List of top Biology Questions

Darwins finches provide an excellent evidence in favour of organic evolution. These are related to which of the following evidences?
Double fertilization (or trbsle fusion) leading to initiation of endosperm in angiosperms, requires
Eight nucleate embryo sacs are
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
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
The technical term used for the androecium in a flower of china rose (Hibiscus rosasinensis) is
The taxon which includes related species is
The suicidal bags of the cell are
The Sphincter of Oddi found in man, guards the:
The source of Taq polymeraise used in $PCR$ is a
The size of mitochondria in plant cell is