Tag: structure of male and female reproductive structures

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Multiple choice biology pollination structure of male and female reproductive structures structure of ovule gynoecium

Pollen grains of flower pollinated by wind or insects are not ............

  1. Rough and sticky

  2. Large and showy

  3. Rough and dry

  4. Smooth and dry
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Pollen grains to be carried by wind as well as by insects will not be heavy in weight or showy. This is because it causes the wind as well as insects tough to perform pollination. They prefer light weight as well as winged ones.

Multiple choice biology reproduction structure of male and female reproductive structures structure of ovule gynoecium

Wind pollinated plants differ from insect pollinated plants in having ....

  1. Small petals and sticky pollen

  2. Small coloured petals and heavy pollen

  3. Coloured petals and large pollen

  4. No petals and light pollen
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Wind pollinated plants will have light weight pollens which are mostly winged and are thus easy to be carried away by wind. Whereas the plants where the pollinating agents are insects, the petals will be bright and scented so that the insects get attracted to it and acts as pollinator.

Multiple choice biology pollination structure of male and female reproductive structures structure of ovule gynoecium

A very close relationship between flower and pollinating agent is best exhibited by 

  1. Yucca

  2. Avena

  3. Salmalia

  4. Pisum
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

A very close relationship between flower and pollinating agent is best exhibited by Yucca as there is a mutually rewarding relationship between Yucca plant and species of moth. They cannot complete their life cycle without each other. The moth lays egg in the locules of the ovary. The larva uses some of the seeds as food. In turn, the flowers are pollinated by the moth. 

So, the correct answer is option A.