MCQOPTIONS
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MCQOPTIONS
This section includes 50 Mcqs, each offering curated multiple-choice questions to sharpen your Biology knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
The modern man differs from the apes in [BHU2004] |
| A. | Protruding eyes |
| B. | Spare body hair |
| C. | Wearing of clothes |
| D. | Arms shorter than legs |
| Answer» E. | |
| 2. |
What kind of evidence suggested that man is more closely related with chimpanzee than with other hominoid apes [CBSE PMT2004] |
| A. | Evidence from fossil remains, and the fossil mitochosomes, DNA alone |
| B. | Evidence from DNA extracted from sex chromosomes, autosomes and mitochondria |
| C. | Evidence from DNA from sex chromosomes only |
| D. | Comparison of chromosomes morphology only |
| Answer» C. Evidence from DNA from sex chromosomes only | |
| 3. |
When the entire sole rests on the ground during walking as in case of a man, it is known as |
| A. | Plantigrade |
| B. | Digitigrade |
| C. | Perikaryon |
| D. | Hallux |
| Answer» B. Digitigrade | |
| 4. |
Which of the following was the transitional stage between apes and humans [AIIMS 2000] |
| A. | Homo habilis |
| B. | Homo erectus |
| C. | Australopithecus ramidus |
| D. | Australopithecus africanus |
| Answer» D. Australopithecus africanus | |
| 5. |
Pithecanthropus erectus fossil was found in[BHU 1995] |
| A. | China |
| B. | Japan |
| C. | Java |
| D. | Texas |
| Answer» D. Texas | |
| 6. |
The specific characters of human are |
| A. | Intelligence |
| B. | Erect body |
| C. | Sensibility |
| D. | All of the above |
| Answer» E. | |
| 7. |
Evolution is best defined as [CPMT 1984] |
| A. | Inheritance of acquired characters |
| B. | Descent by modifications |
| C. | Spontaneous generation |
| D. | Struggle for existence |
| Answer» C. Spontaneous generation | |
| 8. |
Thick skull, cranial capacity about 1075 c.c., low fore head, absence of chin and large canine were present in |
| A. | Java man |
| B. | Peking man |
| C. | Homo habilis |
| D. | Australopithecus |
| Answer» C. Homo habilis | |
| 9. |
Which one of the following ape is not seen in modern period |
| A. | Java ape man |
| B. | Gibbon |
| C. | Oranguton |
| D. | Gorilla |
| Answer» B. Gibbon | |
| 10. |
The prehistoric ancestor of man which existed during late pleistocene, is [CPMT 1982, 92] |
| A. | Australopithecus |
| B. | Zinjanthropus |
| C. | Neanderthal man |
| D. | Atlantic man |
| Answer» D. Atlantic man | |
| 11. |
The first probable fossil of man was [CPMT 1978; BHU 1985] |
| A. | Australopithecus |
| B. | Zinjanthropus |
| C. | Pithecanthropus |
| D. | Plesianthropus |
| Answer» B. Zinjanthropus | |
| 12. |
Which of the following is not vestigial in human [CBSE PMT 2000; J & K CET 2002; BHU 2004] |
| A. | Coccyx |
| B. | Nail |
| C. | Third molar |
| D. | Abdomen |
| Answer» C. Third molar | |
| 13. |
Which of the following is the most acceptable method determining the age of recent fossils |
| A. | Uranium lead method |
| B. | Radioactive carbon method |
| C. | Radiation of heat from the earth |
| D. | Sedimentation rate technique |
| Answer» C. Radiation of heat from the earth | |
| 14. |
The earliest site where human civilization and crop cultivation started was presumably |
| A. | Around Caspian and Mediterranean seas |
| B. | Around river Nile |
| C. | Chinese river valley |
| D. | All of these |
| Answer» B. Around river Nile | |
| 15. |
Vestigial organ in man is[CPMT 1992, 93, 94] |
| A. | Extra?abdominal muscles |
| B. | Thumb |
| C. | Conjunctiva |
| D. | Body hairs |
| Answer» E. | |
| 16. |
Parallelism is[CBSE PMT 1990] |
| A. | Adaptive divergence in evolution |
| B. | Adaptive convergence of widely different species in evolution |
| C. | Adaptive convergence of closely related species in evolution |
| D. | None of these |
| Answer» D. None of these | |
| 17. |
Geological evidence for most primitive mammal is found in [CPMT 1984] |
| A. | Central Africa |
| B. | China |
| C. | India (Shivalik hills) |
| D. | Australia |
| Answer» B. China | |
| 18. |
The precipitation method of blood tests for finding out the inter?relationship among different animalswas given by |
| A. | Haeckel |
| B. | Foxon |
| C. | L. de Vinci |
| D. | H.F. Nuttal |
| Answer» E. | |
| 19. |
Occurrence of vestigial organs is not explained by[DPMT 1993; JIPMER 1993] |
| A. | Theory of organic evolution |
| B. | Theory of special creation |
| C. | Scala naturae |
| D. | Natural classification system |
| Answer» C. Scala naturae | |
| 20. |
Founder of 'palaeontology' is |
| A. | Birbal Sahni |
| B. | Cuvier |
| C. | Dickersom |
| D. | Darwin |
| Answer» C. Dickersom | |
| 21. |
