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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.
| 10751. |
In which of the following secondary growth takes place [MP PMT 2001] |
| A. | Riccia |
| B. | Funaria |
| C. | Selaginella |
| D. | None of these |
| Answer» E. | |
| 10752. |
Assertion : Urinary bladder can considerably expand to accommodate urine. Reason : It is lined by stretchable squamous epithelium. |
| 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 | |
| 10753. |
Treeless biome of cold climates is [AFMC 1999; KCET 2000] |
| A. | Savannah biome |
| B. | Chapparal biome |
| C. | Temperate biome |
| D. | Tundra biome |
| Answer» E. | |
| 10754. |
Tropical dense forest is due to [MP PMT 1994; CPMT 2002] |
| A. | High temperature and excess rain |
| B. | Low temperature and excess rain |
| C. | High temperature and lesser rain |
| D. | Wild animals (tigers, lions, bears etc.) |
| Answer» B. Low temperature and excess rain | |
| 10755. |
Read the assertion and reason carefully: Assertion : The chalazal cells of the embryo sac is central cell. Reason : They play nutritive role for embryo sac. |
| 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 | |
| 10756. |
Heterotropic nutrition is found in [CPMT 1985] |
| A. | Opuntia |
| B. | Drosera |
| C. | Vallisnaria |
| D. | Pistia |
| Answer» C. Vallisnaria | |
| 10757. |
Alcohol consumption affects |
| A. | Judgement only |
| B. | Coordination and alertness only |
| C. | Vision and behaviour only |
| D. | All of the above |
| Answer» E. | |
| 10758. |
What is required for nitrogen fixation by Rhizobium? [DPMT 1988; APMEE 1989] |
| A. | Potassium |
| B. | Phosphorus |
| C. | Nitrate |
| D. | Sodium |
| Answer» C. Nitrate | |
| 10759. |
Super-ovulation and embryo transplantation are meant for improving [JKMCEE 1994] |
| A. | Human race |
| B. | Livestock |
| C. | Poultry |
| D. | Plants |
| Answer» C. Poultry | |
| 10760. |
The chemical substance most abundantly present in the middle lamella is [BHU 1984; Haryana PMT 2005] |
| A. | Pectin |
| B. | Lignin |
| C. | Suberin |
| D. | Cutin |
| Answer» B. Lignin | |
| 10761. |
The skull of frog is [Kerala CET 2005] |
| A. | Tricondylic |
| B. | Monocondylic |
| C. | Dicondylic |
| D. | Noncondylic |
| E. | Polycondylic |
| Answer» D. Noncondylic | |
| 10762. |
Bryophytes comprise [CBSE PMT 1999] |
| A. | Sporophyte is of longer duration |
| B. | Dominant phase of sporophyte which is parasitic |
| C. | Dominant phase of gametophyte which produces spores |
| D. | Small sporophyte phase and generally parasitic on gametophyte |
| Answer» E. | |
| 10763. |
Diphtheria is caused by [MP PMT 1999] |
| A. | Viruses |
| B. | Eukaryotes |
| C. | Mycoplasma |
| D. | Bacteria |
| Answer» E. | |
| 10764. |
The replication of nuclear DNA occurs in [Kashmir MEE 1995; CPMT 1996; MP PMT 1994] |
| A. | \[{{G}_{1}}\]phase |
| B. | \[{{G}_{2}}\]phase |
| C. | S phase |
| D. | M phase |
| Answer» D. M phase | |
| 10765. |
When, during the meiotic division, do the homologous chromosomes pair with each other [MP PMT 1996] |
| A. | Leptotene |
| B. | Pachytene |
| C. | Zygotene |
| D. | Metaphase-I |
| Answer» D. Metaphase-I | |
| 10766. |
Cell wall is absent in [BVP 2000; MHCET 2001] |
| A. | Gametes |
| B. | Amoeba |
| C. | Mycoplasma |
| D. | All of these |
| Answer» E. | |
| 10767. |
Crossing over takes place between [RPMT 2001] |
| A. | Two chromosomes |
| B. | Two non-homologous chromosomes |
| C. | Two homologous chromosomes |
| D. | None |
| Answer» D. None | |
| 10768. |
The reptile which glides in the air is [DPMT 1986] |
