Biology questions
20584 published questions with worked solutions.
- Which of the following devices are used to control pollution?Not in NEET syllabus
- In India, about ________ cities contribute ________ million litres of waste water to the river each dayNot in NEET syllabus
- ________ empowers to suspend the registration of vehicles which are emitting pollutant beyond a certain specified limitNot in NEET syllabus
- Addition of an excess material or heat to water which is harmful to humans, animals or desirable aquatic life is calledNot in NEET syllabus
- ________ certificate is mandatory for all vehicles to check pollutionNot in NEET syllabus
- Competition between the members of same species for the same resources in an ecosystem is called
- Which of the following age groups falls in the post-reproductive age group?Not in NEET syllabus
- Density of population is influenced by
- Which of the following is not a natural pollutant?Not in NEET syllabus
- Domestic water pollution is due toNot in NEET syllabus
- Which of the following example tells that the prey population has evolved various defences to survive?
- Which of the following is the natural cause of extinction of species?
- A well known example of mutualism is
- Unpleasant odour of H_2S at 5 ppm concentration causesNot in NEET syllabus
- In air pollution, 'dust' refers toNot in NEET syllabus
- Which of the following adaptations are shown by fishes? (i) Fishes have streamlined body covered with scales for protection (ii)...
- Which statement is not correct about parasitism?
- Population growth of a country depends upon
- The population of a place can be increased when
- In demography, we study