Abiotic Agents for Cross Pollination
Trending Questions
Q.
Which of the following is not water- pollinated plant?
Zostera
Vallisneria
Hydrilla
Cannabis
Q. Which of the following associations shows mutualism?
- Fig and wasp
- Barnacles on whale
- Roundworms in human intestine
- Orchids on mango tree
Q.
Difference between animal pollinated flowers and water pollinated flowers.
Q. Choose the correct statements from the following.
I) Both wind and water pollinated flowers are very colourful and produce nectar.
II) Wind-pollinated flowers have large feathery stigma to easily trap air-borne pollen grains.
III) Flies are the dominant biotic pollinating agents.
IV) Pollination by water is quite rare in flowering plants and is limited to about 30 genera, mostly monocotyledons.
I) Both wind and water pollinated flowers are very colourful and produce nectar.
II) Wind-pollinated flowers have large feathery stigma to easily trap air-borne pollen grains.
III) Flies are the dominant biotic pollinating agents.
IV) Pollination by water is quite rare in flowering plants and is limited to about 30 genera, mostly monocotyledons.
- I and III are correct
- II and III are correct
- II and IV are correct
- I and IV are correct
Q.
Assertion (A): Plants pollinated by abiotic agents produce enormous amounts of pollen as compared to plants pollinated by biotic agents.
Reason (R): Pollen grains coming in contact with stigma is a chance factor in anemophily and hydrophily.
Both A and R are true and R is the correct explanation to A.
A is true and R is false.
Both A and R are false.
A is false and R is true.
