List of practice Questions

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
Enhanced CO2 concentration in environment would lead to ________ in plants.

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


 

What is the final concentration of NaCl upon mixing 10 ml of 10 mM NaCl with 990 ml of 10 mM NaCl?
The most widely used method for removing of particulate matter from gas is
The microscope which uses lasers to scan the specimen at a specific depth, illuminates one area at a time and blocks stray light to give an image with excellent contrast and resolution is
If a single base in the middle of a protein coding open reading frame is replaced with another base, which statement from the following is NOT a likely possibility?
The helical content of a protein can be directly determined using
Which of the following statement is NOT correct?
Tuberculosis (TB) is caused by Mycobacterium tuberculosis. The TB vaccine is made using
Neoschizomers are the restriction endonucleases with

Match the items in List I with items in List II


 

Foreign DNA can NOT be transferred into a zygote by which one of the following methods?
What is the likely number of amino acids in a 11 KDa protein?

Given below are two statements:
Statement I: In general, a higher auxin to cytokinin ratio will induce root formation under in vitro culture conditions in plants.
Statement II: NAA is a cytokinin and BAP is an auxin.
In light of the above statements, choose the most appropriate answer from the options given below.