biology MCQs – Page 30

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 Review each marked answer and report any item that may be outdated or unclear.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
581. An illness which largely affects girls usually just after the onset of puberty.
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A. None of these

B. Obesity

C. Bulimia nervosa

D. Anorexia nervosa
582. four daughter cells are given to rise during the process of____________?
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A. none of these

B. mitosis

C. cell division

D. meiosis
583. Which of the following disease results in Paralysis due to viral attack on C.N.S:
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A. Polio

B. Measles

C. Herpes simplex

D. Hepatitis

584. Which of the statement about viruses is incorrect___________________?
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A. They are obligate intracellular parasite.

B. They can synthesize their nucleic acid

C. They are resistant to most of antibiotic treatment

D. We can not grow them in laboratories on artificial medias

585. In the lytic cycle of bacteriophage the host DNA is__________?
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A. Digested into its nucleotides

B. Replicated

C. Turn off by the protein coat.

D. Turned on by the removal of the protein coat

586. The word virus is derived from Latin word venome meaning____________?
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A. Salty Fluid

B. Poisonous Fluid

C. Sore Fluid

D. Sweet fluid

587. Which of the following are motile zooids in cnidarians?
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A. Polyps

B. Medusae

C. Both of these

D. None of these

588. Pepsinogen is produced from__________?
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A. Parietal cells

B. All of these

C. Zymogen cells

D. Mucous cells

589. Nitrifying bacteria are the examples of___________?
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A. Parasitic bacteria

B. Saprophytic bacteria

C. Chemosynthetic bacteria

D. Hetrotrophic bacteria

590. Gametophyte of Psilopsida develops a symbiotic association with which of the following______________?
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A. Fungus

B. Protozoa

C. Algae

D. Bacteria

591. The common waste material in bacteria is____________?
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A. Urea

B. Ammonia

C. Lactic acid

D. Glycogen

592. Prechordates is another name used for___________?
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A. Hemichordates

B. Vertebrates

C. Echinoderms

D. Chordates

593. Main blood vessel of arthropods usually:
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A. Lies on lateral side

B. Lies on ventral side

C. Lies on dorsal side

D. Is not present

594. Protein coat the capsid of adenovirus is________________?
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A. Surrounded by genome

B. Surrounding genome

C. Surrounding the envelope

D. Both B and C

595. The internal buds are known as__________?
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A. Gemmules

B. None of these

C. Spicules

D. Choanocytes

596. Body is globular in_________?
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A. Brittle star

B. Sea Urchin

C. Cake urchin

D. Sea cucumber

597. The skeleton of the sponges is in the form of variously shaped needle like structures called___________?
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A. Spines

B. Brails

C. Spicules

D. Stripules

598. In sponges fertilization takes place in____________?
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A. Ectoderm

B. Uterus

C. Mesenchyme

D. Endoderm

599. Amoeba belongs to which kingdom______________?
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A. Prokaryotae

B. Monera

C. Plantae

D. Protista
600. Aschelminthes is also known as____________?
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A. Protozoans

B. Eumatazoa

C. Nematodes

D. Protoctist ancestors