List of top Biology Questions

If a person is undergoing artifical pacemaker transplant then at which of the following structures the transplantation occurs ?
If a live earthworm is pricked with a needle on its outer surface without damaging its gut, the fluid that comes out is
Grey crescent is the area
Find the sequence of binding of the following aminoacyl t-RNA complexes during translation to m-RNA transcribed by a DNA segment having the base sequences 3' TACATGGGTCCG5' . Choose the answer showing the correct order of alphabets
Short-lived immunity acquired from mother to foetus across placenta or through mother's milk to the infant is categorised as :-
An orthotropous ovule is the one, in which micropyle and chalaza are
When tail is cylindrical and ventral scales do not extend the entire width of the belly, the snake is
Which of the following is not an advancement of crocodilians over other reptiles?
The presence of two types of nuclei, a macronucleus and a micronucleus, is characteristic of protozoans which are grouped under the class
Many blue-green algae occur in thermal springs (hot water springs). The temperature tolerance of these algae has been attributed to
A good example for recapitulation theory is/are
A localised inflammatory response appears at the site of infection causes redness, swelling, pain and heat due to certain chemicals. They are
Phenetic classification of organisms is based on
The opening and closing of stomata are controlled by the activity of
Wiich one of the following does not belong to kingdom-Monera?
The branch of biology that deals with the study of fossil is
Specific redioactive identification of ribosomal RNA can be achieved by using $ ^{14}C $ labelled
Which one pair/ set exhibit uricotelism?
Juxtaglomerular apparatus is made up of
Select a suitable name for this process : ${C_6H_{12}O_6 + 2 A D P + 2 P i -> 2C_2H_5OH + 2 ATP + 2CO_2\uparrow } $
Read the two statements A and B and identify the correct choice from those given : Statement A : Agrobacterium tumefaciens is the causative agent of crown gall disease of dicots. Statement B : Agrobacterium tumefaciens cause infection by entering the plant through wounds and injuries.
The chromosomal complement of individuals with Turner's syndrome is :
Carbon dioxide is called green-house gas because it is
Given below is the floral diagram of a flower. Which of the following descriptions of the flower matches the floral diagram ?
Excitation of chlorophyll in light is