WBBSE Class 10 Life Science Chapter 4 Evolution And Adaptation MCQs

Question 21. The approximate age of the Earth is

1. 2.7 billion years
2. 3.5 billion years
3. 1.7 billion years
4. 4.6 billion years

Answer: 4. 4.6 billion years

Question 22. Life was first formed in

1. Sea
2. Rock
3. Another plant
4. Air

Answer: 1. Sea

Question 23. The most powerful proof of organic evolution is

1. Fossil
2. Homologous organ
3. Analogous organ
4. Vestigial organ

Answer: 1. Fossil

Life Science Class 10 MCQs Chapter 4 Solutions

Question 24. The biogenetic law was proposed by

1. Lamarck
2. Haeckel
3. Darwin
4. Hugo DeVries

Answer: 2. Haeckel

Question 25. The atmosphere of primitive earth consisted of

1. Methane, water, ammonia & hydrogen
2. Methane, ammonia & water
3. Methane, ozone, nitrogen & water
4. Nitrogen, hydrogen & water

Answer: 1. Methane, water, ammonia & hydrogen

Question 26. The wing of a bird and the wing of an insect is

1. Homologous organ
2. Analogous organ
3. Vestigial organ
4. None of the above

Answer: 2. Analogous organ

Question 27. The tendril of gourd and that of pea is

1. Homologous organ
2. Analogous organ
3. Rudimentary organ
4. None of the above

Answer: 2. Analogous organ

Question 28. The second molar in human beings is

1. Vestigial organ
2. Functional organ
3. Homologous organ
4. Analogous organ

Answer: 2. Functional organ

WBBSE Life Science Chapter 4 Evolution Solved MCQs

Question 29. The duration of chemical evolution is

1. 1 Billion years
2. 1.5 billion years
3. 2 Billion years
4. 2.5 billion years

Answer: 1. 1 Billion years

Question 30. The following plant is a living fossil

1. Pteris
2. Ginkgo
3. Pinus
4. Araucaria

Answer: 2. Ginkgo

Life Science Class 10 MCQs Chapter 4 Solutions

Question 31. The two groups of animals, whose characters are present in Peripetus are

1. Arthropoda and Mollusca
2. Annelida and mollusca
3. Arthropoda and Annelida
4. Annelida and cnidaria

Answer: 3. Arthropoda and Annelida

Question 32. The following reptile has 4 chambered heart

1. Garden lizard
2. Tortoise
3. Crocodile
4. Snake

Answer: 3. Crocodile

Question 33. The organ which has been reduced due to evolution is

1. Vestigial
2. Homologous
3. Functional
4. Analogous

Answer: 1. Vestigial

Question 34. The organs which are structurally similar and functionally different are called

1. Rudimentary organs
2. Homologous organ
3. Analogous organ
4. Vestigial organ.

Answer: 2. Homologous organ

Question 35. The following animal is an example of the missing link.

1. Cockroach
2. Archaeopteryx
3. Limulus
4. Lungfish

Answer: 2. Archaeopteryx

Question 36. The lungfish is advanced over other fishes apart from having lungs that they have

1. Additional fins
2. 4 Chambered heart
3. 3 Chambered heart
4. Cartilaginous body

Answer: 3. 3 Chambered heart

Class 10 Life Science MCQ With Answers

Question 37. The abdominal muscles in humans are

1. Homologous organ
2. Vestigial organ
3. Functional organ
4. Analogous organ

Answer: 2. Vestigial organ

Question 38. Some complex inorganic and organic compounds in the hot sea aggregated in different combinations forming

1. Protoplasm
2. Pre-cell
3. Post cell
4. Coacervates

Answer: 4. Coacervates

Question 39. The theory of use and disuse was denoted by

1. Lamarck
2. Darwin
3. Devry’s
4. Mendel

Answer: 1. Lamarck

Evolution Chapter MCQs With Detailed Solutions WBBSE

Question 40. The following statement which Darwin made but could not explain was

1. Natural selection
2. Survival of the fittest
3. Struggle for existence
4. Origin of new species

Answer: 4. Origin of new species

Question 41. Mutation theory was denoted by

1. Robert Hooke
2. Hugo DeVries
3. Darwin
4. Lamarck

Answer: 2. Hugo devries

Question 42. The following flower shows staminode

1. Chinarose
2. Palm
3. Mango male flower
4. Datura

Answer: 3. Mango male flower

Class 10 Life Science MCQ With Answers

Question 43. The following animal fossil shows the presence of characters of both reptiles and bird

