List of top Biology Questions

In the following pairs, where do you get lignin in both the element?
Study of pollen grain is called
Which of the following sequence is a correct one foar meiotic cell cycle?
When does a plant wilt?
Which chemical is used for induction of polyploidy?
Broca's motor area for speech is located in
Passive immunity can be obtained through
Wings of birds and fore limbs of horse are $\ldots\ldots$ organs ?
Rate of heart beat is reduced by
Ridges present in the ventricles are
Cell fragments of megakaryocytes yield
In angiosperms, floral bud is covered by whorl of
Short twisted strands of hyphae which serves as anchors for lichens are
During lytic life cycle of a virulent DNA phage which of the following does not occur ?
A virus containing ssRNA acting as a templatefor DNA synthesis is called as
Helically coiled bacteria are called
Paramoecium is a
A person affected by disease having chromosome complement XXX is called
On the basis of rRNA genes bacteria are divided into
Bacteria protect themselves from viruses by fragmenting viral DNA upon entry with
Guard cells control
Yellowish edges appear in leaves deficient in
Photolysis of water by isolated chloroplasts was demonstrated by
Most of the biological energy is supplied r mitochondria through
Astral rays are formed of