Biology questions
20584 published questions with worked solutions.
- One of the parents of a cross has a mutation in its mitochondria. In that cross, that parent is taken as a male. During...
- An ecosystem which can be easily damaged but can recover after some time if damaging effect stops will be having -
- In a longitudinal section of a root, starting from the tip upward, the four zones occur in the following order :-
- Which one of the following is living fossil :-
- Which form of RNA has a structure resembling clover leaf ?
- Common indicator organism of water pollution is :-
- If you are provided with root-tips of onion in your class and are asked to count the chromosomes which of the following stages...
- When a diploid female plant is crossed with a tetraploid male, the ploidy of endosperm cells in the resulting seed is :-
- What would be the number of chromosomes in the cells of the aleurone layer in a plant species with 8 chromosomes in its synergids...
- Pineapple (ananas) fruit develops from-
- Golden rice is a promising transgenic crop. When released for cultivation, it will help in
- Parthenocarpic tomato fruits can be produced by-
- The 'blue baby' syndrome results from-
- In which of the following fruits is the edible part the aril ?
- Which one of the following amino-acids was not found to be synthesized in Miller's experiment ?
- Montreal Protocol which calls for appropriate action to protect the ozone layer from human activities was passed in the year-Not in NEET syllabus
- The formula for exponential population growth is-
- Which one of the following is not used for construction of ecological pyramids ?
- Niche overlap indicates-
- In photosystem-I, the first electron acceptor is-