120 Biology Quiz Questions Answers – Learn about Biology

Biology Quiz Questions Nature and Scope of Biology – Biology Questions 1- 30

Stanford Department of Biology

1) What is ecosystem?
Answer: The entire living community and non-living factors of the environment together from the ecosystem.

2) Which form of science dealing with the study of structural and cultural traits of human beings?
Answer: Anthropology.

3) What are the two functional groups in an ecosystem?
Answer: Autotrophs and heterotrophs.

4) Where does the primary photo chemical reaction occur in chloroplast?
Answer: Quantasome.

5) What is exobiology?
Answer: It is the study of life in outer space.

6) What is the magnification of an electron microscope?
Answer: 100000

7) Which is the monocarpic plant which shows gregarious flowering once in 48 years?
Answer: Bamboo.

8) Write an example of serendipity.
Answer: Discovery of penicillin by Fleming.

9) What do you mean by Hydroponics?
Answer: Plant growth in liquid culture medium.

10) What is the technique of separation of disrupted cell components?
Answer: Fractionation.

11) What is EM?
Answer: Electron microscope.

12) Name two monocarpic plants which show gregarious flowering.
Answer: Bambusa tulda, Melocanna bambusoides.

13) Under what system, organisms are provided with scientific means?
Answer: Binomial nomenclature.

14) What is the name of that branch of Biology which devoted to identifying, naming and classifying organisms?
Answer: Taxonomy.

15) Who was the author of ‘Man’s place in nature’?
Answer: Huxley.

16) Both living and the non-living are made of same elements and are governed by the similar physical laws. In which respect are they different?
Answer: Level organization.

17) Expand the TMV.
Answer: Tobacco Mosaic Virus.

18) What is DNA?
Answer: Deoxyribonucleic acid.

19) What is Histology?
Answer: Histology is the study of tissues (Microscopic anatomy)

20) Which is the free living soil bacteria in fixes nitrogen?
Anatomy: Azotobacter.

21) What is Physiology?
Answer: Physiology is the study of structure and functions.

22) What is Cell Biology?
Answer: Cell Biology is the study of structure and reproduction of cells.

23) What do you mean by Genetics?
Answer: Genetics is the study of heredity and variations.

24) Write a Radio isotope.
Answer: I-131

25) How does the living and non-living resemble up to the level organization?
Answer: Molecules and compounds.

26) What number of chemicals are present in a cell?
Answer: About 5000.

27) Write an example of homeostasis.
Answer: Increased heart beat on running and sweating during exercise.

28) Which is called blue-print of information?
Answer: DNA.

29) Which cells are programmed to die during embryonic stage?
Answer: Vessel elements.

30) Why virus cannot be cultured in totally artificial medium?
Answer: Because it lacks machinery to use genetic information.

Learn about Biology – Quiz Questions Plant Kingdom – Biology Questions 31-60

31) What are seedless plants called?
Answer: Cryptogams.

32) What is Dendrology?
Answer: The study of trees called Dendrology.

33) Energy is converted from sunlight and released by what?
Answer: Respiration.

34) Name the process by which plants prepare their food.
Answer: Photosynthesis.

35) What is Tonoplast?
Answer: Tonoplast is the membrane around the plant vacuoles.

36) What is the other name of root cap?
Answer: Calyptra.

37) What is Anemophily?
Answer: It is the pollination by wind.

38) What is pollination?
Answer: The transference of pollen grain from the another of a flower to the stigma is known as pollination.

39) What is Clinostat?
Answer: Clinostat is an apparatus used to demonstrate photoperiodism.

40) Name the process by which terrestrial plant loses water?
Answer: Transpiration.

41) What is the term used for the occurrence of more than one type of morphologically different leaves on the same plant?
Answer: Heterophylly.

42) In which country the hormone gibberellin was discovered?
Answer: Japan.

43) Name the natural process involving loss of water from a plant in the form of liquid drops.
Answer: Guttation.

44) What is the technical name of the natural opening in the leaves meant for gaseous exchange?
Answer: Stomata.

45) What are Heliophytes and Sciophytes?
Answer: Heliophytes are plants that grow in full sunlight, Sciophytes are plants that grow in shade.

46) Name the four insectivorous plants.
Answer: 1. Drosera, 2. Dionaea, 3. Aldrovanda, 4. Utricularia.

47) What is the color of Carotene?
Answer: yellow.

48) What is the source of chemical energy during photosynthesis?
Answer: Adenosine Triphosphate (ATP)

49) What is the shape of chloroplast in spirogyra?
Answer: Ribbon shaped.

50) Which plant has the lifespan of 4000 years?
Answer: Gnetum.

51) Name the organelle where photosynthesis takes place?
Answer: Chloroplast.

52) What are the three kinds of plastids?
Answer: 1. Leucoplasts, 2. Chloroplasts, 3. Chromoplasts.

53) What is the other name for Nastic movement?
Answer: Sleep movement.

54) What is cladode?
Answer: The modification of stem to carry the function of leaf is called cladode. Example: Opuntia.

55) What is the male reproductive part of the flower known as?
Answer: Stamens.

56) Name the instrument used to demonstrate geotropism?
Answer: Clinostat.

57) What are the types of flagella noticed in Algae?
Answer: Whiplash, Tinsel.

