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.
| 12501. |
Adipose tissue is found in mammals [JIPMER 1985] |
| A. | In epidermis |
| B. | In muscles |
| C. | In dermis |
| D. | Below dermis |
| Answer» E. | |
| 12502. |
Cell wall is absent in [MHCET 2001] |
| A. | Plants |
| B. | Animals |
| C. | Mucor |
| D. | Mango |
| Answer» C. Mucor | |
| 12503. |
Mast cells are found in [MP PMT 1997; CPMT 1977, 79] |
| A. | Connective tissue |
| B. | Muscular tissue |
| C. | Nervous tissue |
| D. | Blood |
| Answer» B. Muscular tissue | |
| 12504. |
Assertion : Leguminous plants are nitrogen fixers. Reason : Leguminous plants have Rhizobium in their root nodules. [AIIMS 1997] |
| 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 | |
| 12505. |
Assertion : Unlike thallophytes, bryophytes show formation of embryo. Reason : The embryo gives rise to gametophyte plant of bryophytes. |
| 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 | |
| 12506. |
Coiling of chromatids in mitotic and meiotic division is [MP PMT 2002] |
| A. | Paranemic in both |
| B. | Plectonemic in both |
| C. | Paranemic in mitosis and plectonemic in meiosis |
| D. | Plectonemic in mitosis and paranemic in meiosis |
| Answer» E. | |
| 12507. |
Syphilis is caused by |
| A. | Traponema pallidum |
| B. | Virus |
| C. | Nostoc |
| D. | All the above |
| Answer» B. Virus | |
| 12508. |
Why pulse crop is not manured with nitrogenous fertilizers? Because their roots are |
| A. | Non-nodulated |
| B. | Nodulated |
| C. | Unable to utilize \[{{N}_{2}}\] |
| D. | Apogeotropic |
| Answer» C. Unable to utilize \[{{N}_{2}}\] | |
| 12509. |
In which order human is placed |
| A. | Carnivora |
| B. | Rodentia |
| C. | Primate |
| D. | None of the above |
| Answer» D. None of the above | |
| 12510. |
The prickly pear weed (Opuntia) bacame a menace and it has been successfully controlled by [DPMT 1993] |
| A. | DDT spray |
| B. | Cattle |
| C. | Destroying its seeds |
| D. | Cochineal insects |
| Answer» E. | |
| 12511. |
Assertion : The bacteria and other prokaryotes show high adaptability to the changing environment. Reason : Member of kingdom Monera are efficient in regulating gene expression. |
| 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 | |
| 12512. |
Assertion : There is a decrease in photosynthesis, if the photosynthetic cells are illuminated by light of\[{{P}_{680}}\]nm or more wavelength. Reason : In red drop phenomenon the rate of photosynthesis decreases. |
| 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 | |
| 12513. |
All cells of sex organs are formed gametes in [RPMT 1995] |
| A. | Algae |
| B. | Bryophyta |
| C. | Pteridophyta |
| D. | Gymnosperm |
| Answer» B. Bryophyta | |
| 12514. |
Assertion : Hydatid vesicle is the characteristic of Echinococcus. Reason : Hydatid cyst can remain for several years within human body. |
| 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 | |
| 12515. |
Assertion : ?Fungi imperfecti? does not show alternation of generation. Reason : The diploid phase is present in only zygote. |
| 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 | |
| 12516. |
Read the assertion and reason carefully to mark the correct option out of the options given below: Assertion : Alcoholics may show deficiency symptoms of Wernicke's and Korsakoff's syndromes. Reason : Alcohol acts as depressant. |
| A. | If both assertion and reason are true and the reason is the correct explanation of the assertion. |
| B. | If both assertion and reason are true but reason is not the correct explanation of the assertion. |
| C. | If assertion is true but reason is false. |
| D. | If the assertion and reason both are false. |
| E. | If assertion is false but reason is true. |
| Answer» C. If assertion is true but reason is false. | |
| 12517. |
Type of cleavage found in mammals is [CPMT 1988] |
| A. | Holoblastic |
| B. | Meroblastic |
| C. | Superficial |
| D. | None of the above |
| Answer» B. Meroblastic | |
| 12518. |
Nobel prize was awarded to Paul Muller on the discovery of which of the following pesticides [MP PMT 2001] |
| A. | Malathion |
| B. | Parathion |
| C. | Pyrethrum |
| D. | DDT |
| Answer» E. | |
| 12519. |
Yak is found in |
| A. | Tibet |
| B. | Ladakh, Lahaul and Spiti |
| C. | Garhwal and Sikkim |
| D. | All the above |
| Answer» E. | |
| 12520. |
The process of spreading the cancerous cells to distant site is known as |
| A. | Hyperstasis |
| B. | Metastasis |
| C. | Parastasis |
| D. | Parasitesis |
| Answer» C. Parastasis | |
| 12521. |
The second division in meiosis is called [KCET 1998] |
| A. | Equational division |
| B. | Reduction division |
| C. | Multiplied division |
| D. | None of the above |
| Answer» B. Reduction division | |
| 12522. |
Carbaryl is a |
| A. | Carbamate |
| B. | Organophosphate |
| C. | Azide |
| D. | Pyrethoid |
| Answer» B. Organophosphate | |
| 12523. |
Enzyme concerned with transfer of electrons are [MP PMT 1998, 2002, 03] |
| A. | Hydrolase |
| B. | Dehydrogenase |
| C. | Transaminase |
| D. | Desmolase |
| Answer» C. Transaminase | |
| 12524. |
Enzyme which hydrolyses starch to maltose is [BHU 1979; MP PMT 1991, 99] |
| A. | Lactase |
| B. | Protease |
| C. | Maltase |
| D. | Amylase |
| Answer» E. | |
| 12525. |
Study of reptiles is known as [CPMT 2003] |
| A. | Ichthyology |
| B. | Ornithology |
| C. | Herpetology |
| D. | Mammology |
| Answer» D. Mammology | |
| 12526. |
Assertion : Malarial fever appear at merozoite stage of Plasmodium. Reason : The infective stage of Plasmodium is sporozoite. |
| 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 | |
| 12527. |
A male child would be born to parents if [NCERT 1975, 77; CPMT 1973, 83, 86, 93; DPMT 1983; BHU 1995] |
| A. | Father is healthier than mother |
| B. | Genetic chromosomal constitution of child is XX |
| C. | Mother feeds well during pregnancy |
| D. | Genetic chromosomal constitution of child is XY |
| Answer» E. | |
| 12528. |
If at the end of meiosis, the 4 daughter cells have 4 chromosomes, how many chromosomes were in the mother cell [Pune CET 1998] |
| A. | 8 |
| B. | 16 |
| C. | 2 |
| D. | 4 |
| Answer» B. 16 | |
| 12529. |
The theory of recombination of linked gene due to crossing over of chromosome during zygotene of meiosis was put forwarded by [CPMT 1992] |
| A. | T.H. Morgan |
| B. | Punnet |
| C. | Mendel |
| D. | Connes |
| Answer» B. Punnet | |
| 12530. |
Apis dorsata refers to [MH-CET 2002] |
| A. | Rock bee |
| B. | Little bee |
| C. | Indian bee |
| D. | European bee |
| Answer» B. Little bee | |
| 12531. |
Read the assertion and reason carefully: Assertion : Adventitious roots develop from any part of plant. Reason : In such plants, tap root is not developed. |
| 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 | |
| 12532. |
In which of the following meiosis takes place [MP PMT 1992] |
| A. | Pollen grains |
| B. | Pollen tube |
| C. | Pollen mother cells |
| D. | Generative cells |
| Answer» D. Generative cells | |
| 12533. |
Inulin found in plant cell is a [Orissa PMT 2002] |
| A. | Lipid |
| B. | Protein |
| C. | Polysaccharide |
| D. | Vitamin |
| Answer» D. Vitamin | |
| 12534. |
Read the assertion and reason carefully: Assertion : Anemochory can disperse the seeds at large distance. Reason : The dispersal is done by winds. |
