List of practice Questions

When the margins of sepals or petals overlap one another without any particular direction, the condition is termed as

Which is the particular type of drug that is obtained from the plant whose one flowering branch is shown below?

Which of the following causes an increase in sodium reabsorption in the distal convoluted tubule?

Which of the following shows coiled RNA strand and capsomeres?

Which one of the following are analogous structures?

Which one of the following fungi contains hallucinogens?

Which one of the following growth regulators is known as ‘stress hormone’?

Which one of the following is a non-reducing carbohydrate?

Which one of the following living organisms completely lacks a cell wall?

Which one of the following statements is correct?

Which structures perform the function of mitochondria in bacteria?

Which vector can clone only a small fragment of DNA?

You are given a fairly old piece of dicot stem and a dicot root. Which of the following anatomical structures will you use to distinguish between the two?

(a) \(H_2O_2 + O_3 → H_2O + 2O_2\)
(b) \(H_2O_2 + Ag_2O → 2Ag + H_2O + O_2\)
Role of hydrogen peroxide in the above reactions is respectively:

Acidity of diprotic acids in aqueous solutions increases in the order:

Among the following complexes the one which shows zero crystal field stabilization energy (CFSE) is:

Among the following sets of reactants which one produces anisole ?

Artificial sweetener which is stable under cold conditions only is:

\(Be^{2+}\) is isoelectronic with which of the following ions?

Calculate the energy in joule corresponding to light of wavelength 45 nm:
(Planck’s constant h = 6.63 × 10^-34 Js; speed of light c = 3 × 10⁸ ms^-1)

D(+) glucose reacts with hydroxylamine and yields an oxime. The structure of the oxime would be:

Equal masses of H₂, O₂ and methane have been taken in a container of volume V at temperature 27°C in identical conditions. The ratio of the volumes of gases H₂ : O₂ : methane would be :

For a given exothermic reaction, K_p and K'_P are the equilibrium constants at temperatures T₁ and T₂, respectively. Assuming that heat of reaction is constant in temperature range between T₁ and T₂, it is readily observed that: