Multiple Choice Questions

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The movement of a gene from one linkage group to another is called

  • inversion

  • duplication

  • translocation

  • translocation


C.

translocation

The movement of a gene from one linkage group to another called translocation. 
It is a chromosomal abnormality caused by rearrangement of part between non-homologous chromosomes.

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DNA is not present in

  • chloroplast

  • ribosomes

  • nucleus

  • nucleus

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Which of the following endoparasites of humans does show viviparity?

  • Ancylostoma duodenale

  • Enterobius vermicularis

  • Trichinella spiralis

  • Trichinella spiralis

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Erythropoiesis starts in 

  • kidney

  • liver

  • spleen

  • spleen

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Which of the following characteristics is mainly responsible for diversification of insects on land?

  • Segmentation

  • Bilateral symmetry

  • Exoskeleton

  • Exoskeleton

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How many pairs of contrasting characters in pea plants were studied by Mendel in his experiments?

  • Five

  • Six

  • Eight

  • Eight

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Which of the following animals is not viviparous?

  • Flying fox(bat)

  • Elephant

  • Platypus

  • Platypus

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The hilum is a scar on the

  • seed, where funicle was attached

  • fruit, where it was attached to pedicel

  • fruit, where style was present

  • fruit, where style was present

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Nuclear envelope is derivative of

  • smooth endoplasmic reticulum

  • membrane of Golgi complex

  • microtubules

  • microtubules

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The terga, sterna and pleura of cockroach body are joined by

  • cementing glue

  • muscular tissue

  • arthrodial membrane

  • arthrodial membrane

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