| A. | Draco |
| B. | Phrynosoma |
| C. | Anguis |
| D. | Calotes |
| Answer» B. Phrynosoma | |
| 10769. |
The first white tiger in the world was found in [AIEEE 2004] |
| A. | Gir in Saurasthra |
| B. | Rewa in Madhya Pradesh |
| C. | Sunderbans in Bengal |
| D. | Corbett National Park in Uttaranchal |
| Answer» D. Corbett National Park in Uttaranchal | |
| 10770. |
The hormone injected to cows for excessive milk production is [AIIMS 1995] |
| A. | Oestrogen |
| B. | Progesterone |
| C. | Oxytocin |
| D. | Testosterone |
| Answer» D. Testosterone | |
| 10771. |
With the increase in the shape of cell, its ratio of volume and surface area will be [AMU 2005] |
| A. | Unaltered |
| B. | Slightly increase |
| C. | Decrease |
| D. | Increase in many layers |
| Answer» D. Increase in many layers | |
| 10772. |
Closer evolutionary relationship of human to chimpanzee, gorilla and orangutan can be observed by |
| A. | Tracing the method of fossilization |
| B. | Banding pattern of chromosomes |
| C. | Karyotype |
| D. | None of the above |
| Answer» C. Karyotype | |
| 10773. |
Enterokinase converts [AFMC 1996] |
| A. | Trypsinogen to trypsin |
| B. | Pepsinogen to pepsin |
| C. | Both (a) and (b) are correct |
| D. | None of these |
| Answer» B. Pepsinogen to pepsin | |
| 10774. |
Read the assertion and reason carefully to mark the correct option out of the options given below: Assertion : Good atheletes take Amphetamine. Reason : Amphetamine brought increase activity and alertness. |
| 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» F. | |
| 10775. |
Assertion : Pedicellariae are minute structure found in echinoderms. Reason : Pedicellariae help in locomotion. |
| 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 | |
| 10776. |
Assertion : Histones are basic proteins of major importance in packaging of eukaryotic DNA, DNA and histones comprise chromatin forming the bulk of eukaryotic chromosome. Reason : Histones are five major types \[{{H}_{1}},{{H}_{2}}A,{{H}_{2}}B,{{H}_{3}}\] and \[{{H}_{4}}\] [AIIMS 2000] |
| 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 | |
| 10777. |
The type of dentition in Crocodile is [MP PMT 2002] |
| A. | Acrodont |
| B. | Bunodont |
| C. | Pleurodont |
| D. | Thecodont |
| Answer» E. | |
| 10778. |
Life span of worker bee is [CBSE PMT 1999; MHCET 2001] |
| A. | 10 days |
| B. | 15 days |
| C. | 6 weeks |
| D. | 10 weeks |
| Answer» D. 10 weeks | |
| 10779. |
The replication of centrioles occurs during [MP PMT 1994; BHU 2004] |
| A. | Early prophase |
| B. | Late prophase |
| C. | Late telophase |
| D. | Interphase |
| Answer» E. | |
| 10780. |
Chromosome set in zygote is [CPMT 1989] |
| A. | 2n |
| B. | 1n |
| C. | 3n |
| D. | 4n |
| Answer» B. 1n | |
| 10781. |
Read the assertion and reason carefully to mark the correct option out of the options given below: Assertion : Steroids are life - saving drugs. Reason : Adrenal steroid therapy has several adverse effects. |
| 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. | |
| 10782. |
Who among the following discovered the Avena curvature test to find out the concentration of auxins [CPMT 1990] |
| A. | F.W. Went |
| B. | L.J. Audus |
| C. | K.V. Thimman |
| D. | F. Skoog |
| Answer» B. L.J. Audus | |
| 10783. |
The science of ageing is called or The study of degenerative changes is called [MP PMT 1993, 96, 2002; Kerala CET 2002] |
| A. | Chronology |
| B. | Odontology |
| C. | Gynaecology |
| D. | Gerontology |
| Answer» E. | |
| 10784. |
Which of the following is obtained from algae [CBSE PMT 2000] |
