Select the correct option to test your answer:
More Biology Questions
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 basic functional unit of kidney is
Which of the following is responsible for Irish potato famine?
The nitrogen fixing bacteria present in the root nodules of leguminous plant is
Numerous opportunistic diseases might attack a person suffering from which of the following diseases: