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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.
| 9751. |
Basifixed monothecous anthers (OR) anthers with two microsporangia is characteristics of [RPMT 1984, 88, 89, 95; CPMT 1987] |
| A. | Leguminosae/Pea |
| B. | Malvaceae/Cotton |
| C. | Solanaceae/Tomato |
| D. | Liliaceae/Onion |
| Answer» C. Solanaceae/Tomato | |
| 9752. |
Which is the evidence to show that\[{{O}_{2}}\]is released in photosynthesis comes from water [CPMT 1988] |
| A. | Isotopic\[{{O}_{2}}\]supplied as\[{{H}_{2}}O\]appears in the\[{{O}_{2}}\]released in photosynthesis |
| B. | Isolated chloroplast in water releases\[{{O}_{2}}\] if supplied potassium ferrocyanide or some other reducing agent |
| C. | Photosynthetic bacteria use \[{{H}_{2}}S\]and \[C{{O}_{2}}\]to make carbohydrates |
| D. | All the above |
| Answer» E. | |
| 9753. |
Neurons found in early embryos are |
| A. | Unipolar neurons |
| B. | Bipolar neurons |
| C. | Pseudo-unipolar neurons |
| D. | Multipolar neurons |
| Answer» B. Bipolar neurons | |
| 9754. |
Number of cotyledons is Zea, Cycas and Pinus respectively are [BHU 2000] |
| A. | 1, 1, many |
| B. | 1, 2, 1 |
| C. | 1, 1, 1 |
| D. | 1, 2, many |
| Answer» E. | |
| 9755. |
How many codes are blank |
| A. | One |
| B. | Two |
| C. | Three |
| D. | Four |
| Answer» D. Four | |
| 9756. |
The science that deals with rearing and proper management of forest trees is called as [MP PMT 1998; AMU 1991; Orissa JEE 1991, 2002] |
| A. | Apiculture |
| B. | Sericulture |
| C. | Agriculture |
| D. | Silviculture |
| Answer» E. | |
| 9757. |
Feathery (hairy) style is persistant in [AFMC 1991] |
| A. | Solanum |
| B. | Clematis |
| C. | Helianthus |
| D. | Hibiscus |
| Answer» C. Helianthus | |
| 9758. |
What effect would occur on photosynthesis, if the amount of oxygen in the atmosphere decreases [RPMT 1997] |
| A. | Increase in\[{{C}_{3}}\]cycle and decrease in\[{{C}_{4}}\]cycle |
| B. | Increase in\[{{C}_{4}}\]cycle and decrease in\[{{C}_{3}}\]cycle |
| C. | Increase in\[{{C}_{3}}\]cycle and no change in \[{{C}_{4}}\]cycle |
| D. | Increase in\[{{C}_{4}}\]cycle and no change in\[{{C}_{3}}\]cycle |
| Answer» D. Increase in\[{{C}_{4}}\]cycle and no change in\[{{C}_{3}}\]cycle | |
| 9759. |
Wall lizard can run efficiently on vertical surfaces because of |
| A. | Tetrapod condition |
| B. | Pentadactyle condition |
| C. | Lamellae present under digits |
| D. | Tip of digits are rounded |
| Answer» D. Tip of digits are rounded | |
| 9760. |
A. Heterospory B. Seed formation C. Fertilization process What is appropriate for gymnosperms [RPMT 1997] |
| A. | AB true C false |
| B. | BC true A false |
| C. | ABC all true |
| D. | ABC all false |
| Answer» D. ABC all false | |
| 9761. |
Match the following 'A' 'B' A. Barr body 1. Gives a grey colour to the cell body. B. Purkinje cells 2. Conduction muscles of heart. C. Nissl bodies 3. Present in neurilemma. D. Schwann cell 4. Certain neurons having flask shaped cytons. E. Purkinje fibres 5. Found in cytons of female. The correct pairing is |
