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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.
| 12201. |
Intercellular depositions occurs during |
| A. | Growth |
| B. | Repair |
| C. | Regeneration |
| D. | Ageing |
| Answer» E. | |
| 12202. |
The botanical name of the peepal tree is [CPMT 1999] |
| A. | Cajanus cajan |
| B. | Ficus religiosa |
| C. | Pisum sativum |
| D. | Ficus benghalensis |
| Answer» C. Pisum sativum | |
| 12203. |
Assertion : Angiosperms and gymnosperms both are flowering plants. Reason : Both form seeds. |
| 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. | |
| 12204. |
Who coined the term ?antibiotics'' [BHU 1985] |
| A. | Flemming |
| B. | Florey |
| C. | Chain |
| D. | S. Waksman |
| Answer» E. | |
| 12205. |
Which one is false about kranz anatomy [CPMT 2005] |
| A. | Bundle sheath have large chloroplast and less developed grana |
| B. | Mesophyll cells have large chloroplast and more |
| C. | It is found in Atriplex, sugarcane, maize |
| D. | Plant having it have better photosynthesizing power than\[{{C}_{3}}\]plants |
| Answer» C. It is found in Atriplex, sugarcane, maize | |
| 12206. |
"Biomes" describe |
| A. | Desert vegetation |
| B. | Major ecological grouping of plants |
| C. | Major ecological groupings of animals |
| D. | Relation between plants, animals and climate |
| Answer» E. | |
| 12207. |
Polytene chromosomes were first observed by [AIIMS 1985; BHU 1983] |
| A. | Batanetzky-1980 |
| B. | Heitz and Bauer -1935 |
| C. | Balbiani - 1881 |
| D. | Stevens and Wilson - 1905 |
| Answer» D. Stevens and Wilson - 1905 | |
| 12208. |
A bryophyte which harbours a nitrogen fixing blue-green alga in its thallus is [CPMT 2004] |
| A. | Pogonatum |
| B. | Riccia |
| C. | Marchantia |
| D. | Anthoceros |
| Answer» E. | |
| 12209. |
Rennin used in cheese industry is [MP PMT 1995; BVP 2002] |
| A. | Antibiotic |
| B. | Alkaloid |
| C. | Enzyme |
| D. | Inhibitor |
| Answer» D. Inhibitor | |
| 12210. |
Assertion : UAA, UAG and UGA terminate protein synthesis. Reason : They are not recognised by tRNA. |
| 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 | |
| 12211. |
To which class of pesticides do DDT, BHC, aldrin and endosulphan belong |
| A. | Biopesticides |
| B. | Organochlorines |
| C. | Organophosphates |
| D. | Carbamates |
| Answer» C. Organophosphates | |
| 12212. |
Assertion : Each group of algae has a characteristic colour. Reason : Each group of algae show predominance of one pigment. |
| 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 | |
| 12213. |
Local water cycle involves |
| A. | Living beings |
| B. | Physical factors |
| C. | Atmosphere |
| D. | None of these |
| Answer» B. Physical factors | |
| 12214. |
Which of the following is a suitable millet |
| A. | Wheat |
| B. | Bajra |
| C. | Rice |
| D. | All the above |
| Answer» C. Rice | |
| 12215. |
Biofertilizers [BVP 2000] |
| A. | Kill pests |
| B. | Prevent pest growth |
| C. | Retain soil fertility |
| D. | All the above |
| Answer» D. All the above | |
| 12216. |
Chlorophyll a is absent in which of the following photosynthetic organism [BVP 2004] |
| A. | Cyanobacteria |
| B. | Red algae |
| C. | Brown algae |
| D. | Bacteria |
| Answer» E. | |
| 12217. |
Sugarcane breeding research institute (SBKI) is situated at [BVP 2001] |
| A. | Lucknow |
| B. | Coimbatore |
| C. | New Delhi |
| D. | Shimala |
| Answer» C. New Delhi | |
