Biology : Plant Kingdom

In coconut, the liquid endosperm is formed because

• Karyokinesis is not followed by cytokinesis

• Karyokinesis is followed by cytokinesis

• Formation of the liquid endosperm is not dependent upon karyokinesis and cytokinesis

•  None of the above

Bacteria are considered plant because they

• are green in colour

• have rigid cell wall

• have chlorophyll

• have stomata

Which of the following is not the feature of gymnosperms?

• parallel venation

• perennial plants

• distinct branches (long and short branches)

• xylem with vessels

The edible dry fruit 'chigoza' is

• fruit of Cycas

• fruit of Pinus gerardiana

• seed of Cycas

• seed of Pinus gerardiana

Water bloom is generally caused by

• green algae

• blue- green algae

• bacteria

• Hydrilla

Indusium is found in

• algae

• ferns

• moss

• Cycas

Agar- agar is obtained from

• Chlorella

• Spirogyra

• Ulothrix

• Gelidium

Calyptra is derived from

• archaegonia

• capsule

• antheridia

• columella

Which of the following is not the feature of gymnosperms?

• parallel venation

• perennial plants

• distinct branches (long and short branches)

• xylem with vessels

Which of the following is/ are grouped under phanerogams?

• Angiosperms

• Gymnosperms

• Pteridophytes

• Both (a) and (b)