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

The function of a vessel is

Mature Polygonum type embryo sac has got

Fill in the blanks and choose the correct option given below.
(i) The plane of alignment of chromosome at metaphase is referred to as the A.
(ii) B stage of M-phase is characterised by splitting of centromeres and seperation of chromatids.
(iiI) Nuclear envelope assembles around chromosome cluster in C stage of M-phase.
(iv) During cytokinesis in plant cell, formation of cell plate occur that represent D between the walls of two adjacent cells.
(v) During E stage of Prophase I, chromosome start pairing together. This process of association is called F.
(vi) During zygotene stage, the complex formed by a pair of synapsed Homologous chromosome is called a_G_
(vii) Crossing over occur during H stage of Prophase I and is enzyme-mediated process and enzyme involved is called I.
(viii) The site of crossover is X-shaped structure called J in diplotene stage.
(ix) Mitosis is also called K whereas meiosis is called L.
(x) Number of daughter cell form after mitosis is M and after meiosis is N.
(xi) Crossing-over occurs between O chromatids of homologous chromosome.

The functional xylem of dicot tree is

Both in callus and suspension cultures commonly used auxin is

What is correct for porphyra and Leminaria

Humus is important for plant growth because