3rd grade plants

Question 1

True or false? Cut flowers in a vase do not need water.

• A. True
• B. False

Question 2

Why is it useful for seeds to be spread far from the parent plant?

• A. Because seeds dislike their parents
• B. So new plants do not compete with the parent for light, water and space
• C. So they stay in the shade
• D. So the parent plant can eat them

Question 3

In the life cycle of a sunflower, what comes straight after "flowering plant"?

• A. seed
• B. seedling
• C. new seeds
• D. young plant

Question 4

Which part of the flower makes pollen?

• A. the petal
• B. the stigma
• C. the anther (part of the stamen)
• D. the root

Question 5

A white carnation is put in red water. After a day its petals are pink at the edges. What does this show?

• A. Petals soak up water from the air.
• B. The flower is dying.
• C. Flowers make red paint.
• D. Water reaches all the way to the flower.

Question 6

Which plant's seeds are mainly spread by wind?

• A. cherries
• B. thistle
• C. coconut
• D. broom pods

Question 7

How are the seeds of this plant mainly spread: sycamore (maple)?

• A. wind
• B. animals
• C. water
• D. exploding pods

Question 8

True or false? Water leaves a plant through its leaves as water vapour.

• A. True
• B. False

Question 9

Why do flowering plants need flowers?

• A. to make the soil
• B. to make seeds
• C. to take in water
• D. to hold the plant up

Question 10

In the life cycle of an apple tree, what comes straight after "tree in blossom"?

• A. apples with pips
• B. young tree
• C. apple pip
• D. pollination

Question 11

Grass flowers are small and green with no scent. How are they pollinated?

• A. they are never pollinated
• B. by bees
• C. by birds only
• D. by the wind

Question 12

Where does most of the water that travels up a plant end up?

• A. It goes back down to the roots.
• B. It evaporates out through tiny holes in the leaves.
• C. It stays in the stem for ever.
• D. It turns into soil.