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question_answer1)
Select the characteristics that a plant adapt to survive in desert
A)
its leaves are modified into spines done
clear
B)
its stem is covered with thick waxy layer done
clear
C)
its root penetrate deep into the ground done
clear
D)
All of the above done
clear
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question_answer2)
The adaptations observed in animals living in mountain habitat are/is
A)
they have thick skin and fur done
clear
B)
they have scales on their bodies done
clear
C)
Both the above done
clear
D)
None of the above done
clear
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question_answer3)
Which of the following is not a long term adaptation?
A)
Feathers in a bird done
clear
B)
Tanning of skin done
clear
C)
Prehensile tail done
clear
D)
Stream lined body done
clear
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question_answer4)
Polar bear lives at
A)
north pole only done
clear
B)
south pole only done
clear
C)
both north pole and south pole done
clear
D)
both at north pole, south pole and also some forests done
clear
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question_answer5)
Select a process in which there is no increase in amount of carbon dioxide in air
A)
Breathing done
clear
B)
Respiration done
clear
C)
Photosynthesis done
clear
D)
Decay of vegetation done
clear
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question_answer6)
Which of the following is/are terrestrial habitats?
A)
Forests done
clear
B)
Grasslands done
clear
C)
Desert done
clear
D)
All of these done
clear
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question_answer7)
Which of the following are/is biotic components of a habitat?
A)
Lion done
clear
B)
Tiger done
clear
C)
Plants done
clear
D)
All of these done
clear
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question_answer8)
From amongst the following, select the a biotic components (i) Air (ii) Water (iii) Heat (iv) Sunlight
A)
and (ii) only done
clear
B)
(ii) and (iii) only done
clear
C)
(iii) and (iv) only done
clear
D)
All of these done
clear
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question_answer9)
Germination means
A)
the beginning of growth of a seed after a period of dormancy done
clear
B)
the beginning of a new plant from a seed done
clear
C)
Both the above done
clear
D)
None of the above done
clear
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question_answer10)
The long legs of a camel
A)
help it to move fast done
clear
B)
help it to keep its body away from heat of sand done
clear
C)
help it to defend itself from its enemies done
clear
D)
All of the above done
clear
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question_answer11)
In desert plants, the process of photosynthesis is carried out by
A)
leaves done
clear
B)
roots done
clear
C)
stems done
clear
D)
branches done
clear
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question_answer12)
In trees of mountain region, we generally find that
A)
they are cone shaped done
clear
B)
they have non-sloping branch done
clear
C)
they have needle like leaves done
clear
D)
only (a) and (c) are correct done
clear
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question_answer13)
A snow leopard
A)
has thick far on its body but not on its feet toes done
clear
B)
has thick far on its body including its feet and toes done
clear
C)
Both the above done
clear
D)
None of the above done
clear
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question_answer14)
Select an animal whose body is not streamlined, however when they move in water they make the body shape streamlined.
A)
Squids done
clear
B)
Octopus done
clear
C)
Both of these done
clear
D)
None of these done
clear
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question_answer15)
Which of the following is correct for frogs?
A)
They usually have ponds as their habitat. done
clear
B)
They have strong front legs. done
clear
C)
Both the above done
clear
D)
None of these done
clear
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question_answer16)
An instrument used for measuring the rate of transpiration is a
A)
Potometer done
clear
B)
Klinometer done
clear
C)
Hygrometer done
clear
D)
Osmometer done
clear
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question_answer17)
The sugar and starch content in leaves would beat its lowest
A)
at mid-morning done
clear
B)
in early afternoon done
clear
C)
in early evening done
clear
D)
at dawn done
clear
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question_answer18)
The rest period which many seeds undergo before they begin to grow is called
A)
Viability done
clear
B)
Germination done
clear
C)
Pollination done
clear
D)
Dormancy done
clear
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question_answer19)
An example of a predator is a
A)
mouse done
clear
B)
lion done
clear
C)
rabbit done
clear
D)
deer done
clear
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question_answer20)
On land the frog respires mainly by means of its
A)
skin done
clear
B)
lungs done
clear
C)
gills done
clear
D)
mouth done
clear
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question_answer21)
If a green leaf of a land plant is immersed in water, which of the following processes do not take place?
