Download Final Revision Model Answer Grade (2)

Final Revision Model Answer Grade (2)
Quarter (2)
Multiple Choice:
1- How are flowers and leaves different?
A.
Flowers make seeds. Leaves make food.
B.
Flowers make food. Leaves take in water and nutrients.
C.
Flowers take in water and nutrients. Leaves make seeds.
2- Look at this picture.
What does this insect carry from one flower to another?
A.
nutrients
B.
pollen
C.
seeds
3-What is the plant part from which new plants may grow?
A.
B.
a flower
a seed
C.
a stem
4- Look at the plant part that the arrow points toward.
Why is this part of the plant important?
A.
It makes food for the plant.
B.
It takes in water and nutrients from the soil.
C.
It carries water and nutrients from the roots to the leaves.
5-Which part of a plant makes seeds?
A.
a flower
B.
leaves
C.
roots
6- Look at this picture.
Why do you think this tree cannot make food during the winter?
A.
.
B.
There is too much snow in winter
C.
The tree has lost its leaves. It needs leaves to make food.
The tree cannot take in sunlight during the winter.
7- Rainwater falls on soil. How does water from the soil move through a
plant to the plant’s leaves?
A.
Water moves from the roots to the stem to the leaves.
B.
Water moves from the stem to the roots to the leaves.
C.
Water moves from the flowers to the stem to the leaves.
8-What is pollen?
A.
food that plants store in their stems
B.
a nutrient that plants take in from soil
C.
a powder that flowers need to make seeds
9- Look at the plant part that the arrow points toward.
How does this part help the plant live and grow?
A.
It makes seeds that may grow into new plants.
B.
It takes in air, water, and sunlight and makes food.
C.
It takes in nutrients and carries the nutrients to the stem.
10-Which part of a plant holds seeds?
A.
a fruit
B.
a leaf
C.
a stem
11- Look at this picture. Mia uses a hand lens to observe this stage of a
plant’s life cycle.
What is Mia observing?
A.
an adult plant
B.
a seed
C.
a seedling
12- In which stage of a plant’s life cycle do leaves first appear?
A.
adult
B.
seed
C.
seedling
13- How does a cone help a pine tree during its life cycle?
A.
A cone makes fruit.
B.
A cone grows flowers.
C.
A cone protects seeds.
14- What does germinate mean?
A.
to make fruits
B.
to make seeds
C.
to start to grow
15- What is a seedling?
A.
a young plant
B.
the part of a plant that makes fruit
C.
the part of a plant that grows into a new plant
16- What is a cone?
A.
a kind of flower
B.
a seed from a pine tree
C.
the part of a pine tree that holds seeds
17- Which is the first thing that grows from a seed?
A.
flowers
B.
leaves
C.
roots
18- Where do plants make seeds?
A.
in roots
B.
in leaves
C.
in cones or flowers
19- What kind of life cycle is this?
A.
B.
apple tree
bean plant
C.
pine tree
20- What is the last stage in the life cycle of a plant?
A.
adult
B.
seed
C.
seedling
21- What do seeds need in order to germinate?
A.
rocks
B.
shade
C.
water
22- How is this giraffe using the plant?
A.
as food
B.
as shelter
C.
as a hiding place
23- How can animals help plants reproduce?
A.
by bringing water to the plants
B.
by carrying seeds to new places
C.
by using plants to build their shelters
24- Which is a way that plants help animals?
A.
Plants help animals reproduce.
B.
Plants give off light, which animals need to live.
C.
Plants give off oxygen, which animals need to live.
25- At the beginning of every food chain, where do living things get
energy?
A.
from plants
B.
from the sun
C.
from animals
26- Look at this picture.
What can a butterfly carry away from flowers to help them make more
flowers?
A.
oxygen
B.
pollen
C.
water
27- A squirrel is using twigs and leaves to make a nest. What is the
squirrel doing?
A.
eating plants as food
B.
using plants to build a shelter
C.
helping plants make more plants
28- How are these foxes using the plants?
A.
as food
B.
to get water
C.
as a hiding place
29- How can this bee help the plant?
A.
by eating nectar from the plant
B.
by breathing in oxygen from the plant
C.
by spreading the plant’s pollen to other plants
30-How is this raccoon using the tree?
A.
for food
B.
for shelter
C.
for water
31- Why do people need plants?
A.
Plants help people reproduce.
B.
Plants make pollen that people need to live.
C.
Plants give off oxygen that people need to live.
32- What is an environment?
A.
all the living and nonliving things in a place
B.
a powder that flowers need to make new seeds
C.
a path that shows how energy moves from plants to animals
33- What is a powder that flowers need to make seeds?
A.
nectar
B.
oxygen
C.
pollen
34- What is a food chain?
A.
a video that shows how flowers make seeds
B.
a path that shows how energy moves from plants to animals
C.
a picture that shows all the living and nonliving things in a place
35- What is an adaptation?
A.
a change in an environment
B.
all the living and nonliving things in a place
C.
something that helps a living thing survive in its environment
36-Which animal is adapted to a cold, wet environment?
A.
B.
C.
37- An animal lives in a wet environment. What would most likely
happen to the animal if the environment became dry?
A.
The animal would grow new adaptations.
B.
The animal would survive in its new dry environment.
C.
The animal would have to move to a new wet environment to survive.