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question_answer1)
Consider the following statements and select the option which correctly identifies true (T) and false (F) ones.
(i) North-East India receives very little rain throughout the year, so we can say that climate in North-East India is hot and dry. |
(ii) Thick layer of subcutaneous fat, thick skin and a dense feather cover in polar birds like penguins protect them from severe cold weather. |
(iii) Polar animals need to conserve water due to water scarcity. |
(iv) As we move higher up from sea level temperature becomes lower. |
A)
B)
C)
D)
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question_answer2)
Which of the following adaptations of polar bear are not meant for hunting prey and getting protection from predators?
(i) White colour of the fur |
(ii) Huge teeth |
(iii) Long hair between the pads on its feet |
(iv) Two thick layers of the fur |
(v) Sharp claws on each foot |
A)
(i) and (v) only done
clear
B)
(iii) and (iv) only done
clear
C)
(ii) and (iii) only done
clear
D)
(i) and (iv) only done
clear
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question_answer3)
Which of the following adaptations are shown by kangaroo rats?
(i) They possess blubber to insulate body. |
(ii) They need to drink lot of water and breathe at a slow rate to conserve water. |
(iii) They excrete very concentrated urine. |
(iv) They undergo aestivation to cope with heat. |
A)
(iii) and (iv) only done
clear
B)
(i), (iii) and (iv) only done
clear
C)
(ii), (iii) and (iv) only done
clear
D)
(ii) and (iii) only done
clear
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question_answer4)
Three species of fishes X, Y and Z with different body patterns are found in a lake. A predator who feeds on all these three fishes is introduced into the lake. Which of these fishes will be least affected?
A)
Fish Z because it lives near the ground. done
clear
B)
Fish V because it can show camouflage. done
clear
C)
Fish X because it lives near surface. done
clear
D)
All the three fishes will be equally affected. done
clear
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question_answer5)
Which of the following statements are incorrect regarding the given animals?
(i) Both X and Y possess streamlined body and webbed feet. |
(ii) Both are good swimmers. |
(iii) Y has a thick layer of fat under its skin with fur on its body, while X has thick skin and a layer of fat under its skin. |
(iv) Both live together in large numbers and huddle together to keep themselves warm. |
(v) Y has very strong sense of smell unlike X. |
A)
(ii) and (iv) only done
clear
B)
(i), (ii) and (iv) only done
clear
C)
(ii), (iii) and (v) only done
clear
D)
(iv) only done
clear
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question_answer6)
The given figure shows a turkey, a flightless bird. Why cannot a turkey fly?
(i) It has underdeveloped |
(ii) It is too heavy. |
(iii) It has hollow bones, |
(iv) It has very few feathers. |
A)
(ii) only done
clear
B)
(i) and (ii) only done
clear
C)
(ii) and (iv) only done
clear
D)
(i), (ii), (iii) and (iv) done
clear
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question_answer7)
Pick the odd out from each series given below and select the correct option.
(i) Elephant | Monkey | Red-eyed frog | Polar bear |
(ii) Loud voice | Bright colours | Strong tails | Wide and large paws |
(iii) Alaska | Nigeria | Canada | Norway |
(iv) Humidity | Rainfall | Soil | Wind speed |
A)
B)
C)
D)
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question_answer8)
Which of these is a behavioural adaptation?
A)
A hognose snake pretends as dead to trick the predator. done
clear
B)
A frog's light coloured belly makes it harder for a predatory fish to see it against sunlight on the water surface. done
clear
C)
The scarlet king snake looks very much like the poisonous coral snake. done
clear
D)
A treehopper on a leaf or twig resembles a thorn. done
clear
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question_answer9)
Refer to the given figure showing different temperature zones of the Earth and select the correct statement.
A)
Labelled parts P and U are the torrid zones. done
clear
B)
Labelled parts Q and Tare temperate zones. done
clear
C)
Labelled parts R and S are frigid zones. done
clear
D)
None of these done
clear
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question_answer10)
Read the following statements carefully and select the option which correctly identifies true (T) and false (F) ones.
(i) The seasonal movement of the complete population of animals from one area to another is termed migration. |
(ii) Heavy and solid bones help penguins to swim through water at a speed up to 15 miles per hour. |
(iii) Toucans have four clawed toes in each leg, two in front and two at the back. |
(iv) Most rainforests lie between the Tropic of Cancer and the Tropic of Capricorn, that is why they are often called as tropical rainforests. |
A)
B)
C)
D)
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question_answer11)
Select the incorrect match.
