General Science | Biology | Taxonomy

General Science | Biology | Taxonomy

1. Biologists have so far known, found and identified a large number of species in the plant and animal kingdom. In terms of numbers, the largest found and identified so far is from among the

Fungi
Plants
Insects
Bacteria

2. Warm-blooded animals are those which are able to keep their body temperature

Lower than environment
Higher than environment
Constant temp. all time
Equal to the atmospheric temp.

3. Which one of the following is a true fish?

Starfish
Jellyfish
Dogfish
Seahorse

4. Which is the largest mammal?

Whale
African Elephant
Hippopotamus
Polar bear

5. From which of following groups does the whale belongs?

Fishes
Mammals
Reptiles
Amphibians

6. Which one is a mammal?

Shark
Squid
Octopus
Whale

7. Which of the following species is the largest of the 'toothed-whales'?

Finback whale
Blue whale
Sperm whale
Humpback whale

8. Mammal capable in flying is

Jaguar
Ostrich
Pellican
Bat

9. Dolphins are classified in

Fish
Amphibians
Reptile
Mammals

10. From the following option, seal is the species of

Fish
Bird
Reptile
Mammal

11. Amphibia are

Very fastly moving boats
Animals living in water only
Animals living on land only
Animals living equally in water and on land both

12. Which of the following property separate a man/human from apes?

Envice a desire to learn
By a rudimentry sense of smell
Contrary thumb
Broader chin

13. Smallest man-like ape is

Gibbon
Chimpanzee
Gorilla
Orangutan

14. Nilgai belongs to the following family.

Cow
Goat
Sheep
Deer

15. Octopus is

An arthropod
An echinoderm
A hemichordate
A molluse

16. The largest invertebrate is

Octopus
Squid
Coral
Jellyfish

17. White leg-horn is a variety of

Parrot
Peacock
Fowl
Owl

18. Ticks and mites are actually

Arachnids
Crustaceans
Insects
Myriapods

19. Glow worm is

A mollusca
An insect
A worm
A nematode

20. Spiders are different from insects because they have

Six legs
Eight legs
Ten legs
Twelve legs

21. Which of the following group of animals are nocturnal animals?

Housefly, Bed bug, Parrot
Mosquito, Bats, Owl
Mosquito, Sparrow, Deer
Owl, Bats, Dog

22. Which one of the following animals stores water in the intestine?

Moloch
Camel
Zebra
Uromastix

23. Poison gland of snakes is homologous to

Electric organ of fishes
Stings of rays
Sebaceous glands of mammals
Salivary gland of vertebrates

