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

Which of the following plant group is considered as first terrestrial plants to possess vascular tissues xylem and phloem?

Microtubule is involved in the

Who isolated auxin from tips of coleoptiles of oat seedling?

A root hair is formed by

Mark the given statements True (T) or False (F).
(i) Growth, reproduction, ability to sense environment are the features of living organisms.
(ii) Early man could easily perceive the difference between inanimate matter and living organisms.
(iii) In majority of higher animals and plants, growth and reproduction are mutually exclusive events.
(iv) Properties of tissues are not present in the constituent cells but arise as a result of interactions among the constituent cells.
(v) Taxonomic categories/taxonomic groups are distinct biological entities and not merely morphological aggregates.
(vi) Genus comprises a group of related species which has more characters in common in comparison to species of other genera.
(vii) Order and other higher taxonomic categories are identified based on the aggregation of characters.
(viii) Herbarium serves as quick referral system in taxonomic studies.
(ix) Couplet represents the choice made between two same options.
This results in acceptance of only one and rejection of the other.
(x) The taxonomic studies of various species of plants and animals are useful in agriculture, forestry, industry and in general for knowing our bio-resources and their diversity.
Choose the correct option given below:-

The interaction between two living organisms of different species which is beneficial to both but is not obligatory because they can live without each other is known as

In gymnosperms, the pollen chamber represents

The vascular cambium in dicots is