List of practice Questions

Match the endocrine gland in Group A with the hormone secreted by them in Group B:
% Table for Groups\[\begin{array}{|c|c|} \hline Group A & Group B \\ \hline \text{(P) Anterior Pituitary} & \text{(i) Melatonin} \\ \hline \text{(Q) Thyroid} & \text{(ii) Glucocorticoids} \\ \hline \text{(R) Adrenal} & \text{(iii) Prolactin} \\ \hline \text{(S) Pineal} & \text{(iv) Calcitonin} \\ \hline \end{array}\]

A plant producing white flower with white seed coat (dominant) was crossed with a plant producing violet flower with gray seed coat (recessive). Upon selfing of 144 F2 progeny plants, the number of plants continuing to produce violet flower with gray seed coat will be:

Which one of the following, involving transfer of a phosphate group, is an example of substrate-level phosphorylation?

Lysosomal targeting of proteins involves recognition of

In vitro, group I introns have the ability to

In polypeptide chains, the proline residue is unique in

Which one of the following microscopes has working principle most similar to the way a blind person reads?

Many plasma glycoproteins are protected from uptake and degradation by the hepatocytes in liver due to the presence of a terminal saccharide moiety known as

One of Koch's postulates states that the suspected causative organism should

Archaebacteria differ from bacteria in

Dashed lines in the figures given below represent joints. Considering only the orientations of the joints and the slope face, which one of the following represents the most stable slope?

Identify the correct morphological features corresponding to numbers I – IV in the echinoid illustrated below:

Which one of the following minerals has isolated (SiO$_4$)$^{4-}$ tetrahedra linked by divalent cations in octahedral coordination?

Assuming the Earth to be an ideal sphere, the volume % of the core relative to the total volume of the Earth is .......... (answer in one decimal place).

When a dunite comprising pure forsterite undergoes melting, the weight % of MgO in the melt is ........ (answer in one decimal place). Given molecular weights of $ \text{SiO}_2 = 60.08 $, $ \text{MgO} = 40.30 $.

A block of rock with a mass of 72 kg slides on a surface inclined at an angle of 30° as shown in the figure. Assuming no cohesion and friction, the force $ F $ is ........... Newton (answer in one decimal place; acceleration due to gravity = 9.8 m/s²).