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Biology Plant Anatomy And Physiology Difficulty: Medium

A formation of little trees upto 4 m in height which are richly armed with thorns and for the most part have ternate or pinnate leaves, but are leafless during dry season is known as

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The chlorophyll b differs from chlorophyll a in having According to which of the following theories, multiple alleles do not represent gene mutations at a given locus but they occupy different loci which lie in close association in a chromosome? Consider the following statements. 1. Human beings have 23 pairs of chromosomes. 2. Sex chromosome in human male are named XY. 3. Chromosomes are best seen in metaphase. Which of the statements given above is/are false about chromosomes? If an unvemalized henbane plant is grafted to a Maryland Mammoth tobacco plant, Histamine concentration is highest in