MCQOPTIONS
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MCQOPTIONS
This section includes 37 Mcqs, each offering curated multiple-choice questions to sharpen your Biology knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
Analogous organs are |
| A. | Similar in structure |
| B. | Similar in function |
| C. | Similar in structure and function both |
| D. | Organ are nonfunction |
| Answer» C. Similar in structure and function both | |
| 2. |
The scientist associated with formulation of modern theory of origin of life and having written origin of life was |
| A. | Oparin |
| B. | Huxley |
| C. | Lamark |
| D. | Darwin |
| Answer» B. Huxley | |
| 3. |
The concept of survival of the fittest as advanced by |
| A. | Charles Lyell |
| B. | Charles Darwin |
| C. | Herbert Spencer |
| D. | Alfred Russel Wallace |
| Answer» D. Alfred Russel Wallace | |
| 4. |
Russian scientist who proposed the theory of origin of life was |
| A. | Oparin |
| B. | Haldane |
| C. | Miller |
| D. | Fox |
| Answer» B. Haldane | |
| 5. |
Early atmosphere contained methane and other hydrocarbons they have been how replaced by |
| A. | Nitrogen |
| B. | Oxygen |
| C. | Carbon dioxide |
| D. | Hydrogen |
| Answer» D. Hydrogen | |
| 6. |
Convergent evolution is illustrated by |
| A. | Rat and dog |
| B. | Bacterium and protozoa |
| C. | Star fish and cuttle fish |
| D. | Dog fish and whales |
| Answer» E. | |
| 7. |
Which of the following book is most accepted world wide ? |
| A. | Philosophic zodogique |
| B. | Origin of life |
| C. | Origin of species |
| D. | Mutation and origin of species |
| Answer» D. Mutation and origin of species | |
| 8. |
Natural selection really means |
| A. | Struggle for existance |
| B. | Differential reproduction |
| C. | Survival of the fittest |
| D. | Elimination of the unfit |
| Answer» C. Survival of the fittest | |
| 9. |
Lamarekism fail to explain |
| A. | Degenerate eyes of cave inhabiting animals |
| B. | Long neck and fore limbs of Giraffe |
| C. | Lack of limbs in snakes |
| D. | Medicore ability of nobel laureate's children |
| Answer» E. | |
| 10. |
Earth originated in the past period of about |
| A. | 4.5 billion years |
| B. | 8.0 billion years |
| C. | 3 billion years |
| D. | 1 billion years |
| Answer» B. 8.0 billion years | |
| 11. |
Which ancestor of man for the first time began the bipedal locomotion ? |
| A. | Cromagnon man |
| B. | Australopithecus |
| C. | Java-opeman |
| D. | Peking man |
| Answer» C. Java-opeman | |
| 12. |
The early stage of human embryo distinctly possesses |
| A. | Gill |
| B. | Gill slits |
| C. | External ear |
| D. | Eyehrous |
| Answer» C. External ear | |
| 13. |
Wings of pigeon, bat and mosquito exhibit the phenomen on called |
| A. | Convergent evolution |
| B. | Divergent evolution |
| C. | Atavism |
| D. | All of these |
| Answer» B. Divergent evolution | |
| 14. |
Gene pool is |
| A. | Genotype of individuals of a polulation |
| B. | Different genes of all dividuals of a species |
| C. | Pool of artificially synthesised genes |
| D. | Gene of a genome |
| Answer» C. Pool of artificially synthesised genes | |
| 15. |
Life appeared first |
| A. | Soil |
| B. | Air |
| C. | Water |
| D. | Air and water both |
| Answer» D. Air and water both | |
| 16. |
Geographic and reproductive isolation bring about |
| A. | Extinction |
| B. | Over production |
| C. | Speiciation |
| D. | Competition |
| Answer» D. Competition | |
| 17. |
The first organism were |
| A. | Saprophytes Autotrophs |
| B. | Autotrophs |
| C. | Heterotrophs |
| D. | None of these |
| Answer» D. None of these | |
| 18. |
A true species in mauritius failed to reproduce because of the extinction of a fruit eating bird. Which one of the following was tat bird ? |
| A. | Dove |
| B. | Dodo |
| C. | Condor |
| D. | Skua |
| Answer» C. Condor | |
| 19. |
Homo sapien directly evolved from |
| A. | Perking man |
| B. | Java man |
| C. | Neanderthal |
| D. | Austrolopithecus |
| Answer» B. Java man | |
| 20. |
Evolutionary development of a species can be best studied by |
