STD 11 - 8. Cell the unit of life — NEET STD 11 Science — Question

Select the correct pair.

Assertion : Pteridophytes are considered precursor to the seed habit.
Reason: The development of the zygotes into young embryos take place outside the female gametophytes.

Which of the following statements are correct for metabolism ?
(i) All chemical reactions occurring in living body together are called metabolism.
(ii) Majority of these metabolic reactions do not occur in isolation but are always linked to some other reactions.
(iii) Each of the metabolic reactions results in the transformation of biomolecules.
(iv) Metabolites are converted into each other in a series of linked reactions called metabolic pathways, these pathways are only linear.
(v) Metabolite flow is called the static state of body constituents.
(vi) Metabolic reactions is a catalysed reaction and there is no uncatalysed metabolic conversion in living systems.

Plasticity can be observed in the leaf of

The stress hormone that helps plant to respond drought is

Which among the following do you consider as the best evidence to show that two species of algae are closely related

In angiosperms, the oospore on development produces

From evolutionary point of view, retention of the female gametophyte with developing young embryo on the parent sporophyte for some time, is first observed in 

Conversion of pyruvic acid into lactic acid depends upon