MCQOPTIONS
Saved Bookmarks
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.
| 11751. |
Honey is |
| A. | Nectar of flower |
| B. | Nectar stored in the honey sac |
| C. | Nectar mixed with saliva and stored in honey sac |
| D. | Nectar and water sucked by the honey bee |
| Answer» D. Nectar and water sucked by the honey bee | |
| 11752. |
The mammals evolved from the reptile in the [CPMT 1987] |
| A. | Cretaceous |
| B. | Triassic |
| C. | Devonian |
| D. | Carboniferous |
| Answer» C. Devonian | |
| 11753. |
Maximum contribution of \[{{O}_{2}}\] is from [CBSE PMT 1989] |
| A. | Phytoplankton |
| B. | Grasslands |
| C. | Herbs and shrubs |
| D. | Dense forest |
| Answer» B. Grasslands | |
| 11754. |
Which of the following seed is of highest nutritional value |
| A. | Seed of almond |
| B. | Seed of Cucurbita |
| C. | Seed of Daucus carota |
| D. | None of the above |
| Answer» B. Seed of Cucurbita | |
| 11755. |
Indian breeds of Camels are |
| A. | Jaisalmeri |
| B. | Sindhi |
| C. | Bikaneri and Kutchi |
| D. | All the above |
| Answer» E. | |
| 11756. |
Assertion : In birds some feathers can produce powdery fragments. Reason : The feathers secreting powdery fragments are powder down feathers. |
| 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 | |
| 11757. |
Algae are important, we should study algae because [AFMC 1988, 89] |
| A. | They are good organisms to experiment with |
| B. | They can be grown in large tank cultures |
| C. | They may form important constituent of human food (diet) in future |
| D. | They produce oxygen and organic acids |
| Answer» D. They produce oxygen and organic acids | |
| 11758. |
"Taichung'' is a dwarf variety of rice. It is native of |
| A. | Philippines |
| B. | Japan |
| C. | Taiwan |
| D. | India |
| Answer» D. India | |
| 11759. |
Which of the following cycle would be affected if decomposers of an ecosystem vanish [RPMT 1992] |
| A. | Producer's cycle |
| B. | Consumer's cycle |
| C. | Decomposer's cycle |
| D. | Biogeochemical cycle |
| Answer» E. | |
| 11760. |
Richest source of carbohydrates is [DPMT 1981; EAMCET 1983] |
| A. | Maize |
| B. | Wheat |
| C. | Barley |
| D. | Rice |
| Answer» E. | |
| 11761. |
Number of breeds of Indian Camels |
| A. | Two |
| B. | Three |
| C. | Four |
| D. | Five |
| Answer» D. Five | |
| 11762. |
In bryophytes diploid chromosome number occurs in |
| A. | Spore mother cell |
| B. | Gametes |
| C. | Spores |
| D. | Meiospores |
| Answer» B. Gametes | |
| 11763. |
Read the assertion and reason carefully to mark the correct option out of the options given below: Assertion : Liver and kidney of man show compensatory hypertrophy. Reason : Both of these organs grow larger than their normal size when a part is lost. |
| 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 | |
| 11764. |
Antibiotics are [MP PMT 1996] |
| A. | Herbicides |
| B. | Pesticides |
| C. | Macrobicides |
| D. | Bactericides |
| Answer» E. | |
| 11765. |
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 | |
| 11766. |
Function of adipose tissue is |
| A. | Fat storing tissue |
| B. | Helps in homeothermy |
| C. | Acts as shock absorber |
| D. | All the above |
| Answer» E. | |
| 11767. |
The term "mitosis'' was proposed by |
| A. | Flemming |
| B. | Farmer |
| C. | Moore |
| D. | Boveri |
| Answer» B. Farmer | |
| 11768. |
Rhodophyceae is red coloured due to [BHU 1981] |
| A. | Xanthophyll |
| B. | Carotenoids |
| C. | \[\gamma -\]phycoerythrin |
| D. | \[\gamma -\]phycocyanin |
