List of practice Questions

In a pea flower, five petals are arranged in a specialised manner with one posterior, two lateral and two anterior. These are named as:

Chromosomal aberration in which two breaks occur in a chromosome and the intercalary segment reunites in a reverse order is categorised as:

Mutation was first discovered by:

In which ministry, the Genetic Engineering Appraisal Committee (GEAC) was set up?

A metalloid is:

A pair of isoelectronic species having a bond order of one is:

Identify the wrong relation for real gases:

From the diagram

\( \Delta H \) for the reaction C → A is:

For which one of the following mixtures is composition uniform throughout?

Identify the incorrect statement from the following:

The correct decreasing order of boiling points of hydrogen halides is:

The transition element (≈5%) present with lanthanoid metal in Misch metal is:

Which of the following statements related to lanthanoids is incorrect?

Which one of the following does not represent the Arrhenius equation?

For the coagulation of positively charged hydrated ferric-oxide sol, the flocculating power of the ions is in the order:

Select the correct statement:

$NO_2$ gas is :

Which one of the following pairs will show positive deviation from Raoult's Law?

A current of 3 A is passed through a molten calcium salt for 1 hr 47 min 13 sec. The mass of calcium deposited is:

The value of 'A' in the equation \( \lambda_m = \lambda_m^0 - A\sqrt{C} \) is same for the pair

For the reaction PCl5​→PCl3​+Cl2​, the rate and rate constant are 1.02×10−4mol L−1s−1 and 3.4×10−5s−1, respectively, at a given instant. The molar concentration of PCl5​ at that instant is: