List of top Biology Questions

Which one of the following is a genetic disease?
The tadpole resembles fish most during this stage:
Birds like eagle and hawk in a grassland ecosystem are regarded as:
The gene for haemophilia is known to be located on:
The portal system seen in all vertebrates is:
Anastral mitosis is the characteristic of:
Water potential in the leaf tissue is positive (+) during
Which one of the following vitamins can be synthesized by bacteria inside the gut?
Krebs cycle occurs in
Photorespiration is favoured by
Identify the correctly matched pair
The exchange of genetic material between chromatids of paired homologous chromosomes during first meiotic division is called
Which vertebrate organ receives only oxygenated blood?
A gymnospermic leaf carries $16$ chromosomes. The number of chromosomes in its endosperm is
The first domesticated animal by primitive man was
'Taxon' is the unit of a group of
The breeding place of Flamingo (Hansawar) in India is most likely
Which one of the following is a micronutrient for plants?
The enzymes hexokinase which catalyses glucose to glucose-6- phosphate in glycolysis is inhibited by glucose-6-phosphate. This is an example of
The 'niche' of a species is meant for
The role of double fertilization in angiosperms is to produce
Process by which water enters in the roots due to diffusion, is termed as
Lampbrush chromosomes occur during
The smallest plant family 'Gymnosperm' has how many species?
At the end of glycolysis, six carbon compound ultimately changes into