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Biology 9 LT4 Revision 2

Total questions: 132

Worksheet time: 2hrs 39mins

Name
Class
Date
1.

Which of the following is used to transport water & mineral ions, while also providing structural support to the plant?

a)

Phloem

b)

Mesophyll

c)

Stem

d)

Xylem

2.

This vascular tissue carries substances from the leaves to the other parts of the plant.

a)

Phloem

b)

Leaves

c)

Roots

d)

Xylem

3.

Which of the following is responsible for the transport of sugars ONLY.

a)

Spongy mesophyll

b)

Epidermis

c)

Xylem

d)

Phloem

4.

What is the stomata in plants?

a)

Large pores in the leaves

b)

The green pigment

c)

The chloroplast

d)

Tiny pores in the leaves

5.

By which of the following processes do water molecules enter into the plant?

a)

Osmosis

b)

Active transport

c)

Diffusion

d)

Transpiration

6.

Define the term "Transpiration".

a)

Exchange of gases between the leaf and atmosphere.

b)

Loss of water vapour from the leaves and stems of the plant.

c)

Movement of water from the roots to the leaves.

d)

Movement of water through the cells of the leaf.

7.

Which of the following is responsible for the absorption of mineral ions?

a)

Active transport

b)

Osmosis

c)

Diffusion

d)

Transpiration

8.

What is meant by the term "Translocation"?

a)

The process of releasing energy from glucose.

b)

The process of transporting manufactured food throughout the plant

c)

The process by which water is lost in the form of water vapour

d)

The process by which plants make their own food.

9.

For shoots growing from tubers, food moves from the tubers to the shoots. Which of the following statements in correct?

a)

Sink to source

b)

Source to sink

c)

Sink to sink

d)

Source to source

10.

Transpiration is

a)

the movement of water through a plant from the roots up the stem

b)

the loss of water from the leaves of a plant by the process of evaporation

c)

the flow of water into plant roots by osmosis from the soil

d)

the process of minerals and sugars moving through plant veins

11.

What happens to the transpiration rate as light intensity increases?

a)

It increases

b)

It decreases

c)

It stays the same

12.

diagram show the cross section of

a)

stem

b)

root

c)

leaf

13.

what is A

a)

xylem

b)

cambium

c)

phloem

d)

cortex

14.

what is B

a)

phloem

b)

cambium

c)

xylem

d)

cortex

15.

diagram shows cross section of a

a)

leaf

b)

root

c)

stem

16.

what is M

a)

phloem

b)

xylem

17.

what is N

a)

xylem

b)

phloem

18.

rate of transpiration decreases when .....

a)

light intensity increases

b)

humidity increases

c)

wind speed increases

d)

temperature increases

19.

What are the rhythmic muscular contractions of your esophagus called to help food move along?

a)

swallowing

b)

peristalsis

c)

inertia contractions

d)

paralysis

20.

______ is the watery liquid that begins to chemically break down food in your mouth.

a)

salivary glands

b)

saliva

c)

mucus

d)

water

21.

Which shows the correct order of digestion?

a)

mouth, pharynx, stomach, small intestines, esophagus

b)

pharynx, esophagus, stomach, small intestines, large intestines

c)

mouth, esophagus, large intestines, stomach, small intestines,

d)

stomach, large intestines, esophagus, small intestines

22.

Water from your undigested food is absorbed in the ___________________?

a)

small intestines

b)

stomach

c)

liver

d)

large intestines

23.

Where is Bile produced?

a)

The liver

b)

The Gallbladder

c)

The Pancreas

d)

The Intestine

24.

The movement of digested food molecules into the cells of the body where they are used, becoming part of the cells is called....

a)

egestion

b)

digestion

c)

ingestion

d)

assimilation

25.

Which food group contains the sugar "lactose"?

a)

Meat

b)

Fruit and Vegetables

c)

Dairy

d)

Bread & Grains

26.

On average, how much water should we drink during the day?

a)

1 litre

b)

4 cups

c)

1.5 litres

d)

2 litres

27.

