Structure which contains spores are called ________
sporangium
stolon
fragments
none of theseAns: Sporangium is the structure which contains spores. A single-celled or many-celled structure in which spores are produced, as in fungi, algae, mosses, and ferns. Also called spore case.
_________ takes place without the union of two reproductive cells.
sexual reproduction,
asexual reproduction
fertilization
none of these
Branches underground stems with scale leaves is _______.
Rhizome
Bulb
Tuber
None of these
Grafting helps in the __________
union of gametes
development of new roots
combination of characters
development of buds
Sexual reproduction involves the union of two _______
cells
spores
gametes
An artificial method of vegetative reproduction where a piece of stem is cut is _______ .
Layering
Grafting
Tissue culture
Cutting
Sub-aerial stems are otherwise known as _______
bulb
rhizome
runner
tuber
Examples of plant propagated by roots:
Fern
Carrot
Bryophyllum
Ginger
Sub aerial stems are found in _______
ginger
lily
sansivieria
water hyacinth
An artificial method of vegetative reproduction where a new plant can be produced on the stem of the parent plant is _______ .