Building blocks of life

Question 1

All living things are made up of ….

Answer 1

Cells

Question 2

unicellular means

Answer 2

a single celled organism such as bacteria

Question 3

multicellular means

Answer 3

an organism made up of more than one cell….such as animlas or plants

Question 4

Chloroplast

Answer 4

a part of the plant cell where photosynthesis takes place

Question 5

chlorophyll

Answer 5

contained in the chloroplasts and makes them green

Question 6

cytoplasm

Answer 6

the fluid inside the plant and animal cell

Question 7

Membrane

Answer 7

The outer edge of an animal cell

The second layer of a plant cell (inside the cell wall)

Question 8

Nucleus

Answer 8

Found in both plant and animal cells and contains the DNA of the organism

Question 9

mitochondria

Answer 9

found in both plant and animals cells and is powerstation of each cell

Question 10

Vacuole

Answer 10

found in both plant and animals cells but much bigger in plant cells

Question 11

what is respiration?

Answer 11

respiration is when cells burn sugar to make energy releasing carbon dioxide

Question 12

What is photosynthesis ?

Answer 12

Occurs in plant cells which take carbon dioxide and sunlight and turn it into sugars.

occurs in the chloroplasts

Question 13

name the following parts of a compound light microscope

Answer 13

Question 14

organelle

Answer 14

specialized structures within a living cell.

such as

• the mitochondria
• chloroplast
• nucleus

Question 15

asexual

Answer 15

A process where one cell divides to produce two identical cells

Question 16

reproduction

Answer 16

The process were new cells are made .

Question 17

cellular division

Answer 17

The process were cell make new cells. Can be asexual or sexual divison

Question 18

Measurement

(mm) and (µm) are both used in measurement, what do they stand for?

how many of each occur in a metre

Answer 18

(mm) millimetre 1000

(µm) micrometre 1000 000

Question 19

Name three differences between a plant cell and animal cell

Answer 19

1. plant cells have a cell wall
2. plant cells have chloroplasts and produce sugars through photosynethesis
3. palnt cells often have large vacuoles

Question 20

Name three similarities between plant and animlas cells

Answer 20

1. both have nuclui
2. both have cell membranes
3. both have mitochondria

Question 21

Who when looking down a simple microscope labelled the “small rooms’ he viewed as “Cells”

Answer 21

Robert Hooke

Question 22

What improvements were made to optical microscopes in the middle of the 19th century? and 20th century

Answer 22

1. by using blue light
2. specialist dyes to stain tissue
3. lens manufacture

Question 23

what is word equation for cellular respiration?

Answer 23

glucose (sugar)+ oxygen– — water+ carbon dioxide + energy

Question 24

What organisms do not have a nucleus?

Answer 24

1. Bacteria
2. cyanobacteria

Question 25

Outline the steps to prepare a wet mount.

Answer 25

1. place tissue on the slide and cover with 2-3 drops of distilled water. 2. coverslip is lowered on tissue 3. a drop stain added to one ned of slide 4. using filter paper stain in drawn over the slide.

Question 26

What is cellular respiration

Answer 26

When chemical energy in food is turned into power for various processes in our bodies. It occurs in the mitochondria.

Question 27

List some advantages of using **_modelling_**

Answer 27

1. helps us understand and remember 2. Makes thinking visible 3. use familar things to represent new things 4. simplifies things 5. kinesthetic learning

Question 28

What is the order of the following terms tissues , body systems, cells, multicullar organisms, organs

Answer 28

Cells , tissues, organs, body systems, multicelluar organisms

Question 29

Name three types of tissues?

Answer 29

1. heart tissue 2. muscle tissue 3. brain tissue

Question 30

Nmae three types of body systems?

Answer 30

1. respiratory systems (lungs, throat etc) 2. circulartory system (heart, veins, blood) 3. digestive systems (stomach, intestines etc)

Question 31

Outline the structure of a root

Answer 31

root cap on the very tip root hairs on the outside

Question 32

Name two parts of plants stem?

Answer 32

1. Phloem - sugars 2. xylem - water For the movement of sugars and water

Question 33

Name as many parts of a flower as you can

Answer 33