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Science Exam Unit 2

Total questions: 20

Worksheet time: 40mins

Name
Class
Date
1.

Types of plants

a)

trees, grasses and bushes

b)

roses , flowers , sunflowers

c)

Canadian Firs

2.

What are the parts of the plants?

a)

water , air , pollen

b)

roots , flowers , leaves , stems , pollen

c)

soil , sun , water .

3.

What shape is the Canadian Firs ?

a)

rectangular shape

b)

oval shape

c)

triangular shape

4.

How tall are they ?

a)

30 m tall

b)

50 m tall

c)

18 m tall

5.

There are more than 250,000 plants species on Earth. All of them can be classified into two groups:

a)

Nonflowering and Flowering plants.

b)

Trees and plants

c)

Mosses and Ferns

6.

Are the smallest group of the plants. They never produce flowers or seeds.

a)

Flowering plants

b)

Nonflowering plants

c)

Mosses

7.

What are the Nonflowering plants?

a)

filaments and underside

b)

Mosses and Ferns

c)

short plants

8.

What is the Classify of the Florwering plants?

a)

Gymnosperms and Angiosperms

b)

Mosses and Ferns

c)

Roots and Flowers

9.

They are small , simple flowers , they do not produce fruit , have leaves all the year.They are called evergreens.

a)

Angiosperms

b)

Gymnosperms

c)

Mosses

10.

This plants have beautiful flowers ,they produce seeds and fruit .

a)

Angioesperm

b)

Gymnosperm

c)

Ferns

11.

How do plants get food ?

a)

they get food from others organism

b)

they get food from the rain

c)

they get food from the sun , water , air and mineral to make its food, plants breathe all the time, day and night.

12.

Is the process that enables plants to manufacture food from raw sap, carbon dioxide and sunlight .

a)

Photosynthesis

b)

elaborated sap

c)

Chlorophyll

13.

Is the green substance in the leaves that traps sunlight.

a)

Photosynthesis

b)

Chlorophyll

c)

oxygen

14.

Is distributed from the leaves to all parts of the plant. It is transported in tubes called phloem vessels.

a)

Respration

b)

Elaborated sap

c)

Photosynthesis

15.

The plants take oxygen from the air and give off carbon dioxide. This gas exchange is called ......

a)

oxygen

b)

respiration

c)

carbon dioxide

16.

Which is the reproductive organs of the plant ?

a)

Stamens

b)

Flowers

c)

Corolla

17.

Is the movement of pollen from the stamens to the ovary.This movement usually takes place in the same plant.

a)

stamens

b)

ovary

c)

Pollination

18.

what are the 2 ways of the pollination?

a)

Germination

b)

Insect pollination and Wind pollination.

c)

Bulbs

19.

Many plants can reproduce without flowers or seeds.This is called........

a)

Sexual reproduction

b)

Asexual reproduction

c)

Pollination

20.

Asexual reproduction uses.......

a)

Tubers , bulbs or stolons.

b)

Germination

c)

Flowers bloom