Biology questions
20584 published questions with worked solutions.
- The process of appearance of recombination nodules occurs at which sub stage of prophase I in meiosis?
- In the equation GPP - R = NPP, GPP is Gross Primary Productivity, NPP is Net Primary Productivity. R here is ________.
- The reaction centre in PS II has an absorption maxima at :
- Unequivocal proof that DNA is the genetic material was first proposed by :
- Spraying of which of the following phytohormone on juvenile conifers helps in hastening the maturity period, that leads early...
- During the purification process for recombinant DNA technology, addition of chilled ethanol precipitates out :
- In angiosperm, the haploid, diploid and triploid structures of a fertilized embryo sac sequentially are :
- Large, colourful, fragrant flowers with nectar are seen in :
- In tissue culture experiments, leaf mesophyll cells are put in a culture medium to form callus. This phenomenon may be called as :
- Given below are two statements : Statement I : The forces generated transpiration can lift a xylem-sized column of water over 130...Not in NEET syllabus
- The historic Convention on Biological Diversity, 'The Earth Summit' was held in Rio de Janeiro in the year :
- In gene gun method used to introduce alien DNA into host cells, microparticles of ________ metal are used.
- Axile placentation is observed in :
- Identify the correct statements: A. Detrivores perform fragmentation. B. The humus is further degraded by some microbes during...
- Among eukaryotes, replication of DNA takes place in :
- Given below are two statements : Statement I : Endarch and exarch are the terms often used for describing the position of...
- The phenomenon of pleiotropism refers to :
- Identify the pair of heterosporous pteridophytes among the following :
- Identify the correct statements: A. Lenticels are the lens-shaped openings permitting the exchange of gases. B. Bark formed early...
- Match List I with List II : List I: A. M Phase B. G_2 Phase C. Quiescent stage D. G_1 Phase List II: I. Proteins are synthesized...