List of top Biology Questions

Which of the following event occurs during $G_{1}$ -phase?
Competition of species leads to
Plants purify air by which process?
One of the characteristic of sieve tube is
From which of the following, photosyntheric autotrophs receive their energy?
In the following pairs, where do you get lignin in both the element?
A substance that induces dormancy of seed is
Study of pollen grain is called
When does a plant wilt?
Which of the following sequence is a correct one foar meiotic cell cycle?
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 ?
Ridges present in the ventricles are
Rate of heart beat is reduced by
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