| A. | 5, 4, 1, 3, 2 |
| B. | 3, 2, 5, 1, 4 |
| C. | 5, 2, 1, 3, 4 |
| D. | 4, 3, 2, 5, 1 |
| Answer» B. 3, 2, 5, 1, 4 | |
| 9762. |
The branch which is associated with diagnosis, prevention and cure of mental disorders is [AIIMS 1997] |
| A. | Neurology |
| B. | Psychiatry |
| C. | Psychology |
| D. | Neuropsychiatry |
| Answer» C. Psychology | |
| 9763. |
Hair present on the cob of corn are [CBSE PMT 2000] |
| A. | Seed hairs |
| B. | Modified hairs of bracts |
| C. | Styles |
| D. | Stigmas and styles |
| Answer» E. | |
| 9764. |
Which type of coelom is found in frog [RPMT 2001] |
| A. | Enterocoel |
| B. | Schizocoel |
| C. | Pseudocoel |
| D. | Haemocoel |
| Answer» B. Schizocoel | |
| 9765. |
If half of the leaves of a plant are removed, the rate of photosynthesis would be |
| A. | More and the photosynthetic yield is also more |
| B. | More but the photosynthetic yield is less |
| C. | Less and the photosynthetic yield is also less |
| D. | Less but the photosynthetic yield is more |
| Answer» C. Less and the photosynthetic yield is also less | |
| 9766. |
Make correct pair [RPMT 1997] A. Cyanophyceae a. Green colour B. Chlorophyceae b. Blue green colour C. Phaeophyceae c. Red colour D. Rhodophyceae d. Brown colour |
| A. | Aa, Bb, Cc, Dd |
| B. | Ab, Bc, Cd, Da |
| C. | Ab, Ba, Cd, Bc |
| D. | Ad, Bd, Ca, Db |
| Answer» D. Ad, Bd, Ca, Db | |
| 9767. |
Malaria parasite harm liver cells [RPMT 1999] |
| A. | In erythrocytic cycle |
| B. | After erythrocytic cycle |
| C. | Before erythrocytic cycle |
| D. | None of these |
| Answer» D. None of these | |
| 9768. |
Thick sheath of connective tissue enclosing the entire nerve is [CMC Vellore 1993] |
| A. | Neurilemma |
| B. | Endoneurium |
| C. | Epineurium |
| D. | Perineurium |
| Answer» D. Perineurium | |
| 9769. |
Consider the following 1. Structural gene 2. Messenger RNA 3. Ribosomes 4. Transcription 5. Translation Which of the following is the correct sequence for protein synthesis |
| A. | 1, 4, 3, 2, 5 |
| B. | 1, 4, 5, 2, 3 |
| C. | 1, 4, 2, 3, 5 |
| D. | 3, 5, 4, 2, 1 |
| Answer» D. 3, 5, 4, 2, 1 | |
| 9770. |
Palynology is the study of [RPMT 1998] |
| A. | Roots |
| B. | Seeds |
| C. | Polination in plants |
| D. | Spores and pollen grains |
| Answer» E. | |
| 9771. |
Vexillum, alea and keel are [CPMT 1987, 1989] |
| A. | Androecium |
| B. | Gynoecium |
| C. | Corolla |
| D. | Calyx |
| Answer» D. Calyx | |
| 9772. |
Which one of the following combination is generally recommended for composite fish farming in India [MP PMT 2001] |
| A. | Catla, Cyprinus, Clarias |
| B. | Catla, Labeo, Cirrhinus |
| C. | Cirrhinus, Cyprinus, Channa |
| D. | Clarias, Chanos, Cyprinus |
| Answer» C. Cirrhinus, Cyprinus, Channa | |
| 9773. |
In humans, schizont stage of Plasmodium is found in [MP PMT 2003] |
| A. | Liver cells only |
| B. | Liver, spleen and blood cells |
| C. | RBCs and liver cells |
| D. | RBCs only |
| Answer» D. RBCs only | |
| 9774. |
Red sea phenomena due to |
| A. | Red algae |
| B. | Dinophyceae |
| C. | Diatoms |
| D. | Blue-green algae (Trichodesmium erythrium) |
| Answer» E. | |
