STD 11 - 3. Plant kingdom — NEET STD 11 Science — Question

Choose wrong statement for diplontic life cycle.
(i) Diploid sporophyte is the dominant, photosynthetic, independent phase of the plant.
(ii) The gametophytic phase is represented by the single to few-celled haploid gametophyte.
(iii) All seed bearing plants, i.e.. gymnosperms and angiosperms, follow this pattern.
(iv) Bryophytes and pteridophytes, intrestingly, follow this pattern.
(v) A dominant, independent, photosynthetic. thalloid or erect phase is represented by a haploid gametophyte.
(vi) Gametophyte is alternates with the short lived multicellular sporophyte.

The protein part of enzyme is known as

How many statements are correct from given sentences ?
(i) 'Dogs', 'Cats', 'Mammals', 'Wheat' is taxa
(ii) Processes of characterisation, identification, classification and nomenclature are basic to taxonomy
(iii) In early days classification based on evolutionary relationships between organisms
(iv) Linnacus used Systema Naturae as the title of his publication
(v) Systematics include identification, nomenclature and classification on the basis of evolutionary relationships between organisms.

Assertion: Flowers are the site of sexual reproduction in angiosperms.
Reason: In the flower, androecium represents the male reproductive organs and gynoecium represents the female reproductive organs.

In which one of the following male and female gametophytes do not have free living independent existence ?

A group of plants with similar traits of any rank is

Statement I: The keys are based on the contrasting characters generally in a pair called lead.
Statement II: Each statement in the key is called a couplet.

Energy flow in ecosystem is