List of top Biology Questions

In a denaturing polyacrylamide gel electrophoresis experiment, pure intact adult human hemoglobin will yield (number) bands.
In a randomly mating population, the frequency of 'A' allele is 0.7. What is the frequency of An" genotype in the next generation according to Hardy- Weinberg's law? (up to two decimal places)
In an actively growing population from a single bacterium, 1,048,576 cells are present after 20th generation. How many cells were there in 5th generation?
How many GTP molecules are required for the translocation of tRNA from P site to E site during translation elongation process in bacteria?
Which of the following is involved in innate immune response in higher mammals?
Which among the following belongs to the family "Retroviridac"?
Which of the following is a glycolipid?
Which of the following bacterial component contains "dipicolinic acid"?
The fossilization process in which mineral rich water penetrates through the pores of decomposed organic matter is known as___.
A random fluctuation in gene frequency is called
The number of "Barr Bodies" present in a somatic cell of a woman suffering from Turner syndrome is___.
Which of the following are produced by Mangrove trees to survive in the waterlogged swampy forests?
Indeterminate growth in plants is due to the presence of perpetually undifferentiated tissues, called as____
The osmotic potential (Ψ) of pure water is___ MPa.
Bacteria containing a tuft of flagella that comes out from one pole is called___.
A frameshift mutation is caused by___
The zone of a pond system where respiration is more than production is called as___
An organism that causes obstruction of lymphatic system in humans is___
A man having a dominant genetic trait (TT genotype) can laste phenylthiocarbamide (PTC), marries a woman who cannot taste PTC. The PTC tasting ability of their biological son and daughter is
Which of the following enzymes is absent in a person suffering from Alkaptonuria?
The bacterium that can tolerate high concentrations of salt and also ferment mannitol is
Match the following
Group IGroup II
StreptomycinInhibits beta-subunit of RNA polymerase
CycloheximideInhibits peptidyl transferase activity of 505 subunit
RifamycinInhibits peptidyl transferase activity of 605 subunit
ChloramphenicolInhibits binding of formyl methionine tRNA to ribosome
DNA gyrase can
In a honey bee population, the workers are infertile but protect the queen from intruders and help in reproduction. This is an example of
For an enzyme following Michaelis-Menten kinetics, when \([S]=K_M\) then, the velocity v is 
([S] is substrate concentration, \(K_M\) is Michaelis constant, \(V_{max}\) is maximal velocity)