“BIOLOGY”  TET MODEL QUESTIONS 

 

1. The natural home of an organism is called —

a) Shelter b) Habitat ✅ c) House d) Nest

👉 Habitat provides food, air, water, shelter & right conditions.

 

 

2. Animals living on land are called —

a) Terrestrial animals ✅ b) Aquatic animals c) Arboreal animals d) Epiphytes

👉 Example: Tiger, lion, elephant.

 

3. Plants growing in water are —

a) Mesophytes b) Xerophytes c) Hydrophytes ✅ d) Epiphytes

👉 Example: Lotus, water lily.

 

4. Polar bear has thick fur & fat mainly for —

a) Swimming b) Protecting from cold ✅ c) Running d) Camouflage

👉 Fat + fur insulate from freezing cold.

 

5. Camel is called “Ship of Desert” because —

a) Walks in desert b) Carries loads c) Stores water/fat d) All the above ✅

👉 Camels are specially adapted for desert life.

 

6. Plants storing water in stems with mucilage —

a) Cactus & Euphorbia ✅ b) Lotus & Lily c) Mango & Apple d) Pine & Fir

👉 Xerophytes reduce transpiration & store water.

 

7. Birds have hollow bones mainly to —

a) Increase strength b) Store calcium c) Reduce body weight ✅ d) Produce sound

👉 Hollow bones help in flight.

 

8. In rainforests, plants are mostly —

a) Deciduous b) Evergreen ✅ c) Xerophytes d) Aquatic

👉 Rainforests are warm & wet throughout the year.

 

9. The ability of living things to adjust to surroundings is —

a) Accumulation b) Adaptation ✅ c) Acclimatisation d) Migration

👉 Adaptation is essential for survival.

 

10. Penguins are found in —

a) Arctic b) Antarctic ✅ c) Himalayas d) Tundra

👉 Penguins are flightless aquatic birds.

 

11. NOT an adaptation of fish —

a) Gills b) Scales c) Hollow bones ✅ d) Streamlined body

👉 Hollow bones are in birds.

 

12. Long winter sleep of animals is —

a) Aestivation b) Hibernation ✅ c) Migration d) Adaptation

👉 Bears & frogs hibernate.

 

13. Long summer sleep of animals is —

a) Hibernation b) Migration c) Aestivation ✅ d) Accumulation

👉 Snails & lizards aestivate.

 

14. Mangroves have special roots called —

a) Fibrous b) Prop c) Stilt ✅ d) Aerial

👉 Stilt roots help breathing in muddy soil.

 

15. Which animals migrate from Russia to India?

a) Polar bears b) Siberian cranes ✅ c) Dolphins d) Penguins

👉 Siberian cranes migrate seasonally.

 

16. Arboreal animals live —

a) In water b) In air c) On trees ✅ d) Underground

👉 Example: Monkeys, squirrels.

 

17. Desert animal with scales —

a) Camel b) Snake ✅ c) Polar bear d) Frog

👉 Scales protect from heat & water loss.

 

18. Shifting from place to place for food —

a) Migration ✅ b) Adaptation c) Hibernation d) Modification

👉 Birds & fishes migrate seasonally.

 

19. Arboreal orchids are called —

a) Epiphytes ✅ b) Hydrophytes c) Xerophytes d) Mesophytes

👉 “Epi” = upon, “phyte” = plant.

 

20. Behavioural adaptation example —

a) Thick fur b) Long roots c) Migration of birds ✅ d) Scales

👉 Behavioural = migration, hibernation, aestivation.

 

21. Xerophytes are —

a) Water plants b) Desert plants ✅ c) Normal soil plants d) Epiphytes

👉 Eg: Cactus, euphorbia.

 

22. Desert plants reduce water loss by —

a) Broad leaves b) Waxy coating ✅ c) Hollow stems d) Deep stomata

👉 Thick cuticle prevents transpiration.

 

23. Water hyacinth is —

a) Lotus b) Eichhornia ✅ c) Euphorbia d) Cactus

👉 Eichhornia is a floating aquatic plant.

 

24. Tundra region is characterized by —

a) Rainfall b) Evergreen forests c) Snow plains ✅ d) Sandy deserts

👉 Tundra has snow most of the year.

 

25. Animal called “ship of desert” —

a) Horse b) Camel ✅ c) Yak d) Donkey

👉 Camels survive in deserts.

 

26. Polar bears are protected by —

a) Thin skin b) Fat & fur ✅ c) Strong bones d) Hollow legs

👉 Fat + fur insulate.

 

27. Example of mesophyte —

a) Mango ✅ b) Lotus c) Cactus d) Pine

👉 Grows in normal soil.

 

28. Migratory bird from Siberia to India —

a) Peacock b) Cuckoo c) Siberian Crane ✅ d) Parrot

👉 Comes in winter.

 

29. Arboreal means —

a) Living on trees ✅ b) In deserts c) Underground d) In water

👉 Arbor = tree.

 

30. Adaptation in fishes —

a) Gills ✅ b) Webbed feet c) Hollow bones d) Fur

👉 Gills extract oxygen.

 

31. Adaptation in bats for aerial life —

a) Hollow bones b) Streamlined body c) Forelimbs into wings ✅ d) Scales

👉 Bats are mammals with wings.

 

32. Nocturnal aerial creature —

a) Parrot b) Pigeon c) Bat ✅ d) Crow

👉 Bats are active at night.

 

33. Stilt roots are found in —

a) Mango b) Mangroves ✅ c) Neem d) Banyan

👉 Help in respiration.

 

34. Lotus shows adaptation —

a) Needle leaves b) Spines c) Floating leaves with upper stomata ✅ d) Roots in air

👉 Floating leaves breathe through upper stomata.

 

35. Example of epiphyte —

a) Mango b) Coconut c) Orchid ✅ d) Grass

👉 Orchids grow on trees.

 

36. Structural adaptation in desert animals —

a) Migration b) Long legs of camel ✅ c) Hibernation d) Aestivation

👉 Body features are structural.

 

37. Behavioural adaptation in animals —

a) Hollow bones b) Thick fur c) Migration of cranes ✅ d) Spines

👉 Behavioural = habits.

 

 

38. Hydrophyte example —

a) Mango b) Cactus c) Water lily ✅ d) Pine

👉 Water lily grows in water.

 

39. Penguin survival in Antarctic due to —

a) Feathers & fat ✅ b) Long neck c) Scales d) Hollow bones

👉 Fat + feathers insulate.

 

40. Amphibians live —

a) Only water b) Only land c) Both ✅ d) Underground

👉 Example: Frogs.

 

41. Coniferous trees —

a) Pine, Fir, Cedar ✅ b) Mango, Neem c) Lotus, Lily d) Grapes

👉 Needle leaves withstand cold.

 

42. Hilly animal with thick fur —

a) Camel b) Yak ✅ c) Penguin d) Crocodile

👉 Yak survives cold.

 

43. Grassland animals —

a) Zebra, Giraffe, Deer ✅ b) Camel, Snake c) Penguin, Whale d) Polar bear, Yak

👉 Grazing animals.

 

44. Rainforests are near —

a) Deserts b) Equator ✅ c) Poles d) Mountains

👉 Equatorial regions.

 

45. Burrow animals —

a) Rabbit, Mole, Ants ✅ b) Tiger, Lion c) Fish, Whale d) Yak, Goat

👉 They live underground.

 

46. Desert plant with fibrous roots —

a) Mango b) Cactus ✅ c) Coconut d) Lotus

👉 Roots absorb water.

 

47. NOT a desert adaptation —

a) Fat hump b) Long legs c) Thick fur ✅ d) Scales

👉 Thick fur is for cold.

 

48. Aerial adaptation —

a) Webbed feet b) Streamlined wings ✅ c) Spines d) Gills

👉 Streamlined helps flight.

