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year 7 end of years > End Of Year Exam > Flashcards

End Of Year Exam Flashcards

1
Q

What colour does the green part of a variegated leaf turn when there is iodine put on it

A

Blue / black

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2
Q

What colour does the white part of a variegated leaf turn when there is iodine put on it

A

Remains orange

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3
Q

Where would there be starch in a variegated leaf

A

In the green parts but not the White

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4
Q

What is the limiting factor

A

A factor that can prevent the rate of a reaction increasing further

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5
Q

What are the limiting factors of photosynthesis

A

Light intensity oxygen and temperature

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6
Q

What gas is produced by photosynthesis

A

Oxygen

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7
Q

What is the word equation for photosynethsis

A

Carbon dioxide + water arrow oxygen + glucose
Light above the arrow
Chlorophyll below

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8
Q

If you place the lamp closer to the pond weed the rate of photosynthesis will….

A

Rise

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9
Q

True or false… the closer the the lamp the more oxygen bubbles are produced

A

True

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10
Q

True or false by placing the lamp further away there is less oxygen bubbles and a lower rate of photosynthesis

A

False

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11
Q

What is the piece you look through called on a microscope

A

Eyepiece lens

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12
Q

What is the long piece between the eyepiece lens and the objective lens called

A

The body tube

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13
Q

What part of the microscope do you clip your slide onto

A

Stage

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14
Q

What is the name of the two knobs

A

Rough focusing knob and the fine focusing knob

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15
Q

What is another name for a living thing

A

An organism

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16
Q

All organisms are made up of what

A

Cells

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17
Q

What do both animals and plants cells have

A

A nucleus, cytoplasm, a cell membrane and mitochondria

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18
Q

What do just plant cells have

A

A cell wall, a vacuole and chloroplasts

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19
Q

What is the job of the nucleus

A

It controls what the cell does

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20
Q

What is the job of the cytoplasm

A

It is a jelly-like stuff where most chemical reactions occur

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21
Q

What is the job of a cell membrane

A

This is a thin skin around the cell it holds the cell together and also controls what goes in and out

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22
Q

What is the job of the mitochondria

A

Thea are tiny structures inside the cell where most of the reactions take place

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23
Q

What is the job of the cell wall

A

It is a rigid outer coating made of cellulose it also gives support to the cell

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24
Q

What is the job of a vacuole

A

This is filled with cell as a solution of sugar and salts

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25
Q

What is the job of chloroplasts

A

These contain chlorophyll used for photosynthesis

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26
Q

True or false respiration happens in every cell of ever organism

A

True

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27
Q

What are the male sex cells

A

Sperms

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28
Q

Where and when are sperms made

A

Sperms are made in the testes after puberty

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29
Q

Sperms mix with what to make semen

A

A liquid

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30
Q

What is a female sex cell called

A

An egg

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31
Q

One of the two ovaries release an egg every…

A

28 days

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32
Q

The egg passes into one of the..

A

Fallopian tubes

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33
Q

What are the four main stages of the menstrual cycle and when does it take place

A

Bleeding starts on day 1
The lining of the uterus builds up again on day 4
An egg is released from the ovaries of the female on day 14 though this may vary for some women
The wall remains thick awaiting the Arrival of a fertilised egg on day 28

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34
Q

How many sperms are released from the penis

A

Millions

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35
Q

What is it called when the speed enter the vagina

A

Sexual intercourse

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36
Q

How big it the embryo at 1 month and what body parts does it have

A

The embryo is 6mm long and has a brain, heart,eyes,ears and legs

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37
Q

What is the embryo called at 9 weeks and how long is it

A

The embryo is now called a Foetus and it is completely formed and it is 25mm long

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38
Q

How long is the foetus at 3 months

A

The foetus is 54mm long and looks much more like a baby

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39
Q

What is happening at 5 months and how long is the foetus

A

The baby is now 160mm long and it kicks and its finger nails can be felt

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40
Q

At 7 month how long is the foetus and if it was born now would it be able to survive

A

The foetus is 370mm long and it has a fair chance of surviving if it was born now

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41
Q

At 39 weeks how long is the baby and it it fully developed

A

At 39 weeks the baby is 570mm long and it is fully developed and ready to be born

