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Year 9 Term 1 assessment (2021)

Total questions: 50

Worksheet time: 49mins

Name
Class
Date
1.

Photosynthesis is a chemical reaction, in the presence of sunlight. What are the reactants?

a)

carbon dioxide and oxygen

b)

carbon dioxide and water

c)

oxygen and water

d)

water and glucose

e)

glucose and oxygen

2.

Photosynthesis is a chemical reaction, in the presence of sunlight. What are the products?

a)

carbon dioxide and oxygen

b)

carbon dioxide and water

c)

oxygen and water

d)

water and glucose

e)

glucose and oxygen

3.

Choose all that are correct:

Starch is .....

a)

a particular type of glucose molecule

b)

thousands of glucose molecules linked together

c)

soluble in water

d)

insoluble in water

e)

found in the chloroplasts of cells

4.

To test if starch is present in a leaf, we use

a)

the "taste test"

b)

iodine solution after heating the leaf in ethanol

c)

ethanol, after soaking the leaf in iodine

d)

"Benedict's Solution"

e)

pH solution

5.

Magnesium is a mineral salt that is commonly added to fertiliser, so plants can

a)

make chlorophyll

b)

strong cell walls

c)

develop stronger root system

d)

make protein

6.

"NPK" fertiliser always contain the following mineral salts:

a)

nitrogen, phosphorous, calcium

b)

nitrogen, phosphorous, magnesium

c)

nitrate, phosphate, potassium

d)

nitrate, phosphate, magnesium

7.

Choose all that apply:

Nitrates are needed for healthy plant growth, as they

a)

help the plant increase the rate of photosynthesis

b)

help the plant develop proteins

c)

prevent stunted growth in plants

d)

prevent leaves turning yellow

8.

Choose all that apply:

Water is necessary for plants for the following reasons:

a)

keep plants firm and upright

b)

transport of mineral salts

c)

encourage evaporation in the plant

d)

necessary for photosynthesis

e)

keeping the plant cool

9.

Water is stored in the ........ of cells.

a)

stoma

b)

chloroplasts

c)

spongy mesophyll

d)

vacuole

e)

cytoplasm

10.

Root hair cells are specialised cells for plant growth because

a)

they have a large surface area for absorbing water and nutrients

b)

they have a large surface area to allow for greater photosynthesis

c)

they keep growing until they reach water and nutrients

d)

they keep growing until they reach sunlight for photosynthesis

11.

Choose all that apply"

The stamen is composed of:

a)

anther

b)

ovary

c)

stigma

d)

style

e)

filament

12.

Choose all that apply:

The carpel (pistil) is composed of:

a)

anther

b)

ovary

c)

stigma

d)

style

e)

filament

13.

The function of the anther is to:

a)

hold the filament

b)

produce pollen

c)

trap pollen grains

d)

attract pollinators

e)

hold the stigma up

14.

The ovary

a)

contains the ovules

b)

develops into the fleshy part of fruit

c)

develops into seeds

d)

produces the sweet, fragrant liquid that attracts pollinators

e)

part of the carpel (pistil)

15.

The part of the flower that protects it in the early "budding stage" is the

a)

petals

b)

receptacle

c)

sepals

d)

style

e)

stigma

16.

Pollen grains are made in the

a)

anther

b)

style

c)

stigma

d)

filament

e)

ovary

17.

A "zygote" is

a)

the male gamete

b)

the female gamete

c)

new cell formed when a male gamete fuse with a female gamete

d)

a little group of cells

e)

the developing embryo

18.

Pollination is

a)

the transfer of pollen from the stigma to the anther

b)

the development of pollen grains

c)

when the male gamete fuses with the female gamete

d)

the transfer of pollen from the anther to the stigma

e)

the transfer of pollen from the stigma to the ovule

19.

Choose all that apply:

Flowers which depend on the wind to pollinate are typically

a)

bright coloured

b)

not brightly coloured

c)

have spiky or sticky pollen

d)

have smooth pollen

e)

produce large amounts of pollen

20.

Choose all that apply:

Bees are well adapted for pollination because

a)

the are brightly coloured

b)

they have bodies which pollen easily sticks to

c)

they have pollen baskets in their legs

d)

they have a long probsicus to search out nectar

e)

are easy to care for and manage by beekeepers

21.