 

49. Duck swims with —

a) Beak b) Webbed feet ✅ c) Hollow bones d) Fat

👉 Webbed feet paddle.

 

50. Whales survive by —

a) Gills b) Blowholes ✅ c) Scales d) Feet

👉 Whales breathe with lungs

 

🌍 TET Model Practice Paper – Habitats & Adaptations.

 

51. Seasonal behavioural change —

a) Long legs b) Spines of cactus c) Hibernation in winter ✅ d) Webbed feet

👉 Hibernation is a behavioural adaptation.

 

52. Structural modification in plants —

a) Migration b) Deep roots in desert ✅ c) Hibernation d) Aestivation

👉 Roots absorb underground water.

 

53. Mesophyte plant —

a) Mango ✅ b) Lotus c) Cactus d) Pine

👉 Mesophytes live in normal soil.

 

54. Aquatic plant with floating leaves & upper stomata —

a) Mango b) Lotus ✅ c) Cactus d) Pine

👉 Lotus leaves float and breathe through upper stomata.

 

55. Tundra animals survive by —

a) Thick fur & fat ✅ b) Webbed feet c) Hollow bones d) Blowholes

👉 Insulation protects them from cold.

 

56. Migratory bird —

a) Koel b) Siberian Crane ✅ c) Peacock d) Owl

👉 Siberian cranes migrate long distances.

 

57. Amphibian animal —

a) Snake b) Frog ✅ c) Whale d) Penguin

👉 Frogs live both in land and water.

 

58. Swimming adaptation in frogs —

a) Hollow bones b) Webbed feet ✅ c) Long tail d) Fur coat

👉 Webbed feet help in swimming.

 

59. Fish adaptation —

a) Gills & fins ✅ b) Hollow bones c) Feathers d) Fat coat

👉 Gills for breathing, fins for movement.

 

60. Hibernating animal —

a) Tiger b) Bear ✅ c) Camel d) Dog

👉 Bears hibernate in winter.

 

61. Cactus desert survival by —

a) Broad leaves b) Spines ✅ c) Hollow bones d) Fat

👉 Spines reduce water loss.

 

62. Evergreen forest habitat —

a) Desert b) Grassland c) Rainforest ✅ d) Polar region

👉 Rainforests are hot, wet, dense.

 

63. NOT a desert animal feature —

a) Long legs b) Fat hump c) Webbed feet ✅ d) No sweat glands

👉 Webbed feet are aquatic adaptation.

 

64. Camel prevents water loss by —

a) Fat hump b) Long eyelashes c) No sweat glands ✅ d) Long legs

👉 Camels do not sweat.

 

65. Polar region plants —

a) Mango & Neem b) Grass & Moss ✅ c) Pine & Cedar d) Coconut & Banana

👉 Only mosses and grasses grow.

 

66. Animals living in land & water —

a) Aerial b) Aquatic c) Amphibians ✅ d) Arboreal

👉 Example: Frogs.

 

67. Penguin adaptation —

a) Thick fur b) Feather coat with fat ✅ c) Blowholes d) Scales

👉 Feathers and fat insulate.

 

68. Common in dolphins & whales —

a) Gills b) Blowholes ✅ c) Spines d) Hollow bones

👉 Blowholes help breathing.

 

69. Arboreal relates to —

a) Grass b) Trees ✅ c) Water d) Air

👉 Arbor = tree.

 

70. Polar bear swimming adaptation —

a) Broad tail b) Webbed paws ✅ c) Blowholes d) Hollow bones

👉 Large paws help swimming.

 

71. Roots in banyan —

a) Tap b) Aerial prop roots ✅ c) Stilt d) Fibrous

👉 Prop roots support heavy tree.

 

72. Pine trees adaptation —

a) Needle leaves ✅ b) Floating leaves c) Spines d) Broad leaves

👉 Needle leaves reduce water loss.

