Double fertilisation is exhibited by

(1) gymnosperms

(2) algae

(3) fungi

(4) angiosperms

Conifers differ from grasses in the :

The world's tallest (angiosperm) flowering tree is

(1) Sequoia

(2) Eucalyptus

(3) Pinus

(4) Cedrus

Occurrence of triploid (3n) primary endosperm nucleus is a characteristic feature of

(1) Algae

(2) Gymnosperms

(3) Angiosperms

(4) Bryophytes

Rauwolfia serpentina is used in:

1. Curing high blood pressure

2. Kidney failure

3. Eye defect

4. Diabetes