List of practice Questions

Pox virus replicates in the:
In which of the given centrifuge rotors the value of \( r_{{min}} \) (radius minimum), \( r_{{max}} \), and \( r_{{av}} \) have the minimum deviation?
The acid involved in ocean acidification is
Which one of the following is the most effective strategy in delivering a gene of interest in non-proliferating terminally differentiated cells?
The degree of inhibition for an enzyme catalyzed reaction at a particular inhibitor concentration is independent of the initial substrate concentration. This is
A good resolution in ion exchange chromatography is obtained when the two proteins have a:
If the average diameter of air bubbles in a bioreactor is 2 mm and the gas hold up is 10%, then the surface area of gas bubbles per liter of reactor is:
Which of the following is true for a water sample with a BOD value of more than 50 ppm?
Among Wheat, Moong Dal, Rice, and Bajra, the one with the highest protein content is:

Given below are two statements - one is labelled as Assertion (A) and the other is labelled as Reason (R) 
Assertion (A): In the eukaryotic genes, TATA box aids in transcription. 
Reason (R): The TATA box facilitates formation of pre-initiation complex for transcription initiation. 
In light of the above statements, choose the most appropriate answer from the options given below.

Match the items in List I with items in List II: 


 

Let $ \alpha $ and $ \beta $ be the distinct roots of $ ax^2 + bx + c = 0 $, then $ \lim_{x \to \alpha} \frac{1 - \cos(ax^2 + bx + c)}{(x - \alpha)^2} $ is equal to:
Which of the following 2 compounds exhibit both Geometrical and Structural isomerism?
A = $[Co(NH_3)_4Cl_2]NO_2$
B = $[Co(NH_3)_4Br]SO_4$
C = $[Co(NH_3)_3(NO_2)_2]$
D = $[Cr(H_2O)_6]Cl_3$

What mass of Silver chloride, in grams, gets precipitated when 150 ml of 32% solution of Silver nitrate is reacted with 150 ml of 11% Sodium chloride solution?
Atomic mass in g/mol: Ag = 108, Na = 23, Cl = 35.5, N = 14, O = 16.

Arrange the following compounds in the increasing order of their reactivity when each of them is reacted with chloroethane / anhydrous AlCl₃.

Identify the pair of molecules in which one of them is a molecule with an odd electron and the other has an expanded octet.
In the estimation of element X in an organic compound, 0.8 g of the compound containing X was heated with fuming HNO₃ and the cooled product was treated with barium chloride. The mass of barium sulphate precipitated was 1.2 g. What is the percentage of element X and what is the formula of the violet-coloured compound formed when Lassaigne's extract of the organic compound is treated with sodium nitroprusside?
What is/are the product/s formed when Benzaldehyde and Ethanal react in the presence of dil. NaOH followed by heating the intermediate product formed?
Given are the names of 4 compounds. Two of these compounds will not undergo Cannizzaro's reaction. Identify the two.
Identify the product [C] formed at the end of the reaction below: $ 1,1,2,2-\text{Tetrabromopropane} + 2 \text{Zn (s)}/ \text{Ethanol} \rightarrow [B] $ $ [B] + 2 \text{moles of HBr} \rightarrow [C] $
Which one of the following is NOT true for Quantum dots as fluorescent probes in fluorescence microscopy?
A series of spontaneous point mutations that occur gradually resulting in changes in Influenza virus surface antigens over a time is called
An enzymatic reaction exhibits Michaelis–Menten kinetics. What will happen if the concentration of enzyme is doubled keeping \( [S_0] \gg [E] \)?

Match the items in List I with the items in List II 


 

The presence of antibody in infected patient's serum can be detected by