 

73. Aquatic bird with oily feathers —

a) Parrot b) Crow c) Duck ✅ d) Pigeon

👉 Oil prevents feathers from wetting.

 

74. Hilly region animal —

a) Yak ✅ b) Camel c) Crocodile d) Zebra

👉 Yak survives cold hills.

 

75. NOT a feature of amphibians —

a) Moist skin b) Gills in adult stage ✅ c) Webbed feet d) Double life

👉 Adults use lungs + skin.

 

76. Streamlined bird for flight —

a) Duck b) Crow ✅ c) Hen d) Penguin

👉 Crow has streamlined body.

 

77. NOT a habitat —

a) Aquatic b) Terrestrial c) Arboreal d) Nutrition ✅

👉 Nutrition is a process.

 

78. Plant growing in land & water —

a) Coconut b) Lotus c) Mangroves ✅ d) Mango

👉 Mangroves live in estuaries.

 

79. Coastal habitat example —

a) Pine forest b) Desert c) Mangroves ✅ d) Tundra grass

👉 Mangroves in coastal areas.

 

80. Desert reptile —

a) Penguin b) Snake ✅ c) Polar bear d) Frog

👉 Snakes adapt with scales.

 

81. Cactus reduces transpiration by —

a) Needle leaves ✅ b) Floating leaves c) Prop roots d) Hollow stem

👉 Spines prevent evaporation.

 

82. Aquatic mammal —

a) Whale ✅ b) Penguin c) Shark d) Crocodile

👉 Whales breathe with lungs.

 

83. Free-floating aquatic plant —

a) Water hyacinth ✅ b) Lotus c) Mango d) Coconut

👉 Eichhornia floats on water.

 

84. Animal storing fat in hump —

a) Polar bear b) Camel ✅ c) Dolphin d) Yak

👉 Fat is used for energy.

 

 

85. Fish swimming faster due to —

a) Blowholes b) Streamlined body ✅ c) Hollow bones d) Webbed feet

👉 Streamlined body reduces resistance.

 

 

86. Hibernating amphibian —

a) Crocodile b) Frog ✅ c) Snake d) Dolphin

👉 Frogs hibernate in winter.

 

 

87. Flight adaptation in birds —

a) Fat layer b) Hollow bones ✅ c) Thick fur d) Spines

👉 Hollow bones reduce weight.

 

 

88. Frog catching prey with —

a) Long sticky tongue ✅ b) Hollow bones c) Blowholes d) Fat

👉 Sticky tongue flicks insects.

 

 

89. Camouflage in snowy regions —

a) Camel b) Polar bear ✅ c) Snake d) Frog

👉 White fur blends with snow.

 

 

90. NOT a migratory bird —

a) Siberian crane b) Arctic tern c) Penguin ✅ d) Flamingo

👉 Penguins do not migrate.

 

 

91. Tundra animals —

a) Camel, Snake b) Polar bear, Seal, Reindeer ✅ c) Zebra, Giraffe d) Yak, Tiger

👉 Thick fur & fat adaptation.

 

 

92. Example of aestivation —

a) Frogs winter sleep b) Snails summer sleep ✅ c) Bears hibernate d) Birds migrate

👉 Aestivation = summer sleep.

 

 

93. Mesophyte crop plant —

a) Paddy b) Mango c) Wheat d) All the above ✅

👉 All grow in normal soil.

 

 

94. Dolphin breathing adaptation —

a) Gills b) Blowholes ✅ c) Hollow bones d) Moist skin

👉 Dolphins breathe with lungs.

 

95. Desert camouflage animal —

a) Chameleon ✅ b) Camel c) Yak d) Penguin

👉 Chameleons change body colour.

 

96. Animal with lungs & moist skin respiration —

a) Whale b) Frog ✅ c) Fish d) Penguin

👉 Frogs use skin + lungs.

 

97. Common aquatic bird adaptations —

a) Oily feathers b) Webbed feet c) Hollow bones d) All ✅

👉 All help in water life.