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42
Q

What does Mrs Gren stand for

A

Movement reproduction sensitivity growth respiration excrution nutrition

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43
Q

What does Mrs Gren tell us

A

Whether something is alive or dead

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44
Q

What is the lever below the stage called on a microscope

A

Diaphragm lever

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45
Q

What is it called when you cut something in half diagonal

A

Transverse section

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46
Q

What is it called when you cut something in half vertically

A

Longitudinal section

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47
Q

What is the function of the neurone cell ( nerve cell)

A

Transmitting electrical pulses

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48
Q

What is the function of the palisade cell

A

The main site of photosynthesis in a leaf

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49
Q

What is the job of the red blood cells

A

Pumping blood around the body

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50
Q

What is the job of the ciliates epithelial cell

A

To waft mucus in the trachea

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51
Q

What is the job of the ovum

A

To contain large food store for developing embryo

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52
Q

What is the job of the sperm

A

Tail which allows cell to swim to ovum

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53
Q

What is the job of the guard cell

A

It can swell up in water and open the stomata and shrink to close stomata

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54
Q

What is the job of the root hair cell

A

They take water and mineral ions into the plant from the soil

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55
Q

What is the job of the White blood cells

A

To destroy bacteria and viruses

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56
Q

What is the cardiact muscule around

A

The heart to keep it beating

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57
Q

In a equation what should the equals sign be

A

A arrow

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58
Q

Where is the smooth muscle and what is its job

A

Found near the stomach helps digest food and keep blood vessels moving

59
Q

What is the skeletal muscle

A

The muscle around the leg helps us moving

60
Q

What is it meant by muscles being in an antagonistic pair

A

It is when one part of a muscle contracts the other relaxes

61
Q

Can all living things reproduce

A

Yes

62
Q

How many types of reproduction are there and what are there names

A

2 types called asexual and sexual

63
Q

How many parents does each types of reproduction involve

A

Asexual involves 1 and sexual involves 2

64
Q

What is puberty

A

Puberty is the period during which adolescents reach sexual reproduction and become capable of reproduction

65
Q

What is adolescence

A

Physical and emotional change

66
Q

What is the difference between starch and glycogen

A

Starch is found in plants and glycogen is found in animals

67
Q

Where is starch found

A

In the leukoplast

68
Q

What is a specialised cell

A

It is a type of cell that performs a specific function in multicellular organisms

69
Q

How does the shape of the animal skin cell help it

A

It has a flare plate like shape which suits their function of covering and protecting the surface of the body

70
Q

What is it meant by muscles being in an antagonistic pair

A

When one part of the pair contracts the other relaxes

71
Q

What is cartilage

A

It is an oil to lubricate the joints

72
Q

What attaches muscle to bone

A

Tendons

73
Q

What attaches bone to bone in the skeleton

A

Ligament

74
Q

What are the 4 functions of a skeleton

A

Protection shape support and movement

75
Q

What are the three main types of joints

A

Ball and socket hinge and immovable

76
Q

What is the rhyme for remembering classification

A

Kings prefer Cotton over fancy green silks

77
Q

What does the rhyme stand for in classification

A

Kingdom phyla class order family genus species

78
Q

True or false the genus is alway a capitol letter and the species is always lower case

A

True

79
Q

What is DNA

A

The carrier of genetic information

80
Q

What are chromosomes made of

A

Lots of genes

81
Q

What part of the plant cell contains cellulose

A

The cell wall

82
Q

What is the difference between sexual and asexual reproduction

A

Sexual has two parents and asexual has one

83
Q

What is puberty

A

It is the period during which adolescents reach sexual maturity and are capable of reproduction

84
Q

What are the female gametes called

A

Ova or egg cells

85
Q

What is the thickened lining to the uterus called

A

Endometrium

86
Q

What changes happen to girls

A

Eggs are released breasts develop and hips widen

87
Q

What changes happen to boys

A

Penis enlarged voice deepens and facial hair grows

88
Q

What changes happen to both

A

May get spots hormones made growth spurts and pubic hair grows

89
Q

How long does the menstrual cycle last

A

around 28 days

90
Q

If the ovum is ………. It sticks to the lining to grow into a baby

A

Fertilised

91
Q

What does FSH stand for

A

Follicle stimulating hormone

92
Q

Where is the follicle stimulating hormone secreted

A

It is secreted by the pituitary gland

93
Q

What does FSH cause

A

A follicle to mature in an ovary

94
Q

What is oestrogen secreted by

A

The ovaries

95
Q

What may oestrogen cause if there is a certain level of it

A

It may cause a LH surge

96
Q

What is LH stand for

A

Luteinising hormone

97
Q

What is LH produced

A

It is produced by the pituitary gland

98
Q

What does LH cause

A

Ovulation

99
Q

Where is progesterone secreted

A

It is secreted by the ovaries

100
Q

What does progesterone maintain

A

The endometrium and this stays high during pregnancy

101
Q

Uterus is the biological word for what

A

Womb

102
Q

Why does the uterine wall become thick and spongy before the egg is released

A

In case the egg is fertilised and implanted in the endometrium

103
Q

What happens in the uterus if the egg is not fertilised

A

The endometrium is shed and the ovum leaves with it

104
Q

Which hormone causes the lining of the uterus to thicken

A

Oestrogen

105
Q

Which hormone helps maintain the lining of the uterus

A

Progesterone

106
Q

Which hormone stimulates cell release

A

FSH

107
Q

What hormone controls the production of the male gametes

A

LSH

108
Q

What does the vas deferens do

A

It takes mature sperm to the urethra

109
Q

What does the prostate gland secret

A

The fluid that nourishes and protects sperm

110
Q

Where are the testes held and why

A

They are held outside the body in the scrotum because sperm production works best at a temperature slightly below body temperature

111
Q

What happens to the testes when it is cold

A

The testes are pulled close to the body whereas if it is warm they hang low

112
Q

What is ejaculation

A

The ejection of sperm through the penis

113
Q

What is fertilisation

A

What the egg and the sperm nuclei fuse

114
Q

What is implantation

A

When the embryo sinks into the uterus lining

115
Q

What is ovulation

A

The release of an egg from the ovaries

116
Q

Where does fertilisation take place

A

In the Fallopian tubes

117
Q

The development period of the embryo is called the

A

Gestation period

118
Q

How long does the gestation period last

A

37 to 40 weeks

119
Q

Doe the umbilical vein carry oxygenated or deoxygenated blood to or from the baby

A

Oxygenated blood to the baby

120
Q

Doe the umbilical arteries carry oxygenated or deoxygenated blood to or from the baby

A

Deoxygenated blood from the baby back to the placenta

121
Q

What is another name for the placenta also known as

A

The afterbirth

122
Q

In what part of the reproductive system are ciliated cell found

A

On the Fallopian tubes

123
Q

Do the plants wat the soil

A

No they make there own energy using the sun

124
Q

What is the food make by photosynthesis

A

Sugar glucose

125
Q

Where does photosynthesis take place

A

In the chloroplasts which contains the green pigment chlorophyll

126
Q

Where is glucose stored

A

In starch grains

127
Q

Is CO2 necessary for photosynthesis to take place

A

Yes

128
Q

Is chlorophyll necessary for photosynthesis to take place

A

Yes

129
Q

Is light necessary for photosynthesis to take place

A

Yes

130
Q

How does broad flat leaves help photosynthesis

A

Larger surface area for absorbing light

131
Q

How do the wax cuticle help photosynethis

A

Protects leaf without stopping light

132
Q

How do chloroplasts help photosynethis

A

Contains chlorophyll to absorb energy and transfer to chemical

133
Q

How does the stomata help photosynthesis

A

Allows carbon dioxide to diffuse into leaf

134
Q

How do the air spaces help photosynthesis

A

Increase space for gas diffusion into cells

135
Q

What is synthesis

A

Glucose combines with minerals to make compounds

136
Q

How do plants use glucose

A

Synthesis storage respiration and cellulose

137
Q

How is glucose used in storage

A

It is turned into starch if not needed

138
Q

How is glucose used with respiration

A

It is used by all living things cells to release energy from glucose

139
Q

How is glucose used with cellulose

A

Hundreds of glucose join to make cellulose

140
Q

What is the wax cuticle

A

It helps prevent loss of water from evaporation

141
Q

What is the upper epidermis cell

A

These cells make produce the waxy cuticle and protect the leaf

142
Q

What are the air spaces

A

They allow the movement of gases

143
Q

What is the stomata

A

These are tiny holes in the lower epidermis

year 7 end of years (7 decks)

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