List of top Biology Questions

Anticodon is present on
A person is having problem with calcium and phosphorus metabolism in his body. Which one of the following glands may not be functioning properly ?
Lysosomes are the reservoirs (store houses) of
An animal without anus is
Non-cellular layer that connects inner surface of the epithelial tissue to the connective tissue is
During the summer season, which hormone concentration is maintained at high level ?
E. coli cells with a mutated $Z$ gene of the lac operon cannot grow in medium containing only lactose as the source of energy because
The Okazaki fragments in $DNA$ chain growth : -
Lead concentration in blood is considered alarming if it is
In chloroplasts, chlorophyll is present in the
Identify the correctly matched pair
Formation of RNA on DNA template is called
Sperms are nourished by
What happen to the O dissociation curve of haemoglobin if the pH is decreased.
At high altitudes, RBC of human blood will
Which of the following cells does not respire ?
Which is sesamoid bone ?
Heterocysts are found in
Which of the following is an egg laying mammal?
Haemodialysis is associated with
A heart murmur indicates a defective
When two unrelated individuals or lines are crossed, the per romance of $F _{1}$ hybrid is often superior to both parents. This phenomenon is called:
A cell swells up when kept in
Menstrual flow occurs due to lack of
Bulliform cells are found in