List of practice Questions

Fungal part of lichen is called
The genetic material of influenza is
Which one of the following is the first stable compound in Krebs cycle?
Which one of the following is a non-protein enzyme?
Which of the following has more similarity with modern man?
Which of the following pairs is correct?
Which is the common term for cancer of epithelial cells?
What is yogurt?
Which of the following is not the function of the liver?
Stomata of which plants are opened at night?
Which part of nephron is responsible for active reabsorption of sodium?
If occipital lobe in cerebrum is damaged, which action is lost?
If the slope of the tangent drawn at any point \((x, y)\) on the curve \(y = f(x)\) is \(y = 6x^2 + 10x - 9\) and \(f(2) = 0\), then \(f(-2) = \)?
If the period of the function \[ f(x) = 2\cos(3x+4) - 3\tan(2x-3) + 5\sin(5x) - 7 \] is \( k \), then \( f(x) \) is periodic with fundamental period \( k \). Find \( k \).

If \( \sqrt{5} - i\sqrt{15} = r(\cos\theta + i\sin\theta), -\pi < \theta < \pi, \) then

\[ r^2(\sec\theta + 3\csc^2\theta) = \]

The emf of a cell of internal resistance 2 Ω is measured using a voltmeter of resistance 998 Ω. The error in the emf measured is:
Let \( z \) be a non-zero complex number such that \[ z = \frac{16}{\bar{z}}. \] Then the locus of \( z \) is:
(c) The value of the integral \( \int \sqrt{1 + \sin 2x} \,dx \) is:
If \[ f(x) = 3x^{15} - 5x^{10} + 7x^5 + 50\cos(x - 1), \] then \[ \lim_{h \to 0} \frac{f(1 - h) - f(1)}{h^2 + 3h} \] is:
The energy required by the electron to cross the forbidden band for Germanium is:
Identify the wrong statement of the following:
Let \( a, b, c \) be positive numbers. If \( a + b + c \geq K \left[ (a + b)(b + c)(c + a) \right]^{1/3} \), then the maximum value of \( K \) is:
A block of mass $M$ moves with a velocity $v$ along a frictionless horizontal surface towards another block of mass $2M$ at rest. The velocity of the center of mass of the system of blocks is

Evaluate the integral: \[ \int_{\frac{\pi}{5}}^{\frac{3\pi}{10}} \frac{dx}{\sec^2 x + (\tan^{2022} x - 1)(\sec^2 x - 1)} \]

In the contact process of manufacturing \(\text{H}_2\text{SO}_4\), the arsenic purifier used in the industrial plant contains: