MCQOPTIONS
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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.
| 11201. |
Assertion : The genetic complement of an organism is called genotype. Reason : Genotype is the type of hereditary properties of an organism. [AIIMS 1999] |
| 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 | |
| 11202. |
Foramen of Panizzae is found in the heart of [BVP 2003] |
| A. | Rabbit |
| B. | Crocodile |
| C. | Pigeon |
| D. | Frog |
| Answer» C. Pigeon | |
| 11203. |
Ethyl alcohol is commercially manufactured from [BHU 2004] |
| A. | Wheat |
| B. | Grapes |
| C. | Maize |
| D. | Sugarcane |
| Answer» E. | |
| 11204. |
Brown algae is characterised by the presence of [CBSE PMT 1997; Haryana PMT 2005] |
| A. | Phycocyanin |
| B. | Phycoerythrin |
| C. | Fucoxanthin |
| D. | Haematochrome |
| Answer» D. Haematochrome | |
| 11205. |
The nucleus of cancerous cells becomes |
| A. | Degenerated |
| B. | Hypertrophied |
| C. | Unchanged |
| D. | Abnormally large |
| Answer» E. | |
| 11206. |
Choose the cat fish from the following [KCET 2004] |
| A. | Cirrhina mrigala |
| B. | Wallago attu |
| C. | Labeo rohita |
| D. | Catla catla |
| Answer» C. Labeo rohita | |
| 11207. |
The eggs in which fate of every part of the egg becomes fixed are called |
| A. | Cleidoic eggs |
| B. | Non-cleidoic eggs |
| C. | Mosaic eggs |
| D. | Regulative eggs |
| Answer» D. Regulative eggs | |
| 11208. |
Which one of the following belongs to transferase group |
| A. | Amylase |
| B. | Transaminase |
| C. | Citrate synthetase |
| D. | Enolase |
| Answer» C. Citrate synthetase | |
| 11209. |
A fish is characterised by the presence of |
| A. | Dermal scales |
| B. | Paired fins |
| C. | Pharyngeal gills |
| D. | All the above |
| Answer» E. | |
| 11210. |
Who first suggested the idea of circular flow of genetic information |
| A. | Barry Commoner |
| B. | Nirenberg |
| C. | Matthaei |
| D. | Phil Lader |
| Answer» B. Nirenberg | |
| 11211. |
How many time meiosis will take place for the formation of 80 wheat grains |
| A. | 100 |
| B. | 80 |
| C. | 40 |
| D. | 99 |
| Answer» B. 80 | |
| 11212. |
Homologous chromosomes which are present in male and female both are known as |
| A. | Heterosomes |
| B. | Replosomes |
| C. | Androsomes |
| D. | Autosomes |
| Answer» E. | |
| 11213. |
Read the assertion and reason carefully: Assertion : Roots contain nodes but no leaves or buds. Reason : Root branches arise endogenously. |
| 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. | |
| 11214. |
Among the following which one is the richest source of proteins [DPMT 1985; MP PMT 1997] |
| A. | Wheat (Triticum vulgare) |
| B. | Rice (Oryza sativa) |
| C. | Gram (Cicer arietinum) |
| D. | Ground nut (Arachis hypogea) |
| Answer» E. | |
| 11215. |
Assertion : Some mammals possess echoapparatus or radar system. Reason : Radar system is a special type of sense organ. |
| 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 | |
| 11216. |
Which is true [Haryana PMT 2005] |
| A. | ABA open stomata |
| B. | ABA and cytiokinin does not effect on stomata |
| C. | ABA open, cytokinin close stomata |
| D. | ABA close and cytokinin open the stomata |
| Answer» E. | |
| 11217. |
Flippers of seal are modified [AFMC 2004] |
| A. | Fins |
| B. | Hind limb |
| C. | Forelimb |
| D. | Gills |
| Answer» D. Gills | |
| 11218. |
Which of the following is a pseudo-cereal crop [MP PMT 2000] |
| A. | Maize/Zea mays |
| B. | Barley/Hordeum vulgare |
| C. | Buck wheat/Fagopyrum esculentum |
| D. | Rice/Oryza sativa |
