Multiple Choice Questions

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peptide synthesis inside a cell takes place in 

  • mitochondria

  • chromoplast

  • ribosomes 

  • ribosomes 


C.

ribosomes 

The cellular factory responsible for synthesising proteins (peptide synthesis) is the ribosome.

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Nucellar polyembryony is reported in species of

  • Gossypium

  • Triticum

  • Brassica

  • Brassica

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When two unrelated individuals or lines are crossed, the performance of F1 hybrid is often superior to both its parents. This phenomenon is called

  • transformation

  • splicing

  • metamorphosis

  • metamorphosis

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Archegoniophore is present in 

  • Chara

  • Adiantum 

  • Funaria

  • Funaria

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In which one of the following pollination is autogamous?

  • Xenogamy

  • Chasmogamy

  • Cleistogamy

  • Cleistogamy

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An organism used as a biofertilizer for raising soybean crop is 

  • Azospirillum

  • Rhizobium

  • Nostoc

  • Nostoc

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where will you look for the sporozoites of the malarial parasite?

  • Red blood corpuscles of humans suffering from malaria

  • Spleen of infected humans

  • Salivary glands of freshly moulted female Anopheles mosquito

  • Salivary glands of freshly moulted female Anopheles mosquito

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The testes in humans are situated outside the abdominal cavity inside a pouch called scrotum. The purpose served is for

  • escaping any possible compression by the visceral organs

  • providing more space for the growth of epididymis

  • Providing a secondary sexual feature for exhibiting the male sex

  • Providing a secondary sexual feature for exhibiting the male sex

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What type of human population is represented by the following age pyramid? 


  • Stable population

  • Declining Population

  • Expanding population

  • Expanding population

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he figures given below depicts a diagrammatic sectional view of the female reproductive system of humans. Which one set of three parts out of A-F have been correctly identified.


  • C- Infundibulum, D -Fimbriae, E -cervix

  • D- oviducal funnel, E Uterus, F- cervix

  • A - Perimetrium, B - Myometrium, C -Fallopian tube

  • A - Perimetrium, B - Myometrium, C -Fallopian tube

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