List of top Questions asked in UP Board XII

Describe different abiotic and biotic agents of pollination in detail.
Describe the characteristic features of the human genome.
What is an ecological pyramid? Describe different types of ecological pyramids in brief.
Write short notes on the following: Effect of invasive alien species
Endangered species and their conservation
Comment on the following: Auto-immune disease Opioids
Comment upon the following: Infectious diseases
Describe gel electrophoresis technique in brief.
Name the food chain which begins with dead and decaying organic matter.
Who propounded the chromosomal theory of inheritance?
Give an example where more than two alleles govern the same character.
What are stem cells?
Which hormone is secreted by corpus luteum?
Who among the following proposed that evolution of life forms occurred due to use and disuse of organs?
Which of the following methods is used to introduce foreign DNA into the host cells?
Which of the following is a non-infectious disease?
Pollen grains are well preserved as fossils because of the presence of which of the following?
Describe the dihybrid cross with the help of a checker-board.

Write short notes on the following: 

(i) Bioinformatics 

(ii) Amniocentesis

Write a note on seven contrasting traits studied by Mendel in pea plants.
Differentiate between Phenotype and Genotype.
Write a short note on over-exploitation and co-extinction.
Write a note on allergy.
Describe the symptoms of Pneumonia and Amoebiasis.
What is genetic engineering? Write any two applications of genetic engineering.