biology MCQs – Page 31

Practise multiple-choice questions from biology for competitive examinations and subject revision. Review each marked answer and report any item that may be outdated or unclear.

biology Mcqs
601. The sponges in which sperms develop first are included in the category of__________?
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A. Protendrous

B. Peritandrous

C. Pertandrous

D. Protandrous
602. Which of the following fishes contained lungs?
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A. Perch

B. Lamprey

C. Plaice

D. Dipnoi
603. Tobacco mosaic virus is__________?
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A. Rod Shaped

B. Hexagonal

C. Spherical

D. Tadpole like

604. Magnesium is present in which of the following__________________?
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A. ATP

B. Haemoglobin

C. Cytochromes

D. Chlorophyll
605. Which of the following virus has special affiliations with the tumor production:
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A. Retrovirus

B. Polio virus

C. Pox virus

D. Hepatitis virus

606. Who discovered the bacteria causing tuberculosis and also developed various techniques of media preparation and maintenance of pure culture_____________?
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A. Louis Pasteur

B. Robert Koch

C. Leeuwenhoek

D. Alexander Fleming

607. Of the following, which one has more variety of nutrition________________?
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A. Animals

B. Plants

C. Fungi

D. Bacteria

608. Which of the following is an RNA virus:
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A. Influenza virus

B. Herpes virus

C. Pox virus

D. HBV

609. Root like structure in saprotrophic fungi are called_______________?
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A. Rhizodis

B. Constricting rings

C. Hyphae

D. Haustoria

610. How many species of fungi are known till now?
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A. 10000000

B. 1000

C. 100000

D. 10000

611. Circulatory system is open type in all of the following except:___________?
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A. Arthropoda

B. Gastropoda

C. Pelecypoda

D. Cephalopoda
612. A sponge of Antarctica which is more than a meter tall is____________?
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A. Leucoselenia

B. Euplectella

C. Spongilla

D. Scolymastra joubini
613. The name Bacteriophage was coined by____________?
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A. Charles Chamberland

B. D Herelle

C. Twort

D. Ivanowski

614. Exoskeoeton of coelenterates terates is made up to__________?
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A. Calcium

B. Silica

C. Chitin

D. Both A & B

615. Both radial and bilateral symmetry is found in the phylum____________?
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A. None of these

B. Porifera

C. Protozoa

D. Echinodermata
616. Puccinia is a parasitic___________?
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A. Fungus

B. Animal

C. Plant

D. Algae

617. All of the following are true for Platyhelminthes except____________?
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A. Triploblastic

B. Coelomate

C. Flatwarms

D. Bilateral symmetry

618. Aquatic arthropods respire through__________?
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A. Spiracles

B. Gills

C. Book lungs

D. Both b and c
619. Of the following which one is not the characteristic of dinoflagellates?
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A. None of these

B. They have blooms

C. Most of them are unicellular

D. Their cells are often covered with shells of interlocking cellulose plates impregnated with calcium
620. E. coli and example of____________?
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A. Aerobic bacteria

B. Anaerobic bacteria

C. Facultative bacteria

D. Microaerophilic