STD 11 - 8. Cell the unit of life — NEET STD 11 Science — Question

Select the incorrect statement about sporopollenin.
a. Exine is made up of sporopollenin.
b. It can withstand high temperatures and strong acids and alkali.
c. It can be degraded by enzymes.
d. Both (a) and (b)

Fungi differ from algae in being

Which of the following components provides sticky character to the bacterial cell?

Photophosphorylation differs from oxidative phosphorylation in requiring input of energy in the form of

The measure of the variety of species and their relative abundance present within a region is referred to as

Which one of the following molecular diagnostic technique is used to detect the presence of a pathogen in its early stage of infection?

The hormone which was discovered through ‘foolish seedling’ disease of rice is

Choose the correct one for flower from given statements.
(i) A flower is a modified shoot where in the shoot apical meristem changes to floral meristem.
(ii) The arrangement of flowers on the floral axis is termed as inflorescence.
(iii) In racemose type of inflorescences the main axis continues to grow, the flowers are borne in a basipetal order.
(iv) In cymose type of inflorescence the main axis is limited in growth and terminates in a flower, the flowers are borne laterally in an acropetal succession.
(v) Different parts of flower arranged successively on the swollen end of the stalk or pedicel, called thalamus or receptacle.