NCERT Solutions for class 7 Science chapter 7 Weather, Climate and Adaptations of Animals to Climate are created by our team of subject experts with an objective to help students in their exam preparations. These books include the solution for all the questions given in the NCERT class 7 Science textbooks.
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Q-1) Name the elements that determine the weather of a place.
Ans.) The elements that determine the weather of a place are temperature, humidity, rainfall, wind-speed, etc.
Q-2) When are the maximum and minimum temperature likely to occur during the day?
Ans.) Generally, the minimum temperature of the day occurs during the morning time and the maximum temperature of the day occurs during the afternoon time.
Q-3) Fill in the blanks:
1) A place receives very little rainfall and the temperature is high throughout the year. The climate of that place will be _____ and ______.
2) The two regions of the earth with extreme climatic conditions are____ and ____.
3) The average weather over a long time is called ________.
1) Hot, Dry
2) Polar, Tropical regions
3) Climate of that place
Q-4) Indicate the type of the climate of the following areas:
1) Jammu and Kashmir;
3) North-east India;
1) Jammu and Kashmir – Somewhat hot and somewhat wet climate.
2) Rajasthan – Hot and dry climate.
3) North-east India – Wet climate
4) Kerala – very hot and wet climate
Q-5) Which of the two changes frequently, weather or climate?
Q-6) Following are some of the characteristics of animals:
a) Diets heavy on fruits
b) Need to migrate
c) Sticky pads on fruits
d) Wide and large paws
e) Strong tails
f) Long and large beak
g) White fur
h) Loud Voice
i) Layer of fat under skin
j) Bright Colours
For each characteristic, indicate whether it is an adaptation for tropical rainforests or Polar Regions. Do you think that some of these characteristics can be adapted for both regions?
Characteristics of animal’s adaption
a) Diets heavy on fruits – Tropical rainforests
b) Need to migrate – Polar regions
c) Sticky pads on fruits – Tropical rainforests
d) Wide and large paws – Polar regions
e) Strong tails – Tropical rainforests
f) Long and large beak – Tropical rainforests
g) White fur – Polar regions
h) Loud Voice – Tropical rainforests
i) Layer of fat under skin – Polar regions
j) Bright Colours – Tropical rainforests
Q-7) The tropical rainforests have a huge population of animals. Explain why it is so.
Ans.) The tropical rainforests have a huge population and wide variety of animals because tropical rainforests receive continuous rain and have a warm temperature.
Q-8) Explain with examples, why we find animals of certain kind living in particular climatic conditions.
Ans.) Animals are habituated to survive in the conditions in which they are living. To survive in a particular climatic condition, the animals have adapted certain features and habits. And these features and habits are also the reason for their evolution. This is why we find particular animals in particular climatic conditions.
For e.g. animals which are living in the Polar Regions are habituated to live in very cold climate. The reason they can be like this in a cold climate is, they have special characteristics like white fur, a layer of fat under the skin, large and wide paws for walking and swimming in the snow, strong sense of smell, etc.
Q-9) How do elephants living in the tropical rainforests adapt themselves?
Ans.) The elephant have adapted themselves in tropical rainforests in the following ways:
➔ Elephants have trunks which they use as nose, and which is the reason they have a strong smelling sense. Elephants also uses this trunk for lifting the food from ground to its mouth.
➔ An elephant’s incisors are modified teeth. These incisors can easily tear the bark of a tree, which they love to eat.
➔ Elephants have very long ears which help in hearing even the softest sounds. They also provide warmth in the humid climate of the tropical rainforests.
Q-10) Choose the correct option which answers the following questions:
A carnivore with stripes on its body moves very fast while catching its prey. It is likely to be found in:
a) Polar regions
c) Tropical rainforests
Ans.) (c) Tropical rainforests
Q-11) Which features adapt do polar bears to live in extremely cold climate?
a) A white fur, fat below skin, keen sense of smell.
b) A long tail, strong claws, white large paws.
c) White body, paws for swimming, gills for respiration.
d) Thin skin, large eyes, a white fur.
Ans.) a) A white fur, fat below skin, keen sense of smell.
Q-12) Which option best describes a tropical region?
a) Moderate temperature, heavy rainfall
b) Cold and humid
c) Hot and dry
d) Hot and humid
Ans.) (d) Hot and humid
The Central Board of Secondary Education or CBSE is one of the most preferred educational board of India. The schools affiliated with CBSE are advised to follow the NCERT curriculum and textbooks. NCERT textbooks are one of best study materials for the students of class 6th NCERT textbooks have all topics covered which are mentioned in the CBSE syllabus.
In this chapter the students will learn about the different types of weathers, climates, different types of climates. How living organisms adapt themselves in different climates. The polar regions and the tropical rainforests.
Apart from these students will also learn about different types of animals and birds living in different areas and climates.
To score good marks in the examination students should also solve previous year question papers and sample papers, solving the previous year questions papers will help the students to know about the difficulty level of the questions as well as the marking scheme.
Keep visiting BYJU’S for latest CBSE updates and notifications. At BYJU’S we also provide previous year questions and sample papers.