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.
| 13701. |
Mycoplasma are not sensitive to [MP PMT 2000] |
| A. | Streptomycin |
| B. | Penicillin |
| C. | Erythromycin |
| D. | Neomycin |
| Answer» C. Erythromycin | |
| 13702. |
The membrane of which one of the following micro-organism is three layered |
| A. | Nostoc |
| B. | Mycoplasma |
| C. | E. coli |
| D. | Rhodospirillum |
| Answer» C. E. coli | |
| 13703. |
Doxycycline treatment cure |
| A. | Common cold caused by virus |
| B. | Polio caused by virus |
| C. | Male sterility caused by mycoplasma |
| D. | None of these |
| Answer» D. None of these | |
| 13704. |
Which of the following are called bacteria without cell wall [CPMT 2000; BVP 2001; MHCET 2002] |
| A. | Virus |
| B. | Viroid |
| C. | Mycoplasma |
| D. | Cyanobacteria |
| Answer» D. Cyanobacteria | |
| 13705. |
Which of the following is osmotically fragile |
| A. | Bacteria |
| B. | Nostoc |
| C. | Mycoplasma |
| D. | None of these |
| Answer» D. None of these | |
| 13706. |
"Dodder'' can transmit |
| A. | Mycoplasmal diseases |
| B. | Viral diseases |
| C. | Both (a) and (b) |
| D. | None of these |
| Answer» D. None of these | |
| 13707. |
Blue-green algae belong to [CPMT 1982] |
| A. | Myxomycetes |
| B. | The eukaryota |
| C. | The prokaryota |
| D. | Neither the eukaryota nor the prokaryota |
| Answer» D. Neither the eukaryota nor the prokaryota | |
| 13708. |
Milk is changed into curd by [MP PMT 2002] |
| A. | Acetobactor aceti |
| B. | Bacillus megatherium |
| C. | Xanthomonas citri |
| D. | None of these |
| Answer» E. | |
| 13709. |
Nitrogen fixation by Nostoc takes place in [MP PMT 1996; Orissa JEE 2004] |
| A. | Heterocysts |
| B. | Vegetative cells |
| C. | Akinetes |
| D. | Hormogonia |
| Answer» B. Vegetative cells | |
| 13710. |
Assertion : Prokaryotic chromosome differs from a eukaryotic one by the absence of histone proteins. Reason : Bacterial cell is prokaryote. |
| 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 |
| Answer» B. If both the assertion and reason are true but the reason is not a correct explanation of the assertion | |
| 13711. |
In manufacture of bread, it becomes porous due to release of \[C{{O}_{2}}\] by the action of [CBSE PMT 2002] |
| A. | Virus |
| B. | Yeast |
| C. | Bacteria |
| D. | Protozoans |
| Answer» C. Bacteria | |
| 13712. |
In Albugo the food reserve is mostly [RPMT 1995] |
| A. | Glycogen |
| B. | Volutin granules |
| C. | Protein granules |
| D. | Fat |
| Answer» B. Volutin granules | |
| 13713. |
Which statement is incorrect for Albugo [RPMT 1995, 96] |
| A. | Biflagellated male gametes |
| B. | Non-flagellated female gametes |
| C. | Biflagellated zoospores |
| D. | All of the above |
| Answer» B. Non-flagellated female gametes | |
| 13714. |
Fungus without any mycelium is [BHU 2000; MHCET 2000] |
| A. | Albugo |
| B. | Agaricus |
| C. | Puccinia |
| D. | Saccharomyces |
| Answer» E. | |
| 13715. |
Baker yeast is [Orissa JEE 2005] |
| A. | S. cerevisiae |
| B. | S. ludwingai |
| C. | S. octosporus |
| D. | Schizosaccharomyces |
| Answer» B. S. ludwingai | |
| 13716. |
Warm and humid condition is most favourable for the growth of |
| A. | Mucor |
| B. | Moss |
| C. | Selaginella |
| D. | Pinus |
| Answer» B. Moss | |
| 13717. |
Species of Rhizopus |
| A. | Homothallic |
| B. | Heterothallic |
| C. | Mostly homothallic rarely heterothallic |
| D. | Mostly heterothallic rarely homothallic |