Homologous structures have [CPMT 1976, 83; AFMC 1985] |
| A. | Similar origin but similar or dissimilar functions |
| B. | Dissimilar origin but similar functions |
| C. | Dissimilar origin but dissimilar functions |
| D. | Dissimilar origin and dissimilar structures |
| Answer» B. Dissimilar origin but similar functions | |
| 22. |
Prototherians have evolved from |
| A. | Reptiles |
| B. | Birds |
| C. | Eutherians |
| D. | Amphibians |
| Answer» B. Birds | |
| 23. |
Earliest reptiles evolved in the period |
| A. | Ordovician |
| B. | Silurian |
| C. | Devonian |
| D. | Carboniferous |
| Answer» E. | |
| 24. |
Fossils are dated now by[CPMT 1975; AFMC 1980; MP PMT 1994, 2001] |
| A. | Stratigraphic position |
| B. | Amount of calcium residue |
| C. | Association with other animals |
| D. | Radioactive carbon \[({{C}^{14}})\] contents |
| Answer» E. | |
| 25. |
Connecting link between annelida and mollusca is [DPMT 2004] |
| A. | Neopilina |
| B. | Nautilus |
| C. | Glochidium larva |
| D. | Veliger larva |
| Answer» B. Nautilus | |
| 26. |
Which one illustrates palaeontological evidence in favour of oraganic evolution[CPMT 1978] |
| A. | Duck bill platypus |
| B. | Pappered moth |
| C. | Archaeopteryx |
| D. | Darwin's finches |
| Answer» D. Darwin's finches | |
| 27. |
Theory of natural selection was proposed by[MH-CET 2001; BCECE 2005; J&K CET 2005] |
| A. | Darwin |
| B. | Lamarck |
| C. | De Vries |
| D. | Theophrastus |
| Answer» B. Lamarck | |
| 28. |
Co?worker of Darwin was [CPMT 1977] |
| A. | Wallace |
| B. | Mendel |
| C. | Bateson |
| D. | Lamarck |
| Answer» B. Mendel | |
| 29. |
"Origin of Species'' was published in[CPMT 1974, 2002; Haryana PMT 2005] |
| A. | 1809 |
| B. | 1858 |
| C. | 1956 |
| D. | 1859 |
| Answer» E. | |
| 30. |
Which one of the following statements is correct regarding evolution of mankind [CBSE PMT 1997] |
| A. | Neanderthal man and Cro-Magnon man were living at the same time |
| B. | Australopithecus was living in Australia |
| C. | Homo erectus is preceded by Homo habilis |
| D. | None of these |
| Answer» D. None of these | |
| 31. |
Evolution is regarded as |
| A. | Theory |
| B. | Established fact |
| C. | Principle |
| D. | Hypothesis |
| Answer» D. Hypothesis | |
| 32. |
Present day mammals have their predecessor in [Pune CET 1998] |
| A. | Therapsids |
| B. | Diapsids |
| C. | Synapsids |
| D. | Anapsids |
| Answer» B. Diapsids | |
| 33. |
Which were dominant during mesozoic era[CPMT 1984] |
| A. | Pisces |
| B. | Ruling reptiles |
| C. | Birds |
| D. | Ruling mammals |
| Answer» C. Birds | |
| 34. |
Which of the following diseases are known to becaused by viruses? (In this item one or more of the answers given may be correct. Decide which are correct and mark the answer sheet according to the code) Burkitt's lymphoma Adult T?cell leukemia Phenyl ketonuria Code [MP PMT 1993] |
| A. | 1, 2 and 3 are correct |
| B. | Only 1 and 2 are correct |
| C. | Only 2 and 3 are correct |
| D. | Only 1 and 3 are correct |
| Answer» C. Only 2 and 3 are correct | |
| 35. |
Changes in the body form of some planktonic animals with seasonal changes in temperature are grouped under |
| A. | Anamorphosis |
| B. | Cyclomorphosis |
| C. | Metamorphosis |
| D. | Heteromorphosis |
| Answer» C. Metamorphosis | |
| 36. |
Mixture of oil in water forms an emulsion. If a protein is shaken up with such an emulsion |
| A. | The emulsion gets stabilized |
| B. | Protein molecules settle down |
| C. | Coalescence of oil particles takes place |
| D. | A thin film of protein molecules is formed on the surface |
| Answer» B. Protein molecules settle down | |
| 37. |
Molecules are always moving. Some molecules move faste than others,.........is a measure of their average velocity of movement |
| A. | Density |
| B. | Polarity |
| C. | Electronegativity |
| D. | Temperature |
| Answer» E. | |
| 38. |
The government sponsored programme for growing trees in towns and cities for aesthetic value is called [AMU 1999] |
| A. | Floriculture |
| B. | Agroforestry |
| C. | Social forestry |
| D. | Urban forestry |
| Answer» E. | |
| 39. |
Palynology is the study of [RPMT 1998] |
| A. | Roots |
| B. | Seeds |
| C. | Polination in plants |
| D. | Spores and pollen grains |
| Answer» E. | |
| 40. |
Branch of zoology dealing with similarities and differences between individuals related by descent is |
| A. | Genetics |
| B. | Eugenics |
| C. | Evolution |
| D. | Ecology |
| Answer» D. Ecology | |
| 41. |
The early stage human embryo distinctly possesses [AIIMS 2003] |
| A. | Gills |
| B. | Gill slits |
| C. | External ear (Pinna) |
| D. | Eye brows |
| Answer» C. External ear (Pinna) | |
| 42. |
What is the correct chronological sequence of human evolution |
