List of top Biology Questions

Which of the following organisms cite an example of commensalism?
Who amongst the following proposed the law of limiting factors?
Species area relationship curve had been proposed by
In the equation $\frac{dN}{dt} = rN \left( \frac{K -N}{K} \right)$ 'N? denotes
HindII cuts DNA molecule at a specific point by recognising a specific sequence of
First meiotic division takes place in
Facial bones are _______ in number.
Eutrophication is the natural ageing of lake by
Balbiani rings are sites of
The stage between two meiotic divisions is called as
Chromosomes start pairing in which stage of meiosis?
Fluid mosaic model was given by
Which of the following is incorrect regarding dicot root?
_____ is the innermost layer of the cortex.
Which of the following is incorrect about earthworm?
A nucleotide is made up of
Sonalika and Kalyan Sona are high yielding varieties of
With respect to Eichorrnia: Statement X : It drains off Oxygen from water and is seen growing in standing water. Statement Y : It is an indigenous species of our country
The scientist widely regarded as the triple crown of biology $X$ is
Match the storage products listed under Column-I with the organisms given under Column-II; choose the appropriate option from the given choices.
Match the following and select the correct answer:
(a)Centriole(i)Infoldings in mitochondria
(b)Chlorophyll(ii)Thylakoids
(c)Cristae(iii)Nucleic acids
(d)Ribozymes(iv)Basal body cilia or flagella
If 20 J of energy is trapped at producer level, then how much energy will be available to peacock as food in the following chain?
Plant \(→\) Mice \(→\) Snake \(→\) Peacock
A species facing extremely high risk of extinction in the immediate future is called:
The organization which publishes the Red List of species is:
Archaebacteria differ from eubacteria in: