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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.
| 12751. |
Which of the following pulses is not grown in Kharif season |
| A. | Cicer arietinum |
| B. | Cajanus cajan |
| C. | Phaseolus mungo |
| D. | Phaseous aureus |
| Answer» B. Cajanus cajan | |
| 12752. |
Which of the following is used in biotechnology |
| A. | Cattle |
| B. | Yeast |
| C. | Both cattle and yeast |
| D. | Neither cattle nor yeast |
| Answer» D. Neither cattle nor yeast | |
| 12753. |
Read the assertion and reason carefully to mark the correct option out of the options given below: Assertion : Old age is not an illness. It is a continuation of life with decreasing capacity for adaptation. Reason : Cessation of mitosis is normal genetically programmed event. [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» D. If both the assertion and reason are false | |
| 12754. |
Read the assertion and reason carefully to mark the correct option out of the options given below: Assertion : AIDS spreads more rapidly than the hepatitis. Reason : HIV has shorter incubation period than that of HBV. |
| 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 | |
| 12755. |
Esterase enzyme belongs to which of the following class [BHU 1982; RPMT 1989] |
| A. | Oxidoreductase |
| B. | Carboxylase |
| C. | Hydrolases |
| D. | Transferases |
| Answer» D. Transferases | |
| 12756. |
Secale cereale is used for making bread especially in |
| A. | India |
| B. | European countries |
| C. | Both a and b |
| D. | None of the above |
| Answer» C. Both a and b | |
| 12757. |
Read the assertion and reason carefully: Assertion : Human travellers also disperse seeds and fruits. Reason : Generally seeds of economically important crops are introduced to new areas. |
| 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 | |
| 12758. |
Fat is hydrolysed by enzyme lipase to yield [BHU 1982; CBSE PMT 2004] |
| A. | Fatty acid and amino acids |
| B. | Glycerol and fatty acids |
| C. | Glycerine and water |
| D. | Glycerol and amino acids |
| Answer» C. Glycerine and water | |
| 12759. |
Which one of the following is true during ageing [MP PMT 1997] |
| A. | Decrease in blood urea and GFR |
| B. | Increase in calcium content of arteries and cartilage |
| C. | Decrease in cholesterol content of cornea and lens |
| D. | Decrease in calcium content of arteries and cartilage |
| Answer» C. Decrease in cholesterol content of cornea and lens | |
| 12760. |
The stele found in monocot is [DPMT 2004] |
| A. | Haplostele |
| B. | Atactostele |
| C. | Dictyostele |
| D. | Actinostele |
| Answer» C. Dictyostele | |
| 12761. |
The vertebrae of birds are characteristically [CBSE PMT 1988; AIIMS 1999] |
| A. | Heterocoelous |
| B. | Acoelous |
| C. | Opisthocoelous |
| D. | Amphicoelous |
| Answer» B. Acoelous | |
| 12762. |
The largest Indian poisonous snake is [DPMT 1993] |
| A. | Python |
| B. | Krait |
| C. | Cobra |
| D. | Sea snake |
| Answer» D. Sea snake | |
| 12763. |
Bats belong to which order [MP PMT 1994; CBSE PMT 2000,BVP 2001] |
| A. | Carnivora |
| B. | Chiroptera |
| C. | Dermaptera |
| D. | Cetacea |
| Answer» C. Dermaptera | |
| 12764. |
Which one of the following is wrong in relation to photorespiration [CBSE PMT 2003] |
| A. | It is a characteristic of\[{{C}_{3}}\]plants |
| B. | It occurs in chloroplasts |
| C. | It occurs in day time only |
| D. | It is a characteristic of\[{{C}_{4}}\]plants |
| Answer» E. | |
| 12765. |
Yak gives |
| A. | Meat |
| B. | Hide |
| C. | Wool |
| D. | All of these |
| Answer» E. | |
| 12766. |
In the egg of bird, shell and shell membranes are |
| A. | Permeable to \[{{O}_{2}}\] and \[C{{O}_{2}}\] |
