Biology questions
20584 published questions with worked solutions.
- Among the human ancestors the brain size was more than 1000 CC in:
- Which one of the following is a matching pair of a body feature and the animal possessing it?
- What is true about Nereis, Scorpion, Cockroach and Silver fish?
- "Foolish Seedling" disease of rice led to the discovery of:
- The first acceptor of electrons from an excited chlorophyll molecule of photosystem II is:
- Opening of floral buds into flowers, is type of:
- One gene - one enzyme relationship was established for the first time in:
- Male gametes in angiosperms are formed by the division of:
- Two cells A and B are contiguous. Cell A has osmotic pressure 10 atm, turgor pressure - 7atm and diffusion pressure deficit 3...Not in NEET syllabus
- In the leaves of C4 plants, malic acid formation during CO2 fixation occurs in the cells of:
- Which of the following is a flowering plant with nodules containing filamentous nitrogen-fixing microorganism?
- Which one of the following elements is not an essential micronutrient for plant growth?Not in NEET syllabus
- If you suspect major deficiency of antibodies in person, to which of the following would you look for confirmatory evidence?
- Which one of the following mammalian cells is not capable of metabolising glucose to carbon-dioxide aerobically?
- Compared to a bull a bullock is docile because of:
- In the human female, menstruation can be deferred by the administration of:
- In which one of the following preparations are you likely to come across cell junctions most frequently?
- Feeling the tremors of an earthquake a scared resident of seventh floor of a multistoryed building starts climbing down the...
- Which one of the following pairs of structures distinguishes a nerve cell from other types of cell?
- Which part of ovary in mammals acts as an endocrine gland after ovulation?