| A. | Ramapithecus \[\to \] Australopithecus \[\to \] Homo erectus\[\to \] Neanderthal \[\to \] Homo sapiens sapiens |
| B. | Ramapithecus \[\to \] Homo habilis \[\to \] Homo sapiens sapiens \[\to \] Homo erectus |
| C. | Australopithecus\[\to \] Ramapithecus\[\to \]Homo habilis \[\to \] Homo sapiens sapiens |
| D. | Homo habilis \[\to \] Australopithecus \[\to \] Homo erectus \[\to \] Homo sapiens sapiens |
| Answer» B. Ramapithecus \[\to \] Homo habilis \[\to \] Homo sapiens sapiens \[\to \] Homo erectus | |
| 43. |
The cells of bacterium Stanphylococcus remain arranged in the form of [BVP 2002] |
| A. | Plate |
| B. | Cube |
| C. | Irregular |
| D. | Chain |
| Answer» D. Chain | |
| 44. |
Which of the following adaptations help in evolution |
| A. | Long term and heritable |
| B. | Short term and heritable |
| C. | Long term and nonheritable |
| D. | Short term and nonheritable |
| Answer» B. Short term and heritable | |
| 45. |
Which one of the following evidences does not favour the Lamarckian concept of inheritance of acquired characters [CBSE PMT 1994; BHU 2000; MH CET 2003] |
| A. | Melanization in peppered moth in industrial areas |
| B. | Presence of webbed toes in acquatic birds |
| C. | Lack of pigment in cave?dwelling animals |
| D. | Absence of limbs in snakes |
| Answer» D. Absence of limbs in snakes | |
| 46. |
Assertion : From evolutionary point of view, human gestation period is believed to be shortening. Reason : One major evolutionary trend in humans has been the larger head undergoing relatively faster growth rate in the foetal stage.[AIIMS 2004] |
| A. | If both the assertion and the reason are true and the reason is a correct explanation of the assertion |
| B. | If both the assertion and reason are true but the reason is not a correct explanation of the assertion |
| C. | If the assertion is true but the reason is false |
| D. | If both the assertion and reason are false |
| E. | If the assertion is false but reason is true |
| Answer» E. If the assertion is false but reason is true | |
| 47. |
Assertion : Darwin?s finches show a variety of beaks suited for eating large seeds, flying insects and cactus seeds. Reason: Ancestral seed-eating stock of Darwin?s finches radiated out from South American mainland to different geographical areas of the Galapagos Islands, where they found competitor-free new habitats. [AIIMS 2005] |
| A. | If both the assertion and the reason are true and the reason is a correct explanation of the assertion |
| B. | If both the assertion and reason are true but the reason is not a correct explanation of the assertion |
| C. | If the assertion is true but the reason is false |
| D. | If both the assertion and reason are false |
| E. | If the assertion is false but reason is true |
| Answer» B. If both the assertion and reason are true but the reason is not a correct explanation of the assertion | |
| 48. |
Assertion : Atavism is the reappearance of disappeared ancestral characters. Reason: Third molars and hair on body are examples of atavism. |
| A. | If both the assertion and the reason are true and the reason is a correct explanation of the assertion |
| B. | If both the assertion and reason are true but the reason is not a correct explanation of the assertion |
| C. | If the assertion is true but the reason is false |
| D. | If both the assertion and reason are false |
| E. | If the assertion is false but reason is true |
| Answer» D. If both the assertion and reason are false | |
| 49. |
Assertion : Homologous organs have common ancestry and similar function. Reason: Analgous organs have unlike origin and dissimilar function. |
| A. | If both the assertion and the reason are true and the reason is a correct explanation of the assertion |
| B. | If both the assertion and reason are true but the reason is not a correct explanation of the assertion |
| C. | If the assertion is true but the reason is false |
| D. | If both the assertion and reason are false |
| E. | If the assertion is false but reason is true |
| Answer» E. If the assertion is false but reason is true | |
| 50. |
Assertion : Primitive atmosphere was formed by the lightest atoms. Reason: The primitive atmosphere was reducing in nature. |
| A. | If both the assertion and the reason are true and the reason is a correct explanation of the assertion |
| B. | If both the assertion and reason are true but the reason is not a correct explanation of the assertion |
| C. | If the assertion is true but the reason is false |
| D. | If both the assertion and reason are false |
| E. | If the assertion is false but reason is true |
| Answer» C. If the assertion is true but the reason is false | |