List of top Biology Questions asked in AIIMS

Gram negative bacteria do not retain the stain when washed with alcohol. The outer membrane of Gram negative$ (-ve)$ bacteria contain lipopolysaccharides, a part of which is integrated into membrane lipid.
A reptilian looks like house lizard is sitting on plant with its tail coiled around twig in your garden. Can you identify the animal?
Different varieties of Indian mangoes are most popular in Western and some other European countries. The varieties with different flavour, colour, sugar and fleshy content is due to
The common characteristic showing by mushroom smut and rust
How macula lutea and corpus luteum are related?
Which one of the following set meaning is not different?
Which one of the following best describe polygenic inheritance?
Corpus callosum connects the two cerebral hemispheres. Association areas are responsible for complex functions like intersensory association of memory and communication.
A man whose father is a colourblind, marry a woman, who is a daughter of colourblind mother. The offspring of this couple will be
In a child of $15$ years age, plasma calcium level is diagnosed below optimum level. Which organ is malfunctioning?
Which of the following is a secondary pollutant
Which of the following is a secondary pollutant ?
Pebrine in silkworms is caused by
Tendrils in plants are an example of
Plants with inferior ovary usually bear
One of the world�s most poisonous fish toxins is released by
Cell respiration is carried out by
There are 34 biodiversity hotspots in the world. High level of species richness is a criteria for selection of a biodiversity hotspot.
Excess carbohydrates and proteins are storedin the body as
The exchange of segments of non-sister chromatids between chromosomes of a homologous pair termed as
Which of the following is correctly matched?
Which of the following is correct regarding respiration in adult frog?
Which of the following organisms completely lack cell wall, they are the smallest living cells known and can survive without oxygen?
The ??ells of Rauber??are
RNA interference is essential for the