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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.
| 12101. |
Read the assertion and reason carefully to mark the correct option out of the options given below: Assertion : Epstein ? Barr virus is an oncovirus. Reason : It stimulates the growth of cancer. |
| 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 | |
| 12102. |
The most likely reason for the development of resistance against pesticides in insects damaging a crop is [CBSE PMT 2004] |
| A. | Direct mutation |
| B. | Acquired heritable changes |
| C. | Random mutation |
| D. | Genetic recombination |
| Answer» D. Genetic recombination | |
| 12103. |
Sedimentary cycle having a small gaseous component also is found in |
| A. | 'P' cycle |
| B. | 'S' cycle |
| C. | 'N' cycle |
| D. | 'C' Cycle |
| Answer» C. 'N' cycle | |
| 12104. |
VAM represents [HP PMT 1994] |
| A. | Saprophytic fungi |
| B. | Symbiotic fungi |
| C. | Saprophytic bacteria |
| D. | Symbiotic bacteria |
| Answer» C. Saprophytic bacteria | |
| 12105. |
Assertion : All birds, except the ones like koel (cuckoo) build nests for retiring and taking rest during night time (day time for nocturnal). Reason : Koel lays its eggs in the nests of tailor bird. [AIIMS 2003] |
| 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 | |
| 12106. |
What Robert Hooke had discovered in the thin section of the cork [DPMT 1990] |
| A. | Cellulose |
| B. | Cell wall |
| C. | Nuclei |
| D. | Protoplasm |
| Answer» C. Nuclei | |
| 12107. |
Saccharomycetes cerevisae is [MP PMT 1999] |
| A. | Akaryote |
| B. | Prokaryote |
| C. | Sugars |
| D. | Proteins |
| Answer» E. | |
| 12108. |
Archaeopteryx called a connecting link, carried the characters of [NCRT 1975, 82 BHU 1982; CBSE PMT 1990,93; RPMT 1999; CPMT 2003; J&K CET 2005] |
| A. | Reptile and bird |
| B. | Reptile and mammal |
| C. | Fish and amphibian |
| D. | Amphibian and reptile |
| Answer» B. Reptile and mammal | |
| 12109. |
Yak is very useful in |
| A. | Grass lands |
| B. | Marshy lands |
| C. | Mountain terrain |
| D. | In all places |
| Answer» D. In all places | |
| 12110. |
Which disease is caused by activation of oncogenes [MP PMT 1999] |
| A. | Cholera |
| B. | Cancer |
| C. | T.B. |
| D. | Viral flu |
| Answer» C. T.B. | |
| 12111. |
Anadromous fishes move [CBSE PMT 1992] |
| A. | From sea to freshwater |
| B. | From sea to estuary |
| C. | From river to sea |
| D. | From estuary to sea |
| Answer» B. From sea to estuary | |
| 12112. |
Bryophytes are dependent on water because [CBSE PMT 1998] |
| A. | Archegonium has to remain filled with water for fertilization |
| B. | Water is essential for fertilization for their homosporous nature |
| C. | Water is essential for their vegetative propagation |
| D. | The sperms can easily reach upto egg in the archegonium |
| Answer» E. | |
| 12113. |
Blood cancer is excess production of leucocytes. It is |
| A. | Haemorrhage |
| B. | Haemolysis |
| C. | Leukemia |
| D. | Thrombosis |
| Answer» D. Thrombosis | |
| 12114. |
Which one of the following is used in the baking of the bread [MP PMT 2004] |
| A. | Rhizopus stolonifer |
| B. | Zygosaccharomyces |
| C. | Saccharomyces cerevisiae |
| D. | Saccharomycodes ludwigii |
| Answer» B. Zygosaccharomyces | |
| 12115. |
Assertion : Reptilia possess amphicoelous vertebra. Reason : The stout centrum of amphicoelous vertebra is concave in front and convex behind. |
| 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» F. | |
| 12116. |
Assertion : Desmoneme is a volvent.? Reason : Desmoneme is useful in capturing prey. |
| 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 | |