A)
Respiration done
clear
B)
Photosynthesis done
clear
C)
Transpiration done
clear
D)
None of these done
clear
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question_answer22)
The adaptation that helps a polar bear to locate its prey is _____.
A)
its very strong sense of smell done
clear
B)
its long, curved and sharp claws done
clear
C)
its white fur that is not easily visible in the snowy white back ground done
clear
D)
layer of fat under its skin done
clear
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question_answer23)
Which of the following adaptation is not shown by polar bear?
A)
Its body is streamlined. done
clear
B)
It has two thick layers of fur. done
clear
C)
It has long, curved and sharp claws. done
clear
D)
It has a layer of fat under the skin. done
clear
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question_answer24)
Select the incorrect statement. In cactus plants,
A)
the process of photosynthesis is generally carried out by leaves. done
clear
B)
the process of photosynthesis is generally carried out by stems. done
clear
C)
the stem is covered with a thick waxy layer. done
clear
D)
All of the above done
clear
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question_answer25)
In which of the following animals the breathing process is similar to that of human beings?
A)
Cows done
clear
B)
Earthworm done
clear
C)
Fish done
clear
D)
None of these done
clear
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question_answer26)
In earthworm the process of breathing occurs
A)
through its nose done
clear
B)
through its skin done
clear
C)
through its mouth done
clear
D)
None of these done
clear
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question_answer27)
Respiration in plants take place
A)
only during day time done
clear
B)
only during night time done
clear
C)
day and night done
clear
D)
only in presence of sunlight done
clear
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question_answer28)
Frog belongs to which category?
A)
Terrestrial done
clear
B)
Aquatic done
clear
C)
Amphibious done
clear
D)
Aerial done
clear
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question_answer29)
Frog catches its pery with the help of_____.
A)
teeth done
clear
B)
legs done
clear
C)
mouth done
clear
D)
tongue done
clear
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question_answer30)
What type of leaves are present in submerged plants?
A)
Spinous done
clear
B)
Narrow, long and thin done
clear
C)
Thick done
clear
D)
Having layer of wax like substance done
clear
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question_answer31)
Horse: Terrestrial: Tortoise: ________
A)
Terrestrial done
clear
B)
Aquatic done
clear
C)
Amphibious done
clear
D)
Vertebrate done
clear
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question_answer32)
Plants do not move from one place to another in search of food and shelter. Some plants like Mimosa (Touch-me-not) show leaf movements. A sunflower always faces the sun. From the above paragraph what can be concluded?
A)
Plants can move their body parts done
clear
B)
Plants response to stimulus done
clear
C)
Plants show locomotion done
clear
D)
Both (a) and (b) done
clear
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question_answer33)
When a seed is buried in the soil, in which direction will its root and stem grow? Root Stem
A)
Towards earth Away from earth done
clear
B)
Away from earth Towards earth done
clear
C)
Towards earth Towards earth done
clear
D)
Away from earth Away from earth done
clear
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question_answer34)
A camel is a desert animal. It shows many adaptations. Which of the following statements (P, Q, R & S) is incorrect? P - It has a hump where fat is stored. Q - It can stay without water for long time. R - It sweats a lot. S - It excretes large amount of urine.
A)
P only done
clear
B)
Q only done
clear
C)
P & Q done
clear
D)
R & S done
clear
View Solution play_arrow
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question_answer35)
A plant shows the following features roots are reduced in size stems are long stems have an spaces leaves are large and flat To which category does this plant belong to?