| Answer» E. | |
| 13718. |
The disease caused by Rhizopus sp. |
| A. | Early blight of potato |
| B. | Damping of seedlings |
| C. | Soft rot in sweet potato |
| D. | Blast disease in rice |
| Answer» D. Blast disease in rice | |
| 13719. |
Food stored in Rhizopus / Mucor as [RPMT 1985, 87, 96, 2000; MP PMT 1987; CBSE PMT 1992] |
| A. | Protein and steriods |
| B. | Sugar and oil |
| C. | Protein and starch |
| D. | Glycogen and oil |
| Answer» E. | |
| 13720. |
In Mucor and Rhizopus there occurs a phenomenon known as heterothallism which means |
| A. | Fusion of two gametes from two thalli of opposite strains |
| B. | Fusion of two gametes from thalli of similar stain |
| C. | Formation of a zygospore partheno-genetically |
| D. | Torula stage |
| Answer» B. Fusion of two gametes from thalli of similar stain | |
| 13721. |
Mycorrhizal association occurs in Pinus, Ficus and [Haryana PMT 2000] |
| A. | Utricularia |
| B. | Legumes |
| C. | Eucalyptus |
| D. | Azardirachta |
| Answer» D. Azardirachta | |
| 13722. |
Which is not true for fungi [AMU PMT 2005] |
| A. | They can be saprophytic |
| B. | They can be multicellular |
| C. | They can be photosynthetic |
| D. | They can be anaerobic |
| Answer» D. They can be anaerobic | |
| 13723. |
Incurrent canals are lined by [CPMT 1998] |
| A. | Choanocytes |
| B. | Pinacocytes |
| C. | Porocytes |
| D. | None of the above |
| Answer» C. Porocytes | |
| 13724. |
Canal system is a characteristic of [BHU 1982, 85, 2000, 02; CPMT 1996; CBSE PMT 1999, RPMT 1999] |
| A. | Hydra |
| B. | Sponge |
| C. | Sea anemone |
| D. | Sea urchin |
| Answer» C. Sea anemone | |
| 13725. |
Sycon belongs to a group of animals which are best described as [CBSE PMT 2003] |
| A. | Unicellular or acellular |
| B. | Multicellular without any tissue organisation |
| C. | Multicellular with a gastrovascular |
| D. | Multicellular having tissue organisation, but no body cavity |
| Answer» C. Multicellular with a gastrovascular | |
| 13726. |
Nutrition is sponges is [CPMT 1993] |
| A. | Extracellular |
| B. | Intracellular |
| C. | First extracellular and then intracellular |
| D. | First intracellular and then extracellular |
| Answer» C. First extracellular and then intracellular | |
| 13727. |
Cell aggregate body plan is found in the |
| A. | Volvox |
| B. | Colonial protozoans |
| C. | Porifera |
| D. | Both A and C |
| Answer» D. Both A and C | |
| 13728. |
Animal which passes water current through its body for food is [DPMT 1986] |
| A. | Star fish |
| B. | Sponge |
| C. | Hydra |
| D. | Earthworm |
| Answer» C. Hydra | |
| 13729. |
What is found in a sponge [CPMT 1996, 2002; RPMT 1995] |
| A. | Choanocytes |
| B. | Nematocysts |
| C. | Amoebocytes |
| D. | Interstitial cells |
| Answer» B. Nematocysts | |
| 13730. |
Classification of Phylum Porifera is based on [CBSE PMT 1991] |
| A. | Nutrition |
| B. | Spicules |
| C. | Locomotion |
| D. | Reproduction |
| Answer» C. Locomotion | |
| 13731. |
Sponges are [BVP 2003] |
| A. | Sessile |
| B. | Planktonic |
| C. | Free-swimming |
| D. | Pelagic |
| Answer» B. Planktonic | |
| 13732. |
A Chamber common to all types of canal system of sponges is called [CPMT 1973, 78; AFMC 1985] |
| A. | Paragastric cavity |
| B. | Radial chamber |
| C. | Excurrent canal |
| D. | Incurrent canal |
| Answer» B. Radial chamber | |
| 13733. |
Rhabdites occur in [AIIMS 1999; RPMT 2000] |
