List of top Questions asked in NEET (UG)- 2017

Which one of the following pairs of species have the same bond order?

Identify A and predict the type of reaction

A first order reaction has a specific reaction rate of 10^–2 s^–1. How much time will it take for 20 g of the reactant to reduce to 5 g?

Name the gas that can readily decolourises acidified KMnO₄ solution:

The heating of phenyl-methyl ethers with HI produces.

Pick out the correct statement with respect \([Mn(CN)_6]^{3–}\) :

Ionic mobility of which of the following alkali metal ions is lowest when aqueous solution of their salts are put under an electric field?

The equilibrium constants of the following are.
\(N_2+3H_2⇋NH_3\)     \(K_1\)
\(N_2+O_2⇋2No\)    \(K_2\)
\(H_2+\frac 12O_2⇋H_2O\)    \(K_3\)
The equilibrium constant \((K)\) of the reaction:
\(2NH_3+\frac 52O_2⇋2NO+3H_2O\)
will be

Which of the following reactions is appropriate for converting acetamide to methanamine?

Mechanism of a hypothetical reaction \(X_2 + Y_2→ 2XY\) is given below :
(i) \(X_2→ X + X\) (fast)
(ii) \(X + Y_2⇋ XY + Y\) (slow)
(iii) \(X + Y → XY\) (fast)
The overall order of the reaction will be

The IUPAC name of the compound

Extraction of gold and silver involves leaching with CN^– ion. Silver is later recovered by

Double fertilization is exhibited by

Which of the following are found in extreme saline conditions?

Select the mismatch :

What is the criterion for DNA fragments movement on agarose gel during gel electrophoresis?

Attractants and rewards are required for

Which of the following is made up of dead cells?

Which cells of 'Crypts of Lieberkuhn' secrete antibacterial lysozyme?

Adult human RBCs are enucleate. Which of the following statement(s) is/are most appropriate explanation for this feature?
(a) They do not need to reproduce
(b) They are somatic cells
(c) They do not metabolize
(d) All their internal space is available for oxygen transport

The hepatic portal vein drains blood to liver from

The final proof for DNA as the genetic material came from the experiments of

Which among the following are the smallest living cells, known without a definite cell wall, pathogenic to plants as well as animals and can survive without oxygen?

Which of the following options gives the correct sequence of events during mitosis?

Which one of the following statements is correct, with reference to enzymes?