lsogamous condition with non-flagellated gametes is found in fro

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 Multiple Choice QuestionsMultiple Choice Questions

121.

Virus was discovered by whom

  • Stanley

  • Ivanowski

  • Herelle

  • Beijerinck


122.

Electron microscope is based on the principle of

  • electromagnetic theory

  • resolution of glass lenses

  • magnification of glass lenses

  • refraction of light


123.

Bacteriophages kill

  • fungi

  • parasites

  • bacteria

  • viruses


124.

Chitin is a

  • polysaccharide

  • nitrogenous polysaccharide

  • lipoprotein

  • protein


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125.

Lichens are described as indicator of

  • air pollution

  • water pollution

  • soil pollution

  • agriculture productivity


126.

Which one of the following viruses contains is a DNA and RNA?

  • Cyanophage

  • Herpes virus

  • Leuko virus

  • Polio virus


127.

Edible part of mushroom is

  • basidiocarp

  • primary mycelium

  • fungal hyphae

  • basidiospores


128.

Identify the correct sequence of events in the viral replication process.

I. Eclipse

II. Maturation

III. Adsorption

IV. Assembly

V. Penetration

VI. Lysis

  • I, II, III, IV, V, VI

  • II, I, III, IV, V, VI

  • III, V, I, II, IV, VI

  • III, V, VI, IV, II, I


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129.

Match the items in column I with those in Column II and choose the correct answer.
Column I Column II
A. Blue- green algae as biofertilizer 1. Ectomycorrhiza
B. Fungi as biofertilizer 2. Thiobacillus sp.
C. Free living nitrogen fixing bacteria 3. Anabaena sp.
D. Phosphate solubilizing bacteria

4. Clostridium sp.

5. Azospirillium sp.

  • A- 3; B- 1; C- 5; D- 2

  • A- 5; B- 1; C- 2; D- 4

  • A- 5; B- 4; C- 1; D- 2

  • A- 4; B- 2; C- 4; D- 2


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130.

lsogamous condition with non-flagellated gametes is found in

  • Chlamydomonas

  • Spirogyra

  • Volvox

  • Fucus


B.

Spirogyra

lsogamy is found in Spirogyra in which both gametes are non-motile.

In Chlamydomonas, all three conditions, isogamy anisogamy and oogamy are found. Both motile and non-motile gametes are found.

In Volvox and Fucus, oogamy is present, where non-motile egg fuses with motile sperm.


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