Which of the following supports a dense population of plankton an

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 Multiple Choice QuestionsMultiple Choice Questions

41.

Which one is wrongly matched?

  • Uniflagellate gametes – Polysiphonia

  • Biflagellate zoospores – Brown algae

  • Unicellular organism – Chlorella

  • Gemma cups – Marchantia


42.

After karyogamy followed by meiosis, spores are produced exogenously in

  • Neurospora

  • Alternaria

  • Saccharomyces

  • Agaricus


43.

Identify the wrong combination

  • Dryopteris → Rhizome

  • Cycas → Coralloid roots

  • Volvox → Colonial form

  • Marchantia →Pseudoelaters


44.

Which one of the following is heterosporous?

  • Equisetum

  • Dryopteris

  • Salvinia

  • Adianturn


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45.

Lady finger belongs to family

  • Malvaceae

  • Cucurbitaceae

  • Brassicaceae

  • Liliaceae


46.

The interxylary phloem is found in the stem of

  • Cucurbita

  • Salvia

  • Calotropis

  • None of these


47.

Wound healing is due to

  • Ventral Meristem

  • Secondary meristem

  • Primary meristem

  • All of these


48.

In pteridophytes, phloem is without

  • bast fibers

  • Sieve tubes

  • Companion cells

  • Sieve cells


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49.

 Fern spores are usually

  • Haploid

  • Diploid

  • Triploid

  • Tetraploid


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50.

Which of the following supports a dense population of plankton and littoral vegetation?

  • Oligotrophic

  • Eutrophic

  • Lithotrophic

  • Agroecotrophic


B.

Eutrophic


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