List of top Biology Questions

Entamoeba histolytica differs from Amoeba proteus in not having
Stroma is the ground substance of
In a plant cell vacuole contains
Deficiency of sulphur causes chlorosis in plants. Sulphur is a constituent of chlorophyll, proteins and nucleic acids.
Women who consumed the drug thalidomide for relief from vomiting during early months of pregnancy gave birth to children with
Given below is a pedigree chart of a family with five children. It shows the inheritance of attached ear lobes as opposed to the free ones. The squares represent the male individuals and circles the female individuals. Which one of the following conclusions drawn is correct ?
The great barrier reef along the east coast of Australia can be categorised as
From evolutionary point of view, human gestation period is believed to be shortening. One major evolutionary trend in humans has been the larger head undergoing relatively faster growth rate in the foetal stage.
In a longitudinal section of a root, starting from the tip upward, the four zones occur in the following order:
Capitulum inflorescence is found in
Silent Valley is situated in
The treatment of snake bite by antivenine is an example of
Lysozymes are found in
In which one of the following pairs the two items mean one and the same thing
The binomial system of Carolus Linnaeus had categories except
Basis of stomatal opening is
Science which links heredity with environment is
Greatest biological problem which man faces today is
Conifers are found in
Lateral meristem is responsible for
just as hydrochloric acid is to pepsinogen, so is
Mongolism is also known as
Which cell organelle is present in both prokaryotic and eukaryotic cell?
Hyposecretion of growth hormone causes:
Human urine as compared to human blood is: