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Biology
List of top Biology Questions
Explain the difference between chemical fertilizer and biofertilizer.
UP Board XII - 2025
UP Board XII
Biology
Microbes in human welfare
Describe the menstrual cycle with a diagram.
UP Board XII - 2025
UP Board XII
Biology
The Female Reproductive System
Explain Oparin's theory related to the origin of life.
UP Board XII - 2025
UP Board XII
Biology
Evolution and Adaptation
What is a plasmid? Explain.
UP Board XII - 2025
UP Board XII
Biology
Biotechnology
What are antibiotics? What is their importance in human life?
UP Board XII - 2025
UP Board XII
Biology
Microbes in human welfare
What is plant succession? Explain with an example.
UP Board XII - 2025
UP Board XII
Biology
Ecology
Describe the structure of a typical ovule with a diagram.
UP Board XII - 2025
UP Board XII
Biology
Morphology of flowering plants
Write a note on immunity.
UP Board XII - 2025
UP Board XII
Biology
Human health and disease
Describe the structure of human sperm with diagram.
UP Board XII - 2025
UP Board XII
Biology
The Male Reproductive System
Explain the importance of humans in the ecosystem.
UP Board XII - 2025
UP Board XII
Biology
Ecology
Explain the law of incomplete dominance with an example.
UP Board XII - 2025
UP Board XII
Biology
Genetics
What are nucleosides? Explain.
UP Board XII - 2025
UP Board XII
Biology
Molecular biology techniques
Explain the difference between population and community.
UP Board XII - 2025
UP Board XII
Biology
Ecology
What is opioid drug? Explain.
UP Board XII - 2025
UP Board XII
Biology
Human health and disease
What is Apomixis? Explain with example.
UP Board XII - 2025
UP Board XII
Biology
Reproduction in Plants
Write a note on genetic engineering.
UP Board XII - 2025
UP Board XII
Biology
Biotechnology
What is the unit of heredity?
UP Board XII - 2025
UP Board XII
Biology
Genetics
Cocaine is obtained from which plant?
UP Board XII - 2025
UP Board XII
Biology
Human health and disease
What is the function of Leydig cells?
UP Board XII - 2025
UP Board XII
Biology
The Male Reproductive System
Write a note on typhoid fever.
UP Board XII - 2025
UP Board XII
Biology
Human health and disease
Who gave the double helical model of DNA?
UP Board XII - 2025
UP Board XII
Biology
Molecular biology techniques
Differentiate between purine and pyrimidine bases.
UP Board XII - 2025
UP Board XII
Biology
Molecular biology techniques
Write a note on Bt cotton.
UP Board XII - 2025
UP Board XII
Biology
Biotechnology
Unfertilized egg develops in which form of honeybee?
UP Board XII - 2025
UP Board XII
Biology
Evolution and Adaptation
Describe different population growth models in brief.
UP Board XII - 2025
UP Board XII
Biology
Ecology
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