| 12218. |
In India highest amount of coal is present in [MP PMT 2003] |
| A. | West Bengal |
| B. | Maharastra |
| C. | Jharkhand |
| D. | Assam |
| Answer» B. Maharastra | |
| 12219. |
Cultivation of more fuel wood trees is known as |
| A. | Afforestation |
| B. | Energy plantations |
| C. | Energy cropping |
| D. | Deforestation |
| Answer» C. Energy cropping | |
| 12220. |
In prokaryotes, the photosynthetic lamellae remain in |
| A. | Group |
| B. | Isolated |
| C. | Associated with nucleus |
| D. | None of the above |
| Answer» C. Associated with nucleus | |
| 12221. |
In desert grasslands, which type of animals are relatively more abundant [CBSE PMT 1998] |
| A. | Diurnal |
| B. | Arboreal |
| C. | Aquatic |
| D. | Fossorial |
| Answer» E. | |
| 12222. |
Salmon is [DPMT 2004] |
| A. | Anadromous fish |
| B. | Catadromous fish |
| C. | Mollusca |
| D. | Insect |
| Answer» B. Catadromous fish | |
| 12223. |
Which of the following is a fungicide |
| A. | Thiram |
| B. | Dichlone |
| C. | Capton |
| D. | All the above |
| Answer» E. | |
| 12224. |
Microtubule is involved in the [CBSE PMT 1998] |
| A. | Cell division |
| B. | DNA recognition |
| C. | Muscle contraction |
| D. | Membrane architecture |
| Answer» B. DNA recognition | |
| 12225. |
Indole-3-acetic acid called as auxin was first isolated from [CPMT 1990] |
| A. | Human urine |
| B. | Corn germ oil |
| C. | Fusarium |
| D. | Rhizopus |
| Answer» B. Corn germ oil | |
| 12226. |
The vaccine of Hepatitis-B is a [DPMT 1988; MP PMT 2003] |
| A. | First generation vaccine |
| B. | Interferon |
| C. | Second generation vaccine |
| D. | Third generation vaccine |
| Answer» D. Third generation vaccine | |
| 12227. |
Which of the following feature is not common between Newt & Hemidactylus [CPMT 2005] |
| A. | Body is divisible into head, neck, trunk and tail |
| B. | Head with pair of eyes and tympanic membrane |
| C. | Trunk has 2 pairs of limb for locomotion |
| D. | Heart is 3-chambered |
| Answer» B. Head with pair of eyes and tympanic membrane | |
| 12228. |
Who of the following is concerned with biochemical genetics |
| A. | Beadle |
| B. | Galton |
| C. | Garrod |
| D. | Mendel |
| Answer» B. Galton | |
| 12229. |
Giraffe is common animal of [RPMT 2000] |
| A. | Desert |
| B. | Savanna |
| C. | Rain forest |
| D. | Praire |
| Answer» C. Rain forest | |
| 12230. |
Read the assertion and reason carefully: Assertion : Root hairs are present on whole root surface. Reason : Root hairs absorb water. |
| 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. | |
| 12231. |
During the meiotic division the [BHU 2005] |
| A. | Homologous chromosomes are separated |
| B. | The linkage is disturbed |
| C. | The homologous chromosomes do not segregate |
| D. | All of the above |
| Answer» B. The linkage is disturbed | |
| 12232. |
The venous system of frog differ from that of rabbit in the presence of [CPMT 1982] |
| A. | Hepatic portal system |
| B. | Renal portal system |
| C. | Three vena cavae |
| D. | Hepatic vein |
| Answer» C. Three vena cavae | |
| 12233. |
Botanical name of `Bajra' (Pearl millet) is |
| A. | Eleusine coracana |
| B. | Sorghum vulgare |
| C. | Pennisetum typhoides |
| D. | Oryza sativa |
| Answer» D. Oryza sativa | |
| 12234. |
The first enzyme that reduces nitrates into nitrites and ammonia in plants is [CPMT 1990] |
| A. | Nitrate reductase |
| B. | Nitrite reductase |
| C. | Glutamine synthetase |