| A. | DNA analysis |
| B. | Finding age by carbon dating |
| C. | Studying fossils of this speices |
| D. | All of above |
| Answer» D. All of above | |
| 21. |
Homologous organ are |
| A. | Similar in structure |
| B. | Similar in function |
| C. | Similar in both structure and function |
| D. | Disimillar in structure |
| Answer» B. Similar in function | |
| 22. |
Human evolution is originated in |
| A. | Africa |
| B. | Jawa |
| C. | France |
| D. | China |
| Answer» B. Jawa | |
| 23. |
Most important theory of general biology was proposed by |
| A. | Mendal and Morgan |
| B. | Beadle and Tatum |
| C. | Watson and Crick |
| D. | Darwin and Wallace |
| Answer» E. | |
| 24. |
'Ontogeny repeats phylogeny' is the brief definition of |
| A. | Mutation theory |
| B. | Biogenetic law |
| C. | Darwinism |
| D. | Abiogenesis |
| Answer» C. Darwinism | |
| 25. |
Which of the following features is closely related specialy with the evolution of human ? |
| A. | Loss of tail |
| B. | Binocular vision |
| C. | Flat nails |
| D. | Shortening of jaws |
| Answer» B. Binocular vision | |
| 26. |
There is no life on moon because of absence of |
| A. | Water |
| B. | Oxygen |
| C. | Nitrogen |
| D. | Hydrogen |
| Answer» B. Oxygen | |
| 27. |
Tusks of elephant are |
| A. | Cannines |
| B. | Upper incisors |
| C. | Molar |
| D. | Lower incisors |
| Answer» E. | |
| 28. |
Who published the book 'Origin of species by natural selection in 1859' ? |
| A. | Lamarck |
| B. | Darwin |
| C. | Wallace |
| D. | Oparin |
| Answer» C. Wallace | |
| 29. |
Evolutionary history of an organism is known as |
| A. | Ontogeny |
| B. | Phylogeny |
| C. | Ancestry |
| D. | Paleontology |
| Answer» C. Ancestry | |
| 30. |
Which of the following all includes homologous organs |
| A. | Wing of butterfly, wing of a bird, and wing of bat |
| B. | Fore of butterfly, wing of birds, and fore limb of rabbit |
| C. | Thorocic leg of cockroach, hind leg of a frog and fore limb of rabbit |
| D. | Wing of a bird, wing of a bat and wing of a flying lizard. |
| Answer» C. Thorocic leg of cockroach, hind leg of a frog and fore limb of rabbit | |
| 31. |
Lamarck's theory of evalution is also called |
| A. | Survival of the fittest |
| B. | Special creation theory |
| C. | Inheritance of acquired characters |
| D. | None of the above |
| Answer» D. None of the above | |
| 32. |
Presence of gill in the tadpole of frog indicates that |
| A. | Fish evolved from frog like ancestor |
| B. | Frogs will nave gills in future |
| C. | Frogs evolved from gilled ancestor |
| D. | Fishes were amphibious in the past |
| Answer» D. Fishes were amphibious in the past | |
| 33. |
With reference to the evolution of living organism, which one of the following sequence is correct |
| A. | Octopus - Dolphin - Shark |
| B. | Pangolin - Tortoise - Hawk |
| C. | Salamander - Pythorn - Kangaroo |
| D. | Frog - Crab - Prawn |
| Answer» D. Frog - Crab - Prawn | |
| 34. |
In the context of organic evolution, the loss of limbs in snakes is explained by the phenomenon of |
| A. | Use and disuse of organs |
| B. | Adaptation to living in burrows |
| C. | Natural selection |
| D. | Inheritance of acquired charcters |
| Answer» B. Adaptation to living in burrows | |
| 35. |
Chose the correct sequence during formation of chemicals on early earth |
| A. | Ammonia, water, nucleic acid and protein |
| B. | Ammonia, protein, Carbohydrates and nucleic acid |
| C. | Ammonia, nucleic acid, protein and carbohydrate |
| D. | Protein, carbohydrate, water and nucleic acid |
| Answer» B. Ammonia, protein, Carbohydrates and nucleic acid | |
| 36. |
Fossilization can occur where |
| A. | Animals are buried by natural process |
| B. | Animals are destroyed by scavengers |
| C. | Animals are eaten by predators |
| D. | Animals are destroyed by environmental condition |
| Answer» B. Animals are destroyed by scavengers | |
| 37. |
Which one of following is a vestigeal organ in man ? |
| A. | Muscles ear lobe |
| B. | Teeth |
| C. | Illeum |
| D. | Ear lobe |
| Answer» B. Teeth | |