List of top Questions asked in UP Board XII

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.
Write short note on: (i) Genetical disorder in man (ii) Central dogma
What is bio-fertilizer? Describe its role in the production of food.
Write short note on any two:
(i) Red data book
(ii) Parasitism
(iii) Role of leguminous plants in increasing the fertility of soil.
What is Megasporogenesis? Describe the development of zygote up to formation of mature ovule in an Angiospermic flower.
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.
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.
Give an account on DNA fingerprinting.
Differentiate between true fruit and false fruit.
Define Apomixis.
What do you mean by Polyembryony?
Draw a labelled diagram of a human sperm.
Draw a labelled diagram of a succulent fruit.
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: