Biology Test Michaelmas Year 7

Question 1

Mrs Grenc =

Answer 1

Movement respiration sensitivity growth reproduction excretion nutrition control

Question 2

Magnification of eyepiece lens: x10 objective lens x40

Answer 2

x400

Question 3

What is 1m in micrometers

Answer 3

1,000,000 micrometers

Question 4

What are all living organisms made of

Answer 4

Cells

Question 5

What’s the name given to organisms of only one cell

Answer 5

Unicellular

Question 6

Multicellular

Answer 6

Organisms made of large numbers of cells

Question 7

How long are animal cells

Answer 7

Between 10 micrometers and 100 micrometers in diameter

Question 8

Contains DNA and controls activities of the cell

Answer 8

Nucleus

Question 9

Cytoplasm

Answer 9

Where chemical reactions occur

Question 10

Controls what goes in and out of the cell

Answer 10

Cell membrane

Question 11

Makes proteins

Answer 11

Ribosomes

Question 12

Where respiration occurs when energy is released from glucose

Answer 12

Mitochondria

Question 13

Animal cells may have small granules of

Answer 13

Glycogen

Question 14

Plant cells and animal cells both have:

Answer 14

Mitochondria, cell membrane, nucleus, ribosomes, cytoplasm

Question 15

Plant cells are (larger/smaller) than animal cells, have a box like structure and have some extra parts

Answer 15

Larger

Question 16

A ______ _______ is outside the cell membrane, which is made of ______. This is strong and prevents cell from ________ if the cell gains lots of water.

Answer 16

Cell wall, cellulose, bursting

Question 17

Permanent vacuole

Answer 17

Contains a dilute solution of sap and stores waste substances.

Question 18

Chloroplasts

Answer 18

Contains chlorophyll
Needed for photosynthesis
Has green colour
Makes Glucose which can be stored as starch if there is too much.

Question 19

Sperm cell function
Sperm cell structure

Answer 19

Fertilises the egg
-tail to help swim
-lots of mitochondria for energy

Question 20

Egg cell function
Structure

Answer 20

To be fertilised and provide nutrition for embryos
-large ytoplasm (food)
-lots of mitochondria

Question 21

Ciliated epithelial cell function
Structure

Answer 21

To carry dust and bacteria through airway
-tiny hairs in the cilia

Question 22

Nerve cell function
Structure

Answer 22

Carries messages (impulses) around the body
-long thin shape

Question 23

Small intestine cell function
Structure

Answer 23

Absorbs small food molecules
-have microvilli for large surface area for absorption

Question 24

Red blood cell function
Structure

Answer 24

Carries O2 in blood
-has haemogoblin to stick oxygen molecules
-no nucleus to allow more room for more oxygen
-small

Question 25

Name 10 organs

Answer 25

E.g. Brain, trachea, œsophages, lungs, heart, muscles, bone, liver, stomach large intestine, small intestine, rectum, bladder, appendix, pancreas, anus.

Question 26

Smallest to largest Ecosystem, organ systems, tissues, cells, organelle, communities, organisms, populations, organs, biosphere

Answer 26

Organelle, cells, tissues, organs, organ systems, organisms, communities, ecosystems, populations, biosphere

Question 27

Roots

Answer 27

Keep plant anchored in soil and obtain water for photosynthesis

Question 28

Needed to stop plant from wilting so can catch more sunlight for photosynthesis

Answer 28

Water

Question 29

Transported in water and some are needed to make protein

Answer 29

Minerals

Question 30

Used for bringing nutrients from the root, up the stem and to the leaf

Answer 30

Xylem cells

Question 31

Pores in the leaf called _________ which allow ___________ from the air in for photosynthesis

Answer 31

Stomata, CO2

Question 32

Many of these in palisade cells used to trap sunlight for photosynthesis

Answer 32

Chloroplasts

Question 33

Diet

Answer 33

The food we eat/drink day-day

Question 34

Balanced diet

Answer 34

A diet that gives us all the nutrients we need in the correct proportions

Question 35

What molecules do we get from the breakdown of food, that we use in respiration

Answer 35

Glucose

Question 36

Glucose

Answer 36

Small carbohydrate that releases energy quickly

Question 37

Starch

Answer 37

A large carbohydrate that releases energy slowly

Question 38

For glucose, n/light blue p/brick red

Answer 38

Benedict’s test

Question 39

For starch, n/ yellow-brown, p/ blue-black

Answer 39

Iodine

Question 40

For protein, n/light blue, p/lilac

Answer 40

Biuret

Question 41

Respirations équation

Answer 41

Oxygen + Glucose —> Carbon Dioxide + Water

Question 42

SPLOD

Answer 42

Size Pencil Labels Outline Detail