List of top Biology Questions asked in Bihar Board Class XII

Which of the following refers to the scientific study of human population?
What is a man with female characteristics called?
At which of the following stages is the embryo transferred to the fallopian tube?
What is morula?
By which of the following means is the colour of skin determined in human beings?
How are 8 ascospores formed in Neurospora?
Which of the following is a sexually transmitted disease (STD)?
What is the nature of mesocarp in coconut?
Which of the following can live at more than one place in a trophic level of an ecosystem?
Which of the following is responsible for the formation of androecium?
Which of the following represents the basic number of chromosomes?
Which of the following does coding of $\beta$-galactosidase in lac operon?
What is the number of linkage groups in human beings?
Which of the following types of reproduction takes place in Amoeba under favourable condition?
Which of the following is a significant trend in human evolution ?
Where does capacitation of human sperms occur?
Who among the following propounded the terms muton, cistron, and recon?
Which of the following can lead to the development of brothers?
From which of the following do developing sperms get nutrition?
Where are mangrove vegetation found?
Which of the following is an example of atavism?
Which of the following is an excellent biofertilizer ?
In which of the following does secondary succession take place ?
Convergent evolution is demonstrated by which of the following?
Which of the following gases was not present in the early period of the Earth?