| Answer» D. Rice/Oryza sativa | |
| 11219. |
Which one is a parasitic algae [CBSE PMT 2001; BHU 2001, 04; BVP 2002] |
| A. | Vaucheria |
| B. | Polysiphonia |
| C. | Cephaleuros |
| D. | Batrachospermum |
| Answer» D. Batrachospermum | |
| 11220. |
Pulses belong to the family [CBSE PMT 1993; KCET 1998; MP PMT 1998, 2000] |
| A. | Papilionaceae |
| B. | Solanaceae |
| C. | Malvaceae |
| D. | Gramineae |
| Answer» B. Solanaceae | |
| 11221. |
Assertion : The atmospheric concentration of \[C{{O}_{2}}\]at which photosynthesis just compensates for respiration is referred to as \[C{{O}_{2}}\] compensation point. Reason : The \[C{{O}_{2}}\]compensation point is reached when the amount of \[C{{O}_{2}}\] uptake is less than that generated through respiration because the level of \[C{{O}_{2}}\] in the atmosphere is more than that required for achieving \[C{{O}_{2}}\] compensation point. |
| 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 | |
| 11222. |
Assertion : Only red algae are able to flourish at the great depth of sea. Reason : Red algae has the pigments r-phycoerythrin and r-phycocyanin. |
| 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 | |
| 11223. |
Assertion : Angiosperms are mostly terrestrial. Reason : Angiosperms are found in plains only. |
| 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 | |
| 11224. |
Sub class Prototheria is related with egg laying mammal such as |
| A. | Kangaroo |
| B. | Echidna |
| C. | Primate |
| D. | None |
| Answer» C. Primate | |
| 11225. |
In the bacterial photosynthesis, hydrogen donor is [BHU 1982; CPMT 1983] |
| A. | \[{{H}_{2}}S\] |
| B. | \[N{{H}_{2}}\] |
| C. | \[{{H}_{2}}O\] |
| D. | \[{{H}_{2}}S{{O}_{4}}\] |
| Answer» B. \[N{{H}_{2}}\] | |
| 11226. |
Without teats, mammary glands are found in [EAMCET 1998; BHU 2000; CBSE PMT 2001; MH CET 2000] |
| A. | Prototheria |
| B. | Metatheria |
| C. | Eutheria |
| D. | Theria |
| Answer» B. Metatheria | |
| 11227. |
If an unfertilized egg is pricked with a micro needle, it will [NCERT 1973] |
| A. | Die immediately |
| B. | Start dividing |
| C. | Will remain undivided |
| D. | Transform into a tadpole at a faster rate |
| Answer» C. Will remain undivided | |
| 11228. |
A bryophyte suddenly started reproducing parthenogenetically. The number of chromosomes of the second generation compared to parent plant will be [MHCET 2001] |
| A. | Same |
| B. | One-half |
| C. | Double |
| D. | Triple |
| Answer» B. One-half | |
| 11229. |
Rennet enzyme was purified by |
| A. | A. Flemming |
| B. | S.A. Waksman |
| C. | Payen and Persoz |
| D. | Christian Hansen |
| Answer» E. | |
| 11230. |
Assertion : Insectivorous habitat of plants is to cope up\[{{O}_{2}}\]deficiency. Reason : Insectivorous plants are partly autotrophic and partly heterotrophic. [AIIMS 1998] |
| 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. | |
| 11231. |
Assertion : In frog, most of the absorption takes place in intestine. Reason : The intestine in frog is the coiled structure. |
| 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 | |
| 11232. |
Which ecological factors are most strong determinants of various biomes |
| A. | Temperature and precipitation |
| B. | Soil and wind |
| C. | \[pH\]and humidity |
| D. | Light and wind |
| Answer» B. Soil and wind | |
| 11233. |
Assertion : In solution culture of plants, iron is added in the form of Fe-EDTA. Reason : Hydroponics set-up is costly. |
| 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 | |
| 11234. |
Which of the following is millet |
| A. | Panicum |