58) What are Atrichous bacteria?
Answer: Bacteria which do not have flagella are called Atrichous bacteria.

59) What are the other names for dark reaction of photosynthesis?
Answer: Blackman’s reaction or Calvin cycle.

60) What is the most common nutritive tissue for the developing embryos in angiosperm known as?
Answer: Endosperm.

Biology Quiz Questions Animal Kingdom – Biology Questions 61-90

61) What is an animal?
Answer: The word animal comes from Latin, meaning breath or soul. It includes mammals, birds, reptiles, fish, frogs, clams, lobsters, insects, worms, and jelly-fish.

62) What are invertebrates?
Answer: They are a division of the animals which have no vertebral column.

63) Which is the biggest cell?
Answer: The egg of the bird ostrich.

64) Gave the names of three fur bearing animals?
Answer: The sable, a kind of antelope, mink and the arctic fox are fur bearing animals.

65) Which living animal has the longest lifespan?
Answer: Tortoise.

66) What is a flying fox?
Answer: It is a kind of bat.

67) Which is the largest marsupial?
Answer: Red kangaroo.

68) How do mammals communicate?
Answer: They communicate by sounds, touch, visual clues, and odor.

69) What is a viviparous?
Answer: A viviparous animal is one that gives birth to young ones.

70) What is Murrah?
Answer: It is a hybrid buffalo which is a high milk producer.

71) Which is the tallest living animal?
Answer: Giraffe.

72) Which is the biggest land animal?
Answer: African bush elephant.

73) How many species are there in mammals?
Answer: There are forty thousand species.

74) What is Pangolin?
Answer: It is a mammal which does not have teeth.

75) Which is the animal that never drinks water?
Answer: Kangaroo rat.

76) What is Herbivorous?
Answer: Herbivorous is the term used to describe plant eating animals.

77) Which are the mammals that lay eggs?
Answer: Spiny anteaters and the duck-billed platypus.

78) How far can a kangaroo jump?
Answer: It can cover a distance of 7 to 9 meters just in one jump.

79) Where is the metameric segmentation occur?
Answer: Annelida.

80) Why do animals have hair?
Answer: They help to retain the internally producing heat.

81) Which the animal that has a tongue longer than its body?

Answer: Chameleon.

82) Which animal has the biggest brain?
Answer: Sperm Whale.

83) What kind of animals lives underground?
Answer: Bees, badgers, earth worms, turtles and toads.

84) Which are the cats that have no tail?
Answer: The Manx and the Siamese.

85) Which animal is the fastest on foot?
Answer: Cheetah.

86) Why does the egg happen to be larger in size when compared to the other cells?
Answer: Because the food for the growth of the embryo is stored in egg.

87) Which is the aquatic animal with the most developed intelligence?
Answer: Dolphin.

88) What is the average length of dolphin?
Answer: 1.3 meter.

89) Name four animals which are put to work by man?
Answer: The donkey, the mule, the camel, the bullocks.

90) What is called an animal which eats human flesh?
Answer: Feline.

Biology Quiz Questions Inventions in Biology – Biology Questions 91-120

91) Who discovered penicillin?
Answer: Alexander Fleming.

92) Who discovered the vaccine for small pox?
Answer: Edward Jenner.

93) Won invented the stethoscope?
Answer: Dr. Rene Laennec.

94) Who discovered the bacterium which causes anthrax?
Answer: Robert Koch.

95) Who invented Golgi bodies?
Answer: Camillo Golgi.

96) Who first discovered cells?
Answer: Robert Hooke.

97) Who discovered the nucleic acid?
Answer? Miescher.

98) Who is called the father of modern biology?
Answer: Aristotle.

99) Who discovered insulin?
Answer: Sir Fredrick Grant Banting and J.J.R. Macleod.

100) Who was the inventor of cortisone?
Answer: Edward Calvin Kendall.

101) Who wrote the book origin of species?
Answer: Charles Darwin.

102) Who proposed the term Species?
Answer: John Ray in 17^th century.

103) Who proposed Germplasm theory?
Answer: August Weismann.

104) Who proposed biogenetic law?
Answer: Haeckel.

105) Who published the book Descent of the man?
Answer: Charles Darwin.

106) Who proposed the theory of Biogenesis?
Answer: Louis Pasteur.

107) Who coined the term Ecology?
Answer: German scientist Ernst Haeckel.

108) Who coined the word Ecosystems?
Answer: A.G Tansley in 1935.

109) Who coined the term Diapause?
Answer: Wheeler in 1893.

110) Who introduced the term Physiology?
Answer: Jean Fernel in 1552.

111) Who coined the term Vitamin?
Answer: Funk in 1912.

112) Who discovered O type of blood group?
Answer: Landsteiner.

113) Who founded the science of anatomy?
Answer: Galen.

114) Who is the first person to study the dissected human body?
Answer: Vesalius.

115) Name the scientist who proposed the theory of mutation.
Answer: Hugo de Vries.

116) Who discovered Endocrinology?
Answer: Bay Liss and Starling.

117) Who proposed the recapitulation theory?
Answer: Von Bear.

118) Who invented neurology?
Answer: Franz Joseph Gall.

119) Who discovered Radium?
Answer: Marie Curie.

120) What is the discovery of Louis Pasteur?
Answer: Vaccination of hydrophobia and the germ theory of disease.

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