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#Question id: 11962

#7. System Physiology – Animal

 In the digestive system, peristalsis is ________.

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#Question id: 10334

#6. System Physiology – Plant

N2 combines with hydrogen to form ammonia under elevated temperature (about 200°C) and high pressure (about 200 atmospheres) and in the presence of a metal catalyst (usually iron). The extreme conditions are required to overcome the high activation energy of the reaction. This nitrogen fixation reaction, called

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#Question id: 23606

#Aptitude

A’s son B is married with C whose sister D is married to E the brother of B. How D is related to A?

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#Question id: 6963

#5. Developmental Biology

During early sea urchin development, which embryonic cells have similar organizer activity to that of amphibian Spemann organizer?

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#Question id: 9188

#9. Diversity of Life Forms

Which of the following are examples or parts of plantsʹ systemic acquired resistance against infection?