Double fertilisation is exhibited by
(1) gymnosperms
(2) algae
(3) fungi
(4) angiosperms
Conifers differ from grasses in the :
1. | production of seeds from ovules |
2. | lack of xylem tracheids |
3. | absence of pollen tubes |
4. | formation of endosperm before fertilization |
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