List of top Biology Questions

Which of the following statements is wrong?
Walter Sutton is famous for his contribution to
The number of autosomes in human primary spermatocyte is
The metachromatic granules are
The clavicle articulates with ...... of scapula.
The chromosome constitution $2n - 2$ of an organism represents
Littoral zone is located along the
In plant biotechnology, PEG is used in
How many bio-geographical regions are present in India?
Darwin judged the fitness of an individual by
Colour blindness occurs due to
Chipko movement was first led by
Cereals belong to which of the following families?
cDNA is
Cardiac muscle is found in
If the total amount of adenine and thymine in a double-stranded DNA is $60\%$, the amount of guanine in this DNA will be
A plant species which has been exploited for the production of Hirudin is
Which one of the following would not lead to formation of clones?
The variation/difference in the off springs of a species from their parents constitutes an important component of
If two pea plants having red (dominant) coloured flowers with unknown genotypes are crossed, $75\%$ of the flowers are red and $25\%$ are white. The genotypic constitution of the parents having red coloured flowers will
Necrosis in crops is due to the deficiency of
A population growing in a habitat with limited resources shows four phases of growth in the following sequence.
Presence of bundle sheath is a characteristic of:
Blood cells involved in inflammatory reactions are
In blood group typing in human, if an allele contributed by one parent is $I^{4}$ and an allele contributed by the other parent is $i$ , the resulting blood group of the offspring will be