List of top Questions asked in UP Board XII

Present the following in logical forms adding the symbols A, E, I or O in each case:
(i) Any answer is not a good answer.

(ii) Every disease is not fatal.

(iii) All good speakers are not good writers.
Explain and illustrate the process or method of scientific induction.
Define hypothesis. Mention clearly the conditions of a legitimate hypothesis.
Point out the distinction between scientific and popular explanation.
What are the basic principles of the experimental methods? Explain.
State and explain Mill's method of residues, pointing out its merits and demerits.
Define syllogism and state its characteristics.
In a valid standard form of categorical syllogism 'the middle term must be distributed in at least one premise'. Prove it.
Indicate the form of the following categorical propositions:
(i) All men are mortal.
(ii) No Indians are Americans.
(iii) Ram is a man.
What is immediate inference and what are its different forms?
State the obverses of the following propositions:
(i) Some men have taste for literature.
(ii) No men is perfect.
(iii) Some despots are not cruel.
Explain simple and complex dilemma with example.
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.