What is a function of protein?

a)

Repair and build muscle

b)

Keep the body warm

c)

Help with the digestive system

d)

Cures asthma

28.
This nutrient's main function is to supply the body with energy; it is made up of carbon, hydrogen, and oxygen
a)
protein
b)
fat
c)
carbohydrate
d)
vitamin
29.
Nutrient responsible for growth and repair of body tissues; contains nitrogen as well as carbon, hydrogen, and oxygen.
a)
fat
b)
protein
c)
carbohydrate
d)
mineral
30.
Waxy, fatlike substance found only in animal products; not a necessary part of a diet since your liver produces it
a)
fat
b)
cholesterol
c)
amino acid
d)
fiber
31.
Building blocks of proteins
a)
amino acids
b)
antioxidants
c)
calories
d)
electrolytes
32.
Building blocks of proteins
a)
amino acids
b)
antioxidants
c)
calories
d)
electrolytes
33.
Condition where red blood cells do not contain enough hemoglobin; it can be caused by a diet low in iron.
a)
homeostasis
b)
anemia
c)
metabolism
d)
nutrition
34.

Getting rid of undigested/unwanted food

a)

Digestion

b)

Excretion

c)

Ingestion

d)

Egestion

35.

Substance in our food that gives us energy or materials needed for growth and development.

a)

Food

b)

Nutrient

c)

Molecules

d)

Water

36.

Elimination of waste products that arise as a result of metabolic activity.

a)

Digestion

b)

Excretion

c)

Ingestion

d)

Egestion

37.

Break down of large molecules into small molecules so they can be absorbed into the blood.

a)

Digestion

b)

Excretion

c)

Ingestion

d)

Egestion

38.

Digestion using enzymes

a)

Egestion

b)

Chemical process

c)

Mechanical process

d)

Ingestion

39.

Teeth is important in digestion because 

a)

it makes us smile 

b)

it physically breaks up food into smaller pieces 

c)

it chemically breaks up food 

40.

Which teeth are identified in this picture? These teeth are big and strong to help you grind food so it can be swallowed

a)

incisors

b)

premolars

c)

molars

d)

canines

41.

Which part of the tooth is known as the toughest substance in the human body?

a)

Dentine

b)

Cementum

c)

Enamel

d)

Jaw bone

42.

Which type of teeth are used to cut and bite food?

a)

Molars

b)

Canines

c)

Premolars

d)

Incisors

43.

Which teeth are used for tearing food?

a)

Incisors

b)

Canines

c)

Molars

d)

Premolars

44.

The teeth is used to carry out which type of digestion

a)

Chemical

b)

Mechanical

c)

Both chemical and Mechanical

d)

None of the above

45.

Identify the diagram

a)

Photometer

b)

Potometer

c)

Clinostat

d)

Potometre

46.

Which graph shows most clearly what will happen to the rate of transpiration as humidity increases?

a)
b)
c)
d)
47.

What food substance is made by plants during photosynthesis?

a)

Carbon dioxide

b)

Glucose

c)

Granulated sugar

d)

Oxygen

48.

Which is a major source of nutrients in plants?

a)

soil

b)

leaves

c)

stem

d)

roots

49.

This part of the transport system in plants is made up of dead cells.

a)

Xylem

b)

Phloem

c)

Shoot

d)

Leaves

50.

This part of the transport system in plants is made up of living cells.

a)

Xylem

b)

Shoots

c)

Phloem

d)

Leaves

51.

Water and minerals move upward from the root to the rest of the plant in this vascular tissue.

a)

Root

b)

Xylem

c)

Leaves

d)

Phloem

52.

This vascular tissue carries substances from the leaves to the other parts of the plant.

a)

Phloem

b)

Leaves

c)

Roots

d)

Xylem

53.

This is the process in which plants sweat.

a)

Transportation

b)

Transpiration

c)

Explanation

d)

Exportation

54.

