List of top Biology Questions

Pollen tablets are available in the market for
The organization which publishes the Red list of species is
Function of filiform apparatus is to
Identify the given figure and select the correct option for $A$, $B$ and $C$.
A few normal seedlings of tomato were kept in a dark room. After a few days they were found i to have become white-coloured like albinos. Which of the following terms will you use to describe them?
Stimulation of a muscle fiber by a motor neuron occurs at
Deficiency symptoms of nitrogen and potassium are visible first in
Tracheids differ from other tracheary elements in
In vitro clonal propagation in plants is characterized by
The main function of mammalian corpus luteum is to produce
Anoxygenic photosynthesis is characteristic of
Geitonogamy involves
The hormone releasing IUD is
HCl converts pepsinogen into active enzyme pepsin. Pepsin converts protein into proteoses and peptones.
A human female with Turner's syndrome
In which one of the following processes CO2 is not released?
To obtain virus - free healthy plants from a diseased one by tissue culture technique, which part/parts of the diseased plant will be taken?
The motile bacteria are able to move by
Which one of the following statements is correct?
Which one of the following shows isogamy with non-flagellated gametes?
Which one of the following is wrong about Chara?
An aggregate fruit is one which develops from
Which of the following is responsible for peat formation?
Assisted reproductive technology, IVF involves transfer of
Archaebacteria differ from eubacteria in