A)
Polar region done
clear
B)
Desert done
clear
C)
Rainforest done
clear
D)
Oceans done
clear
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question_answer36)
The plant shows
A)
Phototropism done
clear
B)
Geotropism done
clear
C)
Photosynthesis done
clear
D)
Respiration done
clear
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question_answer37)
Small changes take place in the body of a single organism over short period to overcome small problems due to changes in environment is called
A)
Habitat done
clear
B)
Adaptation done
clear
C)
Acclimatization done
clear
D)
Habit done
clear
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question_answer38)
Exchange of gases in plants take place through tiny pores on leaves called ______.
A)
holes done
clear
B)
stomata done
clear
C)
veins done
clear
D)
None of these done
clear
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question_answer39)
Earthworm breathes through
A)
gills done
clear
B)
skin done
clear
C)
lungs done
clear
D)
stomata done
clear
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question_answer40)
The structure marked X in the given picture is involved in
A)
Exchange of gases during respiration done
clear
B)
Release of water done
clear
C)
Exchange of gases during photosynthesis done
clear
D)
Both (a) and (c) done
clear
View Solution play_arrow
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question_answer41)
A plant that loses very little water through transpiration and has very small leaves is adapted to which of the following habitats?
A)
Mountain regions done
clear
B)
Grasslands done
clear
C)
Forests done
clear
D)
Deserts done
clear
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question_answer42)
The type of habitat that is very cold and windy and in some areas of which snowfall occurs in winters is
A)
mountain regions done
clear
B)
grasslands done
clear
C)
forests done
clear
D)
deserts done
clear
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question_answer43)
An animal that live in grasslands, has strong teeth for chewing hard plant stems and has long ears to hear movement of predators is
A)
Lion done
clear
B)
Tiger done
clear
C)
Deer done
clear
D)
All of these done
clear
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question_answer44)
It is an aquatic animal. It has no gills. They breathe in air through their nostrils or blow holes. It is
A)
Dolphins done
clear
B)
Octopus done
clear
C)
Both of these done
clear
D)
None of these done
clear
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question_answer45)
The stems of plant are long, hollow and light, and its root are much reduced in size. It is adapted to which one of the following habitats?
A)
Desert done
clear
B)
Terrestrial done
clear
C)
Aquatic done
clear
D)
None of these done
clear
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question_answer46)
Which of the following statement(s) is/are correct?
A)
Ponds, swamps and lakes are examples of aquatic habitats. done
clear
B)
There is no variations in the habitats located in different parts of the world. done
clear
C)
A biotic community consists of a single population. done
clear
D)
Sunlight and heat are biotic components of a habitat. done
clear
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question_answer47)
Which of the following statement(s) is/are correct?
A)
The body structure of a camel helps it to survive in a desert. done
clear
B)
The dung of camel is dry. done
clear
C)
Camels do not sweat. done
clear
D)
All of the above done
clear
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question_answer48)
Which of the following statement(s) is/are correct?
A)
Xerophytes refers to desert plants and animals. done
clear
B)
There are no roots in desert plants. done
clear
C)
Desert plants do not show the process of transpiration. done
clear
D)
In mountains regions we see different kinds of adaptations at different heights. done
clear
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question_answer49)
Which of the following statement (s) is/are correct?
A)
Lions have long claws in their back legs. done
clear
B)
Deer live in forests. done
clear
C)
Mountain goat has weak hooves. done
clear
D)
All of the above done
clear
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question_answer50)
Which of the following statement (s) is/are correct?
A)
Sea animals can move easily in water because they have a streamlined body. done
clear
B)
The body of octopus is streamlined. done
clear
C)
The body of squids is streamlined. done
clear
D)
All of the above done
clear
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question_answer51)
The aquatic plants are buoyant because
A)
their stems are soft and spongy containing air cavities done
clear
B)
they have hollow stalk and huge disc like leaves which help the plant to float on water done
clear
C)
Both the above done
clear
D)
None of these done
clear
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question_answer52)
How does burrowing habit help desert animals to survive hot and dry conditions?
