A wire of length $L,$ area of cross-section $A,$ is hanging from a fixed support. The length of the wire changes to $L_1$ when mass $M$ is suspended from its free end. The expression for Young’s modulus is:

The calculated spin only magnetic moment of $Cr^{2+}$ ion is:

Match the following and identify the correct option.

The mixture which shows positive deviation from Raoult’s law is:

Identify the correct statement from the following:

Which of the following statements is correct?

Match the following concerning essential elements and their functions in plants.

Which of the following is not an inhibitory substance governing seed dormancy?

From his experiments, S.L. Miller produced amino acids by mixing the following in a closed flask:

Experimental verification of the chromosomal theory of inheritance was done by: