List of practice Questions

Fissility is best shown by
Petroleum is NOT commercially produced from
Isostasy involves ................. continental mountain belts.
In which one of the following tectonic settings are the highest mountain chains and thickest crust found?
Which one of the following is NOT found in an extensional setting?
Which one among the following planets in the Solar system is most similar in size to Earth?
The nuclear spin quantum number (\( l \)) of a nucleus is \( \frac{3}{2} \). When placed in an external magnetic field, the number of possible spin energy states it can occupy is ...........
A vector \( \vec{A} = i + xj + 3k \) is rotated through an angle and is also doubled in magnitude resulting in \( \vec{B} = 4i + (4x - 2)j + 2k \). An acceptable value of x is
The decay modes of \( ^{14}C \) and \( ^{14}O \) are
The value of integral \( \int_{-2}^{2} x e^{-2x^2} dx \) is
The number of crystal systems and the number of Bravais lattices are, respectively,
Carbonic anhydrase is an example of
The number of three-letter words, with or without meaning, which can be formed using letters of the word 'VIRUS' without repetition of letters is
The area of an equilateral triangle with sides of length \( \alpha \) is
Which one of the following shows the CORRECT relationship among velocity of light in a medium (\( v \)), permittivity of medium (\( \varepsilon \)) and magnetic permeability of medium (\( \mu \))?
A 30 μF capacitor is connected to a 240 V, 50 Hz source. If the frequency of the source is changed from 50 Hz to 200 Hz, the capacitive reactance of the capacitor will
Proenzyme pepsinogen is secreted from 'P' of gastric mucosa and converted into active enzyme pepsin on exposure to 'Q' secreted from 'R'. Choose the CORRECT combination of P, Q, and R.
When bacteria are grown in glucose-depleted media containing high concentration of lactose, expression of lac operon genes is activated by
What is the source of electrons in photosynthesis?
Three vectors are as follows: \[ \mathbf{a} = 3\hat{i} - 10\hat{j} + 7\hat{k}, \mathbf{b} = -9\hat{i} + 6\hat{j} - 47\hat{k}, \mathbf{c} = 11\hat{i} - 17\hat{k} \] The value of \((\mathbf{a} + \mathbf{b}) \cdot \mathbf{c}\) is
The reaction of 11-cis-retinal with the lysine residue of a specific protein forms the light-sensitive pigment in the cells of retina. The light-sensitive pigment is an
Which of the following feature(s) should be present in a protein to generate strong immune response (antibody production) in an animal?
I. At least one B-cell epitope
II. At least one T-cell epitope
III. Proteolytic cleavage site(s)
Which one of the following statements is CORRECT for Mycoplasma?
Pyramid of energy in a forest ecosystem is
In the feedback regulation of an enzyme, the end product binds to the