Weather, Climate and Adaptations of Animals to Climate Class 7 Extra Questions and Answers Science Chapter 7

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Class 7 Science Chapter 7 Extra Questions and Answers Weather, Climate and Adaptations of Animals to Climate

Extra Questions for Class 7 Science Chapter 7 Weather, Climate and Adaptations of Animals to Climate with Answers

Weather, Climate and Adaptations of Animals to Climate Class 7 Extra Questions Very Short Answer Type

Question 1.
Who prepares the weather report?
Answer:
The weather reports are prepared by the Meteorological Department of the Govt.”

Question 2.
What causes the changes in weather?
Answer:
Sun.

Question 3.
When is the climate of a place called hot?
Answer:
If we find that the temperature at a place is high most of the time, then we Say that the climate of that place is hot.

Question 4.
When is the climate of a place called hot and wet?
Answer:
If there is also heavy rainfall alongwith heat on most of the days at the same place, then we can say that the climate of that place is hot and wet.

Question 5.
Name the location where climate is hot and dry.
Answer:
Rajasthan.

Question 6.
Name two countries where there is tropical rain forest.
Answer:
India, Brazil.

Question 7.
Name one polar animal.
Answer:
Penguin.

Question 8.
Which type of paws does a polar bear have?
Answer:
Wide and large.

Question 9.
What makes penguins good swimmers?
Answer:
Their bodies are streamlined and their feet have Webs, making them good swimmers.

Question 10.
Name one bird from Siberia that comes to-India.
Answer:
Siberian Crane.

Weather, Climate and Adaptations of Animals to Climate Class 7 Extra Questions Short Answer Type 1

Question 1.
Name the various information given on the weather report in newspaper.
Answer:
Maximum and minimum temperatures; time for sunrise, sunset, moonrise and moonset; maximum and minimum humidity, forecast, etc.

Question 2.
How is rainfall measured?
Answer:
Rainfall is measured by an instrument -called the rain gauge. It is basically a metallic measuring cylinder with a funnel on top to collect rainwater.

Question 3.
What is the climate in Rajasthan?
Answer:
In Rajasthan, the temperature is high during most part of the year. But during winter, which lasts only for a few months, the temperature is quite low. This region receives very little rainfall. This is the typical desert climate. It is hot and dry.

Question 4.
Name four countries in polar region.
Answer:
Canada, Greenland, Iceland, Norway.

Question 5.
What do birds in polar region do to survive in winter?
Answer:
The birds migrate to warmer regions when winter sets in. They come back after the winter is over.

Question 6.
Name the major types of animals found in rainforests.
Answer:
The major types of animals living in thejrainforests are monkeys, apes, gorillas, lions, tigers,elephants, leopards, lizards, snakes, birds uid insects.

Weather, Climate and Adaptations of Animals to Climate Class 7 Extra Questions Short Answer Type 2

Question 1.
How is average temperature of a month calculated?
Answer:
The mean temperature for a given month is found in two steps. First we find the average of the temperatures recorded during the month. Second, we calculate the average of such average temperatures over many years. That gives the mean temperature.

Question 2.
How do penguins adapt with polar climate?
Answer:
Adaptation of penguins to survive in polar region:

1. Penguins are white and merge well with the white background.
2. They also have a thick skin and a lot of fat to protect it from cold.
3. Penguins huddle together. This they do to keep warm.
4. Further, their bodies are streamlined and their feet have webs, making them good swimmers.

Weather, Climate and Adaptations of Animals to Climate Class 7 Extra Questions Long Answer Type

Question 1.
Write the adaptations in a polar bear that helps it to survive in extreme cold climate of polar regions.
Answer:

1. It has two thick layers of fur. These keep it warm in cold weather.
2. The fat insulates its body from cold and keeps it warm. It has a layer of fat under its skin.
3. It has long curved and sharp claws. These helps it to walk on ice.
4. Its predator and prey are unable to see it. The white fur not easily visible in the snowy white background.
5. It has a very strong sense of smell. It helps the bear to locate and catch its prey.

Question 2.
Write the features of lion-tailed macaque.
Answer:
Features of lion-tailed macaque:

1. Its most outstanding feature is the silver-white mane, which surrounds the head from the cheeks down to its chin.
2. It is a good climber and spends a major part of its life on the tree.
3. It feeds mainly on fruits. It also eats seeds, young leaves, stems, flowers and buds.
4. Since it is able to get sufficient food on the trees, it rarely comes down on the ground.
5. The lion-tailed macaque (also called Beard ape) lives in the rainforests of Western Ghats.

Question 3.
Why do rainforests support a wide variety of plants and animals? Discuss some of the adaptations of animals to the climate of these regions.
Answer:
The tropical rainforests support a wide variety of plants and animals due to continuous warmth and rain. Since the numbers are large, there is intense competition for food and shelter.
This made animals to develop new features which would allow them to survive in such an environment.
For example:

1. Many animals are adapted to living on the trees. Red-eye frog has developed sticky pads and monkeys have long tails.
2. As there is competition for food, some animals are adapted to get food not easily reachable, e.g., the bird Toucan possesses a long, large beak to reach distant fruits on fragile branches.
3. Many tropical animals have sensitive hearing sharp eyesight, thick skin and a skin colour which helps them to camouflage by blending with the surroundings. This is to protect them from predators.

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