Biology questions
20584 published questions with worked solutions.
- During embryonic development, the establishment of polarity along anterior/posterior, dorsal/ventral or medial/lateral axis is...
- During transcription, the DNA site at which RNA polymerase binds is called : -
- In Drosophila, the sex is determined by : -
- What would happen if in a gene encoding a polypeptide of 50 amino acids, 25th codon (UAU) is mutated to UAA : -
- During anaerobic digestion of organic waste, such as in producing biogas, which one of the following is left undergraded : -
- Which one of the following concerns photophosphorylation : -
- Which element is located at the centre of the porphyrin ring in chlorophyll : -
- Which one of the following mineral elements plays an important role in biological nitrogen fixation : -Not in NEET syllabus
- In a flowering plant, archesporium gives rise to : -
- Differentiation of shoot is controlled by : -
- In sugarcane plant ^ 14 CO _2 is fixed in malic acid, in which the enzyme that fixes CO _2 is :-
- Stomata of a plant open due to : -
- Plants deficient of element zinc, show its effect on the biosynthesis of plant growth hormone -
- Which one of the following is wrong in relation to photorespiration : -
- The apical meristem of the root is present
- Biosystematics aims at : -
- Juicy hair-like structures observed in the lemon fruit develop from : -
- Which fractions of the visible spectrum of solar radiations are primarily absorbed by carotenoids of the higher plants : -
- Nicotiana sylvestris flowers only during long days and N. tabacum flowers only during short days. If raised in the laboratory...
- In which kingdom would you classify the archaea and nitrogen-fixing organism, if the five-kingdom system of classification is...