STD 11 - 11. photosynthesis in higher plants — NEET STD 11 Science — Question

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 vector for genetic code is called

Which one of the following statements about mycoplasma is wrong?

The gibberellins are plant growth hormones. They cause elongation of stems. Gibberellin was first isolated by Japanese workers from

Energy requirement for maintenance of body _____ with successively higher trophic level.

The division of the plant kingdom into Prokaryota and Eukaryota is based on the characters of

Which one of the following pigments does not occur in the chloroplast

Which tissue performs mechanical function in hydrophytic plants