Science Practice Quiz 197

Q1.The transfer of pollen from a flower to the stigma of a flower of a different plant of the same kind is termed as what?

A. Self-pollination B. Cross-pollination C. Fertilisation D. Zygote formation

Q2.What is the cell called that results after the fusion of gametes?

A. Ovule B. Embryo C. Zygote D. Pollen grain

Q3.The process involving the fusion of male and female gametes to form a zygote is known as what?

A. Pollination B. Germination C. Fertilisation D. Dispersal

Q4.After fertilisation, which part of the flower ripens and develops into a fruit?

A. Ovule B. Stigma C. Anther D. Ovary

Q5.From which part of the flower do seeds develop after fertilisation?

A. Ovary B. Stigma C. Ovules D. Anther

Q6.What does a seed contain, enclosed within a protective seed coat?

A. Pollen grain B. Zygote C. Embryo D. Ovule

Q7.Which of the following pairs represents examples of hard fruits?

A. Mango and orange B. Almonds and walnuts C. Mango and almonds D. Orange and walnuts

Q8.What is a primary benefit of seed dispersal for plants?

A. It increases competition for resources among seedlings. B. It prevents competition between the plant and its own seedlings for sunlight, water, and minerals. C. It ensures all seeds grow in the same place for better protection. D. It reduces the overall need for sunlight and water for the plant.

Q9.Seeds or fruits dispersed by water typically develop which characteristic to aid their dispersal?

A. Spiny outer coat with hooks B. Winged structures C. Floating ability in the form of spongy or fibrous outer coat D. Ability to burst with sudden jerks

Q10.Xanthium is an example of a seed dispersed by which method?

A. Wind B. Water C. Animals D. Sudden jerks

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Science Practice Quiz 197