The Yucca plant relies on a specific species of moth for pollination. What type of symbiotic relationship is exemplified by this interaction, considering that the moth larvae also depend on the Yucca plant for food?
Commensalism
Parasitism
Obligate Mutualism
Predation
Related Questions
Generally pollen tube enters through
Micropylar region
Antipodal region
Chalazal end
Nuclear region
Polygonum type of embryosac is?
Bisporic, 8 nucleate
Monosporic, 4 nucleate
Tetrasporic, 16 nucleate
Monosporic, 8 nucleate
Meiosis takes place in.
gemmule
megaspore
meiocyte
conidia
Which of the following is the primary pollination agent for both water hyacinth and water lily?
Water currents
Wind
Insects
Birds
In nature, cleistogamous flowers are
Self-pollinated
insect-pollinated
Wind-pollinated
Bird-pollinated
Study the following and find correct option
I. Tapetum nurishes the developing pollen grain
II. Hilum represents the junction between ovule and funicle
III. In aquatic plants such as water hyacinth and lilly pollination is by water
IV. The primary endosperm nucleus is triploid
I and II
I, II and IV
II, III and IV
II and IV
Function of tapetum is to provide
Protection
Nutrition
Respiration
All of these
Mesogamy is
Fusion of male and female gametes
Fusion of physiologically similar and morphologically different gametes
Entry of pollen tube through integuments
None of the above
Emasculation is not required in
Unisexual flower
Bisexual flower
Dioecious flower
Both (1) and (3)
