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Biology
List of top Biology Questions
Define commensalism and write two examples.
Bihar Board XII - 2025
Bihar Board XII
Biology
Ecology
What is mycorrhiza?
Bihar Board XII - 2025
Bihar Board XII
Biology
Microbes in human welfare
Write two differences between ontogeny and phylogeny.
Bihar Board XII - 2025
Bihar Board XII
Biology
Evolution
What do you mean by camouflage?
Bihar Board XII - 2025
Bihar Board XII
Biology
Evolution
What is Klinefelter syndrome?
Bihar Board XII - 2025
Bihar Board XII
Biology
Genetics
Mention any two advantages of genetically modified animals.
Bihar Board XII - 2025
Bihar Board XII
Biology
Biotechnology
Mention any two benefits of self-pollination.
Bihar Board XII - 2025
Bihar Board XII
Biology
Reproduction in Plants
What is the importance of microorganisms in research?
Bihar Board XII - 2025
Bihar Board XII
Biology
Biotechnology
Write the names of any four species along with their scientific names.
Bihar Board XII - 2025
Bihar Board XII
Biology
Diversity In The Living World
By which of the following means is the colour of skin determined in human beings?
Bihar Board XII - 2025
Bihar Board XII
Biology
Genetics
Which of the following refers to the scientific study of human population?
Bihar Board XII - 2025
Bihar Board XII
Biology
Ecology
What is morula?
Bihar Board XII - 2025
Bihar Board XII
Biology
Human Reproduction
At which of the following stages is the embryo transferred to the fallopian tube?
Bihar Board XII - 2025
Bihar Board XII
Biology
Human Reproduction
How are 8 ascospores formed in Neurospora?
Bihar Board XII - 2025
Bihar Board XII
Biology
Genetics
What is a man with female characteristics called?
Bihar Board XII - 2025
Bihar Board XII
Biology
Human health and disease
Which of the following does coding of $\beta$-galactosidase in lac operon?
Bihar Board XII - 2025
Bihar Board XII
Biology
The molecular basis of inheritance
Which of the following is a sexually transmitted disease (STD)?
Bihar Board XII - 2025
Bihar Board XII
Biology
Human health and disease
What is the nature of mesocarp in coconut?
Bihar Board XII - 2025
Bihar Board XII
Biology
Morphology of flowering plants
Which of the following is responsible for the formation of androecium?
Bihar Board XII - 2025
Bihar Board XII
Biology
Morphology of flowering plants
Which of the following can live at more than one place in a trophic level of an ecosystem?
Bihar Board XII - 2025
Bihar Board XII
Biology
Ecology
Which of the following represents the basic number of chromosomes?
Bihar Board XII - 2025
Bihar Board XII
Biology
Genetics
What is the number of linkage groups in human beings?
Bihar Board XII - 2025
Bihar Board XII
Biology
Genetics
From which of the following do developing sperms get nutrition?
Bihar Board XII - 2025
Bihar Board XII
Biology
Human Reproduction
Who among the following propounded the terms muton, cistron, and recon?
Bihar Board XII - 2025
Bihar Board XII
Biology
The molecular basis of inheritance
Where does capacitation of human sperms occur?
Bihar Board XII - 2025
Bihar Board XII
Biology
Human Reproduction
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