STD 11 - 6. Anatomy flowering plants — NEET STD 11 Science — Question

The organism, which is used for gene transfer in higher plants is

Which of the following algae are used as food supplements by space travellers?

In the mountains, there is a lot of moisture and water and still the plants are xerophytes, because

Which of the following statements are correct regarding transcription ?
(i) rRNAs plays structural and catalytic role during translation.
(ii) There is single DNA-dependent RNA polymerase that catalyses transcription of all types of RNA in bacteria.
(iii) RNA polymerases are able to catalyse all the three steps of transcription i.e., initiation, elongation and termination.
(iv) The RNA polymerase is only capable of catalysing the process of elongation.
(v) Many times the translation can begin much before the mRNA is fully transcribed in bacteria, so transcription and translation can be coupled in bacteria.
(vi) In eukaryotes, there are at least three types of RNA polymerases in the nucleus.
(vii) In eukaryotes, the primary transcripts called hnRNA contain both the exons and the introns and are non-functional.

Gymnosperms do not have

Anemophilous pollination is mainly observed in

Select the correct pair