| 12117. |
Chipko Andolan (Movement) which was started in 1970 in Garhwal/Himalayas (Gopeshwar) near Alaknanda river was for the first time initiated by [AMU 1997] |
| A. | Chander Prasad Bhatt |
| B. | Sunder Lal Bahuguna |
| C. | Baba Amte |
| D. | Vinoba Bhave |
| Answer» C. Baba Amte | |
| 12118. |
How many meiotic divisions will be necessary to produce two hundred pollen grains [DPMT 1992; MP PMT 1999] |
| A. | 50 |
| B. | 100 |
| C. | 199 |
| D. | 150 |
| Answer» B. 100 | |
| 12119. |
Capacity of amphibians to change colour is called |
| A. | Metachrosis |
| B. | Metachronous |
| C. | Synchronous |
| D. | None of these |
| Answer» B. Metachronous | |
| 12120. |
Assertion : Geographic isolation brings about sympatric speciation. Reason : Reproductive isolation brings about allopatric speciation. |
| 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 | |
| 12121. |
Grafting of tissue or organ between individuals of different species is called [Kerala PMT 2004] |
| A. | Autograft |
| B. | Isograft |
| C. | Xenograft |
| D. | Allograft |
| E. | Intergraft |
| Answer» D. Allograft | |
| 12122. |
Assertion : \[{{F}_{1}}\]particles are present in the inner mitochondrial membrane. Reason : An electron gradient formed on the inner mitochondrial membrane, forms ATP. |
| 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 | |
| 12123. |
Which out of the following is not a divisional stage [DPMT 1991] |
| A. | Telophase |
| B. | Interphase |
| C. | Metaphase |
| D. | Prophase |
| Answer» C. Metaphase | |
| 12124. |
Difference between the prokaryotic and eukaryotic cells in having [AFMC 2002] |
| A. | Cell wall |
| B. | Nuclear membrane |
| C. | Ribosome |
| D. | None of these |
| Answer» C. Ribosome | |
| 12125. |
Asseertion : In the beginning, the developmental stages or embryos of animals are alike. Reason : Ontogeny recapitulates phylogeny. |
| 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 | |
| 12126. |
Assertion : The Palaemon female is sometimes said to be 'in berry'. Reason : Palaemon female remains in the nest like berry. |
| 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 | |
| 12127. |
During anaerobic conditions, the rate of glycolysis increases is called as |
| A. | Compensation point |
| B. | Extinction point |
| C. | Warburg effect |
| D. | Pasteur effect |
| Answer» E. | |
| 12128. |
Pyrethrin is extracted from [RPMT 1989; CPMT 1999] |
| A. | Chrysanthemum cinerarifolium |
| B. | Azadirachta indica |
| C. | Derris elliptica |
| D. | Ryania speciosa |
| Answer» B. Azadirachta indica | |
| 12129. |
Read the assertion and reason carefully to mark the correct option out of the options given below: Assertion : Amoebic dysentry can be diagnosed by stool test of the patient. Reason : Stool of the patient has tetranucleated cysts. |
| 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 | |
| 12130. |
Which wavelength of light carry out photosynthesis in bacteria [RPMT 1985] |
| A. | Ultraviolet light |
| B. | Blue |
| C. | Red |
| D. | Far red |
| Answer» E. | |
| 12131. |
Major source of liquid hydrocarbon is |
| A. | Calotropis gigantea |
| B. | Cocos nucifera |
| C. | Euphorbia antisyphilitica |
| D. | Solanum tuberosum |
| Answer» D. Solanum tuberosum | |
| 12132. |
Anaerobic synthesis found in bacteria is [CMC Vellore 1994] |
| A. | Endergonic |
| B. | Exergonic |
| C. | Isothermal |
| D. | None of the above |
| Answer» B. Exergonic | |
| 12133. |
A biogeochemical cycle without an atmospheric component is |
| A. | Carbon cycle |
| B. | Phosphorus cycle |
| C. | Nitrogen cycle |
| D. | Sulphur cycle |
| Answer» C. Nitrogen cycle | |
| 12134. |