| 9775. |
Which of the following is a sulphur containing amino acid [CMC Vellore 1994] |
| A. | Alanine |
| B. | Glycine |
| C. | Methionine |
| D. | Valine |
| Answer» D. Valine | |
| 9776. |
Persistant calyx is characteristics of [RPMT 1985, 88, 89] |
| A. | Allium/Liliaceae |
| B. | Hibiscus/Malvaceae |
| C. | Dalbergia/Papilionatae |
| D. | Solanum/Solanaceae |
| Answer» E. | |
| 9777. |
The plants which perform the act of photosynthesis\[-{{20}^{o}}C\]are |
| A. | Palm plants |
| B. | Mango plants |
| C. | Lichens |
| D. | All the above |
| Answer» D. All the above | |
| 9778. |
Fishes having swim bladder, which do not have direct communication with the exterior and where resorbent and secretory part is not sharply separated from one another are called as [MP PMT 2002] |
| A. | Physostomes |
| B. | Physoclists |
| C. | Euphysoclists |
| D. | Paraphysoclists |
| Answer» C. Euphysoclists | |
| 9779. |
When the gametophyte is not formed by spores but by any other part of sporophyte, it is known as [AIIMS 1998] |
| A. | Multispory |
| B. | Polyspory |
| C. | Apospory |
| D. | Germination |
| Answer» D. Germination | |
| 9780. |
Which lichen is known as 'old man's beard' |
| A. | Orchill |
| B. | Usnea |
| C. | Cladonia |
| D. | Parmelia |
| Answer» C. Cladonia | |
| 9781. |
During conjugation in Paramecium [BHU 1999; Pb. PMT 2004] |
| A. | Out of the four micronuclei formed, three nuclei degenerate |
| B. | Out of the twelve macronuclei formed, four nuclei degenerate |
| C. | Zygote nucleus undergoes eight successive divisions in each conjugant |
| D. | Out of the sixteen nuclei formed from zygote, 12 become macronuclei and 4 micronuclei |
| Answer» B. Out of the twelve macronuclei formed, four nuclei degenerate | |
| 9782. |
Threshold stimulus is |
| A. | Stimulus of specific strength which can excite muscle or nerve fibre |
| B. | Capacity of muscle to contract |
| C. | Stimulus to indicate the contraction |
| D. | None of the above |
| Answer» B. Capacity of muscle to contract | |
| 9783. |
In order to check purity of honey and its source, pollen grains are being studied in a sample of honey. Such a study is called as [AMU 2000] |
| A. | Palynology |
| B. | Aeropalyonology |
| C. | Melittopalynology |
| D. | Latropalynology |
| Answer» D. Latropalynology | |
| 9784. |
Which of the following is correct for photosynthesis |
| A. | Biological oxidation process |
| B. | Photochemical catabolic process |
| C. | Photo-oxidative metabolism |
| D. | Biological photometabolism |
| Answer» E. | |
| 9785. |
Most of the biochemical reactions differ from those occuring in the non-living world in |
| A. | Requiring energy |
| B. | Releasing energy |
| C. | Being enzymatic |
| D. | Being spontaneous |
| Answer» D. Being spontaneous | |
| 9786. |
An animal having diploblastic acoelomic condition is [DPMT 1982] |
| A. | Ascaris |
| B. | Sea Anemone |
| C. | Planaria |
| D. | Periplaneta |
| Answer» C. Planaria | |
| 9787. |
Microphyllous leaves are produced in |
| A. | Moss |
| B. | Selaginella |
| C. | Pteridium |
| D. | Pinus |