| A. | Planaria/Dugesia |
| B. | Fasciola |
| C. | Taenia |
| D. | Echinococcus |
| Answer» B. Fasciola | |
| 13734. |
?Triploblastic, unsegmented, acoelomate exhibiting bilateral symmetry and reproducing both asexually and sexually with parasitic forms.? The above description is characteristic of phylum [Kerala CET 2005] |
| A. | Platyhelminthes |
| B. | Annelida |
| C. | Ctenophora |
| D. | Cnidaria (e) Porifera |
| Answer» B. Annelida | |
| 13735. |
Mehlis?s glands of Tapeworm are associated with [BHU 2002] |
| A. | Reproduction |
| B. | Excretion |
| C. | Respiration |
| D. | Circulation |
| Answer» B. Excretion | |
| 13736. |
Cercaria stage of Fasciola hepatica leads to [AMU 2000] |
| A. | Sporocyst |
| B. | Redia |
| C. | Miracidium |
| D. | Metacercaria |
| Answer» E. | |
| 13737. |
Taenia solium is characterised by [RPMT 1995] |
| A. | Absence of digestive tract |
| B. | Presence of hooks for adhesion |
| C. | Externally divided body |
| D. | All the above |
| Answer» E. | |
| 13738. |
Larva of Schistosoma is [AFMC 1988] |
| A. | Cercaria |
| B. | Planula |
| C. | Cysticercus |
| D. | Muller?s larva |
| Answer» B. Planula | |
| 13739. |
Transfer of Taenia to secondary host occurs as [CBSE PMT 1989] |
| A. | Onchosphere |
| B. | Cysticercus |
| C. | Morula |
| D. | Egg. |
| Answer» B. Cysticercus | |
| 13740. |
Tapeworm does not possess digestive system as it [BHU 1985, 94] |
| A. | Does not require solid food |
| B. | Obtains food through general surface |
| C. | Does not require food |
| D. | Lives in intestine |
| Answer» C. Does not require food | |
| 13741. |
The free living platyhelminthes are |
| A. | Turbellaria |
| B. | Cestoda |
| C. | Trematoda |
| D. | Trematoda and cestoda |
| Answer» B. Cestoda | |
| 13742. |
Tapeworm is placed in the class [CPMT 1981] |
| A. | Cestoda |
| B. | Trematoda |
| C. | Sporozoa |
| D. | Suctoria |
| Answer» B. Trematoda | |
| 13743. |
Turbellarians are free living [CPMT 2000] |
| A. | Nematodes |
| B. | Annelids |
| C. | Trematodes |
| D. | Flatworm |
| Answer» E. | |
| 13744. |
In nemathelminthes the coelom is not lined by peritoneum is [AFMC 2004] |
| A. | A coelom |
| B. | Pseudocoelom |
| C. | Enterocoelom |
| D. | Haemocoel |
| Answer» C. Enterocoelom | |
| 13745. |
Adult Wuchereria bancrofti attacks [AIIMS 2002] |
| A. | Nervous system |
| B. | Lymph vessels |
| C. | Muscular system |
| D. | Blood vessels |
| Answer» C. Muscular system | |
| 13746. |
Filariasis is due to [AMU 2001] |
| A. | Virus |
| B. | Protozoan |
| C. | Bacterium |
| D. | Helminths |
| Answer» E. | |
| 13747. |
In India, filariasis is transmitted by [AMU 2000] |
| A. | Culex fatigens |
| B. | Anopheles culicifacies |
| C. | Musca domestica |
| D. | Aedes aegypti |
| Answer» B. Anopheles culicifacies | |
| 13748. |
Which of the following groups have one or more animals which are not pseudocoelomate [AFMC 1993] |
| A. | Ascaris, taenia |
| B. | Enterobius, wuchereria |
| C. | Ancylostoma, dracunculus |
| D. | Ascaris, ancylostoma |
| Answer» B. Enterobius, wuchereria | |
| 13749. |
Wuchereria causes a disease in parts of India [BHU 1996] |
| A. | Filariasis-South India |
| B. | Elephantiasis-Bihar |
| C. | Elephantiasis-Karnataka |
| D. | None of the above |
| Answer» B. Elephantiasis-Bihar | |
| 13750. |
Sensory structures in Ascaris are [RPMT 1995] |
| A. | Phasmids |
| B. | Amphids |
| C. | Papillae |
| D. | All the above |
| Answer» E. | |