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questions
List of practice Questions
State and explain Mill's method of residues, pointing out its merits and demerits.
UP Board XII - 2023
UP Board XII
Tark Shastra
Mill's Method
Indicate the form of the following categorical propositions:
(i)
All men are mortal.
(ii)
No Indians are Americans.
(iii)
Ram is a man.
UP Board XII - 2023
UP Board XII
Tark Shastra
Categorical Propositions
What is immediate inference and what are its different forms?
UP Board XII - 2023
UP Board XII
Tark Shastra
Immediate Inference
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.
UP Board XII - 2023
UP Board XII
Tark Shastra
Obversion
Define syllogism and state its characteristics.
UP Board XII - 2023
UP Board XII
Tark Shastra
Syllogisms
In a valid standard form of categorical syllogism 'the middle term must be distributed in at least one premise'. Prove it.
UP Board XII - 2023
UP Board XII
Tark Shastra
Syllogisms
Explain simple and complex dilemma with example.
UP Board XII - 2023
UP Board XII
Tark Shastra
Dilemma
Logic has been defined as 'the science of thought'. Is this definition adequate?
UP Board XII - 2023
UP Board XII
Tark Shastra
Definition of Logic
If the mean deviation about median for the number $3,5,7,2 k , 12,16,21,24$ arranged in the ascending order, is 6 then the median is
JEE Main - 2023
JEE Main
Mathematics
Statistics
Which product is obtained between the reaction of CH
3
ONa and (CH
3
)
3
CBr?
GUJCET - 2023
GUJCET
Chemistry
Alcohols, Phenols and Ethers
Let $a_1=8, a_2, a_3, \ldots, a_n$ be an AP If the sum of its first four terms is $50$ and the sum of its last four terms is $170$ , then the product of its middle two terms is______
JEE Main - 2023
JEE Main
Mathematics
sequences
The critical angle of a medium having the refractive index \( \sqrt{2} \) is:
COMEDK UGET - 2023
COMEDK UGET
Physics
Refractive index
Differentiate between the following fruits:
(i) Legume and Lomentum
(ii) Drupe and Schizocarpic fruit
UP Board XII - 2023
UP Board XII
Biology
Morphology of flowering plants
Write short note on:
(i) Fertilization in human
(ii) Active and Passive Immunity
UP Board XII - 2023
UP Board XII
Biology
Human health and disease
Write an essay on Genetic code.
UP Board XII - 2023
UP Board XII
Biology
Molecular Basis of Inheritance
Draw a labeled diagram of reproductive system of a woman.
UP Board XII - 2023
UP Board XII
Biology
The Female Reproductive System
Write short note on any two: (i) Double fertilization (ii) Sewage treatment (iii) Control of Pneumonia
UP Board XII - 2023
UP Board XII
Biology
Microbes in human welfare
Name the important components of biodiversity and mention suitable measures for its conservation.
UP Board XII - 2023
UP Board XII
Biology
Biodiversity and Conservation
Write short note on: (i) Genetical disorder in man (ii) Central dogma
UP Board XII - 2023
UP Board XII
Biology
Molecular Basis of Inheritance
What is bio-fertilizer? Describe its role in the production of food.
UP Board XII - 2023
UP Board XII
Biology
Applications of Biotechnology
Write short note on any two:
(i) Red data book
(ii) Parasitism
(iii) Role of leguminous plants in increasing the fertility of soil.
UP Board XII - 2023
UP Board XII
Biology
Ecology
What is Megasporogenesis? Describe the development of zygote up to formation of mature ovule in an Angiospermic flower.
UP Board XII - 2023
UP Board XII
Biology
sexual reproduction in flowering plants
Who is father of Green Revolution in India? Green Revolution is useful for farmers. Explain it with example.
UP Board XII - 2023
UP Board XII
Biology
Environment and Natural Resources
What do you mean by restriction enzymes? Explain with example.
UP Board XII - 2023
UP Board XII
Biology
Biotechnology
Hydrophytic plants are adapted to their environment. Explain it with the help of examples and diagrams.
UP Board XII - 2023
UP Board XII
Biology
Evolution and Adaptation
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