List of top Biology Questions

Palmate reticulate venation is convergent in

Palynology is study of

Panthera belongs to the family

Pacemaker is situated in the

Ozone depletion is occurring widely in

Oxysomes or $F_0 - F_1$ particles occur on

Osmosis cannot be demostrated by a potato osmoscope using a solution of NaCl instead of sugar, because the potato tissue is

Osmosis means movement of

Ornithine cycle was discovered by

Organisms reproducing throughout the year are called ________ breeders e.g., ________, and those who show recurring sexual activity are called _______ breeders e.g., ________.

Organic farming includes

Optimum temperature conditions for photosynthesis in $C_{3}$ and $C_{4}$ plants are respectively

Open circulatory system is present in $(i)$ and $(ii)$. Fill the correct option for $(i)$ and $(ii)$.

One of the most resistant biological material present in the exine of pollen grain is

One of the following is true with respect to $AUG$

One of the following is not the causal organism for ringworm,

Offsprings of oviparous animals are at greater risk of survival as compared to those of viviparous animals because

Of the total nephrons, juxtamedullary nephrons constitute

Oestrous cycle is reported in

Oestrus cycle is found in

Number of comb plates present in comb jellies is

Number of joints present over anal styles of Cockroach is

Normal range of urea in 100ml of human blood is

Now-a-days India is under which stage of demographic cycle ?

Nucellus of an ovule is equivalent to a