1. Mesohippus
2. Lyginopteris
3. Archaeopteryx
4. Eohippus

Answer: 3. Archaeopteryx

Question 44. The following organ is vestigial in human being

1. Gall bladder
2. Liver
3. Appendix
4. Pineal body

Answer: 3. Appendix

Question 45. The scientific name of the present-day horse is

1. Eohippus
2. Merichippus
3. Pleiohippus
4. Equus

Answer: 4. Equus

Question 46. The name of the egg-laying mammal is

1. Limulus
2. Sphenodon
3. Platypus
4. Archaeopteryx

Answer: 3. Platypus

Question 47. The book called “philosophic zoologique” was written by

1. Devries
2. Lamarck
3. Correns
4. Darwin.

Answer: 2. Lamarck

Class 10 Life Science MCQ With Answers

Question 48. Stromatolites, the first found fossils, were of

1. Archaebacteria
2. Plantae
3. Cyanobacteria
4. Protozoa

Answer: 3. Cyanobacteria

Life Science MCQs On Adaptation For Class 10 Exams

Question 49. The process of evolution

1. Is a discontinuous process
2. Is a continuous process
3. Was continuous in the beginning but discontinuous now
4. Was discontinuous in the beginning but continuous now

Answer: 2. Is a continuous process

Question 50. The number of digits in the hind limb of eohippus is

1. One
2. Two
3. Three
4. Four

Answer: 3. Three

Question 51. The following fish is cartilaginous

1. Rohu
2. Katla
3. Shark
4. Hilsa

Answer: 3. Shark

Question 52. The phylum that joins invertebrates and vertebrates is

1. Echinodermata
2. Mollusca
3. Hemichordata
4. Urochordata

Answer: 3. Hemichordata

Question 53. The theory of homogeny was proposed by

1. Alexander
2. Oparin
3. Lamarck
4. Darwin

Answer: 2. Oparin

WBBSE Class 10 Life Science Multiple Choice

Question 54. The phylum showing a diploblastic body wall for the first time is

1. Protozoa
2. Poriferra
3. Cnidaria
4. Platyhelminthes

Answer: 3. Cnidaria

Question 55. Fossils were discovered for the first time by

1. Lamarck
2. Tenophen
3. Darwin
4. Devries

Answer: 2. Tenophen

Question 56. Biogenetic law states that

1. No two living organisms are alike
2. The favorable acquired characters are inherited
3. Phylogeny repeats ontogeny
4. Ontogeny repeats phylogeny

Answer: 4. Ontogeny repeats phylogeny

Question 57. The following organ of a plant is vestigial

1. Epicalyx
2. Filament
3. Pistillode
4. None of these

Answer: 3. Pistillode

WBBSE Class 10 Life Science Multiple Choice

Question 58. The venous heart is found in

1. Fishes
2. Frog
3. Reptiles
4. Bird

Answer: 1. Fishes

Question 59. Germplasm theory was propounded by

1. Darwin
2. Lamarck
3. Weisman
4. Hugo DeVries

Answer: 3. Weisman

Question 60. The tuber of potato and rhizome of turmeric is

1. Homologous organ
2. Analogous organ
3. Vestigial organ
4. None of the above

Answer: 1. Homologous organ

Question 61. Undifferentiated mass of cell is present in

1. Protozoa
2. Poriferra
3. Cnidaria
4. Ctenophora

Answer: 2. Poriferra

Question 62. An incomplete septum in the heart ventricle is found in

1. Amphibia
2. Reptilia
3. Aves
4. Mammalia

Answer: 2. Reptilia

Question 63. To justify that a fossil ‘a’ is older than ‘b’, which one of the following can be selected?

