List of top Biology Questions

A pleiotropic gene
Capacitation refers to changes in the
Which of the following is not a sexually transmitted disease?
The introduction of T-DNA into plants involves
Ectopic pregnancies are referred to as
Which of the following had the smallest brain capacity?
Erythropoiesis starts in
A gene showing codominance has
The term 'linkage' was coined by
Multiple alleles are present
In the following human pedigree, the filled symbols represent the affected individuals. Identify the type of given pedigree.
In human females, meiosis-II is not completed until
Which of the following layers in an antral follicle is a cellular?
How many pairs of contrasting characters in pea plants were studied by Mendel in his experiments?
Alleles are
Match each disease with its correct type of vaccine.
Which of the following diseases is caused by a protozoan?
The terga, sterna and pleura of cockroach body are joined by
A fall in glomerular filtration rate activates
BOD refers to
Hibernating animals have tissues containing mitochondria with a membrane protein that accelerates electron transport while blocking the synthesis of ATP. What is the consequence of this?
The concepts of 'struggle for existence' and 'survival of the fittest' are essential parts of the evolutionary theory given by
Hisardale is obtained by crossing
The pioneer species in Xerarch and Hydrarch succession are respectively
The ancestors of modern day Frogs and Salamanders are