A)
The holes and burrows are comparatively cooler and moist done
clear
B)
By remaining in burrows during day time done
clear
C)
Both the above done
clear
D)
None of these done
clear
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question_answer53)
How many parts are there in a stamen?
A)
1 done
clear
B)
2 done
clear
C)
3 done
clear
D)
4 done
clear
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question_answer54)
How many parts are there in a pistil?
A)
1 done
clear
B)
3 done
clear
C)
4 done
clear
D)
5 done
clear
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question_answer55)
How many mid-ribs are there in a leaf?
A)
1 done
clear
B)
2 done
clear
C)
3 done
clear
D)
4 done
clear
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question_answer56)
DIRECTION: Match Column-I with Column-II and select the correct answer using the code given below the columns.
| Column-I | Column-II |
| A. Habitat | (p) Plants |
| B. Biotic component | (q)Terrestrial habitat |
| C. Abiotic component | (r) Dwelling place of an organism |
| D. Desert | (s) Air |
A)
\[A\to (p);B\to (q);C\to (r);D\to (s)\] done
clear
B)
\[A\to (r);B\to (p);C\to (s);D\to (q)\] done
clear
C)
\[A\to (r);B\to (s);C\to (p);D\to (q)\] done
clear
D)
\[A\to (q);B\to (r);C\to (s);D\to (p)\] done
clear
View Solution play_arrow
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question_answer57)
DIRECTION: Match Column-I with Column-II and select the correct answer using the code given below the columns.
| Column-I | Column-II |
| A. Predator | (p) Frogs |
| B. Prey | (q) Lion |
| C. Ponds | (r) Deer |
| D. Fish | (s) Streamlined body |
A)
\[A\to (p);B\to (q);C\to (r);D\to (s)\] done
clear
B)
\[A\to (q);B\to (r);C\to (p);D\to (s)\] done
clear
C)
\[A\to (r);B\to (q);C\to (s);D\to (p)\] done
clear
D)
\[A\to (s);B\to (p);C\to (q);D\to (r)\] done
clear
View Solution play_arrow
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question_answer58)
DIRECTION: Match Column-I with Column-II and select the correct answer using the code given below the columns.
| Column-I | Column-II |
| A. Temporary adaptation | (p) Sage brush |
| B. Permanent adaptation | (q) Terrestrial habitat |
| C. Desert plant | (r) Presence of feathers in birds |
| D. Forests | (s) Tanning by sun |
A)
\[A\to (s);B\to (r);C\to (p);D\to (q)\] done
clear
B)
\[A\to (r);B\to (s);C\to (p);D\to (q)\] done
clear
C)
\[A\to (q);B\to (p);C\to (r);D\to (s)\] done
clear
D)
\[A\to (p);B\to (q);C\to (s);D\to (r)\] done
clear
View Solution play_arrow
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question_answer59)
DIRECTIONS: Read the passage(s) given below and answer the questions that follow. Passage - 1 The animals and plants of deserts live on the desert soil and breathe air from surroundings. In deserts only little water is available. In deserts days are quite hot and nights are quite cold. Desert rats dig holes to live with in because
A)
this offer a moist and cool home done
clear
B)
the rats like to live in holes done
clear
C)
rats have sharp teeth to dig holes done
clear
D)
All of the above done
clear
View Solution play_arrow
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question_answer60)
DIRECTIONS: Read the passage(s) given below and answer the questions that follow. Passage - 1 The animals and plants of deserts live on the desert soil and breathe air from surroundings. In deserts only little water is available. In deserts days are quite hot and nights are quite cold. Camel
A)
is a desert animal done
clear
B)
lives in burrows done
clear
C)
Both (a) and (b) done
clear
D)
None of the above done
clear
View Solution play_arrow
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question_answer61)
DIRECTIONS: Read the passage(s) given below and answer the questions that follow. Passage - 1 The animals and plants of deserts live on the desert soil and breathe air from surroundings. In deserts only little water is available. In deserts days are quite hot and nights are quite cold. The desert animals that dig holes and burrows in the sand and live with in ____.
