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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)

The thymus plays a major role in the development of the_________ system.

Which of the following trophic levels would have the largest numbers of individuals?

An adult human with average health has systolic and diastolic pressures as (1998)

In hemodialysis the dialysing unit containing pumped blood is called as

In wheat, solid stems lead to non-preference by the-

species-area relationships among very large areas like the entire continents, the Z values will be in the range ?

The photosensitive compounds (photopigments) in the human eyes is composed of-

The word auxin is derived from Greek word 'auxein' which means

What colour is lymph?