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

Controlling centre of cell is

A motile flagellated asexual cell is called

Which of the following matches is correct?

Statement I: Pyruvate after it enters mitochondrial matrix undergoes oxidative decarboxylation by a complex set of reactions catalysed by pyruvic dehydrogenase.
Statement II:During this process, two molecules of NADPH are produced from the metabolism of two molecules of pyruvic acid.

Which of the following statements about cork cambium is incorrect?

Choose the correct one for dicotyledonous stem from given statements.
(i) Epidermis is the outermost protective layer of the stem, covered with a thin layer of cuticle, it may bear trichomes and a few stomata.
(ii) The cells of the endodermis are rich in starch grains and the layer is also referred to as the starch sheath.
(iii) Pericycle is present on the inner side of the endodermis and above the phloem in the form of semi-lunar patches of parenchyma.
(iv) In between the vascular bundles there are a few layers of radially placed parenchymatous cells, which constitute medullary rays.
(v) A large number of vascular bundles are arranged in a ring.
(vi) Vascular bundles are conjoint and closed.

The largely tropical Amazonian rain forest in south America has how many species of mammals and reptiles are habitat ?

It is not a part of tissue which is responsible for the conduction of water and minerals from roots to the stem and leaves.

Cell elongation in internodal region takes place due to