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More Biology Questions
The structural unit that is employed in place of seed is called
which of the following hepatitis is more contagious ?
The wax present on the body of cockroach is secreted:
Consider the following statements and choose the correct answer: 1. The effects of biotic factors include interactions amongst plants growing in a community, between plants and animals including man and between plants and soil-microorganisms 2. In a densly populated area, one of the most important types of biotic factors influencing vegetation is due to man's multifarious activities - this is noted in farming operations 3. Change or destruction of vegetation by fire is a direct biotic effect due to man's activities 4. In many cases different plant groups, plants and bacteria live in mutual benefit - this is called symbiosis in which each partner derives some benefit from the other
The vitamin that is destroyed on heating is