1. Fossil b is in deeper layers
2. Fossil b shows homology and analogy with a
3. Fossil a was found in deeper sedimentation
4. None of these

Answer: 3. Fossil a was found in deeper sedimentation

Question 64. Missing links are

1. Living organisms exhibiting characters of two different groups
2. Fossil forms exhibiting two different group characters
3. Incomplete fossil records
4. Mutated living organisms

Answer: 2. Fossil forms exhibiting two different group characters

WBBSE Class 10 Life Science Multiple Choice

Question 65. Which one of the following is a living fossil?

1. Coelacanth
2. Peripatus
3. Dodo
4. Dogfish

Answer: 1. Coelacanth

Question 66. Analogous organs have a

1. Common embryonic origin but performs different functions
2. Different embryonic origins and perform different functions
3. Common embryonic origin and perform similar functions
4. Different embryonic origins but perform similar functions

Answer: 4. Different embryonic origin but perform similar functions

Question 67. An organism which is an animal and plants

1. Virus
2. Bacteria
3. Euglena
4. Amoeba

Answer: 3. Euglena

Question 68. The unit of evolution is

1. Species
2. Individual
3. Population
4. Community

Answer: 3. Population

Question 69. Modern evolution theory involves

1. Natural selection
2. Genetic variations
3. Isolation
4. All of these.

Answer: 4. All of these.

Question 70. Darwin’s theory does not include

1. Natural selection
2. Evolution through inheritance
3. Struggle for existence
4. Survival of the fittest

Answer: 2. Evolution through inheritance

Objective Type Questions MCQs

Question 71. The Gas that was Absent In The environment during The Origin Of Life Is

1. Hydrogen
2. Oxygen
3. Methane
4. Ammonia

Answer: Oxygen

Question 72. The Feature Of Analogous Organs Is

1. Different In Origin And Functions Are Also Different
2. Different In Origin But Functions Are Same
3. Indicates Divergent Evolution
4. Identical In Origin And Structure

Answer: Different In Origin But Functions Are Same.

Question 73. Which One Of The Following Is The Intraspecific Struggle For The Same Food?

1. Struggle Between Vulture And Hyaena
2. Struggle Between Eagle And Kite
3. Struggle Among The Members Of Rohu Fish In Pond
4. Struggle Between Egret And Kingfisher

Answer: Struggle Among The Members Of Rohu Fish In Pond

Question 74. Which Of The Following Changes Did Not Occur During The Course Of the Evolution Of the Horse?

1. Lengthening Of Limbs
2. Increase In The Length And Thickness Of All Digits In Limbs
3. Increase In The Length And Thickness Of Only The Third Digit In Limbs
4. Increase In Size Of The Whole Body

Answer: Increase In The Length And Thickness Of All Digits In Limbs.

Question 75. According To The Opinion Of The Scientists, The Prebiotic Environment Of The Earth That Led To The Origin Of Life Was Like

1. Hot Dilute Soup In The Sea Water
2. Cold Dilute Soup In The Sea Water
3. Cold Dilute Soup In The River Water
4. Hot Dilute Soup In The Ground Water

Answer:  Hot Dilute Soup In The Sea Water

Question 76. Identify Which Of The Following Indicates Interspecific Struggle?

1. Struggle Among The Members Of Guppy Fish For Feeding On Mosquito Larvae
2. Struggle Between Snakes And Owls For Capturing Rats For Eating.
3. Struggle Within A Group Of Deer For Feeding On Grass At The Same Location
4. Struggle Between Tigers In A Jungle For Preying On Deer.

Answer: Struggle Between Snakes And Owls For Capturing Rats For Eating

WBBSE Class 10 Life Science Multiple Choice

Question 77. Determine The Term Related To The Theory Of Lamarck

1. Struggle For Existence
2. Origin Of Variation
3. Inheritance Of Acquired Characters
4. Natural Selection

Answer: Inheritance Of Acquired Characters

Question 78. Which of the following absorbs the gas of the swim bladder in bony fishes

1. Red gland
2. Anterior chamber
3. Gastric gland
4. Retia mirabilia

Answer: 4. Retia mirabilia

Question 79. Identify the animal that communicates information with other members of its own group through specific dancing patterns regarding the sources of food

1. Chimpanzee
2. Cockroach
3. Peacock
4. Honeybee

Answer: 4. Honeybee