A)
never come out of them done
clear
B)
come out of their burrows at night but remain inactive done
clear
C)
come out of their burrows during day and become active done
clear
D)
come out of their burrows during night and become active done
clear
View Solution play_arrow
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question_answer62)
DIRECTIONS: Read the passage(s) given below and answer the questions that follow. Passage - 2 A lion lives in forest. It is a strong animal. It has a light brown colour, long claws in their front leg that can be withdrawn inside the toes. It has eyes in front of its face. The habitat of a lion is
A)
terrestrial habitat done
clear
B)
forest done
clear
C)
grassland done
clear
D)
All of the above done
clear
View Solution play_arrow
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question_answer63)
DIRECTIONS: Read the passage(s) given below and answer the questions that follow. Passage - 2 A lion lives in forest. It is a strong animal. It has a light brown colour, long claws in their front leg that can be withdrawn inside the toes. It has eyes in front of its face. The light brown colour of lion helps it
A)
to hide in green grassland when it hunts for prey done
clear
B)
to hide in dry grassland when it hunts for prey done
clear
C)
Both (a) and (b) done
clear
D)
None of the above done
clear
View Solution play_arrow
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question_answer64)
DIRECTIONS: Read the passage(s) given below and answer the questions that follow. Passage - 2 A lion lives in forest. It is a strong animal. It has a light brown colour, long claws in their front leg that can be withdrawn inside the toes. It has eyes in front of its face. The eyes in front of the face of a lion allow it
A)
to see its prey even at night done
clear
B)
to have correct idea about the location of its prey done
clear
C)
to keep it alert and keep on eye on its prey done
clear
D)
All of the above done
clear
View Solution play_arrow
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question_answer65)
DIRECTIONS: Read the passage(s) given below and answer the questions that follow. Passage - 3 The fish and many other sea animals are adapted to live in sea. They have streamlined bodies which help them to move easily in water. These animals have gills which help them to use oxygen dissolved in water. Select the sea animal that have gills.
A)
Whales done
clear
B)
Dolphin done
clear
C)
Fish done
clear
D)
All of these done
clear
View Solution play_arrow
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question_answer66)
DIRECTIONS: Read the passage(s) given below and answer the questions that follow. Passage - 3 The fish and many other sea animals are adapted to live in sea. They have streamlined bodies which help them to move easily in water. These animals have gills which help them to use oxygen dissolved in water. Fish
A)
have slippery scales on their bodies done
clear
B)
have flat fins and tales done
clear
C)
Both (a) and (b) done
clear
D)
None of the above done
clear
View Solution play_arrow
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question_answer67)
DIRECTIONS: Read the passage(s) given below and answer the questions that follow. Passage - 3 The fish and many other sea animals are adapted to live in sea. They have streamlined bodies which help them to move easily in water. These animals have gills which help them to use oxygen dissolved in water. Dolphins and whales
A)
breathe in air through nostrils or blow holes. done
clear
B)
breathe in air when they swim near the surface of water. done
clear
C)
nostrils or blow holes are located in the upper parts of the body of dolphins and whales. done
clear
D)
All of the above done
clear
View Solution play_arrow
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question_answer68)
DIRECTIONS: The questions in this segment consists of two statements, one labelled as ?assertion 4? and the other labelled as ?reason R?. You arc to examine these two statements carefully and decide if the assertion A and reason R are individually true and if so, whether the reason is a correct explanation of the assertion. Select your answers to these items using codes given below. Assertion (A): The plants and animals that live on land are said to live in terrestrial habitat. Reason (R): Ponds, rivers, lakes, etc., are examples of terrestrial habitats.
