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#Question id: 8907


The endoskeletons of most vertebrates are composed of calcified

#Section 2: Evolution
  1. cartilage.
  2. silica.
  3. chitin.
  4. dentin.

Answer:- Option(s): 1


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#Question id: 10836

#Section 2: Evolution

Which of the following is an example of a plant morphological defence?

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#Question id: 10613

#Section 1: Ecology

Life-history characteristics associated with K-selected organisms include

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#Question id: 10594

#Section 1: Ecology

Which of the following is not characteristic of ruderal species?

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#Question id: 7499

#General Aptitude

Two trains, one from A to B and the other from B to A, start simultaneously. After theymeet, the trains reach their destinations after 4 h and 9 h respectively. The ration of their speeds is

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#Question id: 11918

#Section 1: Ecology

A succession which begins when rooted aquatic plants become established at the edge of a pond, is known as,

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