Subject

Biology

Class

NEET Class 12

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 Multiple Choice QuestionsMultiple Choice Questions

51.

Neurohypophysis secretes

  • ADH and oxytocin

  • oxytocin and estrogen

  • vasopressin and GH

  • vasopressin and estrogen


52.

Pancreatic duct of a healthy dog is blocked. Which of the functions of pancreas will not be affected ?

  • Protein digestion

  • Carbohydrate digestion

  • Neutralization of chyme

  • Maintenance of normal blood sugar level


53.

Physiologically active thyroxine exists in which of the following form ?

  • Unbound

  • Bound to albumin

  • Bound to globulin

  • All of the above


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54.

A flower characterised by monadelphous tubular stamens belongs to :

  • Solanaceae

  • Liliaceae

  • Malvaceae

  • Brassicaceae


C.

Malvaceae

The plants of family Malvaceae has following characteristics:

  1. Hair on the body and mucilage in the tissues.
  2. Alternate phyllotaxy and stipulate leaves.
  3. Multicosatte reticulte venation of the leaves.
  4. Presence of epicalyx
  5. Monoadelphous stamens with monothecous.
  6. Spinous pollen
  7. Axile placentation.


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55.

In Musa, inflorescence is :

  • spadix

  • corymb

  • capitulum

  • polychasial cyme


56.

In oogamy, fertilization involves :

  • a small non- motile female gamete and a large motile male gamete

  • a large motile female gamete and a small non-motile male gamete

  • a large non- motile female gamete and a small motile male gamete

  • a large non-motile female gamete and a small non-motile male gamete


57.

In angiosperms, triple fusion results in the formation of:

  • zygotic nucleus

  • polar nucleus

  • secondary nucleus

  • primary endosperm nucleus


58.

The most accepted theory of ageing is :

  • less RBC in blood

  • thymus gland becomes non-functional

  • brain cells die with ageing

  • all of the above


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59.

Which of the following is a viral disease in silkworm ?

  • Flacherie

  • Grasserie

  • Muscardine

  • Pebrine


60.

Which of the following is not the example of marine fishes ?

  • Labeo

  • Mugil

  • Hilsa

  • Sardines


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