biology Mcqs
651. The size of Spirochete is_____________?
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A. 0.1 -600 um

B. 0.75-1.25 um

C. 500 um

D. 100-200 nm

652. A virion is______________?
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A. Viral lysozyme

B. Viral protein

C. Virus

D. Viral gene

653. The single main opening of the sponge cavity is____________?
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A. Osculum

B. Ostia

C. None of these

D. Spongocoel

656. Coccobacillus has a shape similar to________________?
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A. Diplobacillus

B. None of these

C. Egg

D. Sarcina

657. Hunger contractions are _____ contractions?
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A. Voluntary

B. Antiperistalsis

C. None of these

D. Peristalsis
658. Cell wass of Archaeobacteria does not contain_____________________?
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A. Peptidoglycan

B. Proteins

C. Polysaccharides

D. Glycoproteins

659. Radiolarians belong to which of the following protozoal group____________?
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A. Apicomplexans

B. Actinopods

C. Foraminifera

D. Zooflagellates

660. At which stage in the life cycle of Rhizopus meiosis takes place?
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A. Fusion of two hyphae

B. Formation of sporangiophore via germination of zygospore.

C. Formation of Zygote by fusion of gametangia.

D. Formation of spores in sporangia

662. Lime stone deposits are formed from__________?
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A. Zooflagellates

B. Foraminferans

C. Aetinopods

D. Apicomplexans

663. Spores in sporangia are produced by process?
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A. Sexual

B. Asexual

C. Both of these

D. None of these

666. The drfinite shape to ciliates is given by____________?
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A. Penicle

B. Calcium

C. Pellicle

D. Cell wall

667. True metamorphosis is not present in________?
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A. Arachnida

B. Crustacea

C. Insecta

D. Myriapoda

669. Sperms are _________ in origin.
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A. Mesodermal

B. Endodermal

C. Ectodermal

D. None of these

670. Of the following which one has glassy shells________________?
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A. Radiolarians

B. Forams

C. Both of these

D. None of these

671. Lichen is a symbiotic mutualistic association of fungi with______________?
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A. Leguminous plants

B. Autotrophs

C. Roots of vascular plants

D. Green algae and cyanobacterium
672. Hydra is an example of ______________ feeder?
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A. All of these

B. Macrophagous

C. Fluid

D. Fluid

675. The function of coelom is__________?
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A. None of these

B. To help in the functioning of reproductive system

C. To increase the size of the animals

D. To provide space for the development of organs and systems
676. Mantle in molluscs is present over____________?
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A. Head

B. Dorsal visceral region

C. All of these

D. Ventral muscular foot

677. In which of the following example of fungi dikaryotic hyphae exist for long period?
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A. Deuteromycota

B. Basidiomycota

C. All of these

D. Zygomycota

678. The name animal is derived from the word__________?
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A. Anima

B. All of these

C. Aname

D. Anemia

679. Rapid growth at exponential ration occurs in which phase of bacterial growth:
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A. Stationary phase

B. Death / decline phase

C. Lag phase

D. Log phase
680. Vaccine Was discovered by______________?
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A. Stanely

B. Ivanowski

C. Edward Jennar

D. Louis Pasteur

681. Inner layers of the sponges are made up of__________?
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A. Choanoytes

B. Pinacoderm

C. Pinacocytes

D. Choanoderm

682. Examples of Rhodophytes are___________?
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A. Chondrus

B. Polysiphonia

C. Both of these

D. Pinnularia

683. Unicellular fungi which is non-hyphal is___________?
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A. Penicillium

B. Mold

C. Yeast

D. Mushroom

684. Plasmodium belongs to__________?
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A. Actinopods

B. Apicomplexans

C. Ciliates

D. Foraminferans

685. Gut in pseudocoelomates is made from___________?
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A. Endoderm

B. All of these

C. Ectoderm

D. Mesoderm

686. Coelom is lined by__________?
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A. Parietal mesoderm

B. Visceral mesoderm

C. Mesoderm

D. Both A & B
691. Carbohydrates, fats & proteins are essential for_______________?
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A. All of these

B. Metabolic processes of an organism

C. Formation of sturctures

D. Providing energy

692. Spores produced by slime molds are__________?
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A. Triploid

B. None of these

C. Haploid

D. Diploid

694. Coenocytic hyphae are also known as______________?
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A. Perforated hyphae

B. Aseptate

C. Uninucleate hyphae

D. Septate

695. Brown algae are also known as___________?
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A. Chrysophyta

B. Pyrrophyta

C. Phaeophyta

D. Rhodophyta

696. Which of the following of bryophytes are the simplest one?
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A. Funaria

B. Porella

C. Polytrichum

D. Anthocerus

697. The fate of each blastomere is foretold. The cleavage will be as____________?
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A. Spiral and determinate

B. Radial and indeterminate

C. Spiral and indeterminate

D. Radial and indeterminate