What is the stomata in plants?

a)

Large pores in the leaves

b)

The green pigment

c)

The chloroplast

d)

Tiny pores in the leaves

55.

Which of the following is responsible for the transport of sugars ONLY.

a)

Spongy mesophyll

b)

Epidermis

c)

Xylem

d)

Phloem

56.

Which of the following is used to transport water & mineral ions, while also providing structural support to the plant?

a)

Phloem

b)

Mesophyll

c)

Stem

d)

Xylem

57.

By which of the following processes do water molecules enter into the plant?

a)

Osmosis

b)

Active transport

c)

Diffusion

d)

Transpiration

58.

Define the term "Transpiration".

a)

Exchange of gases between the leaf and atmosphere.

b)

Loss of water vapour from the leaves and stems of the plant.

c)

Movement of water from the roots to the leaves.

d)

Movement of water through the cells of the leaf.

59.

Which of the following is responsible for the absorption of mineral ions?

a)

Active transport

b)

Osmosis

c)

Diffusion

d)

Transpiration

60.

What is meant by the term "Translocation"?

a)

The process of releasing energy from glucose.

b)

The process of transporting manufactured food throughout the plant

c)

The process by which water is lost in the form of water vapour

d)

The process by which plants make their own food.

61.

For shoots growing from tubers, food moves from the tubers to the shoots. Which of the following statements in correct?

a)

Sink to source

b)

Source to sink

c)

Sink to sink

d)

Source to source

62.

Transpiration is

a)

the movement of water through a plant from the roots up the stem

b)

the loss of water from the leaves of a plant by the process of evaporation

c)

the flow of water into plant roots by osmosis from the soil

d)

the process of minerals and sugars moving through plant veins

63.

What happens to the transpiration rate as light intensity increases?

a)

It increases

b)

It decreases

c)

It stays the same

64.

diagram show the cross section of

a)

stem

b)

root

c)

leaf

65.

what is A

a)

xylem

b)

cambium

c)

phloem

d)

cortex

66.

what is B

a)

phloem

b)

cambium

c)

xylem

d)

cortex

67.

diagram shows cross section of a

a)

leaf

b)

root

c)

stem

68.

what is M

a)

phloem

b)

xylem

69.

what is N

a)

xylem

b)

phloem

70.

rate of transpiration decreases when .....

a)

light intensity increases

b)

humidity increases

c)

wind speed increases

d)

temperature increases

71.

How does water move from the soil into the root hair cell and reach the xylem vessels?

a)

diffusion

b)

osmosis

c)

active transport

d)

none of the above

72.

This kind of arrangement of vascular bundles can be seen in the ............?

a)

leaf

b)

root

c)

stem

73.

How does water move from the soil into the root hair cell and reach the xylem vessels?

a)

diffusion

b)

osmosis

c)

active transport

d)

none of the above

74.

This kind of arrangement of vascular bundles can be seen in the ............?

a)

leaf

b)

root

c)

stem

75.
What are the products of photosynthesis?
a)
water and carbon dioxide
b)
oxygen and glucose
c)
oxygen and carbon dioxide
d)
oxygen and water
76.
How does carbon dioxide get into the leaves of a plant?
a)
It's absorbed by the roots
b)
It's made in a chemical reaction in the stem
c)
It enters through the stomata
d)
It goes through the flowers
77.

What is an example of osmosis?

a)

Carbon dioxide goes out through the stomata of a leaf.

b)

Digested food is absorbed from the small intestine.

c)

Oxygen goes into the blood from an alveolus.

d)

Water enters a plant root from the soil.

78.
Transpiration is
a)
The process of a gas turning into a liquid.
b)
A gas formed from something that is usually a liquid or solid at normal temperatures. Clouds are made of condensed vapor.
c)
The process by which plants give off moisture into the atmosphere.
d)
When a liquid changes into a vapor or gas.
79.

What is the optimum pH for stomach protease?

a)

pH2

b)

pH6

c)

pH8

d)

pH12

80.

What are enzymes made of?

a)

Carbohydrate

b)

Fat

c)

Protein

d)

Fibre

81.

What are lipids broken down into?

a)

Glucose

b)

Amino acids

c)

Sugar

d)

Fatty acids and glycerol

82.

Guard cells help in

a)

Transpiration

b)

Protection against grazing

c)

Fight against infection

d)

Guttation

83.

Where is the highest water potential?

a)

in the flower

b)

cannot be determined by picture.

c)

in the vase

d)

in the leaves

84.

Osmosis is the movement of _____________ across a membrane.

a)

food molecules

b)

oxygen molecules

c)

water molecules

d)

energy

85.
An example of lipids is ________________.
a)
Pasta
b)
Chicken
c)
Oils
d)
DNA and RNA 
86.
When two monomers or more of monosaccharides combine they form a molecule called a _______________.
a)
Polysaccharide
b)
Lipid
c)
Nucleic acid
d)
Protein
87.
An example of a carbohydrate is ___________________.
a)
Butter
b)
Cheese
c)
Steak
d)
Bread
88.
A(n) _______________ is a protein that speeds up that rate of a chemical reaction.
a)
Muscle 
b)
Ketone
c)
Alpha helix
d)
Enzyme 
89.
Organic molecules are from living things and always contain the _____________ atom.
a)
Iron
b)
Carbon
c)
Potassium
d)
Nitrogen 
90.
Starch is a ___________ because it is made of many sugars sub units
a)
monosaccarhides 
b)
Disaccarhides
c)
Polysaccharides
d)
Protein 
91.

Which colour confirms little reducing sugars when a food substance with Benedict's solution is heated?

a)

Red

b)

Green

c)

Blue

d)

Orange

92.

A food was chemically tested with a solution that changed from yellow to blue/black? Which solution was the food tested with?

a)

Biuret

b)

ethanol

c)

Benedict's

d)

iodine

93.

Glycerol and fatty acids make up which one of the following food molecules?

a)

lipids

b)

simple carbohydrate

c)

complex carbohydrates

d)

proteins

94.

Which chemical food test involves a positive result of a cloudy white emulsion?

a)

protein

b)

lipid

c)

glucose

d)

starch

95.

Which pH range would provide an acidic environment for enzyme action?

a)

2-4

b)

7-8

c)

9-11

d)

13-14

96.

State the balanced symbol equation for photosynthesis

a)

CO2 + H2O -> C6H12O6 + O2

b)

C6H12O6 + 6O2 -> 6CO2 + 6H2O

c)

6CO2 + 6H2O -> C6H12O6 + 6O2

d)

CO2 + H2O -> 6C6H12O6 + O2

97.

State the name of structure A

a)

Vascular bundle

b)

Upper epidermis

c)

Palisade mesophyll

d)

Spongy mesophyll

98.

What is the name of the water proof layer on the top of the leaf?

a)

Vascular bundle

b)

Cuticle

c)

Palisade mesophyll

d)

Spongy mesophyll

99.

What are the cells in layer B called?

a)

Vascular bundle

b)

Cuticle

c)

Palisade mesophyll

d)

Spongy mesophyll

100.

What are the cells in layer C called?

a)

Vascular bundle

b)

Cuticle

c)

Palisade mesophyll

d)

Spongy mesophyll

101.

What is the name of layer D called?

a)

Vascular bundle

b)

Cuticle

c)

Palisade mesophyll

d)

Spongy mesophyll

102.

What is structure F called?

a)

Vascular bundle

b)

Cuticle

c)

Palisade mesophyll

d)

Stomata

103.

What is the role of stomata?

a)

Openings in the leaf that allows gas in and out of the plant

b)

Transports water and supports the plant

c)

transports sugars

d)

Where photosynthesis happens

104.

The stomata are openings in the leaf which allow for gas exchange. Which cells found either side of the opening control the stomata?

a)

Guard Cells

b)

Palisade Cells

c)

Spongy mesophyll

105.