| B. | Permeable to water only |
| C. | Permeable to air only |
| D. | Non-permeable |
| Answer» B. Permeable to water only | |
| 12767. |
Drosophila melanogastor has 8 chromosomes in somatic cell. How many linkage groups will be there [BVP 2000] |
| A. | 4 |
| B. | 8 |
| C. | 2 |
| D. | 5 |
| Answer» B. 8 | |
| 12768. |
Jaya and Padma are varieties of [EAMCET 1995] |
| A. | Rice |
| B. | Wheat |
| C. | Cotton |
| D. | Chilly |
| Answer» B. Wheat | |
| 12769. |
Assertion : From evolutionary point of view, human gestation period is believed to be shortening. Reason : One major evolutionary trend in humans has been the larger head undergoing relatively faster growth rate in the foetal stage. [AIIMS 2004] |
| 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 | |
| 12770. |
The male human is represented by sex chromo-somes [DPMT 1985, 92; CMC Vellore 1993] |
| A. | XX |
| B. | XO |
| C. | XY |
| D. | YY |
| Answer» D. YY | |
| 12771. |
Tertiary egg membrane is |
| A. | Vitelline membrane |
| B. | Zona radiata |
| C. | Albumen |
| D. | Corona radiate |
| Answer» D. Corona radiate | |
| 12772. |
How many chromosomes are present in an unfertilized egg |
| A. | 22 autosomes and one sex chromosome |
| B. | 22 pairs of autosomes and one sex chromosome |
| C. | 44 autosomes and one pair of sex chromosome |
| D. | Total 22 chromosomes |
| Answer» B. 22 pairs of autosomes and one sex chromosome | |
| 12773. |
Which of the following may cause abortion in cattles |
| A. | Wheat seeds infected with rust |
| B. | Wheat seeds infected with smut |
| C. | Bajra seeds infected with ergot |
| D. | None of the above |
| Answer» D. None of the above | |
| 12774. |
The end products of fermentation when sugars are used as raw material [CBSE PMT 1997; CPMT 1988] |
| A. | Alcohol and acetic acid |
| B. | \[C{{O}_{2}}\] |
| C. | Alcohol and\[C{{O}_{2}}\] |
| D. | Alcohol |
| Answer» D. Alcohol | |
| 12775. |
Assertion : Pinus wood is used as fuel wood. Reason : Pinus wood can easily be ignited. |
| 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 | |
| 12776. |
Dimorphism of chloroplast is found in |
| A. | \[{{C}_{4}}\]plants |
| B. | \[{{C}_{3}}\]plants |
| C. | CAM plants |
| D. | All the above |
| Answer» B. \[{{C}_{3}}\]plants | |
| 12777. |
In sugarcane plant \[^{14}C{{O}_{2}}\] is fixed in malic acid, in which the enzyme that fixes \[C{{O}_{2}}\]is [CBSE PMT 1999] |
| A. | Fructose phosphatase |
| B. | Ribulose biphosphate carboxylase |
| C. | Phosphoenol pyruvic acid carboxylase |
| D. | Ribulose phosphate kinase |
| Answer» D. Ribulose phosphate kinase | |
| 12778. |
Assertion : Spermatangium of red algae bears trichogyne. Reason : Trichogyne helps in reproduction. |
| 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. | |
| 12779. |
Pregnancy begins with implantation of [Wardha 2005] |
| A. | Embryo |
| B. | Fertilised ovum |
| C. | Blastopore |
| D. | Blastocyst |
| Answer» E. | |
| 12780. |
Susceptability to extinction is due to |
| A. | Large body size |
| B. | Small population |
| C. | High trophic level |
| D. | All the above |
| Answer» E. | |
| 12781. |
We can demarcate a facultative parasite as one which [CPMT 1973, 80, 81, 84; MP PMT 1984] |
| A. | Inevitably requires living host |
| B. | Only requires dead organic matter to live |
| C. | Is actually a parasite but can also become saprophyte |
| D. | Is actually a saprophyte but can also become a parasite |
| Answer» E. | |
| 12782. |
Maximum life span of dog in years is [AFMC 2004] |
| A. | 5 |
| B. | 10 |
| C. | 15 |
| D. | 20 |
| Answer» E. | |
| 12783. |
