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Biology
List of top Biology Questions
What do you mean by hotspots of biodiversity?
PSEB XII
Biology
Biodiversity and Conservation
Differentiate between innate and acquired immunity.
PSEB XII
Biology
Human health and disease
What are bioreactors. Name its two types.
PSEB XII
Biology
Biotechnology
Expand PCR. Mention its any one importance in biotechnology.
PSEB XII
Biology
Biotechnology
Write two advantages of GM crops.
PSEB XII
Biology
Biotechnology
What do you mean by law of segregation.
PSEB XII
Biology
Principles of Inheritance and Variation
What will the progeny be if a woman carrier for haemophilia marries a normal man?
PSEB XII
Biology
Principles of Inheritance and Variation
What are the major components of seminal plasma?
PSEB XII
Biology
Human Reproduction
Write two functions of tapetum.
PSEB XII
Biology
sexual reproduction in flowering plants
Expand: ZIFT and ICSI
PSEB XII
Biology
Reproductive Health
Dragonflies are used as biocontrol agents to protect the crops from …………….
PSEB XII
Biology
Microbes in human welfare
Name two permanent methods of birth control.
PSEB XII
Biology
Reproductive Health
Sacred groves is an example of…………….conservation
PSEB XII
Biology
Biodiversity and Conservation
What is convergent evolution. Give an example
PSEB XII
Biology
Evolution
Sickle cell anaemia is an example of point mutation.
PSEB XII
Biology
Principles of Inheritance and Variation
Copper T is used as birth control device by women
PSEB XII
Biology
Reproductive Health
Zygote divides to form ……….which is implanted in uterine wall
PSEB XII
Biology
Human Reproduction
In national park protection is given to
PSEB XII
Biology
Biodiversity and Conservation
Vaccination is a type of innate immunity
PSEB XII
Biology
Human health and disease
Substances which cause allergy are called ……..
PSEB XII
Biology
Human health and disease
In gel electrophoresis DNA fragments separate according to their charge
PSEB XII
Biology
Biotechnology
At each tropic level in which form energy is lost
PSEB XII
Biology
Ecosystem
Vertebrate forelimbs are example of
PSEB XII
Biology
Evolution
Mycohhroezais example of
PSEB XII
Biology
Organisms and Populations
If BOD of water sample is very high, the sample is
PSEB XII
Biology
Microbes in human welfare
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