List of top Biology Questions

Prions consists mainly of

Polyarch condition is found in

Pits are formed on the cell wall is due to lack of

Photosynthetic Active Radiation $(PAR)$ has the following range of wavelengths

Phellogen is known as

Pepsinogen is secreted by

Peptic cells secrete

Passage cells are thin - walled cells found in

Ovarian hormones are usually

Open type of vascular system is predominant in

One of the following has a biradial symmetry

Nucellus forms which of the following part of fruit?

Nitrifying bacteria

Mode of feeding in free living protozoan is

Mesogamy is

Melanocyte Stimulating Hormone (MSH) is produced by

Lungs have a large number of narrow tubes called

Longest loop of Henle is found in

Lead concentration in blood is considered alarming if it is

Keratinized dead layer of skin is made of

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

Incipient nucleus is found in

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

In meiosis chromosome number becomes

In oogamy, fertilization involves