Homework Practice

Printable assignment

Reproduction in Plants: Practice 2

Processes and Observations

Question 1mcq

Why do many brightly coloured flowers also produce nectar?

A.To stop all seed formation

B.To make roots absorb more water

C.To attract insects that help transfer pollen

D.To change petals into fruits

Question 2mcq

A flower is covered with a paper bag before it opens. The student wants to prevent which process?

A.Germination inside the seed

B.Absorption of minerals by roots

C.Breaking of rocks into soil

D.Pollination from outside pollen

Question 3mcq

What happens during fertilisation in a flowering plant?

A.Male and female gametes fuse to form a zygote.

B.Pollen grains become petals immediately.

C.The sepals turn into roots.

D.The stem changes into an anther.

Question 4mcq

After fertilisation, which change is correctly matched?

A.Anther becomes root and stigma becomes leaf.

B.Ovule becomes seed and ovary becomes fruit.

C.Petal becomes pollen and sepal becomes zygote.

D.Style becomes seed and filament becomes fruit.

Question 5mcq

A tomato contains many seeds inside a fleshy part. Which explanation is best?

A.The seeds were made by leaves only.

B.Each seed was a petal before pollination.

C.Many ovules in the ovary developed into seeds.

D.The fruit formed before pollination and no fertilisation occurred.

Reasoning Practice

Question 6mcq

Why is seed dispersal useful for plants?

A.It prevents all seeds from germinating.

B.It makes seeds lose stored food.

C.It stops plants from reproducing sexually.

D.It reduces overcrowding and competition near the parent plant.

Question 7mcq

A seed has a wing-like structure and is light. Which dispersal agent is most likely?

A.Wind

B.Heavy rainfall only

C.A magnet

D.Electric current

Question 8mcq

Why do some fruits have hooks or spines on their seeds?

A.To perform photosynthesis in darkness

B.To cling to animal fur or clothes for dispersal

C.To absorb pollen from soil

D.To become heavier and fall near the parent

Question 9mcq

Which set of conditions is generally needed for seed germination?

A.Only bright sunlight and no water

B.Only soil colour and wind

C.Water, air and suitable temperature

D.No air and freezing temperature

Question 10mcq

In an experiment, seeds kept on dry cotton did not sprout, while seeds on moist cotton did. What was the missing condition?

A.Carbon dioxide only

B.Pollination

C.Petal colour

D.Water