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MCQOPTIONS
This section includes 14620 Mcqs, each offering curated multiple-choice questions to sharpen your NEET knowledge and support exam preparation. Choose a topic below to get started.
| 4501. |
According to spontaneous generation theory, the sequence of origin of life may be considered as [AFMC 1983; DPMT 1992] |
| A. | Amino acid? protein?chlorophyll |
| B. | Chlorophyll?starch?glycogen |
| C. | Nucleic acid? amino acid ? chlorophyll |
| D. | Chlorophyll ? nucleic acid ? amino acid |
| Answer» B. Chlorophyll?starch?glycogen | |
| 4502. |
Birds and mammals in geological development of earth arose in period [NCERT 1983] |
| A. | Permian |
| B. | Carboniferous |
| C. | Jurassic |
| D. | Oligocene and eocene |
| Answer» D. Oligocene and eocene | |
| 4503. |
The theory of evolution indicates that [AFMC 1985] |
| A. | Man evolved from monkeys |
| B. | Monkey evolved from man |
| C. | Man evolved from dinosaurs |
| D. | Man and apes had a common ancestors |
| Answer» E. | |
| 4504. |
Which of the following variations are temporay and have nothing to do with the last or next generation [BHU 2004] |
| A. | Hereditary variations |
| B. | Discontinuous variations |
| C. | Environmental variations |
| D. | None of these |
| Answer» D. None of these | |
| 4505. |
'Genetic species concept' was given by [BVP 2003] |
| A. | Lamarck |
| B. | Lotsy |
| C. | Ernst Mayr |
| D. | Linnaeus |
| Answer» C. Ernst Mayr | |
| 4506. |
'Ontogeny recapitulates phylogeny' is the brief definition of [MP PMT 2004; Pb. PMT 2004] |
| A. | Darwinism |
| B. | Mutation theory |
| C. | Biogenetic law |
| D. | Abiogenesis |
| Answer» D. Abiogenesis | |
| 4507. |
Biological species concept emphasizes on [DPMT 2003; MHCET 2003] |
| A. | Geographical isolation |
| B. | Reproductive isolation |
| C. | Physiological isolation |
| D. | None |
| Answer» C. Physiological isolation | |
| 4508. |
Which is basis of evolution [DPMT 2003; BVP 2004] |
| A. | Cell |
| B. | Individual |
| C. | Population |
| D. | Species |
| Answer» C. Population | |
| 4509. |
Reptiles were dominant during [AFMC 1985] |
| A. | Permian period |
| B. | Cretaceous period |
| C. | Oligocene period |
| D. | Cambrian period |
| Answer» C. Oligocene period | |
| 4510. |
Finding of miller's experiment on origin of life has provided evidence for the [Orissa PMT 2002] |
| A. | Theory of special creation |
| B. | Theory of organic evolution |
| C. | Theory of biogenesis |
| D. | Theory of abiogenesis |
| Answer» C. Theory of biogenesis | |
| 4511. |
Goldschmidt has classified evolution into micro, macro, and mega evolution. Which one of the following is referred to as micro-evolution [MP PMT 2001] |
| A. | Evolution at variety level |
| B. | Evolution at sub species level |
| C. | Evolution at species and genus level |
| D. | Evolution at family level |
| Answer» C. Evolution at species and genus level | |
| 4512. |
The origin of species from pre-existing species is [J & K CET 2002] |
| A. | Isolation |
| B. | Speciation |
| C. | Polyploidy |
| D. | Biogeography |
| Answer» C. Polyploidy | |
| 4513. |
The life begins above which level. [RPMT 1999] |
| A. | Molecule |
| B. | Amino acid |
| C. | Mixture |
| D. | Compound |
| Answer» C. Mixture | |
| 4514. |
The existence of marsupials in Australia and New Zealand prove [KCET 1999] |
| A. | Genetic drift |
| B. | Geological period |
| C. | Continental drift |
| D. | Both (b) and (c) |
| Answer» E. | |
| 4515. |
Which of the following is related with reproductive isolation [BHU 1999] |
| A. | Genetic isolation |
| B. | Temporal isolation |
| C. | Behavioural isolation |
| D. | All of these |
| Answer» E. | |
| 4516. |
Evolutionary convergence is characterized by [CBSE PMT 1997] |
| A. | Development of characteristics by random mating |
| B. | Replacement of common characteristics in different group |
| C. | Development of dissimilar characteristics in closely related groups |
| D. | Development of a common set of characteristics in group of different ancestry |
| Answer» E. | |
| 4517. |
Abiogenetic theory of origin states [Pb. PMT 2004] |
| A. | Spontaneous generation |
| B. | Organic evolution due to chemical reaction |
