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.
| 10601. |
Recombinant nodules are found during which of the following [BHU 2000] |
| A. | Anaphase |
| B. | Prophase |
| C. | Telophase |
| D. | Metaphase |
| Answer» C. Telophase | |
| 10602. |
Assertion : Nematocysts are present in coelenterates. Reason : Nematocysts are specialized cells. |
| 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 | |
| 10603. |
Wheat straw is a good |
| A. | Cattle feed |
| B. | As filling fibre |
| C. | Both a and b |
| D. | None of the above |
| Answer» D. None of the above | |
| 10604. |
Wheat, paddy and other cereals which form, the staple food of mankind belong to the family [Pune CET 1998] |
| A. | Asteraceae |
| B. | Scitamineae |
| C. | Palmae |
| D. | Poaceae |
| Answer» E. | |
| 10605. |
When one or more genes are missing from middle part of chromosome, it is called |
| A. | Middle loss |
| B. | Partial loss |
| C. | Intercalary deficiency |
| D. | None of the above |
| Answer» D. None of the above | |
| 10606. |
Cell division is initiated by [CBSE PMT 1993] |
| A. | Centrosome |
| B. | Centriole |
| C. | Centromere |
| D. | Chromomere |
| Answer» B. Centriole | |
| 10607. |
Cartilaginous fishes do not have [CBSE PMT 1992] |
| A. | Operculum |
| B. | Scales |
| C. | Gill stits |
| D. | Pelvic fins |
| Answer» B. Scales | |
| 10608. |
The eukaryotic chromosomes are made up of [MP PMT 1994] |
| A. | DNA |
| B. | RNA |
| C. | DNA and proteins |
| D. | DNA and lipids |
| Answer» D. DNA and lipids | |
| 10609. |
The pesticide used in foundations of buildings for preventing termite attack is |
| A. | DDT |
| B. | BHC |
| C. | Aldrin |
| D. | Endosulphan |
| Answer» D. Endosulphan | |
| 10610. |
Few genes are found in all types cells of differentiated multicellular organisms of high class. It is called [AMU 2005] |
| A. | Key genes |
| B. | Core genes |
| C. | Housekeeping genes |
| D. | None of the above |
| Answer» C. Housekeeping genes | |
| 10611. |
Non-polluting renewable type of energy is |
| A. | Wind |
| B. | Solar |
| C. | Tidal |
| D. | All the above |
| Answer» E. | |
| 10612. |
Assertion : Mustard gas acts as a mutagen. Reason : It transfers alkyl groups to the bases in DNA. |
| 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 | |
| 10613. |
Elephants have very poor |
| A. | Sense of hearing |
| B. | Sense of smell |
| C. | Sight |
| D. | Sense of taste |
| Answer» D. Sense of taste | |
| 10614. |
Mycorrhiza represents [CBSE PMT 1994] |
| A. | Antagonism |
| B. | Endemism |
| C. | Symbiosis |
| D. | Parasitism |
| Answer» D. Parasitism | |
| 10615. |
Why wheat flour is useful in baking of bread ? It is due to the higher content of |
| A. | Starch |
| B. | Sugar |
| C. | Protein |
| D. | Gluten |
| Answer» E. | |
| 10616. |
Read the assertion and reason carefully: Assertion : Idioblasts are derived from parenchyma. Reason : Secretory cells are modified parenchyma. |
| 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 | |
| 10617. |
Assertion : In gymnosperms, plants show well-developed vessels and fibres. Reason : Companion cells are absent in gymnosperm. |
| 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. | |
| 10618. |
In which of the following stage, the chromosome is thin and like long thread [AFMC 1997] |
| A. | Leptotene |
| B. | Zygotene |
| C. | Pachytene |
| D. | Diakinesis |
| Answer» B. Zygotene | |
| 10619. |
Vitamin \[{{B}_{12}}\]is produced directly during the course of fermentation by [AFMC 1986; MP PMT 2002] |
| A. | Ashbya gossypii |
| B. | Rhizopus stolonifer |
| C. | Saccharomyces cerevisiae |
| D. | Propioni bacteria |
| Answer» E. | |
| 10620. |
Read the assertion and reason carefully to mark the correct option out of the options given below: Assertion : Cancer is generally associated with a tumour. Reason : Cancerous cells undergo uncontrolled growth and division. |
| 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 | |
| 10621. |
Assertion : Paroicous mosses have both sex organs intermingled together. Reason : Autoicous mosses bear sex organs on different branches. |
| 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. | |
| 10622. |
Read the assertion and reason carefully to mark the correct option out of the options given below: Assertion : Death is an essential and inescapable biological phenomenon. Reason : Death maintains ecological homeostasis and justifies the need of 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» B. If both the assertion and reason are true but the reason is not a correct explanation of the assertion | |
| 10623. |
Read the assertion and reason carefully to mark the correct option out of the options given below: Assertion : Pork should be properly cooked to avoid Taenia infection. Reason : Pork of pig contains Hexacanth and cysticerci larvae. |
| 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 | |
| 10624. |
The point at which the polytene chromosomes appear to be attached together is known as [CBSE PMT 1995] |
| A. | Centriole |
| B. | Chromocentre |
| C. | Centromere |
| D. | Chromomere |
| Answer» C. Centromere | |
| 10625. |
Assertion : Angiosperms contain microsporophyll and megasporophyll. Reason : Microsporophyll and megasporophyll forms microspore and megaspore respectively. |
| 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. | |
