List of top Biology Questions

Adult Culex and Anopheles can be distinguished with the help of
Cytokinins are known to :
Meroblastic cleavage is a division which is
Organisms which are indicator of SO pollution of air
Soil particles determine its
Experiments on Acetabularia by Hammerling proved the role of
In guard cells when sugar is converted into starch, the stomatal pore
Flowering dependent on cold treatment is
A bicollateral vascular bundle is characterised by
Resin and turpentine are obtained from
Conversion of starch to organic acids is required for
Sound box of birds is called
Guttation is mainly due to
At constant temperature, the rate of transpiration will be higher at
Epipetalous stamens with free filaments and fused anthers occur in
Which of the following is used to determine the rate of transpiration in plants?
Out of 36 ATP molecules produced per glucose molecule during respiration
End products of aerobic respiration are
Vivipary is
Meiosis is best observed in dividing
Cells formed in bone marrow include
Characteristics of smooth muscle fibres are
All types of plastids possess essentially the same structure because they
An outer covering membrane is absent over
Fertility of soil is measured by its ability to