| Answer» C. Pteridium | |
| 9788. |
Puff ball is a [BHU 1989] |
| A. | Fungus |
| B. | Alga |
| C. | Moss |
| D. | Pine cone |
| Answer» B. Alga | |
| 9789. |
Which of the following can be used as bacteriological filter [JIPMER 2002] |
| A. | Gelidium |
| B. | Batrachospermum |
| C. | Oscillatoria |
| D. | Cymbella |
| Answer» E. | |
| 9790. |
Microvilli are present in |
| A. | Stratified squamous epithelium |
| B. | Cuboidal epithelium |
| C. | Columnar epithelium |
| D. | Ciliated epithelium |
| Answer» D. Ciliated epithelium | |
| 9791. |
When a frog is transferred from\[{{20}^{o}}C\]to\[{{30}^{o}}C\], its body temperature [CPMT 1982] |
| A. | Falls to\[{{15}^{o}}C\] |
| B. | Rises to\[{{30}^{o}}C\] |
| C. | Falls to\[{{12}^{o}}C\] |
| D. | Remain unchanged |
| Answer» C. Falls to\[{{12}^{o}}C\] | |
| 9792. |
Which of the character is dominant in pea plant |
| A. | Wrinkled seeds containing tall plants |
| B. | Red flower containing dwarf plant |
| C. | Both [a] and [b] |
| D. | Neither [a] nor [b] |
| Answer» E. | |
| 9793. |
One of the following can be used as an illustration to demonstrate process of evolution in animals [DPMT 1992] |
| A. | Extinction of some animals like cheetah |
| B. | Occurrence of tadpole in the life history of frog |
| C. | Presence of egg laying mammals in Australia |
| D. | Increasing incidents of DDT resistance in mosquitoes |
| Answer» E. | |
| 9794. |
Diadelphous stamens occur in [CPMT 1994, 95, 98, 99; Pb. PMT 1997, 99] |
| A. | Gramineae |
| B. | Cucurbitaceae |
| C. | Papilionatae |
| D. | Malvaceae |
| Answer» D. Malvaceae | |
| 9795. |
In chemosynthesis of\[N{{O}_{2}}\]bacteria, the carbohydrates are formed by |
| A. | \[N{{O}_{2}}\]and\[{{H}_{2}}O\] |
| B. | \[N{{H}_{3}}\]and\[C{{O}_{2}}\] |
| C. | \[C{{O}_{2}}\], \[{{H}_{2}}O\]and\[S{{O}_{2}}\] |
| D. | Hydrocarbons |
| Answer» C. \[C{{O}_{2}}\], \[{{H}_{2}}O\]and\[S{{O}_{2}}\] | |
| 9796. |
Stenohaline fishes are represented by [MP PMT 2002] |
| A. | Fresh water fishes only |
| B. | Marine fishes only |
| C. | Those which can tolerate a narrow range of salinity in water only |
| D. | Those which can tolerate a wide range of salinity in water |
| Answer» D. Those which can tolerate a wide range of salinity in water | |
| 9797. |
In which of the following, multiciliated/multiflagelated antherozoids are present [CPMT 1999; BHU 2003] |
| A. | Riccia and Funaria |
| B. | Pteris and Cycas |
| C. | Riccia and Cycas |
| D. | Marchantia and Riccia |
| Answer» C. Riccia and Cycas | |
| 9798. |
VAM represents [Haryana PMT 1994; CMC 2002] |
| A. | Saprophytic fungi |
| B. | Symbiotic fungi |
| C. | Saprophytic bacteria |
| D. | Symbiotic bacteria |
| Answer» C. Saprophytic bacteria | |
| 9799. |
Which is wrong combination [AIIMS 2001] |
| A. | Haemocyanin - Prawn |
| B. | Haemoglobin in mammals - RBC |
| C. | Haemoglobin in plasma - Pheretima |
| D. | Haemozoin - Plasmodium cytoplasm |
| Answer» E. | |
| 9800. |
Myxoxanthophyll is found in |
| A. | Bacteria |
| B. | Cyanobacteria |
| C. | Mycoplasma |
| D. | None of these |
| Answer» C. Mycoplasma | |