Cross-pollination is

a)

when a flower is pollinated by another flower from the same plant

b)

when flowers of two different plants of the same species are pollinated

c)

when flowers of two different plants of different species are pollinated

d)

when angry, agitated bees take part in the pollination process

22.

In the various stages of fertilisation of a plant, state what occurs directly after pollen grains land on a stigma.

a)

The male gamete fuses with the female gamete

b)

The zygote starts to divide

c)

The male gamete goes down a tube

d)

A tube grows out of a pollen grain

23.

Choose the correct order for seed formation in a plant:

a)

zygote produced, male gamete fuses with female gamete, mitosis, embryo formed, ovule becomes a seed

b)

male gamete fuses with female gamete, zygote produced, mitosis, embryo formed, ovule becomes a seed

c)

embryo formed, male gamete fuses with female gamete, zygote produced, mitosis, ovule becomes a seed

d)

male gamete fuses with female gamete, zygote produced, embryo formed, mitosis, ovule becomes a seed

24.

Name of the process:

A seed reaches the ground and a new plant grows

a)

Pollination

b)

Fertilisation

c)

Dispersion

d)

Germination

25.

How is pollen transported?

a)

By animals

b)

By the wind

c)

By water

d)

By CO2

26.

State the method of dispersal for this seed/ fruit.

a)

Wind

b)

Animals

c)

Water

d)

Splitting Action

27.

State the method of dispersal for this seed/ fruit.

a)

Wind

b)

Animal

c)

Water

d)

Splitting Action

28.

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)

A and B only

b)

B and C only

c)

C and D only

d)

A, B and C only

29.

How are grape seeds dispersed?

a)

By wind

b)

By animal

c)

By splitting

d)

By water

30.

Subatomic particles with a negative charge

a)

Electrons

b)

Neutrons

c)

Protons

d)

Quarks

31.
Subatomic particles with a positive charge
a)
neutrons
b)
atomic mass
c)
protons
d)
isotopes
32.
Measure mainly of the nuclear particles: protons + neutrons
a)
Subatomic Particles
b)
Atomic Number
c)
Atomic Mass
d)
Gluons
33.
Subatomic particles that are neutral in charge
a)
Neutrons
b)
Protons
c)
Nucleus 
d)
Electrons
34.
A tiny but very dense, positively charged portion of the atom that holds most of the atomic mass
a)
Electron Shells
b)
Orbitals
c)
Electron Cloud
d)
Nucleus
35.

How many protons and electrons does this element have?

a)

35

b)

18

c)

17

d)

52

36.

How many neutrons does Chlorine have?

a)

18

b)

17

c)

35

d)

52

37.

What is the atomic mass of Neon?

a)

10

b)

20

c)

30

38.

How many neutrons does calcium have?

a)

20

b)

40

c)

60

d)

0

39.
How many protons does this atom have?
a)
3
b)
6
c)
4
d)
2
40.
What is the chemical symbol for Chlorine?
a)
Cl
b)
Ch
c)
Cr
d)
Ce
41.
Which of the following is a chemical compound?
a)
Co
b)
 CO2
c)
Mg
d)
Al
42.
Compounds are two or more elements that are chemically bonded together.
a)
True
b)
False
43.
What is the chemical symbol for Potassium?
a)
Po
b)
K
c)
H
d)
P
44.
A compound is represented by a:
a)
Heart
b)
Atomic Mass
c)
Atomic Number
d)
Formula
45.
The horizontal rows of the periodic table
a)
Groups
b)
Periods
c)
Families
46.
The electrons that are on the outer most region of the atom
a)
Shell Electrons
b)
Violent Electrons
c)
Valence Electrons
47.
FIND THE ELECTRONIC CONFIGURATION OF Cl (At no = 17)
a)
2,8,7
b)
2,8,8
c)
2,8,6
d)
2,8
48.

The mass of an atom is

a)

equal to the number of protons

b)

the protons + electrons

c)

the protons + neutrons

d)

the protons + neutrons + electrons

49.
For an atom, the number of electrons is equal to the number of _____
a)
protons
b)
protons plus neutrons
c)
neutrons
d)
nucleons
50.
an atom with atomic number 6 would have how many protons 
a)
6
b)
12
c)
3
d)
cannot be determined 

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