| A. | Wax |
| B. | Butter |
| C. | Chocolate |
| D. | Carragenin |
| Answer» E. | |
| 10785. |
. Read the assertion and reason carefully: Assertion : An incomplete flower can be perfect. Reason : Perfect flowers (incomplete) are called neuter. |
| 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 | |
| 10786. |
Assertion : Cell secretion does not occur in bacteria. Reason : Golgi complex is absent in bacteria. |
| 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. | |
| 10787. |
The glands present in the skin of frog are [AFMC 1993] |
| A. | Mucous and poisonous |
| B. | Sweat and mammary |
| C. | Sweat and sebaceous |
| D. | Mucous and sweat |
| Answer» B. Sweat and mammary | |
| 10788. |
The bird 'Dodo' became extinct because of |
| A. | Its beautiful feathers |
| B. | Its fearlessness |
| C. | Its curved beak |
| D. | Its melodious songs |
| Answer» B. Its fearlessness | |
| 10789. |
Assertion : Living systems have a high degree of tendency for undergoing entropy. Reason : Living systems are unable to overcome entropy. |
| 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 | |
| 10790. |
An example of agarophyte is |
| A. | Dictyota |
| B. | Fucus |
| C. | Nostoc |
| D. | Gelidium |
| Answer» E. | |
| 10791. |
Read the assertion and reason carefully to mark the correct option out of the options given below: Assertion : The spread of AIDS can be prevented by life long monogamy and use of disposable syringe. Reason : AIDS spreads through heterosexuality and contaminated syringes. |
| 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 | |
| 10792. |
Brown leaf spot disease of rice is caused by |
| A. | Helminthosporium oryzae |
| B. | Phytophthora infestans |
| C. | Puccinia graminis |
| D. | Xanthomonas oryzae |
| Answer» B. Phytophthora infestans | |
| 10793. |
Assertion : Sporogonium of Riccia is totally dependent on the gametophyte. Reason : Sporogonium of Marchantia is partly dependent on the gametophyte. |
| 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 | |
| 10794. |
One of the plant introduced from new world to the old world [CPMT 1983; DPMT 1985; MP PMT 1989] |
| A. | Wheat |
| B. | Potato |
| C. | Rice |
| D. | Sugarcane |
| Answer» C. Rice | |
| 10795. |
Which of the following is characteristic feature of fishes[KCET (Med.) 2001; CBSE PMT 2002; Pb. PMT 2004] |
| A. | Tail and venous heart |
| B. | Venous heart and gills |
| C. | Epidermal scales and tail |
| D. | Epidermal scales and gills |
| Answer» C. Epidermal scales and tail | |
| 10796. |
Crocodile heart is [Kerala CET 2002; RPMT 2002] |
| A. | Single chambered |
| B. | 2-chambered |
| C. | 3-chambered |
| D. | 4-chambered |
| Answer» E. | |
| 10797. |
Select the correct set of animals of class-mammalia [Orissa PMT 2002] |
| A. | Lion, hippopotamus, penguin, bat |
| B. | Lion, bat, whale, ostrich |
| C. | Hippopotamus, penguin, whale, kangaroo |
| D. | Whale, bat, kangaroo, hippopotamus |
| Answer» E. | |
| 10798. |
Read the assertion and reason carefully: Assertion : Growth rings are also called as annual rings. Reason : Generally growth ring is formed in each year. |
| 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 | |
| 10799. |
Catadromous fish migrates from |
| A. | Sea to river |
| B. | River to sea |
| C. | River to estuary |
| D. | Deep sea to surface water |
| Answer» C. River to estuary | |
| 10800. |
Assertion : In the formation of one glucose, 686,000 calories energy are produced. Reason : The energy is provided by a total of 12 NADPH and 18 ATP. |
| 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 | |