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questions
List of practice Questions
Components of a Nucleotide
UP Board XII - 2024
UP Board XII
Biology
Genetics
In-situ Conservation
UP Board XII - 2024
UP Board XII
Biology
Plant Physiology
What is addiction? Write a note on its ill effects on the young generation and its control measures.
UP Board XII - 2024
UP Board XII
Biology
Evolution and Adaptation
Describe the Chromosome theory of Genetics.
UP Board XII - 2024
UP Board XII
Biology
Genetics
Explain competition and parasitism with examples.
UP Board XII - 2024
UP Board XII
Biology
Evolution and Adaptation
How many pairs of contrasting traits were studied by Mendel in pea plants?
UP Board XII - 2024
UP Board XII
Biology
Plant Physiology
What are parthenocarpic fruits?
UP Board XII - 2024
UP Board XII
Biology
Plant Physiology
What do you understand by patent?
UP Board XII - 2024
UP Board XII
Biology
Human body
Describe natural selection in brief.
UP Board XII - 2024
UP Board XII
Biology
Evolution and Adaptation
Which one of the following is not a false fruit?
UP Board XII - 2024
UP Board XII
Biology
Plant Physiology
The vector of Dengue (Break bone) fever is:
UP Board XII - 2024
UP Board XII
Biology
Human body
The name of the plant pollinated by water is:
UP Board XII - 2024
UP Board XII
Biology
Plant Physiology
Who proposed the Chromosomal theory of Inheritance?
UP Board XII - 2024
UP Board XII
Biology
Genetics
Choose the correct option and write in your answer-book:
Genetic engineering is useful in:
UP Board XII - 2024
UP Board XII
Biology
Genetics
If a continuous function \( f \) is defined as \[ f(x) = \left\{ \begin{array}{ll} ax + 1, & x < 2 \\ x^2 + 7, & x \geq 2 \end{array} \right. \] then the value of \( a \) is:
KEAM - 2024
KEAM
Mathematics
Integration
The derivative of \( t^2 + t \) with respect to \( t-1 \) at \( t = -2 \), is equal to:
KEAM - 2024
KEAM
Mathematics
Integration
The function \( f(x) = (x - 4)^2 (1 + x)^3 \) attains a local extremum at the point:
KEAM - 2024
KEAM
Mathematics
Integration
The limit \( \lim_{x \to 0} \frac{3 \sin^2 2x}{x^2} \) is equal to:
KEAM - 2024
KEAM
Mathematics
Integration
If \( x = r \cos \theta, y = r \sin \theta \), then \( \frac{dy}{dx} \) at \( \theta = \frac{\pi}{4} \), where \( r \) is a constant and \( \theta \) is a parameter, is equal to:
KEAM - 2024
KEAM
Mathematics
Integration
Let \( f(x) = \cos^{-1} \left( \frac{1 - \tan^2 x}{1 + \tan^2 x} \right) \). Then \( f\left( \frac{\pi}{2} \right) \) is equal to:
KEAM - 2024
KEAM
Mathematics
Integration
If \( f(x) = \frac{1}{2 - x} \) and \( g(x) = \frac{1}{1 - x} \), then the point(s) of discontinuity of the function \( g(f(x)) \) is (are):
KEAM - 2024
KEAM
Mathematics
Continuity
The value of \( \lim_{x \to 1} \frac{x^2 + 2x - 3}{x - 1} \) is:
KEAM - 2024
KEAM
Mathematics
Integration
The value of \( \lim_{x \to 0} \frac{\sin(5x)}{\sin(3x)} \) is:
KEAM - 2024
KEAM
Mathematics
Integration
The probability that at least one of \( A \) or \( B \) occurs is 0.6. If \( A \) and \( B \) occur simultaneously with probability 0.2, then \( P(A') + P(B') \) is:
KEAM - 2024
KEAM
Mathematics
Probability
If \( A \) and \( B \) are two independent events such that \( P(A) = 0.4 \) and \( P(A \cup B) = 0.7 \), then \( P(B) \) is equal to:
KEAM - 2024
KEAM
Mathematics
Independent Events
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