Tag: phanerogams

In angiosperms, which one of the following processes does NOT involve an unequal division?

In angiosperms during development of embryo, the suspensor cell develops from.

Which one induces agamospermy in Apple?

In an angiosperm, a female plant having $2n=24$ is crossed with a male plant having $2n=12$. What will be the chromosome number of endosperm.

In angiosperms, microsporogenesis and megasporogenesis.

Vessels are absent in which one of the following families of angiosperms?

Which fossil group formed the basis of Anthostrobilus theory of origin of angiosperms?

Consider the following statements associated with the germination of an angiosperm us seed.
a. As the seed gets hydrated and germinates. Enzymatic activity is increased.
b. The respiration rate of the germinating seed increases along with the increased enzymatic activity.
c. The increase in the respiratory rate continues till senescence.
Of the statements.

Consider the following floral characteristics.
a. Spirally arranged floral parts on the torus
b. Inferior ovary
c. Actinomorphic corolla
d. Stamens many
According to Hutchinson's concept, primitive angiosperm us flowers are characterized by.