| Answer» D. \[\gamma -\]phycocyanin | |
| 11769. |
ABA possesses |
| A. | One symmetric carbon atom |
| B. | One asymmetric carbon atom |
| C. | One symmetric and two asymmetric carbon atoms |
| D. | One asymmetric and two symmetric carbon atoms |
| Answer» C. One symmetric and two asymmetric carbon atoms | |
| 11770. |
Read the assertion and reason carefully to mark the correct option out of the options given below: Assertion : Birds and mammals show isometric growth. Reason : Fishes and insects show allometric growth. |
| 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 | |
| 11771. |
In India primitive flowering plants and primitive angiosperm families occur in |
| A. | North East |
| B. | North West |
| C. | Western Ghat |
| D. | Eastern Ghats |
| Answer» B. North West | |
| 11772. |
Herbicide carbamates are [DPMT 1986] |
| A. | Dithiocarbamates |
| B. | Thiocarbamates |
| C. | Phenyl carbamates |
| D. | Both b and c |
| Answer» E. | |
| 11773. |
Photosynthesis in \[{{C}_{4}}\]plants is relatively less limited by atmospheric \[C{{O}_{2}}\] levels because [CBS PMT 2005] |
| A. | Four carbon acids are the primary initial \[C{{O}_{2}}\] fixation products |
| B. | The primary fixation of \[C{{O}_{2}}\] is mediated via PEP carboxylase |
| C. | Effective pumping of \[C{{O}_{2}}\] into bundlesheath cells |
| D. | Rubisco in \[{{C}_{4}}\]plants has higher affinity for \[C{{O}_{2}}\] |
| Answer» C. Effective pumping of \[C{{O}_{2}}\] into bundlesheath cells | |
| 11774. |
One of the major "Basmati'' rice producing state of our country is [DPMT 1986] |
| A. | Andhra Pradesh |
| B. | Kerala |
| C. | Karnataka |
| D. | Uttar Pradesh |
| Answer» E. | |
| 11775. |
Which of the following process may be toxic to plants |
| A. | Photolysis of water |
| B. | Photosynthesis |
| C. | Aerobic respiration |
| D. | Anaerobic respiration |
| Answer» E. | |
| 11776. |
Assertion : Albugo parasitizes several crucifers. Reason : The disease infects only leaves and stems. |
| 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 | |
| 11777. |
Unfertilized egg of human contains or When released from ovary, human egg contains [CBSE PMT 1991, 92; MP PMT 1993, 99] |
| A. | One Y chromosome |
| B. | X and Y chromosome |
| C. | XX chromosome |
| D. | One X chromosome |
| Answer» E. | |
| 11778. |
Which is not the character of mitosis [MP PMT 2000] |
| A. | Leptotene |
| B. | Zygotene |
| C. | Pachytene |
| D. | All of the above |
| Answer» E. | |
| 11779. |
The energy generated by hydel power plant is [MP PMT 1994] |
| A. | Renewable and non-polluting |
| B. | Renewable and polluting |
| C. | Non-renewable and polluting |
| D. | Non-renewable and non-polluting |
| Answer» B. Renewable and polluting | |
| 11780. |
Which effect is imparted by colchicine |
| A. | Duplication of DNA |
| B. | Duplication in number of chromosomes |
| C. | Formation of spindle fibres |
| D. | Inhibits cell plate formation |
| Answer» C. Formation of spindle fibres | |
| 11781. |
The term 'gene' refers to [NCERT 1976] |
| A. | Sequence of amino acids in protein |
| B. | A linkage group |
| C. | A part of RNA |
| D. | A portion of DNA |
| Answer» E. | |
| 11782. |
Balbiani discovered special type of chromosome from the salivary gland of Chironomus larva which are recognized by the presence of [MP PMT 1995] |
| A. | Bands |
| B. | Loops |
| C. | Both bands and loops |
| D. | All of the above |
| Answer» D. All of the above | |
| 11783. |
