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Biology
List of top Biology Questions
What is restriction endonuclease? Give any two examples.
UP Board XII - 2023
UP Board XII
Biology
Biotechnology
Define sewage. Describe the biological treatment of sewage in brief.
UP Board XII - 2023
UP Board XII
Biology
Environmental Science
Comment on tRNA.
UP Board XII - 2023
UP Board XII
Biology
Molecular Basis of Inheritance
Describe the principle of immunization in brief. Add a note on passive immunization.
UP Board XII - 2023
UP Board XII
Biology
Human health and disease
With the help of two suitable examples, explain the vegetative propagation in plants.
UP Board XII - 2023
UP Board XII
Biology
Reproduction in Plants
What is hybridization? Describe the process and importance of artificial hybridization in brief.
UP Board XII - 2023
UP Board XII
Biology
Food Technology
Comment upon the xerophytic adaptation in desert plants.
UP Board XII - 2023
UP Board XII
Biology
Evolution and Adaptation
Define allele. Comment upon multiple allelism with examples.
UP Board XII - 2023
UP Board XII
Biology
Genetics
Give any two causes of biodiversity loss.
UP Board XII - 2023
UP Board XII
Biology
Biodiversity and Conservation
Explain the type of pollination in cleistogamous flowers.
UP Board XII - 2023
UP Board XII
Biology
sexual reproduction in flowering plants
Write the number of chromosomes in trisomic and monosomic conditions in humans.
UP Board XII - 2023
UP Board XII
Biology
Genetics
Briefly explain Gause's competitive exclusion principle.
UP Board XII - 2023
UP Board XII
Biology
Organisms and Populations
Define the term 'health'. Mention any two important factors to maintain good health.
UP Board XII - 2023
UP Board XII
Biology
Human health and disease
Briefly explain the inheritance of sex-linked recessive character in humans.
UP Board XII - 2023
UP Board XII
Biology
Principles of Inheritance and Variation
According to Allen's rule, mammals in colder climates generally have:
UP Board XII - 2023
UP Board XII
Biology
Evolution and Adaptation
Write the full form of ZIFT and MTP.
UP Board XII - 2023
UP Board XII
Biology
Reproductive Health
Testosterone hormone is secreted by:
UP Board XII - 2023
UP Board XII
Biology
The Male Reproductive System
The phenotypic ratio of a Mendelian dihybrid cross is:
UP Board XII - 2023
UP Board XII
Biology
Principles of Inheritance and Variation
Define codominance.
UP Board XII - 2023
UP Board XII
Biology
Principles of Inheritance and Variation
Which enzyme cuts the DNA at specific site?
UP Board XII - 2023
UP Board XII
Biology
Molecular biology techniques
Comment upon the following:
Recombinant DNA Technology
UP Board XII - 2023
UP Board XII
Biology
Biotechnology
Comment upon the following:
Biodiversity and its Conservation
UP Board XII - 2023
UP Board XII
Biology
Biodiversity and Conservation
Comment upon the following:
Apomixis
UP Board XII - 2023
UP Board XII
Biology
Reproduction in Plants
Comment upon the following:
Plasmid Vector
UP Board XII - 2023
UP Board XII
Biology
Biotechnology
Describe the microsporogenesis in flowering plants with suitable diagram.
UP Board XII - 2023
UP Board XII
Biology
sexual reproduction in flowering plants
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