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

Choose wrong statement for Abscisic acid (ABA) :
(i) It acts as a general plant growth inhibitor and an inhibitor of plant metabolism.
(ii) ABA inhibits seed germination.
(iii) ABA stimulates the closure of stomata
(iv) Increases the tolerance of plants to various kinds of stresses. Therefore, it is also called the stress hormone.
(v) ABA plays an important role in seed dormancy,
(vi) In most situations, ABA acts as an antagonist to GAs

Which part is removed during emasculation ?

Statement I: The reducing agent is NADH + H⁺ which is reoxidised to NAD in both lactic acid and alcohol fermentation processes.
Statement II: In both lactic acid and alcohol fermentation not much energy is released.

In anther culture, the androgenic haploid plants are obtained from

Double fertilization is

Endosperm in Angiosperm is

Which one of the following pairs is wrongly matched?

The percentage of light energy utilized for photosynthesis by higher plants is

Which one of the following techniques has helped to solve many mysteries involving murders, robberies and rapes?