A)
Both A and R are true and R is the correct explanation of A. done
clear
B)
Both A and R are true but R is not the correct explanation of A. done
clear
C)
A is true but R is false. done
clear
D)
A is false but R is true. done
clear
View Solution play_arrow
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question_answer69)
DIRECTIONS: The questions in this segment consists of two statements, one labelled as ?assertion 4? and the other labelled as ?reason R?. You arc to examine these two statements carefully and decide if the assertion A and reason R are individually true and if so, whether the reason is a correct explanation of the assertion. Select your answers to these items using codes given below. Assertion (A): Some a biotic factors like air, water, light and heat are very important for growth of plants. Reason (R): Some of the above a biotic factors are important for all living organisms.
A)
Both A and R are true and R is the correct explanation of A. done
clear
B)
Both A and R are true but R is not the correct explanation of A. done
clear
C)
A is true but R is false. done
clear
D)
A is false but R is true. done
clear
View Solution play_arrow
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question_answer70)
DIRECTIONS: The questions in this segment consists of two statements, one labelled as ?assertion 4? and the other labelled as ?reason R?. You arc to examine these two statements carefully and decide if the assertion A and reason R are individually true and if so, whether the reason is a correct explanation of the assertion. Select your answers to these items using codes given below. Assertion (A): Any animal which adapts itself against heat and water scarcity is well suited for desert conditions. Reason (R): In deserts only little water is available.
A)
Both A and R are true and R is the correct explanation of A. done
clear
B)
Both A and R are true but R is not the correct explanation of A. done
clear
C)
A is true but R is false. done
clear
D)
A is false but R is true. done
clear
View Solution play_arrow
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question_answer71)
DIRECTIONS: The questions in this segment consists of two statements, one labelled as ?assertion 4? and the other labelled as ?reason R?. You arc to examine these two statements carefully and decide if the assertion A and reason R are individually true and if so, whether the reason is a correct explanation of the assertion. Select your answers to these items using codes given below. Assertion (A): The leaves of desert plants are either absent, very small or they are present in shapes of spines. Reason (R): In deserts only little water is available.
A)
Both A and R are true and R is the correct explanation of A. done
clear
B)
Both A and R are true but R is not the correct explanation of A. done
clear
C)
A is true but R is false. done
clear
D)
A is false but R is true. done
clear
View Solution play_arrow
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question_answer72)
DIRECTIONS: The questions in this segment consists of two statements, one labelled as ?assertion 4? and the other labelled as ?reason R?. You arc to examine these two statements carefully and decide if the assertion A and reason R are individually true and if so, whether the reason is a correct explanation of the assertion. Select your answers to these items using codes given below. Assertion (A): Deer has strong teeth and long ears. Reason (R): The speed of deer helps them to run away from prey.
A)
Both A and R are true and R is the correct explanation of A. done
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B)
Both A and R are true but R is not the correct explanation of A. done
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C)
A is true but R is false. done
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D)
A is false but R is true. done
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question_answer73)
What adaptations do the organism shown in figure have?
A)
Strong back legs done
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B)
Webbed feet done
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C)
Both (a) and (b) done
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D)
None of these done
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question_answer74)
The plant shown in picture is a desert plant. Which of the following characteristics does it adapt to survive in deserts?
A)
its leaves are modified into spines done
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B)
its stem is covered with thick waxy layer done
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C)
its root penetrate deep into the ground done
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D)
All of the above done
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question_answer75)
A)
and (ii) have deserts as their habitat done
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B)
lives in forest done
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C)
(iii) has grassland as its habitat done
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D)
(i), (ii) and (iii) have mountain range as their habitat. done
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question_answer76)
A)
Both (i) and (ii) done
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B)
Both (ii) and (iii) done
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C)
Both (i) and (iii) done
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D)
All of these done
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question_answer77)
Select the one having streamlined bodies.
A)
Only A done
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B)
Only B done
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C)
Both A and B done
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D)
None of these done
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