STD 11 - 5. Morphology flowering plants — NEET STD 11 Science — Question

Nucleotides are building blocks of nucleic acids. Each nucleotide is a composite molecule formed by

Bicarpellary, syncarpous, unilocular ovary with basal placentation occurs in

Carbohydrates are commonly found as starch in plants storage organs. Which of the following five properties of starch (1­5) make it useful as a storage material?(1)Easily translocated(2)Chemically non­reactive(3)Easily digested by animals(4)Osmotically inactive(5)Synthesized during photosynthesis The useful properties are

Haploid sexual spore produced exogenously is

Agar agar is obtained from

Which of the following is incorrect about ethylene?

Assertion: Specialization of cells is useful for organism.
Reason: It increases the operational efficiency of an organism

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.