A)
Polar bear - Hibernation done
clear
B)
Tortoise - Aestivation done
clear
C)
Grasshopper - Camouflage done
clear
D)
Lion tailed macaque - Mimicry done
clear
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question_answer12)
Read the following statements.
(i) Polar bears have two thick layers of fur, as well as a layer of fat under the skin. |
(ii) At the poles, there is six months of day and six months of night. |
(iii) The day-to-day conditions of the atmosphere at a place with regard to factors like temperature, humidity, rainfall, speed and direction of wind, etc., is called the climate of that place. |
(iv) Seals have a thick deposition of fat, called blubber that protects them from the cold. |
Which of these statements are correct?
A)
(i) and (ii) only done
clear
B)
(i), (iii) and (iv) only done
clear
C)
(i), (ii) and (iv) only done
clear
D)
All of these done
clear
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question_answer13)
The organism in the given figure has a flattened body shape, This characteristic helps the organism to
A)
Survive for a long period without food done
clear
B)
Fly in the air done
clear
C)
Camouflage itself done
clear
D)
Crawl between crevices and spaces easily. done
clear
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question_answer14)
The figure shows an instrument which is used to measure ______.
A)
Earthquake done
clear
B)
Rainfall done
clear
C)
Wind speed done
clear
D)
Relative humidity done
clear
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question_answer15)
Read the following statements.
(i) In India, rain is mainly brought by two kinds of humidity-laden winds, ___ and ___. |
(ii) Scientists who study and predict weather are known as ___. |
(iii) The climate in Kerala is ___ and ____. |
Select the option which correctly fills the blanks in any two of these statements.
A)
(b) Geologists; (c) Hot, Dry done
clear
B)
(a) South-West monsoon, North-East monsoon; (c) Hot, Wet done
clear
C)
(a) South-East monsoon, North-West monsoon; (b) Meteorologists done
clear
D)
(a) South-East monsoon, North-West monsoon; (b) Geologists done
clear
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question_answer16)
The lizard is well-adapted to live in human dwellings. Which function of its adaptations is incorrectly described?
A)
B)
C)
D)
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question_answer17)
Consider the following statements each with one or two blanks.
(i) Camel's skin does not possess__ glands. |
(ii) The Siberian crane migrates from Russia to India as the ___ approach. |
(iii) Many birds living in polar regions__ to warmer regions in winters. |
(iv) The places near the equator are usually__ because near the equator Sun's rays fall__. |
Fill up the blanks by selecting the correct option.
A)
B)
C)
D)
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question_answer18)
Refer to the given Venn diagram and select the correct statements regarding animals X, Y and Z.
(i) Y can close its nostrils and remain underwater for long duration. |
(ii) X possess glands under the eyes that help the body to get rid of excess salt. |
(iii) Blubber is present under the skin of X and Z which protects them from cold. |
(iv) X and Yare adapted to live in extremely cold climate of polar regions. |
(v) V live in groups and huddle together to keep themselves warm. |
(vi) Z camouflage with the surrounding to avoid predators. |
A)
(i), (ii), (iv) and (vi) only done
clear
B)
(i), (iii), (iv), (v) and (vi) only done
clear
C)
(ii), (iii), (iv) and (v) only done
clear
D)
(i), (ii), (iii) (iv), (v) and (vi) done
clear
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question_answer19)
Read the given passage.
The land near the equator is colder than the land away from it. Near the equator Sun's rays fall vertically. As the latitude increases, the rays become more and more slanting. Vertical rays spread over a larger land area than slanting rays. Also, they pass through a thicker layer of the atmosphere which absorbs a large part of their heat. Hence, the land near the equation -gets heated up lesser by the Sun than the land away from it, in a given time.
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Some of the words have been italicized in the given passage. Select the Incorret statement regarding these.
|
A)
The words colder and lesser need not to be replaced as they are correctly mentioned. done
clear
B)
Larger should be replaced by smaller done
clear
C)
Thicker should be replaced by thinner. done
clear
D)
None of these done
clear
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question_answer20)
Refer to the given flow chart and select the option which correctly identifies P, Q,
A)
B)
C)
D)
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