List of top Biology Questions

Which of the following is not of biotic origin?
Terms cistron, mucon and recon were coined by
A vertebra with posteriorly concave and anteriorly convex centrum is called
A special cell called heterocyst is found in
Who is the ??ather of endocrinology??
??inged petiole??is found in
Which of the following are correct for axolotl larva? (i) it shows neoteny and paedogenesis (ii) absence of thyroxine affect metamorphosis (iii) it is die larva of hemichordata
The $Ti$ plasmid, is often used for making transgenic plants. The plasmid is found in
The term ??eiosis??was coined by
The table below shows the comparison of different transport process. Identify the correct comparison
The stage between two meiotic divisions is called interkinesis and
The stage at the end of reproductive phase is
The sporophytic phase in Funaria is well developed and composed of
The smallest living cells known are,
The site of EMP pathway is
The sequence of structural genes in lac operon is
The separation of two chromatids of each chromosome at early anaphase is initiated by
The human chromosome with the highest and least number of genes in them are respectively
The growth phase of an organism before attaining sexual maturity is referred to as
The given figures represent types of meiosis. Identify them and select the correct option. A B C
The given figure shows the vertical section of human heart. Identify the parts labelled as $A$ to $K$.
The given diagram represents the $T.S$. of gut. Identify $A, B, C$ and $D$
In Krebs cycle :
The genetic material of $HIV$ is
The gene $'rop'$ present in $pBR322$ cloning vector, codes for