List of top Questions asked in UP Board XII

Describe the semiconservative method of DNA replication with diagram.
Comment upon any three chromosomal aberrations (syndrome) found in humans.
What is the role of RNA in protein synthesis?
Describe any three important characteristics of population.
Comment upon sewage treatment.
Describe Mendel's 'law of dominance'.
Draw only a labelled diagram of a sperm of man.
What are active and passive immunity?
Write the name of first amino acid and initiation codon for the initiation of protein synthesis.
Who is known as the father of 'Green Revolution' in India?
The number (X) of chromosomes in the endosperm of the angiospermic plant is
The name of pathogen of typhoid is
Which bacteria converts milk into curd?
What is the difference between sugar of RNA and DNA?
Write in brief 'In Vitro Fertilization' (IVF).
How many chromosomes are found in humans?
Genetically modified plant is/are
Which one of the following is a false fruit?
Write an essay on the role of microorganisms in human welfare.
What is Biotechnology? Describe its various applications.
What is biodiversity? Add a note on its conservation.
Describe the human male reproductive system with suitable diagram.
Write short notes on the following: (i) Polyembryony
(ii) Formation of Fruit
Write an essay on genetic code.
Write short notes on the following: (i) Placenta formation
(ii) Red Data Book