Dinosaurs become extinct in from Biology NEET Year 2004 Free Sol

Subject

Biology

Class

NEET Class 12

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 Multiple Choice QuestionsMultiple Choice Questions

61.

The joint of radio-ulna with the upper arm is

  • hinge joint

  • pivot joint

  • socket joint

  • none of these


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62.

Dinosaurs become extinct in

  • Permian age

  • Triassic period

  • Jurassic period

  • Cretaceous period


D.

Cretaceous period

Dinosaurs become extinct in cretaceous period.                                                                             


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63.

The infective stage of Plasmodium is

  • sporozoite

  • merozoite

  • trophozoite

  • schizont


64.

A man of blood group 'A', marries a woman of blood group 'B', both of them are heterozygous for blood group, chances of their first child having blood group AB will be

  • 25%

  • 50%

  • 75%

  • 100%


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65.

Which one of the following is vestigeal organ of human

  • Hair

  • Intestine

  • Wisdom teeth

  • Muscle of glottis


66.

Which of the following pairs is correctly matched

  • Central dogma- Codon

  • Okazaki fragments - Splicing

  • RNA polymerase -RNA primer

  • Restriction enzymes - Genetic engineering


67.

Stanley Miller performed an experiment to prove the origin of life. They took gases NH3 and H2 along with

  • Nand H2O

  • H2O and CH4

  • CH4 and N2

  • CO2 and NH3


68.

If the pollen tube enters the ovule through funiculus, the phenomenon is known as

  • porogamy

  • chalazogamy

  • mesogamy

  • heterogamy


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69.

In split genes the coding sequences are called

  • introns

  • exons

  • cistrons

  • operons


70.

Which of the following is the most resistant material in pollen grain

  • Sporopollenin

  • Intine

  • Exine

  • Certicle


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