| 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 | |
| 12535. |
Assertion : Ampullae of lorenzini are found beneath the skin of head region in fishes. Reason : Ampullae of lorenzini acts as receptors. |
| 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 | |
| 12536. |
Assertion : Ciliated epithelium is present in the inner lining of trachea & large bronchi. Reason : Ciliary movements propel the mucus & foreign particles towards the larynx. |
| 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 | |
| 12537. |
How many types of cells are known [MP PMT 2000] |
| A. | One |
| B. | Two |
| C. | Three |
| D. | Four |
| Answer» D. Four | |
| 12538. |
In India, first time an international meeting on biotechnology was held in |
| A. | 1986 |
| B. | 1987 |
| C. | 1988 |
| D. | 1989 |
| Answer» D. 1989 | |
| 12539. |
Afforestation with regard to urban development is called [Pb. PMT 2000] |
| A. | Social forestry |
| B. | Integrated Forest Management |
| C. | Both a and b |
| D. | None of these |
| Answer» C. Both a and b | |
| 12540. |
Read the assertion and reason carefully: Assertion : In cymose inflorescence, the main axis ends in a flower, but the lateral axis show continuous growth. Reason : The arrangement of flower in this inflorescence is centrifugal. |
| 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. | |
| 12541. |
Assertion : ?Lymph heart? is present in frog. Reason : Lymph in frog is circulated by lymph heart. |
| 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 | |
| 12542. |
Which of the following is largest mammals [MH CET 2000] |
| A. | Whale |
| B. | Elephant |
| C. | Camel |
| D. | Dinosaur |
| Answer» B. Elephant | |
| 12543. |
Assertion : The bacterial chromosome is called nucleoid. Reason : Nucleus is absent, but chromosomes are similar to eukaryotes. |
| 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 | |
| 12544. |
Terramycin is obtained from [CPMT 1988; MP PMT 1995] |
| A. | Streptomyces venezuelae |
| B. | Streptomyces aureofaciens |
| C. | Streptomyces remosus |
| D. | Streptomyces griseus |
| Answer» D. Streptomyces griseus | |
| 12545. |
Which is correct about nitrogen fixation by legumes. They fix nitrogen through [AFMC 1999] |
| A. | Specialised bacteria in their roots |
| B. | Specialised bacteria in their leaves |
| C. | Independent of bacteria that live in their roots |
| D. | The statement is wrong |
| Answer» B. Specialised bacteria in their leaves | |
| 12546. |
The best fertilizer for paddy is [APMEE 1987] |
| A. | Azolla pinnata |
| B. | Bacillus megatherium |
| C. | Rhizobium meliloti |
| D. | Bacillus polymyxa |
| Answer» B. Bacillus megatherium | |
| 12547. |
In Bryophyta the adult plant body is [Kerala PMT 2004] |
| A. | Sporophyte |
| B. | Epiphyte |
| C. | Sporophyll |
| D. | Gametophyte |
| E. | (e) Antheridium |
| Answer» E. (e) Antheridium | |
| 12548. |
Important objective of biotechnology in agriculture section is [MP PMT 1998] |
| A. | To produce pest resistant varieties of plant |
| B. | To increase the nitrogen content |
| C. | To decrease the seed number |
| D. | To increase the plant weight |
| Answer» B. To increase the nitrogen content | |
| 12549. |
Frog has [MP PMT 1990, AFMC 1991] |
| A. | Five fingers and four toes |
| B. | Four fingers and five toes |
| C. | Five fingers and five toes |
| D. | Four fingers and four toes |
| Answer» C. Five fingers and five toes | |
| 12550. |
Diploid living organism develops from zygote by repeated cell divisions is called [J&K CET 2005] |
| A. | Meiosis |
| B. | Amitosis |
| C. | Mitosis |
| D. | Segmentation |
| Answer» D. Segmentation | |