d) (i), (ii), and (iv) only

Answer

(d)

Question 6

Which of the following statement is incorrect for penguins?

(a) They huddle together

(b) They cannot swim

(c) They have webbed feet

(d) They have streamlined body

Answer

(b)

Question 7

Read the following environmental conditions of tropical rain forests.

(i) Hot and humid climate

(ii) Unequal lengths of day and night

(iii) Abundant rain fall

(iv) Abundant light and moisture

Identify the conditions from the above list that are responsible for the presence of large number of plants and animals in tropical rain forests.

(a) (i) and (ii) (b) (i) and (iii)

(c) (i), (iii) and (iv) (d) (ii) and (iv)

Answer

(c)

Question 8

The coldest region on earth is the –

(a) polar region

(b) tropical region

(c) temperate region

(d) coastal region

Answer

(a)

Question 9

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

Answer

(c)

Very Short Answer Questions

Question 10

"A fish dies when taken out of water whereas a wall lizard will die if kept under water." Mention the term used to describe such abilities that allow fish and lizard to survive in their respective habitats.

Answer

Adaptation.

Question 11

Give one example of an animal that can live both in water and on land.

Answer

Frog or any other amphibian.

 

Question 12

State whether the following statements are True or False. Correct the false statements.

(a) It is easy to predict weather rather than climate.

(b) Since very few prey are available, polar bear does not need to have strong sense of smell.

(c) Penguins stick together to fight the cold polar climate.

(d) Tropical rain forests are cool and humid throughout the year because of heavy rains all the time.

Answer

(a) False, it is easy to predict the climate rather than the weather.

(b) False, (since very few prey are available) polar bear need to have a strong sense of smell.

(c) True.

(d) False, tropical rain forests are hot and humid throughout the year because of heavy rains all the time.

 

Question 13

Unscramble the following words using the hints given against them.

(i) MATLICE (Hint: weather pattern in a region over a period of time)

(ii) AROPL (Hint: coolest region on earth)

(iii) TREHMEOMRET (Hint: used to measure temperature)

(iv) UHIDYTMI (Hint: feature of weather)

Answer

(i) Climate (ii) Polar (iii) Thermometer (iv) Humidity

 

Short Answer Questions

 

Question 14

Match the animals mentioned in Column I with their characteristic features given in Column II.

 

Answer

(a) (iv); (b) (ii); (c) (i); (d) (iii)

 

Question 15

Why is it difficult to predict the weather of a place while it is easy to predict its climate?

Answer

Weather is a complex phenomenon which can vary over a short period of time and thus is difficult to predict. It is easier to predict climate as it is the average weather pattern taken over a long time.

 

Question 16

Name two animals each that live in Polar region and Tropical rain forests.

Answer

Polar regions: polar bear/penguin/reindeer/musk oxen/any other.

Tropical rain forests: red eyed frog/elephants/lion tailed macaque/any other.

 

Question 17

Write two common adaptive features of a polar bear which help in keeping it warm.

Answer

Layer of fat under skin, thick white fur.

Question 18

Mention two adaptive features of penguin that help it in swimming.

Answer

Streamlined body, webbed feet.

 

Question 19

Differentiate between:

(i) Weather and climate

(ii) Humidity and rainfall

(iii) Climates of polar region and tropical rain forest

(iv) Maximum and minimum temperatures of the day

Answer

(i) Weather is the daily fluctuation in temperature, humidity, etc., while climate is the average weather pattern of a place.

(ii) Humidity indicates the wetness of a place due to amount of moisture in the atmosphere while rainfall is the drops of water that fall from clouds on the ground.

(iii) Polar region remains very cold for most part of the year whereas tropical rain forest is hot and humid.

(iv) Maximum and minimum temperatures of the day indicate highest and lowest recorded temperature, respectively.

 

Long Answer Questions

 

Question 20

Fill in the blanks in the paragraph given below.

Weather of a place is the day-to-day condition of the _____(a)_____ with respect to ____(b)____, _____(c)______, ____(d)______, _____(e)______ at that place, while climate is the _____(f)______ weather pattern taken over many years.

Answer

(a) atmosphere

(b) temperature

(c) humidity

(d) rainfall

(e) windspeed

(f) average

 

Question 21

Given below is a list of climatic conditions and some examples of animals. Read them carefully and place the items in the relevant columns as shown.

Penguin, Gorrila, Monkey, Reindeer, Assam, Greenland, Sun does not rise for six months, Hot and humid climate, Days and nights are almost equal in length throughout the year,

Winter temperature around –37°C, Western Ghats

 

Answer