List of top Biology Questions

Which of the following enzymes is responsible for transcription of ribosomal RNA?
What is the role of y gene in lac operon?
Which of the following statements is incorrect about DNA replication?
Some amino acids are coded by more than one codon. Such code is known as
Paleontological evidence is based on the study of
Which of the following bacteria synthesizes insecticidal protein?
Which of the following is not a cloning vector for bacteria?
If a foreign DNA is inserted in tetracycline resistant gene, the recombinant plasmid
Which of the following methods is used to inject recombinant DNA into nucleus of animal cell directly?
Which of the following are decomposers?
Which of the following is absent in pBR322?
For isolation of DNA a fungus is treated with which enzyme?
Which of the following plants produces poisonous cardiac glycoside?
What was the reason for co-existence of five closely related species of warblers?
When percentage of individuals of pre-reproductive, reproductive and post-reproductive phase is in decreasing order in the age pyramid of human population, it shows that population is
Which of the following reproduces once in a lifetime?
Which of the following statements is incorrect about organic farming?
Which of the following statements is incorrect about temperature?
Which of the following is not the reason for global warming?
At which level is natural selection operated to evolve the desired traits?
Name of Ramdeo Mishra is associated with which field of research?
Going down of inorganic water soluble nutrients into the soil nutrients is called as
HIV attacks on which of the following cells?
According to Robert May, how much is the global species diversity?
Biodiversity of India is what percentage of the total global species diversity?