List of top Biology Questions

Sphagnum is commonly used as packing material for transshipment of living material due to its
Vascular plants which produce seeds but not fruits belong to the group
Which one of the following classes is included under gymnosperms ?
External fertilization occurs in majority of
Both chlorophyll a and b are present in
Valve present over left auriculo- ventricular opening is
QRS of ECG depicts
Choose the animals which are not ureotelic ?
Trophic levels in ecosystem is formed by
By which of the following methods, new and better varieties of plants can be formed?
During inspiration, the diaphragm
The species inhabiting the same geographical areas are
The shade tolerant plants are known as
The longest bone of the human body is
The enzyme which converts starch into maltose is
$ 2n=16 $ in a primary spermatocyte, which is in metaphase of first meiotic division: What shall be the total number of chromatids in each of the secondary spermatocyte?
Streptomycin is obtained from
Satiety centres of brain is present on
Rh factor is present in
Quantasomes are present in
Phenylketonuria is an autosomal recessive disorder located on chromosome
Ornithorhynchus is an example of
One haemoglobin carries how many molecules of $O_2$?
Muscular tetany can be caused by deficiency of
Most accepted theory for ascent of sap is