Subject

Biology

Class

NEET Class 12

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 Multiple Choice QuestionsMultiple Choice Questions

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41.

Which of the following statements is wrong for viroids?

  • They are smaller than viruses

  • They cause infections

  • Their RNA is of high molecular weight

  • Their RNA is of high molecular weight


C.

Their RNA is of high molecular weight

Viroids have RNA with low molecular weight. 

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42.

Which type of tissue correctly matches with its location?

  • Tissue Location
    Areolar tissue Tendons
  • Tissue Location
    ATransitional epithelium Teip of nose

  • Tissue Location
    Cuboidal epithelium Tlining of stomach

  • Tissue Location
    Cuboidal epithelium Tlining of stomach

1630 Views

43.

Which of the following pairs of hormones are not antagonistic (having opposite effects) to each other?

  • Insulin Glucagon
  • Aldosterone Atrial Natriuretic Factor
  • Relaxin Inhibin
  • Relaxin Inhibin
2610 Views

44.

Specialised epidermal cells surrounding the guard cells are called

  • sunbsidiary cells

  • bulliform cells

  • lenticels

  • lenticels

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45.

Which of the following is wrongly matched in the given table?

  • Microbe Product Application
    Monascus purpureus Statins Lowering of blood cholesterol
  • Microbe Product Application
    Streptococcus Streptokkinase Removal of clot from blood vessel
  • Microbe Product Application
    Clostridium buylicum Lipase Removal of oil stains
  • Microbe Product Application
    Clostridium buylicum Lipase Removal of oil stains
1030 Views

46.

Changes in GnRH pulse frequency in females is controlled by circulating levels of

  • estrogen and inhibin

  • progesterone only

  • progesterone and inhibin

  • progesterone and inhibin

2424 Views

47.

Identify the correct statement on 'inhibin'

  • is produced by granulosa cells in ovary and inhibits the secretion of FSH

  • is produced by granulosa cells in ovary and inhibits the secretion of LH

  • is produced by nurse cells in testes and inhibits the secretion of LH

  • is produced by nurse cells in testes and inhibits the secretion of LH

1873 Views

48.

It is much easier for a small animal to run uphill than a large animal, because

  • smaller animals have a higher metabolic rate

  • small animals have a lower Orequirement

  • the efficiency of muscles in large animals in less than in the small animals

  • the efficiency of muscles in large animals in less than in the small animals

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49.

A tall true breeding garden pea plant is crossed with a dwarf true breeding garden pea plant. When the F1 plants were selfed the resulting genotypes were in ratio of 

  • 1:2:1 :: Tall heterozygous: Tall homozygous: Dwarf

  • 3:1:: Tall: Dwarf

  •  3:1:: Dwarf: Tall

  •  3:1:: Dwarf: Tall

1498 Views

50.

Depletion of which gas in the atmosphere can lead to an increased incidence of skin cancers

  • ozone

  • ammonia

  • methane

  • methane

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