List of top Biology Questions

Keratinized dead layer of skin is made of

Incipient nucleus is found in

Increase in bleeding time and delay in blood coagulation is due to the deficiency of which hormone ?

In which one of the following enzymes, copper is necessarily associated as an activator?

In oogamy, fertilization involves

In meiosis chromosome number becomes

In human being scrotum and the abdominal cavity are connected by

In chloroplasts, chlorophyll is present in the

In $ {{C}_{3}} $ plants, the first stable product of photosynthesis during the dark reaction is

If root of a flowering plant has 24 chromosomes, then its gamete has how marry chromosomes?

Humus is present in

Hinge joint is present between

Gibberellin was first discovered from

Fusion of one male gamete with female nucleus is called

Formation of mRNA from DNA is

First mammal occurred in which era and period ?

First man made cereal (i.e., Triticale) is

Filiform apparatus is a characteristic feature of

Fight and flight hormone is

Excretory product of spider

Example of embryonic connective tissue is

Osmotic pressure of a solution is usually measured in

Hormone secreting cells called neurosecretory cells are abundant in the

Genetically dwarf plants can be induced to grow tall by using

The stomata will open if their guard cells accumulate