| B. | Paspalum |
| C. | Setaria |
| D. | All the above |
| Answer» E. | |
| 11235. |
During fields, the wheat may suffer from |
| A. | Loose smut |
| B. | Flag smut |
| C. | Stem rust |
| D. | All the above |
| Answer» E. | |
| 11236. |
Germinating barley seeds are used in preparation of [MP PMT 2000, 01] |
| A. | Cheese |
| B. | Wine |
| C. | Beer |
| D. | Lactic acid |
| Answer» D. Lactic acid | |
| 11237. |
Thymus and brain are the main factors in the ageing |
| A. | Stress theory |
| B. | Gene theory |
| C. | Pacemaker theory |
| D. | Mutation theory |
| Answer» D. Mutation theory | |
| 11238. |
Assertion : Mast cells help in body defence. Reason : Mast cells phagocytose & destroy microbes. |
| 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 | |
| 11239. |
Which one of the following reactions represents anaerobic respiration [MP PMT 1990] |
| A. | \[6C{{O}_{2}}+6{{H}_{2}}\to {{C}_{6}}{{H}_{12}}{{O}_{6}}+3C{{O}_{2}}\] |
| B. | \[{{C}_{6}}{{H}_{12}}{{O}_{6}}+6{{O}_{2}}\to C{{O}_{2}}+{{H}_{2}}O+energy\] |
| C. | \[{{C}_{6}}{{H}_{12}}{{O}_{6}}\to 2{{C}_{2}}{{H}_{5}}OH+2C{{O}_{2}}+energy\] |
| D. | \[6C{{O}_{2}}+6{{H}_{2}}O\to {{C}_{6}}{{H}_{12}}{{O}_{6}}+6{{H}_{2}}O+3{{O}_{2}}\] |
| Answer» D. \[6C{{O}_{2}}+6{{H}_{2}}O\to {{C}_{6}}{{H}_{12}}{{O}_{6}}+6{{H}_{2}}O+3{{O}_{2}}\] | |
| 11240. |
Collagen fibres of connective tissue are [BHU 1985; CPMT 1999] |
| A. | White |
| B. | Yellow |
| C. | Colourless |
| D. | Red |
| Answer» B. Yellow | |
| 11241. |
Common pulse pest is |
| A. | Slug and snails |
| B. | Brunches |
| C. | Calendula |
| D. | Bugs and mites |
| Answer» C. Calendula | |
| 11242. |
World Wild Life Week is [CBSE PMT 1999; Kerala CET 2002] |
| A. | First week of September |
| B. | First week of October |
| C. | Third week of October |
| D. | Last week of October |
| Answer» C. Third week of October | |
| 11243. |
Which one of the following is used in the manufacture of alcohol [MP PMT 1997] |
| A. | Bacteria |
| B. | Water molds |
| C. | Yeasts |
| D. | Slime molds |
| Answer» D. Slime molds | |
| 11244. |
When, during the meiotic division, do the centromeres divide [MP PMT 1996; CBSE PMT 2000] |
| A. | Diplotene |
| B. | Metaphase-I |
| C. | Pachytene |
| D. | Anaphase-II |
| Answer» E. | |
| 11245. |
Which one of the following plant hormones is known as a stress hormone [MHCET 2000] |
| A. | Gibberellins |
| B. | Kinetin |
| C. | Auxin |
| D. | Abscisic acid |
| Answer» E. | |
| 11246. |
Water budget required to produce 1 gm of dry matter by\[{{C}_{3}}\]and\[{{C}_{4}}\]plant is approximately |
| A. | 610 gm each |
| B. | 300 gm each |
| C. | 300 gm and 610 gm respectively |
| D. | 610 gm and 300 gm respectively |
| Answer» E. | |
| 11247. |
In mitosis the movement of chromosomes requires [CPMT 1993] |
| A. | Presence of centromere |
| B. | Plasmalemma |
| C. | Spindle fibres |
| D. | Nucleotides |
| Answer» D. Nucleotides | |
| 11248. |
Which one of the following contains the largest quantity of extracellular material [CBSE PMT 2003] |
| A. | Myelinated nerve fibres |
| B. | Striated muscle |
| C. | Areolar tissue |
| D. | Stratified epithelium |
| Answer» D. Stratified epithelium | |
| 11249. |
Tuberculin produced by the bacterium causing tuberculosis is |
| A. | Hormone |
| B. | Enzyme |
| C. | Exotoxin |
| D. | Endotoxin |
| Answer» E. | |
| 11250. |
The chromosomes which determine the somatic characters are called [CMC Vellore 1979; MH CET 2002] |
| A. | Sex chromosomes |
| B. | Heterosomes |
| C. | Autosomes |
| D. | None of the above |
| Answer» D. None of the above | |