List of top Questions asked in UP Board XII

Logic has been defined as 'the science of thought'. Is this definition adequate?
Write short note on:
(i) Fertilization in human
(ii) Active and Passive Immunity
Differentiate between the following fruits:
(i) Legume and Lomentum
(ii) Drupe and Schizocarpic fruit
Write an essay on Genetic code.
Draw a labeled diagram of reproductive system of a woman.
Write short note on any two: (i) Double fertilization (ii) Sewage treatment (iii) Control of Pneumonia
Name the important components of biodiversity and mention suitable measures for its conservation.
What is bio-fertilizer? Describe its role in the production of food.
What is Megasporogenesis? Describe the development of zygote up to formation of mature ovule in an Angiospermic flower.
Write short note on: (i) Genetical disorder in man (ii) Central dogma
Write short note on any two:
(i) Red data book
(ii) Parasitism
(iii) Role of leguminous plants in increasing the fertility of soil.
Who is father of Green Revolution in India? Green Revolution is useful for farmers. Explain it with example.
What do you mean by restriction enzymes? Explain with example.
Hydrophytic plants are adapted to their environment. Explain it with the help of examples and diagrams.
Give an account on DNA fingerprinting.
Draw a labelled diagram of a transverse section of a mature anther.
What do you mean by bee-keeping? Explain it in brief.
Write a short note on Family Planning.
Differentiate between true fruit and false fruit.
Define Apomixis.
What do you mean by Polyembryony?
Draw a labelled diagram of a human sperm.
What is biodiversity hotspot?
Describe in brief about advantages of cross-pollination.
Pollen grains get their nourishment from which part of anther?