Bihar Board Class 12 Biology Question Paper PDF with Solutions is available for download. The Bihar School Examination Board (BSEB) conducted the Class 12 examination for a total duration of 3 hours 15 minutes, and the question paper was of a total of 100 marks.
Bihar Board Class 12 Biology 2025 Question Paper with Solutions Set F
| Bihar Board Class 12 Biology 2025 Question Paper Set F | Download PDF | Check Solutions |

By which of the following is sugarcane sown?
Which of the following is affected by SO\(_2\) pollution?
Which of the following is the period between birth and death?
Sertoli cells are controlled by which of the following hormones?
Which of the following cannot pass through placenta?
Which of the following is an important factor in the formation of new species?
The opening of which of the following is known as blastopore?
Which of the following is a correct pair?
Which of the following is a soluble RNA?
By which of the following bonds are the nucleotides of DNA attached?
Which of the following is an example of analogous organs?
By which of the following is water hyacinth pollinated?
In which of the following are male and female flowers found on the same plant?
On which of the following planets is there a possibility of life?
Which of the following is related to pomiculture?
Which of the following is a biotic component of the ecosystem?
Which of the following is a marine fish?
Which of the following is a source of quinine?
Where are woody lianas / climbers found?
Which of the following is used to induce mutation in crop plants?
In which of the following does vegetative propagation take place through tuber?
Which of the following terms is used for the population found in a particular area?
What is the phenotypic ratio of F2 generation in case of codominance?
Which of the following is related to the formation of RNA by DNA?
Which of the following is a pathogen of malaria?
Which of the following absorbs the maximum amount of solar energy?
Which of the following elements is present in the centre of the porphyrin ring of chlorophyll?
In which of the following plants is there phosphoenol pyruvate receptor of CO2?
What is the tendency of endosperm in gymnosperms?
Which of the following is a stress hormone?
Which of the following is most harmful to the ozone layer?
Which of the following is related to Kaziranga National Park?
What is the number of bio-reserves in India?
Which of the following fixes nitrogen?
What does Cry-toxin do?
In which of the following is an extra pair of chromosomes found?
By which of the following methods do cancer cells divide?
Which of the following is an initial codon?
Who coined the word 'biology'?
Which of the following is related to the 'Yellow Revolution'?
From which part of the plant is clove obtained?
Which of the following is used to reduce the amount of cholesterol in the blood?
Which of the following is a part of the perianth?
Which of the following human cells is motile?
Which of the following is a sex-linked character?
Which of the following is a living fossil?
Which of the following gases was not present in the early period of the Earth?
Convergent evolution is demonstrated by which of the following?
Which of the following is an example of atavism?
Where are mangrove vegetation found?
In which of the following does secondary succession take place ?
Which of the following is an excellent biofertilizer ?
Which of the following is a significant trend in human evolution ?
Which of the following types of reproduction takes place in Amoeba under favourable condition?
Where does capacitation of human sperms occur?
Which of the following can lead to the development of brothers?
From which of the following do developing sperms get nutrition?
Who among the following propounded the terms muton, cistron, and recon?
Which of the following can live at more than one place in a trophic level of an ecosystem?
What is the nature of mesocarp in coconut?
Which of the following is responsible for the formation of androecium?
What is the number of linkage groups in human beings?
Which of the following represents the basic number of chromosomes?
Which of the following does coding of \(\beta\)-galactosidase in lac operon?
Which of the following is a sexually transmitted disease (STD)?
At which of the following stages is the embryo transferred to the fallopian tube?
Which of the following refers to the scientific study of human population?
By which of the following means is the colour of skin determined in human beings?
How are 8 ascospores formed in Neurospora?
What is a man with female characteristics called?
What is morula?
Mention any two benefits of self-pollination.
What do you mean by camouflage?
What is the importance of microorganisms in research?
Mention any two advantages of genetically modified animals.
What is Klinefelter syndrome?
Write the names of any four species along with their scientific names.
Write two differences between ontogeny and phylogeny.
Write any two symptoms of sickle cell anaemia.
What are sacred groves?
Define commensalism and write two examples.
What are pathogens? Write the names of any one plant and one animal pathogen.
Define germplasm.
What is gene library?
Mention any two harmful effects of sewage.
What is mycorrhiza?
What is the importance of Red Data Book?
Write any two differences between integument and testa.
Explain any two differences between c-DNA and s-DNA.
What is epistasis?
What do you understand by ground water? Describe the causes for its depletion and remedies.
Explain the differences between any two of the following:
(a) Food chain and food web
Present a neat, clean, and well-labelled diagram of an embryo inside the human uterus.
Describe the process of sex-determination in honeybees.
Present a well-labelled neat and clean diagram of recombinant technology.
Describe biofortification in brief.





Comments