List of top Biology Questions

Oral contraceptives are prescribed in females to check :
Nif genes occur in
Mendelian recombinations are due to:
Haemoglobin is having maximum affinity with
Which one of the following enzymes initials protein digestion?
Down's syndrome is
The pungent odour of faeces is due to ne presence of
Which type of cells secretes $ HCl$ in stomach'
Chymotrypsin is produced by:
Somaclonal variation can be obtained by
Total number of bones found in right upper limb is :
Which of the following nephridia does not found in earthworm?
AIDS is characterised by a sharp reduction in:
The largest invertebrate animal is :
Cattle breeds can be improved by superovulation and embryo transplantation. Superovulation in high milk-yielding cows is induced by hormonal injection.
Amla belongs to family:
Aerenchyma provides:
Which of the following is correct?
Which of the following plant yields oil and fibre both?
Which of the following stood erect first ?
Which one feature is common to leech, cockroach and scorpion?
Which one of the following is the first step of glycolysis ?
Which of the following does not match ?
Which of the following are also known as collar cells?
Which of the following animal is sanguivorous?