24. Poisonous fangs of a snake are modified form of

Mandibular teeth
Palatine teeth
Canine teeth
Maxillary teeth

25. Plants growing on rocks are called

Epiphytes
Halophytes
Xerophytes
Lithophytes

26. Which one of the following is an insectivorous plant?

Passion flower plant
Pitcher plant
Night queen
Flame of the forest

27. Which one of the following parts of the pitcher plants becomes modified into a pitcher?

Stem
Leaf
Stipule
Petiole

28. To study meiosis in plants, the best part would be

Shoot apex
Root apex
Anthers
Leaf cells

29. Nependthes khasiana a rare and endangered plant is found in

Himachal Pradesh
Madhya Pradesh
Meghalaya
Uttar Pradesh

30. Turmeric is obtained from which part of the plant?

Root
Stem
Fruit
Cedrus

31. Which of the following is the eatable part of turmeric plant?

Root
Stem
Fruit
Flower

32. The type of fruit in which litchi can be placed in

Drupe
Hesperidium
Nut
One seeded berry

33. What is the botanical name of opium?

Emblica officinalis
Papaver Somniferum
Rauwolfia Serpentina
Cinchona Species

34. In a bisexual flower, if androecium and gynoecium mature at different times, the phenomenon is known as

Dichogamy
Herkogamy
Heterogamy
Monogamy

35. Which of the following underground produced vegetables is a modified root?

Potato
Sweet potato
Bandda
Jimikand

36. Which of the following is a stem?

Turnip
Ginger
Carrot
Sweet potato

37. Which one of the following is a modified stem?

Carrot
Sweet potato
Coconut
Potato

38. Potato is a

Root
Fruit
Tuber
Bulb

39. Which one of the following is a useful functional association between fungi and the roots of higher plants?

Biofertilizer
Coralloid root
Lichens
Mycorrhiza

40. Nitrogen fixing bacteria present in the nodules of the root of leguminous plant are

Symbiotic
Protolytic
Saprophytic
Parasitic

41. Peanut plant is

Herb
Flower
Bush
None of these

42. Stem cutting is done generally to grow

Banana
Sugarcane
Mango
Cotton

43. Clove is a

Buds of stem
Bales of root
Closed buds
Seed

44. Which one of the following spices is a flower bud?

Cumin
Clove
Pepper
Turmeric

45. 'Cloves' are

Nodules of stem
Nodules of roots
Leaves
Dried flowers

46. Cloves are obtained from which of the following parts of the plant?

Dried leaves
Dried stems
Dried seeds
Dried flower buds

47. Saffron is dried mixture of

Leaf and stem
Petals and roots
Seed forming parts of flower
Seeds and buds

48. Which of the following parts of potato is edible?

Stem
Seed
Root
Fruit

49. Which one of the following is a fruit?

Potato
Radish
Lady finger
Sweet potato

50. A plant bud is

An embryonic shoot
An embryonic leaf
An endosperm
A seed

51. Cork is obtained from which of the following plant?

Dalbergia
Cedrus
Quercus
Argemone

52. The characteristic odour of garlic is due to

A chloro compound
A sulphur compound
A fluorine compound
Acetic acid

53. Peeling of onions causes tears as onions release

Sulphonic acid
Sulfenic acid
Amino acid
Carbolic acid

54. The most important part of the plant in terms of life cycle

Flower
Leaf
Stem
Root

55. Pungency in chillies is due to the presence of

Lycopene
Capsaicin
Carotene
Anthocyanin

56. Red chillies are hot because these contain

Ricin
Capsaicin
Arecoline
Caffeol

57. At which stage in its life cycle, does the silkworm yield the fibre of commerce?

Egg
Larva
Pupa
Imago

58. Silkworm grows on

Reetha leaves
Ficus leaves
Peach leaves
Mulberry leaves

59. Quinine which is a major drug for malaria is obtained from

Angiosperm
Bacteria
Yeast
Algae

60. Quinine, the effective medicine in the treatment of malaria, is extracted from

Bark of Cinnamon
Bark of Cinchona
Leaves of Ocimum
Bark of Acacia Catechu

61. Quinine, used to treat malaria is obtained from which plant's part?

Leaf
Root
Bark
Flower

62. In which part of the cinchona plant quinine occurs naturally?

Root
Fruit
Seed
Bark

63. The Arteether medicine which is used to cure malaria is obtained from a

Seeded plant
Fungus
Bacteria
Algae

64. The drug obtained from the bark of cinchona was used for treating malaria. The synthetic drug which replaced the natural product is

Chloromycetin
Chloroquine
Tetracycline
Ampicillin

65. Which one of the following groups of organisms has significant in diagnosing the death by drowning?

Lichens
Protozoa
Cyanobacteria
Diatoms

66. The mulberry fruit is

Sorosis
Syconus
Samara
Nut

67. Leg-haemoglobin is found in

Human blood
Rabbit blood
Legume root nodules
Chicken blood

68. Canola refers to a special type of oilseed mustard varieties breed for human consumption. The main characteristic of these varieties is that the

Seeds have very high oil content
Oil is rich in unsaturated fatty acid
Oil has long shelf-life
Oil has very low uric acid content

69. Bacteria can be seen by

Naked eye
Compound microscope
Hand lens
Electron microscope

70. 'Spongy Tissue' is a serious disorder hampering the export of mango variety. It is

Alphonso
Dashehari
Neelum
Langra

71. Desert plants have longer root system because

High temperature of the soil stimulates the growth of roots
Roots grow in search of water
Soil does not contain water, hence becomes compact and presses the roots to grow longer
Roots moves opposite to the solar heat

72. Deserts have phreatophytes i.e., plants that have

Succulent stem (100-200 mm thick)
Lipid accumulation (20-30 mg) in leaves
Long (20-30 ft) tap roots
Small (2-3 mm) or spine-like leaves

73. Plants adapted to dry climate are known as

Epiphyte
Xerophyte
Hydrophytes
Mean plants

74. Desert plants are generally

Viviparous
Succulent
Herbaceous
Heterophyllous

75. Plants which grow on saline soils are

Xerophytes
Hydrophytes
Halophytes
Succulents

76. Epiphytes are plants which depend on other plants for

Food
Mechanical support
Shade
Water

77. The maximum amount of water, which plants need to grow that is absorbed by the following?

Embryonic zone
Growing point
Zone of elongation
Root hairs

78. A hydrophyte is

A marine animal
An aquatic plant
A plant disease
A rootless plant

79. The radiant energy absorbed by the plants results in

Photolysis of water
Oxidation of chlorophyll
Reduction of oxygen
Oxidation of carbon dioxide

80. Trophic level-I includes

Herbivorous animals
Carnivorous animals
Omnivorous animals
Green plants

81. A group of archaebacteria is used in the production of

Ethane
Methane
Acids
Alchohols

82. How do most insects respire?

Through skin
Through gills
By lungs
By tracheal system

83. Fishes survive under the frozen lake, because

Fishes have hot blood
Fishes are in hibernation under it
Water does not freeze near bottom
Ice is the conductor of heat

84. After bringing out of water fishes die because

They get excess quantity of oxygen
Their body temperature increases
They cannot breathe
They cannot move in water

85. Fish generally breathe through

Skin
Nose
Gills
Fins

86. Redness in apple is due to

Anthocyanin
Lycopene
Carotene
Xanthophyll

87. Red colour in tomato is due to

Capsaicin
Lycopene
Xanthophyll
None of these

88. The yellow colour of papaya is due to

Papain
Lycopene
Caricaxznthin
Carotene

89. Opium is obtained from which part of the poppy plant?

Flower
Leaves
Unripe fruits
Roots

90. Which of the following groups of living beings belong to the same species?

Chinese, American, Indians and Black Africans
Tigers, Lions and Cats
Pigeons, Doves and Partridges
Lizards, Crocodiles and Snakes

91. Yeast is an example of

Bacteria
Fungus
Virus
Algae

92. Yeast and mushrooms are

Algae
Gymnosperm
Fungi
Tuberous Roots

93. What is a mushroom?

Fungi
Plant
Animal
Bacteria

94. Mushroom used in for making juicy vegetable is a

Fungus
Algae
Green vegetable
Flesh of animal

95. Major component of cotton is

Protein
Fatty acid
Cellulose
Glycerene

96. Noscapine is obtained from

Poppy
Basii
Eucalyptus
Ephedra

97. Heroin is obtained from

Indian hemp
Opium poppy
Tobacco
Areca nut

98. We get morphine from

Flower
Leave
Fruit
Stem

99. Opium is obtained from

Dried leaves
Roots
Latex from unripe fruit
Latex from ripe fruit

100. The main constituent of opium is

Morphine
Heroin
Atropine
Quinine