Water is not necessary for the fertilisation of from Biology Pla

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 Multiple Choice QuestionsMultiple Choice Questions

181.

Arrange the following plants in descending order based on the number of locules in their ovaries.

I. Anacardium

II. Citrus

III. Asparagus

IV. Solanum

  • II, III, IV, I

  • III, I, IV, II

  • IV, III, I, II

  • I, IV, III, I


182.

Study the following Columns.
Column I Column II
A. Strobilanthus 1. Tiger claw plant
B. Martynia 2. Century plant
C. Lodoecia 3. Neelakuranji
D. Viola

4. Common pansy

5. Double coconut

  • A - 2; B - 3; C - 1; D - 5

  • A - 3; B - 2; C - 4; D - 5

  • A - 2; B - 1; C - 3; D - 5

  • A - 3; B - 1; C - 5; D - 4


183.

Identify the character which is absent in Fucus.

  • Hetrogametes

  • Oogamy

  • Non-flagellated male gamates

  • Holdfast


184.

Which of the following pair of characters distinguish Gnetum from Cycas and Pinus?

  • Abscence of resin duct and leaf venation

  • Prasence of vessel elements and absence of archegonia

  • Perianth and two integuments

  • Embryo development and apical meristem


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185.

Which one of the following classesis not a representative of green-algae?

  • Chlorophyceae

  • Charophyceae

  • Euglenophyceae

  • Crysophyceae


186.

'Sagopalm' is obtained from

  • Pinus

  • Cycas

  • Ginkgo

  • Datepalm


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187.

Water is not necessary for the fertilisation of

  • algae

  • bryophyta

  • Cycas

  • None of these


C.

Cycas

During the process of fertilization, Algae and bryophyta require water. Cycas does not require water for fertilization.


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188.

Respiratory roots (pneumatophores) are present in

  • mesophytes

  • halophytes

  • xerophytes

  • None of these


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189.

Which is present in vascular bundle ofPinus?

  • Tracheids

  • Vessels

  • Companion cells

  • All of the above


190.

In algae, the bacteriological filter is

  • Oscillatoria

  • Batrachospermum

  • Nostoc

  • Cosmarium


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