| D. | Glutamate dehydrogenase |
| Answer» B. Nitrite reductase | |
| 12235. |
Assertion : Gustatoreceptors are present in the mammalian tongue. Reason : Taste buds act as the gustatoreceptors. |
| 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 | |
| 12236. |
Which of the following is a flagellated alga [HP PMT 2005] |
| A. | Chlamydomonas |
| B. | Ulothrix |
| C. | Spirogyra |
| D. | Acetabularia |
| Answer» B. Ulothrix | |
| 12237. |
The chemical formula of ?paris green' is |
| A. | \[N{{a}_{3}}Al{{F}_{6}}\] |
| B. | \[{{C}_{8}}{{H}_{10}}{{P}_{2}}{{O}_{7}}\] |
| C. | \[Cu{{({{C}_{2}}{{H}_{3}}{{O}_{2}})}_{2}}.3Cu{{(A{{s}_{2}}{{O}_{2}})}_{2}}\] |
| D. | None of the above |
| Answer» D. None of the above | |
| 12238. |
Read the assertion and reason carefully: Assertion : Mint leaves give off the strong odour. Reason : Glandular hairs of mint leaves secrete oil. |
| 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 | |
| 12239. |
A stumpy laterally compressed tail is characteristic of [AFMC 1991] |
| A. | Tree snake |
| B. | Sea snake |
| C. | Rat snake |
| D. | Rattle snake |
| Answer» C. Rat snake | |
| 12240. |
Birds fly with the help of [BCECE 1997] |
| A. | Patagium |
| B. | Wing |
| C. | Feather |
| D. | Limbs |
| Answer» C. Feather | |
| 12241. |
Assertion : Indusium dries in mature sours and releases sporangia. Reason : Mature sporangium releases spores by the structures-annulus and stomium. |
| 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 | |
| 12242. |
Botanical name of green and black gram respectively is |
| A. | Phaseolus aureus and P. mungo |
| B. | Phaseolus radiatus and P. mungo |
| C. | Cajanus cajan and P. aureus |
| D. | Phaseolus radiatus and Cajanus cajan |
| Answer» B. Phaseolus radiatus and P. mungo | |
| 12243. |
Vitreous humor is [BVP 2003] |
| A. | Mucoid connective tissue |
| B. | Solid crystalline |
| C. | Watery fluid |
| D. | All of these |
| Answer» B. Solid crystalline | |
| 12244. |
Assertion : Use of fertilizers greatly enhances crop productivity. Reason : Irrigation is very important in increasing crop productivity. [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 | |
| 12245. |
Assertion : The bacteria cysts are produced to avoid unfavourable conditions. Reason : Bacillus anthracis and Clostridium survive for very long durations due to endospores. |
| 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 | |
| 12246. |
The decision for division occurs in a cell at |
| A. | S phase |
| B. | \[{{G}_{2}}\]phase |
| C. | \[{{G}_{1}}\]phase |
| D. | None of the above |
| Answer» D. None of the above | |
| 12247. |
The puffs and rings are associated with the [JIPMER 1990] |
| A. | Endoplasmic reticulum |
| B. | Polytene chromosomes |
| C. | Golgi bodies |
| D. | Nucleus |
| Answer» C. Golgi bodies | |
| 12248. |
Damage to gastric mucosa is increased by alcohol plus |
| A. | Valium |
| B. | Marijuana |
| C. | Aspirin |
| D. | Barbiturates |
| Answer» D. Barbiturates | |
| 12249. |
Black buck in India is protected by [Pb. PMT 1999] |
| A. | Bhils |
| B. | Bishnois |
| C. | Phasis |
| D. | All tribals |
| Answer» C. Phasis | |
| 12250. |
In maximum plants stomata open during day and closed in night. Its exception is [Pb. PMT 2004; AMU 2005] |
| A. | Crassulacean acid metabolism plants |
| B. | \[{{C}_{3}}\]plants |
| C. | \[{{C}_{4}}\]plants |
| D. | None of these |
| Answer» B. \[{{C}_{3}}\]plants | |