The snake having head shield and elongated hexagonal vertebrals is [EAMCET 2000] |
| A. | Naja |
| B. | Eryx |
| C. | Bungarus |
| D. | Ptyas |
| Answer» D. Ptyas | |
| 11784. |
Mule is |
| A. | Fertile |
| B. | Sterile |
| C. | Fertile after age |
| D. | Sterile after some age |
| Answer» C. Fertile after age | |
| 11785. |
Terai forest is [Pb. PMT 2000] |
| A. | Tropical |
| B. | Coniferous |
| C. | Deciduous |
| D. | Temperate deciduous |
| Answer» B. Coniferous | |
| 11786. |
Urinary bladder in birds is absent because |
| A. | Disturbs equilibrium of birds |
| B. | Urine is absent |
| C. | Solid excretory product |
| D. | All of them |
| Answer» B. Urine is absent | |
| 11787. |
Assertion : The young stem of Funaria is photosynthetic. Reason : It contain hydroids. |
| 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 | |
| 11788. |
International Rice Research Institute (IRRI) is situated in |
| A. | China |
| B. | Japan |
| C. | Philippines |
| D. | India |
| Answer» D. India | |
| 11789. |
Read the assertion and reason carefully to mark the correct option out of the options given below: Assertion : Surgery has been found highly effective in lung cancer. Reason : Resection is possible after the thoracotomy. |
| 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 | |
| 11790. |
The most poisonous snake is [DPMT 1986] |
| A. | Krait |
| B. | Tree snake |
| C. | Python |
| D. | Rat snake |
| Answer» B. Tree snake | |
| 11791. |
Read the assertion and reason carefully: Assertion : Cellular endosperm is formed by both nuclear division and wall formation. Reason : It lacks haustoria. |
| 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 | |
| 11792. |
In succulent xerophytes, there is accumulation of malic acid in night, this path of\[C{{O}_{2}}\]metabolism is called |
| A. | Beta carboxylation |
| B. | Hatch and Slack cycle |
| C. | Crassulacean acid metabolism |
| D. | Calvin cycle |
| Answer» D. Calvin cycle | |
| 11793. |
Assertion : Crossing over occurs in all four chromatids of homologous chromosome. Reason : One homologous chromosome is called maternal and other paternal. |
| 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. | |
| 11794. |
Axolotl larva belongs to the order [EAMCET 1994] |
| A. | Urodela |
| B. | Anura |
| C. | Apoda |
| D. | Stegocephalia |
| Answer» B. Anura | |
| 11795. |
The edible part of wheat and rice is |
| A. | Endosperm |
| B. | Pericarp |
| C. | Stigma |
| D. | Style |
| Answer» B. Pericarp | |
| 11796. |
Whose fruits are narcotic in nature |
| A. | Jatropha |
| B. | Opium |
| C. | Both a and b |
| D. | None of the above |
| Answer» D. None of the above | |
| 11797. |
Read the assertion and reason carefully to mark the correct option out of the options given below: Assertion : ORS is given to the patients suffering from cholera. Reason : ORS contains water, minerals and sugar to avoid dehydration. |
| 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 | |
| 11798. |
Cochineal insects have proved very useful for the control of [CBSE PMT 1996] |
| A. | Eicchornia |
| B. | Cactus |
| C. | Weeds |
| D. | Parathenium |
| Answer» C. Weeds | |
| 11799. |
The non-protein enzyme is [MHCET 2000] |
| A. | Ribozyme |
| B. | Pepsin |
| C. | Trypsin |
| D. | All of the above |
| Answer» B. Pepsin | |
| 11800. |
Thallophyta includes [RPMT 1988; CPMT 1994; JIPMER 2000] |
| A. | Fungi and bryophyta |
| B. | Algae and bryophyta |
| C. | Algae, fungi and bryophyta |
| D. | Algae and fungi |
| Answer» E. | |