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In a ring girdled plant [AIPMT-2015]

Assertion : Water and electrolytes are almost fully absorbed in the large intestine. Reason : In large intestine, haustral contractions (slow segmenting movements) roll the forming faeces over and over, causing absorption of water and electrolytes. [2017]

Which typical stage is known for DNA replication?(1996)

Which among this is not a complex food substance?

The accessory pigments protect chlorophyll a from

By the time of 500 mya,_____ were formed and active.

Male gonads are called-

Which of the following is spread through conscious behaviour patterns?

Insulin, glucagon, pituitary hormones ara all examples of-

You are required to draw blood from a patient and to keep it in a test tube for analysis of blood corpuscles and plasma. You are also provided with the following four types of test tubes. Which of these you will not use for the purpose? (2004)