List of top Questions asked in UP Board XII

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?
What is the difference between sugar of RNA and DNA?
Who is known as the father of 'Green Revolution' in India?
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.
Write short notes on the following: (i) Polyembryony
(ii) Formation of Fruit
Describe the human male reproductive system with suitable diagram.
Write short notes on the following: (i) Placenta formation
(ii) Red Data Book
What is biodiversity? Add a note on its conservation.
Write an essay on genetic code.
Draw only a clean & labelled diagram of the life-cycle of malaria parasite.
Comment briefly upon the contribution of Mendel.
Distinguish between the following:
(i) Population and Community
(ii) Hibernation and Aestivation
Explain briefly the Polymerase Chain Reaction (PCR).
What is ascariasis? Mention its prevention and treatment in short.