Q.I State whether the following statements are true or false. If false, correct the statements.
1. The day-to-day changes in the atmosphere is called its climate. (T/F)
2. The North-East region of India receives very less rainfall. (T/F)
3. Polar bear and Penguins are polar animals. (T/F)
4. The animals in the tropical rainforest have a thick layer of fat to help them adapt. (T/F)
5. The climate at higher altitude like at Himalayas is hotter. (T/F)
Ans:
1. False – The day to day changes in the atmosphere is called weather.
2. False – The north east region of India receives a lot of rain fall.
3. True
4. False – Animals in tropical rainforests do not have thick layer of fat as the temperature here is warm.
5. False – The climate at Himalayas is cooler.
Q.II Match the following :
Column A Column B
1) Red eyed frog a) webbed feets
2) Penguin b) long beak
3) Elephant c) sensitive hearing
4) Toucan d) sticky pads
5) Tiger e) modified teeth
Ans:
1) d 2) a 3) e 4) c 5) c .
Q.III Answer the following questions:
1. Differentiate between weather and climate :
Weather Climate
1) It is a day to day condition of atmosphere 1) It is the average weather pattern over
at a place. a long period of time.
2) It varies over a very short period of time. 2) It does not vary over a short period of time.
3) Adaptation in organism is not needed. 3) Adaptation in organism is needed to survive.
2. How is rainfall of a place measured?
Ans: Rainfall of a place is measured by an instrument called the rain gauge.
3. Name the countries that belong to the polar system?
Ans: Canada, Greenland, Iceland, Norway, Sweden, Finland, Alaska in U.S.A etc.
4. Name some countries which belong to tropical rainforests.
Ans: India, Malaysia, Indonesia, Brazil, Uganda, Nigeria, Kenya etc.
5. Name some animals that can live in the polar region
Ans: Penguin, polar bear, musk oxen, reindeers, foxes , seals, whales etc.
6. Give two adaptive features in each of the following :
a) Penguin b) Monkey c) Polar bear d) Lion e) Toucan
a) Penguin – i) thick skin ii) webbed feet
b) Monkey – i) long tails ii) modified hands and feet.
c) Polar bear – i) white fur ii) wide paws
d) Lion – i) thick skin ii) sensitive hearing
e) Toucan – i)long large beak ii) diet of fruits .