List of practice Questions

Human ovum.
Answer the following questions briefly: Genetically Modified (GM) Crops
Describe the dihybrid cross with a diagram.
Components of a Nucleotide
In-situ Conservation
What is addiction? Write a note on its ill effects on the young generation and its control measures.
Describe the Chromosome theory of Genetics.
Explain competition and parasitism with examples.
How many pairs of contrasting traits were studied by Mendel in pea plants?
What are parthenocarpic fruits?
What do you understand by patent?
Describe natural selection in brief.
Which one of the following is not a false fruit?
The vector of Dengue (Break bone) fever is:
The name of the plant pollinated by water is:
Who proposed the Chromosomal theory of Inheritance?
Choose the correct option and write in your answer-book: Genetic engineering is useful in:
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:
The derivative of \( t^2 + t \) with respect to \( t-1 \) at \( t = -2 \), is equal to:
The function \( f(x) = (x - 4)^2 (1 + x)^3 \) attains a local extremum at the point:
The limit \( \lim_{x \to 0} \frac{3 \sin^2 2x}{x^2} \) is equal to:
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:
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:
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):
The value of \( \lim_{x \to 1} \frac{x^2 + 2x - 3}{x - 1} \) is: