Seed

State the method of dispersal for this seed/ fruit.

• Wind

• Animals

• Water

• Splitting Action

The purpose of seed dispersal is for the seeds to __________.

• germinate at the same time

• move to the same place and grow

• move further away from the parent plant

• compete with one another for minerals in the soil

State the method of dispersal for this seed/ fruit.

• Wind

• Animal

• Water

• Splitting Action

What are the characteristic of the seeds dispersed by man and animals?

A: Can float on water

B: Sweet and juicy

C: Have hooks or stiff hairs

D: Have wing-like structures and are light

• A and B only

• B and C only

• C and D only

• A, B and C only

Tags

NGSS.4-LS1-1

Jeff grew his plant in a small pot. He placed the pot outside and watered the plants every day.

However, after a few weeks, the plants died. What is the likely reason for this to happen?

• Unfertilised soil

• Not enough water

• Not placed under sunligt

• Overcrowding

Tags

NGSS.MS-LS1-5

A mystery fruit was said to be dispersed by water.

How can one confirm this statement?

A: Place the fruit on water to see if it floats.

B: Find the mass of the fruit by putting it on a weighing scale.

C: Cut open the fruit to see if it has a fibrous husk.

D: Cut the fruit to see if it containts water.

• A and B only

• B and D only

• A and C only

• C and D only

State the characters ideal for dispersion by wind.

• Small, light and hair-like

• Small, light and sharp hooks

• Big, light and fibrous husk

• Big, light and explode

Tags

NGSS.3-LS4-2

NGSS.4-LS1-1

In what stage of the life cycle does pollination occur?

• seed production
• germination
• fertilization
• plant development

All fruits have seeds.

• True
• False

What does an ovule become when it is pollinated?

• a seed
• a sprout
• a fruit
• it stays an ovule