STD 12 - 11. organisms and populations — NEET STD 11 Science — Question

Chlorophyll containing fleshy cylindrical structures found in Euphorbia are modified

In which of the following interactions both partners are adversely affected?

Methanogens belong to

Choose the correct one for Phaeophyceae from given statements.
i. The members of Phaeophyceae are found primarily in freshwater habitats.
ii. Kelps is simple branched, filamentous form while Ectocarpus is profusely branched form, which may reach at height of 100 metres.
iii. They possess chlorophyll-a, c, carotenoids and xanthophylls.
iv. They vary in colour from olive green to various shades of brown.
v. Colour depending upon the amount of the xanthophylls and fucoxanthin pigment.

The sequence of events by which a cell duplicates its genome, synthesizes the other constituents of the cell and eventually divides into two daughter cells is termed as

The snakes are included under

Assertion: The number of ATP molecules synthesised depends on the nature of the electron donor.
Reason: Oxidation of one molecule of NADH gives rise to 3 molecules of ATP, while that of one molecule of FADH, produces 2 molecules of ATP.

Explain why the above mentioned parts belonged to a eukaryotic cell and not prokaryotic cell?