List of top Questions asked in UP Board XII

Comment upon the following:
Biodiversity and its Conservation
Comment upon the following:
Apomixis
Comment upon the following:
Plasmid Vector
Describe the microsporogenesis in flowering plants with suitable diagram.
Write short notes on adaptation of desert plants and animals.
What is pollination? Write a note on the types of pollination of plants.
Describe the role of any three micro-organisms in the production of household food materials.
Draw a labelled diagram of an ovule including embryo-sac in a flowering plant.
Draw a clean and labelled diagram of the life-cycle of malaria parasite.
Comment upon any three chromosomal aberrations (syndrome) found in humans.
Describe the semiconservative method of DNA replication with diagram.
Write an essay on population explosion and its control measures.
Give an account on Biosphere Reserves and National Parks.
Define menstrual cycle. Give an account on hormonal interplay during it.
Comment upon sewage treatment.
Describe any three important characteristics of population.
What is the role of RNA in protein synthesis?
Draw only a labelled diagram of a sperm of man.
Describe Mendel's 'law of dominance'.
Write the name of first amino acid and initiation codon for the initiation of protein synthesis.
What are active and passive immunity?
The number (X) of chromosomes in the endosperm of the angiospermic plant is
The name of pathogen of typhoid is
Write in brief 'In Vitro Fertilization' (IVF).
Which bacteria converts milk into curd?