Biology questions
20584 published questions with worked solutions.
- Water pollution is caused due to [Pb. PMT 1999, BHU 2001]Not in NEET syllabus
- Generally speaking, the atmosphere in big cities is polluted most by [BHU 1990, AMU (Med.) 1991]Not in NEET syllabus
- In big cities, air pollution is due to [CPMT 1995]Not in NEET syllabus
- Odd pollutant amongst the following isNot in NEET syllabus
- Air pollution effects are usually found onNot in NEET syllabus
- How carbon monoxide, emitted by automobiles, prevents transport of oxygen in the body tissues? [CBSE PMT 1998]
- Which of the following is not a pollutant? [MP PMT 2003]Not in NEET syllabus
- One of the chief reasons among the following for the depletion in the number of species making it endangered is [K CET 2014]
- Which of the following is a water polluting factor? [CPMT 1980, MP PMT 1986, BHU 2000, BHU 1991]Not in NEET syllabus
- Which one of the following is an endangered plant? [AMU (Med.) 1998]
- Which of the following is most dangerous to wild life? [Pb. PMT 2000]
- Population grows due to
- The declining phase of a population occurs when
- A biologist studied the population of rats in a barn. He found that the average natality was 250, average mortality 240,...
- Mycorrhiza, a relationship between fungi and roots of higher plants is
- Which of the following is not a dynamics of population?
- If increase and decrease in mortality are designated as M^ + and M^ - and increase and decrease in natality as N^ + and N^ - ,...
- In any growing population, the maximum contribution is of
- Three levels of biodiversity are
- Genetic diversity is the measure of