List of top Biology Questions

Which of the ecological pyramid is always upright?
Which hormone is produced in women only during pregnancy
Fixation of one molecule of $ CO_{2}$ through Calvin cycle requires
In the life history of ferns, meiosis occurs at the time of
During cell division, the spindle fibres get attached to the condensing chromosome at a highly differentiated region. This region is called
During replication of DNA, its two strands separate. Each of these serves as a template for the formation of new strands. Such type of replication is called
Darwins finches provide an excellent evidence in favour of organic evolution. These are related to which of the following evidences?
The length of one turn of the helix in B-form DNA is approximately
A research scholar once collected certain alga and found that its cells contained chlorophyll-$a$, chlorophyll-$d$ and phycoerythrin. The alga must belong to
Double fertilization (or trbsle fusion) leading to initiation of endosperm in angiosperms, requires
Eight nucleate embryo sacs are
Which disease is not caused by viruses ?
Which animal has the longest gestation period?
What is the Greek word for ecology?
What is the dental formula of rabbit?
What is a plasmid?
What do you mean by closed vascular bundle?
What are Singer and Nicolson known for?
Vitamin B is also called
Under unfavourable conditions many zooplankton species in lakes and ponds enter a stage of suspended development called
Trochophore larva is found in
Toxic substances are detoxified in human body in
This is not a nitrogenous waste.
The type of nutrition present in Entamoeba is
The total number of nuclei involved in double fertilisation in angiosperms are