| C. | Origin of life due to pre-existing organisms |
| D. | Origin of life from blue green algae |
| Answer» B. Organic evolution due to chemical reaction | |
| 4518. |
What is evolution [CPMT 1998] |
| A. | Development of DNA from nucleotides |
| B. | Development of organism through time |
| C. | Development of a cell from chemicals |
| D. | None of these |
| Answer» C. Development of a cell from chemicals | |
| 4519. |
There was no life in [CPMT 1980, 2002; BHU 1999; AFMC 1999] |
| A. | Azoic era |
| B. | Mesozoic era |
| C. | Palaeozoic era |
| D. | Cenozoic era |
| Answer» B. Mesozoic era | |
| 4520. |
Radiations with successful adaptations in case of insects is a result of [Pune CET 1998] |
| A. | Genetic divergence |
| B. | Micro-evolution |
| C. | Macro-evolution |
| D. | Mega-evolution |
| Answer» D. Mega-evolution | |
| 4521. |
Which one of the following was the contribution of de Vries [KCET 1998] |
| A. | Theory of natural selection |
| B. | Law of segregation |
| C. | Theory of mutation |
| D. | Law of dominance |
| Answer» D. Law of dominance | |
| 4522. |
The principle of organic evolution envisages [Pune CET 1998] |
| A. | No change in complexity |
| B. | Decreasing complexity |
| C. | Increasing complexity |
| D. | Drastic changes |
| Answer» D. Drastic changes | |
| 4523. |
The importance of random accumulation of small genetic changes sufficient to explain evolution [Pune CET 1998] |
| A. | Haeckel |
| B. | Mayr |
| C. | Darwin |
| D. | Lamarck |
| Answer» D. Lamarck | |
| 4524. |
The example of recapitulation theory is [EAMCET 1998] |
| A. | Embryonic membranes of reptiles |
| B. | Tadpole larva of frog |
| C. | Placenta of mammals |
| D. | Canine teeth of dog |
| Answer» C. Placenta of mammals | |
| 4525. |
The material for organic evolution is [MP PMT 1998] |
| A. | Effect of hormones |
| B. | Nutritive value |
| C. | Mutation |
| D. | Asexual reproduction |
| Answer» D. Asexual reproduction | |
| 4526. |
Which one of the following scientists is not related with organic evolution [MP PMT 1998] |
| A. | Erasmus Darwin |
| B. | Charles Darwin |
| C. | Darlington |
| D. | T.R. Malthus |
| Answer» D. T.R. Malthus | |
| 4527. |
A species is produced by loss or disappearance of a few characters found in parents it is termed as[MP PMT 1997] |
| A. | Progressive species |
| B. | Retrogressive species |
| C. | Successive species |
| D. | Digressive species |
| Answer» C. Successive species | |
| 4528. |
Geographic and reproductive isolation are most closely associated with [Kerala PMT 2004] |
| A. | Speciation |
| B. | Extinction |
| C. | Over production |
| D. | Competition |
| E. | (e) Succession |
| Answer» B. Extinction | |
| 4529. |
The ultimate source of organic evolution is [DPMT 1985] |
| A. | Natural selection |
| B. | Sexual reproduction |
| C. | Hormonal action |
| D. | Mutations |
| Answer» E. | |
| 4530. |
Stanley Miller (1950) was successful in synthesizing |
| A. | Nucleic acid from ammonia etc. |
| B. | Gene in laboratory |
| C. | Simple amino acids from ammonia and \[C{{H}_{4}}\]etc. |
| D. | Insulin from protein and carbohydrates |
| Answer» D. Insulin from protein and carbohydrates | |
| 4531. |
Birds are adapted to aerial life due to |
| A. | Presence of wings |
| B. | Light weight of their body |
| C. | Presence of air marrow |
| D. | All the above |
| Answer» E. | |
| 4532. |
Mutations are mainly responsible for controlling [MP PMT 1996; CBSE PMT 1997] |
| A. | Increasing population rate |
| B. | Maintaining genetic continuity |
| C. | Variation in organisms |
| D. | Extinction of organisms |
| Answer» D. Extinction of organisms | |
| 4533. |
The concept of sudden genetic change which breeds true in a species is represented as [MP PMT 1996] |
| A. | Inheritance of acquired characters |
| B. | Natural selection |
| C. | Law of inheritance |
| D. | Mutation |
| Answer» E. | |
| 4534. |
Evolution in which the animals of two different gene ecology show too much similarity with one another, is called [CBSE PMT 1996] |
| A. | Parallel evolution |
| B. | Retrogressive evolution |
| C. | Progressive evolution |
| D. | Convergent evolution |
| Answer» E. | |
| 4535. |
H.J. Muller was awarded Nobel Prize for [CBSE PMT 1996] |
