Class 7th

If male gamete fuses with female gamete, what will be the result structure

• Embryo

• Zygote

• Ovary

• None of the above

What is the condition of zygote

• Haploid

• Diploid

• Haploid,diploid

• None of the above

Pollen tube grows towards

• Gynoecium

• Androecium

• Stigma

• None of the above

The flowers which contains male and female reproductive organs are called

• Bi sexual

• Unisexual

• Both 1 and 2

• All of these

A pistil surrounded by male organs called

• Style

• Stamen

• Stigma

• None of the above

The transfer of pollen grains to another flower occurs by

• Wind

• Water

• Insects

• All the above

Pollination in aquatic plants takes place

• Water

• Air

• Animals

• Insects

After Pollen grain falls on the stigma of a flower the next step is

• Pollination

• Fertilization

• Cell division

• Cross pollination

If air carries Pollen grains from one flower to another flower that comes under

• Pollination by wind

• Pollination by water

• Pollination by animals

• None of the above

Major insects helps for pollination

• Honey bees

• Butterflies

• Both 1 and 2

• none of the