Cheeses are usually classified on the basis of [MP PMT 1997] |
| A. | Texture |
| B. | Flavour |
| C. | Colour |
| D. | All the above |
| Answer» E. | |
| 12135. |
Read the assertion and reason carefully: Assertion : Xylem and phloem are also called as leptom and hadrome respectively. Reason : Xylem and phloem form conducting tissue of the plant. |
| 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» F. | |
| 12136. |
Wheat variety Chhoti lerma was developed in |
| A. | Pantnagar (UP) |
| B. | IARI, New Delhi |
| C. | Ludhiana |
| D. | None of the above |
| Answer» B. IARI, New Delhi | |
| 12137. |
Biome is |
| A. | A part of the planet and its atmosphere |
| B. | Interacting communities of organism and its environments |
| C. | Biotic flora of a place |
| D. | Biotic fauna of a place |
| Answer» C. Biotic flora of a place | |
| 12138. |
The heart is 3 or 4 chambered in the vertebrate group [JKCMEE 1992] |
| A. | Fishes |
| B. | Amphibia |
| C. | Reptilia |
| D. | Aves |
| Answer» D. Aves | |
| 12139. |
The most important cereal at world level is |
| A. | Wheat |
| B. | Maize |
| C. | Rice |
| D. | Oat |
| Answer» D. Oat | |
| 12140. |
Plant body is [MP PMT 2005] |
| A. | Bryophyta |
| B. | Pteridophyta |
| C. | Angiosperms |
| D. | Gymnosperm |
| Answer» B. Pteridophyta | |
| 12141. |
Most of the Eubacteriales antibiotics come from [RPMT 1989] |
| A. | Bacillus |
| B. | Rhizobium |
| C. | Pseudomonas |
| D. | Streptococcus |
| Answer» B. Rhizobium | |
| 12142. |
An animal having pentadactyl limbs without claws belongs to the class [CMC Vellore 1993] |
| A. | Amphibia |
| B. | Reptilia |
| C. | Aves |
| D. | Mammalia |
| Answer» B. Reptilia | |
| 12143. |
In \[{{C}_{4}}-\]plants, the carbon dioxide fixation occurs in [BHU 2004] |
| A. | Guard cells |
| B. | Spongy cells |
| C. | Palisade cells |
| D. | Bundle sheath cells |
| Answer» E. | |
| 12144. |
RR-21 is high yielding variety of [MP PMT 1995; BVP 2000, 02] |
| A. | Rice |
| B. | Wheat |
| C. | Gram |
| D. | Sugarcane |
| Answer» C. Gram | |
| 12145. |
Assertion : Killer strain of Paramecium aurelia can kill sensitive strain. Reason : If sensitive strain is provided kappa particle, it becomes killer. |
| 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 | |
| 12146. |
Father of human genetics is [MH CET 2001] |
| A. | Bateson |
| B. | Watson |
| C. | Mendel |
| D. | Archibald Garrod |
| Answer» E. | |
| 12147. |
The cleavage is such method of divisions of fertilized egg in which the egg [MP PMT 1993] |
| A. | Does not divide but only increase in size |
| B. | Divides repeatedly but without growth |
| C. | Divides repeatedly and grows |
| D. | None of these |
| Answer» C. Divides repeatedly and grows | |
| 12148. |
The structure of the chromosome to which spindle fibre is attached is [MP PMT 1995] |
| A. | Chromatid |
| B. | Telomere |
| C. | Centromere |
| D. | Chromomere |
| Answer» D. Chromomere | |
| 12149. |
Assertion : Both hexokinase and glucokinase require divalent cation\[M{{g}^{++}}\]or\[M{{n}^{++}}\]. Reason : The divalent cations act as catalysts. |
| 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 | |
| 12150. |
Which one of the following pairs is not correctly matched [MP PMT 1993] |
| A. | Cristae The "Shelves'' formed by the folding of the inner membrane of the mitochondrion |
| B. | Plasmodesmata The membrane surrounding the vacuole in plants |
| C. | Grana Membrane bound discs in chloroplasts that contain chlorophylls and carotenoids |
| D. | Middle lamella Layer between adjacent cell walls in plants derived from cell plate |
| Answer» C. Grana Membrane bound discs in chloroplasts that contain chlorophylls and carotenoids | |