STD 11 - 2. Biology classification — NEET STD 11 Science — Question

Binomial nomenclature means writing the name of plant / animal in two words, which designate

Choose correct statements for plant growth regulators :
(i) The discovery of each of the five major groups of PGRs has been accidental.
(ii) Charles Darwin and his son Francis Darwin observed that the coleoptiles of canary grass shows phototropism.
(iii) Auxin was isolated by F.W. Went from tips of coleoptiles of oat seedlings.
(iv) Skoog and Miller identified and crystallised abscisic acid (ABA).
(v) Inhibitor-B, abscission II and dormin were chemically identical and named kinetin.
(vi) Release of ethylene from ripened oranges hastened the ripening of stored unripened bananas.

During mitosis chromosomes go to their poles in a stage called

Which of the following statements regarding cilia is not correct ?

Statement I: Movement of protons across the thylakoid membrane to the stroma occurs through the transmembrane channel of the CF₀ of the ATP synthase
Statement II: The breakdown of the gradient provides enough energy to cause a conformational change in the CF₀ particle of the ATP synthase