Read the assertion and reason carefully to mark the correct option out of the options given below: Assertion : Bordeaux mixture is able to eradicate many fungal diseases. Reason : It is a fungicide which has proved to be effective for control of disease. |
| 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 | |
| 12784. |
Ageing is characterised by |
| A. | Decline in metabolic activity |
| B. | Increased metabolic activity |
| C. | Increased anabolism |
| D. | Increased \[{{O}_{2}}\] consumption |
| Answer» B. Increased metabolic activity | |
| 12785. |
Vitis is a tendril climber, a species which is extensively used for [BHU 1988] |
| A. | Charas |
| B. | Wine |
| C. | Opium |
| D. | Volatile oil |
| Answer» C. Opium | |
| 12786. |
Substances known as 'heredity carriers' are |
| A. | Ribosomes |
| B. | Genes |
| C. | Enzymes |
| D. | Hormones |
| Answer» C. Enzymes | |
| 12787. |
Gavial or gharial is found in [Haryana PMT 1993] |
| A. | Freshwater |
| B. | Sea water |
| C. | Brackish water |
| D. | Terrestrial habitats |
| Answer» B. Sea water | |
| 12788. |
In fishes the kidney is [AFMC 1993] |
| A. | Pronephros |
| B. | Mesonephros |
| C. | Metanephros |
| D. | Holonephros |
| Answer» C. Metanephros | |
| 12789. |
Which raw material is used in fermentation [Orissa JEE 2005] |
| A. | Starch in vegetables |
| B. | Starch in cereals |
| C. | Sugar in fruits |
| D. | Protein in Pulses |
| Answer» C. Sugar in fruits | |
| 12790. |
The limiting factor in nitrification of soil is [AIIMS 2000] |
| A. | pH |
| B. | Temperature |
| C. | Light |
| D. | Air |
| Answer» B. Temperature | |
| 12791. |
Basically how many types of enzymes have been recognised by International Union of Biochemistry [MHCET 2000] |
| A. | 4 |
| B. | 5 |
| C. | 6 |
| D. | 8 |
| Answer» D. 8 | |
| 12792. |
'Apis' is a generic name of |
| A. | A fish |
| B. | Lac insect |
| C. | Honey bee |
| D. | Prawn |
| Answer» D. Prawn | |
| 12793. |
Which is the correct sequence in the development of man [CPMT 1974, 77, 81] |
| A. | Fertilization, zygote, cleavage, morula, blastula, gastrula |
| B. | Zygote, morula, blastula, differentiation |
| C. | Fertilization, cleavage, gastrula, morula, blas_tula |
| D. | Cleavage, zygote, blastula, morula, gastrula |
| Answer» B. Zygote, morula, blastula, differentiation | |
| 12794. |
Elongation of internodes is inhibited by |
| A. | Gibberellins |
| B. | Morphactins |
| C. | Both [a] and [b] |
| D. | None of the above |
| Answer» C. Both [a] and [b] | |
| 12795. |
Assertion : DNA serves as hereditary material. Reason : DNA functions as blue-print for building and running cellular machiner. |
| 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 | |
| 12796. |
Synthetic auxins are used for [Kerala CET 2003] |
| A. | Killing weeds |
| B. | Ripening fruits |
| C. | Increasing the size of the fruits |
| D. | Stimulating growth of cells in tissue culture |
| Answer» B. Ripening fruits | |
| 12797. |
Assertion : Desmolysing enzymes are those which catalyse the reactions by hydrolysis. Reason : Digestive enzymes are hydrolysing in nature. |
| 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. | |
| 12798. |
Post anal tail is present in [CBSE PMT 2001] |
| A. | Cobra |
| B. | Earth worm |
| C. | Scorpion |
| D. | Lower invertebrate |
| Answer» B. Earth worm | |
| 12799. |
During strenous exercise glucose is converted into [BHU 2005] |
| A. | Glycogen |
| B. | Pyruvic acid |
| C. | Starch |
| D. | Lactic acid |
| Answer» E. | |
| 12800. |
Farmers have reported 50% higher yield of rice by using biofertilizer [CBSE PMT 1998] |
| A. | Azolla pinnata |
| B. | Legume-Rhizobium symbiosis |
| C. | Cyanobacteria |
| D. | Mycorrhiza |
| Answer» B. Legume-Rhizobium symbiosis | |