Synergid’s filiform apparatus
Guide the pollen tube
Guide the style for development
Present near the micropylar end
Both (a) and (c)
Related Questions
Anthesis is
Development of pollen
Development of anther
Opening of flower
Reception of pollen by stigma
Which one of the following statements is not true?
Pollen grains are released from anthers at 2-celled stage
Sporogenous cell directly behaves as the megaspore mother cell
Megaspore divides twice to form an eight nucleate embryo sac
Egg and synergids always lie near the micropylar end of ovule
The ploidy of tapetal cells is?
Hexaploidy
Which one of the following was observed for the first time by Trenb?
Entry of the pollen tube into the ovule through the micropyle in ottetia
Entry of the pollen tube into the ovule through the chalaza in casuarina
Entry of the pollen tube into the ovule through the integuments
Formation of many pollen tube into the ovule through the grain in hibiscus
Which of the following has proved helpful in preserving pollen as fossils ?
Sporopollenin
Pollenkitt
Oil content
Cellulosic intine
In angiosperms, male gametes are formed from
Antipodals
Prothallial cell
Tube cell
Generative cell
Entomophilous hydrophyte is?
vallisneria
zostera
nymphaea( water lily)
hydrilla
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
Chances of pollination in air and water are increased by increasing number of pollens. This statement is
TRUE
FALSE
Sometimes (a) and sometimes (b)
Neither (a) nor (b)
Which of the following statement is true with reference to cross pollination in angiosperms?
It requires the production of a large number of pollen grains
It can fail to occur due to distance barrier
It occurs only in unisexual flowers
It most often results in high yield of plants
