List of top Questions asked in UP Board XII

Describe in brief about advantages of cross-pollination.
What is biodiversity hotspot?
Pollen grains get their nourishment from which part of anther?
Comment upon amniocentesis.
How many meiotic divisions are required to get 200 grains of Barley?
Congenital metabolic disorder is:
Mention the name of causal organism of Typhoid fever.
What type of nucleus is found in bacterial cell?
Which one is found in pollen grain?
Number of pollen sacs in an anther is:
Mention any three drawbacks of insulin obtained from the pancreas of slaughtered cattle and pigs.
Comment on in-situ and ex-situ conservation.
Explain Competition and Parasitism with examples.
Differentiate between any two of the following:
(i) Hypocotyl and Epicotyl
(ii) Perisperm and Pericarp
(iii) Integument and Testa
Define Parturition. Give an account of different hormones involved during this process.
Describe the disorders from the following chromosomal abnormal arrangements: (i) Trisomy of Chromosome 21 (ii) XXY
Explain the salient features of Genetic code.
Write short notes on any two of the following: (i) Adenosine Deaminase Deficiency (ii) Interspecific Competition with example (iii) Human Genome Project
What is contact inhibition? Explain how the normal cell transforms into cancerous cell.
Explain Stirred-tank Reactor.
Explain Logistic Growth with equation.
Draw the schematic chart representation of Oogenesis.
Write short notes on Active Immunity and Vaccination.
Mention any three vectorless methods that are used to introduce recombinant DNA into competent host cell.
Explain how distribution of animals and plants is affected by light, with examples.