Seeds
Germination
Plants
100
Which part of the seed protects the seed?
seed coat
100
What is germination?
The process when the seed starts to grow into a plant
100
What part of the plant anchors it to the ground and absorbs water?
roots
200
What is an embryo?
a) The outer cover that protects the seed
b) An organ that transports water around the plant
c) An organ that makes food for the plant
d) Part of a seed that grows into a new plant
D
200
Name three things needed for germination
water, air, warmth
200
What four factors are needed for plant growth?
water, light energy, air, warmth
300
Which part of the seed joins it to the fruit?
scar
300
Diana boiled some beans for lunch. Then she put a few of them into the cotton and sprayed some water. She put the beans into the fridge. A week later, the seeds did not germinate. Name two reasons why.
1. the embryo was initially dead - she cooked the beans
2. the fridge is too cold
300
Why do plants need light? (be specific)
to make food in the leaves
400
Seeds are found inside ...
fruits!
400
Order the sentences:
A The root grows down into the soil
B Leaves get bigger and seeds shrivel
C Seed coat splits
D The first shoot grows
E The first leaves grow
C, A, D, E, B
400
Which gas is USED by the plants, and which gas is PRODUCED?
carbon dioxide, oxygen
500
Why does a seed need a food store? (Only a complete answer will count)
because the embryo needs energy to grow into a plant, and it does not have leaves to make food for itself yet
500
The very first step of germination is absorbing water. Why do seeds need to absorb water first? Name two reasons.
1. to "wake up" the seed
2. to make the seed coat softer, so it can split and the embryo can grow out of it
500
Describe a plant grown in the dark and a plant grown in the light. Name three differences.
1. green & yellow leaves
2. a plant grown in the dark will be taller
3. a plant grown in the dark will be weaker