 

98. Desert plant with flattened green stems —

a) Cactus ✅ b) Mango c) Pine d) Lotus

👉 Stem does photosynthesis.

 

99. Aerial life animals —

a) Monkeys, Squirrels b) Ducks, Frogs c) Bats, Birds, Insects ✅ d) Camels, Snakes

👉 Adapted for flying.

 

100. Defence adaptation in animals —

a) Fat b) Camouflage ✅ c) Migration d) Webbed feet

👉 Camouflage hides from enemies.

 

 

101. National animal of India —

a) Elephant b) Tiger ✅ c) Lion d) Leopard

👉 Stripes camouflage in forest.

 

 

102. Bird affected by climate change in Arctic —

a) Penguin b) Arctic Tern ✅ c) Crow d) Owl

👉 Migrates long distances, affected by melting ice.

 

 

103. Delhi Ridge forests help control —

a) Floods b) Urban heat ✅ c) Snowfall d) Tides

👉 Urban trees reduce heat.

 

 

104. Endangered animal due to Amazon destruction —

a) Camel b) Jaguar ✅ c) Polar bear d) Yak

👉 Jaguars live in rainforests.

 

 

105. Invasive aquatic plant in Hyderabad lakes —

a) Lotus b) Eichhornia ✅ c) Bamboo d) Coconut

👉 Eichhornia blocks sunlight.

 

 

106. Bird migrating from Central Asia to India —

a) Siberian Crane ✅ b) Hen c) Koel d) Parrot

👉 Migrates for breeding.

 

 

107. Desert solar farms adaptation —

a) Metal frames b) Tilted solar panels ✅ c) Spines d) Fur

👉 Tilted panels reduce heat stress.

 

 

108. Olive Ridley turtles come to Odisha for —

a) Food b) Breeding ✅ c) Camouflage d) Hibernation

👉 Migrate to lay eggs.

 

 

109. Nocturnal Indian bird —

a) Owl ✅ b) Peacock c) Parrot d) Crow

👉 Owls adapt with night vision.

 

 

110. Urban stray dog adaptation —

a) Camouflage b) Scavenging food ✅ c) Webbed feet d) Hollow bones

👉 Behavioural adaptation.

 

 

111. Indian wetland Ramsar site —

a) Chilika Lake ✅ b) Hussain Sagar c) Dal Lake d) Sambar Lake

👉 Hosts Siberian cranes, flamingos.

 

 

112. Polar animal threatened by global warming —

a) Polar bear ✅ b) Yak c) Penguin d) Camel

👉 Melting ice reduces hunting ground.

 

 

113. Human adaptation to high altitudes —

a) Hollow bones b) More RBCs ✅ c) Webbed feet d) Spines

👉 More RBCs carry oxygen.

 

 

114. “Oxygen factory” of oceans —

a) Lotus b) Mangroves c) Phytoplankton ✅ d) Cactus

👉 Phytoplankton produce 50% oxygen.

 

 

115. Indian reptile changing colour —

a) Monitor lizard b) Garden lizard ✅ c) Snake d) Tortoise

👉 Camouflage to escape predators.

 

 

116. Behavioural adaptation of sparrows —

a) Nests in houses ✅ b) Hollow bones c) Spines d) Fat

👉 Sparrows nest in buildings.

 

 

117. Indian desert of camels —

a) Thar ✅ b) Rann of Kutch c) Ladakh d) Sundarbans

👉 Camels adapt to hot dry Thar.

 

 

118. Wetland bird with long legs —

a) Crow b) Stork ✅ c) Hen d) Parrot

👉 Long legs help in wading.

 

 

119. Aquatic mammal in Indian rivers —

a) Whale b) Dolphin ✅ c) Seal d) Penguin

👉 Ganges dolphin lives in rivers.

 

 

120. Practice conserving habitats —

a) Deforestation b) Wildlife sanctuaries ✅ c) Pollution d) Hunting

👉 Sanctuaries protect animals.