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
View Solution play_arrowquestion_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
View Solution play_arrowquestion_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
View Solution play_arrowquestion_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
View Solution play_arrowquestion_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
View Solution play_arrowquestion_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
View Solution play_arrowquestion_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
View Solution play_arrowA) 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
View Solution play_arrowquestion_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
View Solution play_arrowquestion_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
View Solution play_arrowquestion_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
View Solution play_arrowquestion_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
View Solution play_arrowquestion_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
View Solution play_arrowA) Squids done clear
B) Octopus done clear
C) Both of these done clear
D) None of these done clear
View Solution play_arrowquestion_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
View Solution play_arrowquestion_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
View Solution play_arrowquestion_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
View Solution play_arrowquestion_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
View Solution play_arrowquestion_answer19) An example of a predator is a
A) mouse done clear
B) lion done clear
C) rabbit done clear
D) deer done clear
View Solution play_arrowquestion_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
View Solution play_arrowA) Respiration done clear
B) Photosynthesis done clear
C) Transpiration done clear
D) None of these done clear
View Solution play_arrowquestion_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
View Solution play_arrowquestion_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
View Solution play_arrowquestion_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
View Solution play_arrowA) Cows done clear
B) Earthworm done clear
C) Fish done clear
D) None of these done clear
View Solution play_arrowquestion_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
View Solution play_arrowquestion_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
View Solution play_arrowquestion_answer28) Frog belongs to which category?
A) Terrestrial done clear
B) Aquatic done clear
C) Amphibious done clear
D) Aerial done clear
View Solution play_arrowquestion_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
View Solution play_arrowquestion_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
View Solution play_arrowquestion_answer31) Horse: Terrestrial: Tortoise: ________
A) Terrestrial done clear
B) Aquatic done clear
C) Amphibious done clear
D) Vertebrate done clear
View Solution play_arrowA) 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
View Solution play_arrowA) 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
View Solution play_arrowA) P only done clear
B) Q only done clear
C) P & Q done clear
D) R & S done clear
View Solution play_arrowA) Polar region done clear
B) Desert done clear
C) Rainforest done clear
D) Oceans done clear
View Solution play_arrowquestion_answer36) 
The plant shows
A) Phototropism done clear
B) Geotropism done clear
C) Photosynthesis done clear
D) Respiration done clear
View Solution play_arrowA) Habitat done clear
B) Adaptation done clear
C) Acclimatization done clear
D) Habit done clear
View Solution play_arrowA) holes done clear
B) stomata done clear
C) veins done clear
D) None of these done clear
View Solution play_arrowquestion_answer39) Earthworm breathes through
A) gills done clear
B) skin done clear
C) lungs done clear
D) stomata done clear
View Solution play_arrowquestion_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_arrowA) Mountain regions done clear
B) Grasslands done clear
C) Forests done clear
D) Deserts done clear
View Solution play_arrowA) mountain regions done clear
B) grasslands done clear
C) forests done clear
D) deserts done clear
View Solution play_arrowA) Lion done clear
B) Tiger done clear
C) Deer done clear
D) All of these done clear
View Solution play_arrowA) Dolphins done clear
B) Octopus done clear
C) Both of these done clear
D) None of these done clear
View Solution play_arrowA) Desert done clear
B) Terrestrial done clear
C) Aquatic done clear
D) None of these done clear
View Solution play_arrowquestion_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
View Solution play_arrowquestion_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
View Solution play_arrowquestion_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
View Solution play_arrowquestion_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
View Solution play_arrowquestion_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
View Solution play_arrowquestion_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
View Solution play_arrowquestion_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
View Solution play_arrowquestion_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
View Solution play_arrowquestion_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
View Solution play_arrowquestion_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
View Solution play_arrow| 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| 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| 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_arrowA) 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_arrowA) 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_arrowA) 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_arrowA) terrestrial habitat done clear
B) forest done clear
C) grassland done clear
D) All of the above done clear
View Solution play_arrowA) 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_arrowA) 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_arrowA) Whales done clear
B) Dolphin done clear
C) Fish done clear
D) All of these done clear
View Solution play_arrowA) 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_arrowA) 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_arrowA) 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_arrowA) 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_arrowA) 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_arrowA) 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_arrowA) 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_arrowquestion_answer73) What adaptations do the organism shown in figure have? 
A) Strong back legs done clear
B) Webbed feet done clear
C) Both (a) and (b) done clear
D) None of these done clear
View Solution play_arrowA) 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
View Solution play_arrowquestion_answer75) Look at the pictures below and tell which of the following is correct? 
A) and (ii) have deserts as their habitat done clear
B) lives in forest done clear
C) (iii) has grassland as its habitat done clear
D) (i), (ii) and (iii) have mountain range as their habitat. done clear
View Solution play_arrowquestion_answer76) Which of the following animals have nogills? 
A) Both (i) and (ii) done clear
B) Both (ii) and (iii) done clear
C) Both (i) and (iii) done clear
D) All of these done clear
View Solution play_arrowquestion_answer77) Select the one having streamlined bodies. 
A) Only A done clear
B) Only B done clear
C) Both A and B done clear
D) None of these done clear
View Solution play_arrow
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