| 10626. |
Read the assertion and reason carefully: Assertion : The upper surface of the leaf is darker than the lower surface. Reason : Spongy mesophyll contains less chloroplasts than palisade mesophyll cells. |
| 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 | |
| 10627. |
Bacterial photosynthesis takes place in [RPMT 1995] |
| A. | Cytoplasm |
| B. | Chromoplast |
| C. | Chloroplast |
| D. | Oxysome |
| Answer» B. Chromoplast | |
| 10628. |
Sunandini is |
| A. | A famous dancer from Kerala |
| B. | Name of a marine fish found at coasts of Tamil Nadu |
| C. | A cow formed by hybridization of Indian breed and Jersey cow |
| D. | None of the above |
| Answer» D. None of the above | |
| 10629. |
The genes concerned with the production of cancer are called [BVP 2004] |
| A. | Cancer genes |
| B. | Carcino genes |
| C. | Carcinomas |
| D. | Oncogenes |
| Answer» E. | |
| 10630. |
Which pair of characters are found without exception in all mammals [RPMT 2001] |
| A. | Hair and viviparity |
| B. | Viviparity and mammary glands |
| C. | Viviparity and internal fertilization |
| D. | Mammary glands and internal fertilization |
| Answer» E. | |
| 10631. |
Butter is produced from [Manipal 2005] |
| A. | Propanoic acid |
| B. | Butyric acid |
| C. | Pentanoic acid |
| D. | Ethanoic acid |
| Answer» C. Pentanoic acid | |
| 10632. |
Lipids are insoluble in water, because lipids molecules are [CBSE PMT 2002] |
| A. | Neutral |
| B. | Zwitter ions |
| C. | Hydrophobic |
| D. | Hydrophilic |
| Answer» D. Hydrophilic | |
| 10633. |
Elephant has very fews hairs while bear has a thick fur because the bear |
| A. | Has much more natural enemies |
| B. | Has not been domesticated |
| C. | Lives in cold climate |
| D. | Has to regulate body temperature more accurately |
| Answer» D. Has to regulate body temperature more accurately | |
| 10634. |
To which of the taxonomic group does whale belong [AFMC 1985] |
| A. | Fishes |
| B. | Reptilia |
| C. | Mammalia |
| D. | Arthropoda |
| Answer» D. Arthropoda | |
| 10635. |
Now-a-days rhino is present in |
| A. | Asia |
| B. | Africa |
| C. | America |
| D. | Africa and Asia |
| Answer» E. | |
| 10636. |
Among honey bees, workers are |
| A. | Male |
| B. | Female |
| C. | Male and female both |
| D. | Hermaphrodite |
| Answer» C. Male and female both | |
| 10637. |
Assertion : Radioactive tracers are used to detect tumors. Reason : Tracers locate such tissues. |
| 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 | |
| 10638. |
Sal forests are found in India [MP PMT 1990] |
| A. | In western ghats |
| B. | Dehradoon valley |
| C. | Nilgiri hills |
| D. | Satpura mountains |
| Answer» C. Nilgiri hills | |
| 10639. |
Assertion : Amphioxus is a fish. Reason : Amphioxus has dorsal, ventral as well as caudal fin. |
| 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. | |
| 10640. |
Ligament is a [CBSE PMT 1999; BHU 2000] |
| A. | Modifed white fibrous tissue |
| B. | Modifed yellow elastic fibrous tissue |
| C. | Inelastic white fibrous tissue |
| D. | None of these |
| Answer» C. Inelastic white fibrous tissue | |
| 10641. |
Biogas can be a good substitute for [BHU 2000] |
| A. | Fuel wood |
| B. | Petroleum and oil |
| C. | Coal |
| D. | Charcoal |
| Answer» B. Petroleum and oil | |
| 10642. |
Assertion : Petrified fossils contain hard parts of organisms. Reason : Moulds and casts lack the remains of organisms. |
| 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 | |
| 10643. |
The bacterial genome refers to the total number of genes located upon a or The term 'genome' refers to the total number of genes combined in a [AIIMS 1994; Manipal 1995; MP PMT 1995, 98] |
| A. | Haploid set of chromosomes |
| B. | Diploid set of chromosomes |
| C. | Tetraploid set of chromosomes |
| D. | Hexaploid set of chromosomes |
| Answer» B. Diploid set of chromosomes | |
| 10644. |
Birds have bipedal locomotion as it [CPMT 1991] |
| A. | Reduces body weight |
| B. | Increases rate of locomotion |
| C. | Provides more support to the body |
| D. | Spares forelimbs for flight |
| Answer» E. | |
| 10645. |
The process of mitosis can be studied in [CPMT 1998; MHCET 2001; CBSE PMT 2002] |
| A. | Onion root tip |
| B. | Garlic root tip |
| C. | Tendril tip |
| D. | All of the above |
| Answer» E. | |
| 10646. |
Queen is specified for [CPMT 1972] |
| A. | Administration |
| B. | Making hive |
| C. | Egg laying |
| D. | Collection of food |
| Answer» D. Collection of food | |
| 10647. |
Read the assertion and reason carefully to mark the correct option out of the options given below: Assertion : Tobacco belongs to solanaceae. Reason : Tobacco was called as Pipe of Piece. |
| 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. | |
| 10648. |
Streptomycin was first isolated in 1944-45 by [CPMT 1982, 84, 85; BHU 1986; MP PMT 2002, 03] |
| A. | Leeuwenhoek |
| B. | Burkholder |
| C. | Alexander Fleming |
| D. | Waksman |
| Answer» E. | |
| 10649. |
Read the assertion and reason carefully: Assertion : Samara is a winged achenial fruit. Reason : Wings may or may not develop from its pericarp. |
| 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 | |
| 10650. |
Pinna is absent in [EAMCET 1994] |
| A. | Sirenia |
| B. | Primates |
| C. | Rodentia |
| D. | All of these |
| Answer» B. Primates | |