Multiple Choice Questions

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Which one is not correct?

  • Human - Ureotelic

  • Birds - Uricotelic

  • Lizards - Uricotelic

  • Whale - Ammonotelic


D.

Whale - Ammonotelic

The animals that excrete nitrogen in the form of urea are called ureotelic. Ureotelic animals include man and all other mammals and aquatic mammals like whales. So, whale is ureotelic and not ammonotelic.


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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


During starvation what will be sequence of ending of food stuffs ?

  • Carbohydrates - Fat- Protein

  • Carbohydrate - Protein - Fat

  • Fat - Protein - Carbohydrate

  • Fat - Carbohydrate- Protein


Documented microfossils have been found that are as old as

  • 2.5 billion years

  • 1.5 billion years

  • 3.5 billion years

  • 2.5 million years


The first animal domesticated by primitive man was

  • dog

  • horse

  • cat

  • cow


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Set which includes only analogous organs is

  • wings of butterfly, housefly and bat

  • hindlegs of horse, grasshopper and bat

  • wings of butterfly and wingspread of bat and birds

  • mandibles of cockroach, mosquito and honey bee


Which one of the following is vestigeal organ of human

  • Hair

  • Intestine

  • Wisdom teeth

  • Muscle of glottis


Dinosaurs become extinct in

  • Permian age

  • Triassic period

  • Jurassic period

  • Cretaceous period


Example of analogous organs is :

  •  wings of bird and insect

  • forelimbs of horse and man

  • teeth of elephant and man

  • none of the above


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Which of the following as a living fossil 

  •  Pinus 

  • Gnetum

  • Ginkgo 

  • Riccia


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