Appearance of blood red colour, on treatment of the sodium fusion extract of an organic compound with ${\mathrm{FeSO}}_4$ in presence of concentrated ${\mathrm{H}}_2{\mathrm{SO}}_4$ indicates the presence of element/s

${\mathrm{C}}_6{\mathrm{H}}_5{\mathrm{CH}}_2-\mathrm{MgBr}\frac{\left(1\right){\mathrm{CO}}_2 /\mathrm{ether} }{\left(2\right){\mathrm{H}}_3{\mathrm{O}}^{+}}{}^{\text{'}}\mathrm{X}^{\text{'}}\frac{\mathrm{NaOH}+\mathrm{CaO}}{\mathrm{\Delta }}{ }^{\text{'}}{\mathrm{Y}}^{\text{'}}$

What is the final product in this reaction?

Choose the correct option for $\mathrm{X},\mathrm{Y}$ and $\mathrm{Z}$.

Fill in the blank with the most appropriate option given below.

We should give everyone training in citizenship, but we have______this aspect till now.

Match the following lists:

The correct match is

Match the following:

Choose the right option showing the correct match.

Statement - '$\mathrm{X}$': Apomixis is seen in a few flowering plants such as some species of Asteraceae and grasses.
Statement - '$\mathrm{Y}$': Apomixis is a form of asexual reproduction that mimics sexual reproduction.

Statement - '$\mathrm{Z}$': In some species of apomictic seeds, the diploid egg cell is formed without reduction division.
Choose the correct option.

Choose the correct option for the statements for Mycorrhiza:

(i) It absorbs phosphorus from the soil.

(ii) It forms root nodules with the association of Rhizobium.

(iii) They are resistant to root-borne pathogens and tolerant to salinity and drought.

(iv) They fix atmospheric nitrogen.

Assertion ($\mathrm{A}$): A primary succession is more common than secondary succession.

Reason ($\mathrm{R}$): Biogeochemical cycling is absent in secondary succession.