In Loranthus, the ovule is enclosed by
2 integuments
1 integument
No integuments
3 integuments
Related Questions
Wind pollinated and water pollinated plants
Are colourful
Are non-colourful
Are small in size
Produce nector
Type of pollination in commelina is
Chasmogamy
Geitonogamy
Xenogamy
Cleistogamy
Which component of pollen grains allows them to resist decay and become fossilized?
Sporopollenin
Callose
Suberin
Lignin
Which of the following plant-insect relationships exhibits obligate mutualism, where neither organism can complete its life cycle without the other?
Yucca plant and Yucca moth
Fig and wasp
Orchid and bee
Mango and fruit fly
How many cells are found in female gametophyte?
6
8
7
5
Embryo sac represents
megaspore
female gametophyte
megasporophyll
megagamete
Male gametes wheather 2 celled or 3-celled are identical in genetic make up because
They arise from a single microspore through mitosis
They are formed by equal cytokinesis after meiosis II
They are formed by unequal cytokinesis after meiosis I
They are formed by reduction division
Which of the following temperatures is ideal for cryopreserving biological materials like pollen grains?
-196°C
-20°C
4°C
25°C
embryo sac the number of synergid egg cell central cell antipodal cell follows the order
1-1-2-3
2-1-3-2
2-1-1-3
3-2-1-2
Both self – pollination and allogamy occurs in?
Vallisneria
papaya
abutilon
viola
