List of top Biology Questions

The release of sperms from the seminiferous tubules is called
The middle lamella is composed of
The initial step in the digestion of milk in humans is carried out by ?
The first recombinant DNA was constructed by linking an antibiotic resistant gene with the native plasmid of
The first human hormone produced by recombinant DNA technology is
The enzyme recombinase is required at which stage of meiosis?
The $C_{4}$ plants differ from $C_{3}$ plants with reference to the
Spiral or ribbon shaped chloroplast is present in
Select the correct statement:
Ringworm, a common infectious disease in man causing dry scaly lesions on the skin and scalp, is caused by
Refer the given figure of digestive system of earthworm and identify the part labelled X.
Plasmodium enters the human body as
Placenta and pericarp are both edible portions in
Oxidative decarboxylation of pyruvic acid results in the formation of I. $\quad$Acetyl CoA II. $\quad$C0$^2$ III. $\quad$ATP IV. $\quad$NADH + H$_+$
One hormone hastens the maturity period in juvenile conifers, a second hormone controls xylem differentiation while the third increases the tolerance of plants to various stresses and they are respectively
Non-albuminous seed is produced in
Match the sub-stage of prophase I of meiosis in Column 1 and the events in Column II and choose the right option.
Match column I with column II and select the correct option from the given codes.
Male gametophyte with least number of cells is present in
Leptocentric (amphivasal) vascular bundles are characteristically found in
Largest flower in the plant kingdom is found in
In Periplaneta americana the first and second pair of wings arise from
How are transformants selected from nontransformants?
'Cladode' is a characteristic morphological feature of
Cell wall of a fungal hyphae is composed of