What is structure E called?

a)

Vascular bundle

b)

Cuticle

c)

Palisade mesophyll

d)

Lower epidermis

106.

Plants response to water..

a)

Hydroptropism

b)

Chemotropism

c)

Phototropism

d)

Gravitropism

107.

minerals obtained by plants are selectively absorbed from

a)

stem

b)

root

c)

leaves

d)

flower

108.

Plants response to light..

a)

Gravitropism

b)

Chemotropism

c)

Hydrotropism

d)

Phototropism

109.

Plants response to grow towards or away from gravity

a)

Gravitropism

b)

Hydrotropism

c)

Thigmotropism

d)

Phototropism

110.

Positive response for gravitropism would be...

a)

plant to look sad

b)

plant to grow straight up

c)

plant to grow away from earth

d)

plant to grow towards earth

111.

Living organisms obtain energy from

a)

Carbon Dioxide

b)

Food

c)

Water

d)

Oxygen

112.

Ultimate source of energy for all living organisms is

a)

Plants

b)

Atmosphere

c)

Earth

d)

Sun

113.

Which of the following is not necessary for photosynthesis

a)

Chlorophyll

b)

Carbon dioxide gas

c)

Oxygen

d)

Water

114.

Identify what is shown in the picture

a)

chlorophyll

b)

stomata

c)

carbon dioxide

d)

veins

115.

Xylem and Phloem are both __.

a)

Transpiration

b)

Absorption

c)

Photosynthesis

d)

Vascular tissue

116.

What is this?

a)

Monocot Root

b)

Monocot Stem

c)

Dicot Root

d)

Dicot Stem

117.

What is this?

a)

Monocot Root

b)

Monocot Stem

c)

Dicot Root

d)

Dicot Stem

118.
what is the function of root hair?
a)
it is place to store the food
b)
it has large surface area to absorb more water
119.
Water vapour exits a plant leaf by
a)
the stomata
b)
the epidermis
c)
the palisade cells
d)
the spongy mesophyll
120.

Where does sugar transport begin?

a)

Roots

b)

Leaves

c)

Root hairs

d)

Vascular bundles

121.
Where on a variegated leaf will you find starch?
a)
White area
b)
Green area
c)
Pink area
d)
Yellow area
122.
What is the purpose of nitrate ions for plants?
a)
To make fats
b)
To make glucose
c)
To make starch
d)
To make proteins
123.
What causes a plant to wilt?
a)
Too much water
b)
Loss of water
124.
What features do root hair cells have that animal cells do not have?
a)
Nucleus and cytoplasm
b)
Cell wall and vacuole
c)
Chloroplasts and cell membrane
d)
Chloroplasts and no vacuole
125.
What does a group of xylem vessels form within a plant?
a)
An organ
b)
A cell
c)
An organism
d)
A tissue
126.
What chemical is used to test for starch?
a)
Biuret solution
b)
Ethanol
c)
Iodine solution
d)
Benedict's solution
127.

What do the guard cells do?

a)

Control active transport

b)

Control nutrients moving into the cell

c)

Controls the rate of transpiration (loss of water through the leaf)

128.

How is a plant root hair cell adapted for absorbing water from the soil efficiently?

a)

It has many chloroplasts

b)

It has lots of mitochondria

c)

It has a large surface area

d)

It has a large vacuole

129.

Which of the following molecules is a quick source of energy?

a)

carbohydrate

b)

fat

c)

protein

d)

water

130.

An example of simple sugar (monosaccharide).

a)

glucose

b)

sucrose

c)

starch

d)

glycogen

131.

Which test is used to detect the presence of reducing sugars (i.e. small sugars like glucose)?

a)

Biuret test

b)

Benedict's test

c)

Bartholomew's test

d)

Bronchial test

132.

The test tubes in the photo represent a negative and positive result for

a)

Benedict's with glucose

b)

Biuret with protein

c)

Iodine with starch

d)

Ethanol with fat

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