| A. | Discovering that ionising radiations can cause mutation |
| B. | Gene mapping in Drosophila |
| C. | Reduction in nuclear weapons |
| D. | Discovered that chemicals can cause gene mutation |
| Answer» B. Gene mapping in Drosophila | |
| 4536. |
As per modern synthetic theory organic evolution depends upon [MP PMT 2003] |
| A. | Mutation, reproductive isolation and natural selection |
| B. | Gene recombination and natural selection |
| C. | Mutation and natural selection |
| D. | All of these |
| Answer» E. | |
| 4537. |
Which one of the following pairs is correctly matched [CBSE PMT 1995] |
| A. | Streamlined body ?Aquatic adaptation |
| B. | Excessive perspiration?Xeric adaptation |
| C. | Parasitism?Intra-specific relationship |
| D. | Uricotelism?Aquatic habitat |
| Answer» B. Excessive perspiration?Xeric adaptation | |
| 4538. |
The presence of gill slits in the embryos of all vertebrates supports the theory of [CBSE PMT 1995] |
| A. | Recapitulation |
| B. | Organic evolution |
| C. | Metamorphosis |
| D. | Biogenesis |
| Answer» B. Organic evolution | |
| 4539. |
Haeckal's theory of recapitulation (Biogenetic law) means that [CPMT 1973, 75, 77, 79, 93, 2003; DPMT 1985; CMC Vellore 1993; MP PMT 1996, 2003] |
| A. | All organisms start as an egg |
| B. | Life history of an animal reflects its evolutionary history |
| C. | Progeny of an organism resembles its parents |
| D. | Body parts once lost are regenerated |
| Answer» C. Progeny of an organism resembles its parents | |
| 4540. |
Which of the following supports most satisfactorily the organic evolution [CPMT 1995] |
| A. | Fossils |
| B. | Neoteny |
| C. | Connecting links |
| D. | None of the above |
| Answer» B. Neoteny | |
| 4541. |
Primates originated about |
| A. | 100 million years ago |
| B. | 65 million years ago |
| C. | 10 million years ago |
| D. | 30 million years agow |
| Answer» C. 10 million years ago | |
| 4542. |
In nature, the occurrence of mutations are |
| A. | Mostly harmful |
| B. | Mostly useful |
| C. | Mostly neutral |
| D. | Mostly neutral or harmful |
| Answer» B. Mostly useful | |
| 4543. |
Most modern breeds of the domestic dog have evolved as a result of [CPMT 1992, 93] |
| A. | Natural selection |
| B. | Artificial selection |
| C. | Sexual selection |
| D. | Reproductive isolation |
| Answer» C. Sexual selection | |
| 4544. |
Inorganic evolution means [CPMT 1988] |
| A. | Formation of molecules |
| B. | Formation of cell |
| C. | Evolution of new species |
| D. | Same as organic evolution |
| Answer» B. Formation of cell | |
| 4545. |
A species inhabiting different geographical areas is known as [BHU 1976, 85; CPMT 1973; MP PMT 1996; CBSE PMT 1998] |
| A. | Allopatric |
| B. | Sympatric |
| C. | Biospecies |
| D. | Sibling species |
| Answer» B. Sympatric | |
| 4546. |
Mule is a hybrid, which of the following statement, is correct [NCERT 1976] |
| A. | Mule is not a species |
| B. | Mule is a new species |
| C. | Horse and ass are two populations |
| D. | Mule represents a common ancestor of horse and ass |
| Answer» B. Mule is a new species | |
| 4547. |
Mutation theory explaining organic evolution was proposed by Hugo de Vries. He worked on [CPMT 1982, 84, 93; CBSE PMT 2005; Orissa JEE 2005] |
| A. | Pisumsativum |
| B. | Drosophila melanogaster |
| C. | Oenotheralamarckiana |
| D. | Althearosea |
| Answer» D. Althearosea | |
| 4548. |
Haekel's biogenetic law states that [AFMC 1985] |
| A. | Course of evolution of race is repeated in the life history of an individual |
| B. | Life originates from pre-existing life |
| C. | Life originates from lifeless things |
| D. | None of these |
| Answer» B. Life originates from pre-existing life | |
| 4549. |
Evolution means [BHU 1982, 85; MP PMT 1996] |
| A. | History of race |
| B. | Development of race |
| C. | History and development of race with variations |
| D. | Progressive development of the race |
| Answer» D. Progressive development of the race | |
| 4550. |
The term 'evolution' in biology means that [NCERT 1972] |
| A. | Fossils are old |
| B. | Life began in sea |
| C. | Living things constantly change |
| D. | Man descended from apes |
| Answer» D. Man descended from apes | |