Biology

Question 1

Variation is

Answer 1

differences between organisms

Question 2

Continuous variation is

Answer 2

environment-controlled variation

Question 3

Discontinuous variation is

Answer 3

DNA controlled variation

Question 4

A DNA extraction fluid is made out of

Answer 4

Detergent, salt and water

Question 5

Respiration is

Answer 5

a chemical reaction that produces energy

Question 6

Glucose is produced by

Answer 6

Photosynthesis/ digestion of food

Question 7

In which cell does respiration not occur?

Answer 7

Red blood cells

Question 8

The level of respiration is affected by

Answer 8

level of activity and need for energy

Question 9

The average resting heart rate is

Answer 9

60-80

Question 10

Heart rate increases to provide

Answer 10

more blood flow to muscles

Question 11

The body loses heat by

Answer 11

sweating, making blood vessels dilate

Question 12

What is created when muscles do not get enough oxygen?

Answer 12

an oxygen debt

Question 13

Increased oxygen intake removes

Answer 13

lactic acid

Question 14

Recovery time is how long it takes

Answer 14

for the heart rate to calm down

Question 15

The _____ affects recovery time

Answer 15

fitness level

Question 16

The brain benefits from

Answer 16

increased oxygen levels

Question 17

During exercise, digestion

Answer 17

slows

Question 18

Lactic acid is a _______ that causes ______ and builds up in the _______

Answer 18

poison, cramp, fatigue, muscles

Question 19

Anaerobic respiration in yeast produces

Answer 19

CO2 and ethanol

Question 20

Intercostal muscles

Answer 20

move the ribs

Question 21

The diaphragm moves

Answer 21

up and down

Question 22

Some cells in the trachea, bronchius and bronchioles produce

Answer 22

mucus

Question 23

Cells have hairs called _____ which move _____

Answer 23

cilia, mucus

Question 24

Oxygen leaves the _____ and dissolves into the _____

Answer 24

blood cell, plasma

Question 25

Tar and dust stick to the ______ causing ______

Answer 25

alveoli, emphysema

Question 26

Plasma has

Answer 26

Glucose and necessary nutrients

Question 27

lipids are

Answer 27

fats and oils

Question 28

the ball of food is pushed down the throat in a movment known as

Answer 28

perstalsis

Question 29

bile is stored in the _____ and used by the ______

Answer 29

gall bladder, small intestine

Question 30

enzymes are ______, meaning they only accept certain molecules

Answer 30

specific

Question 31

amylase breaks down

Answer 31

starch

Question 32

protease breaks down

Answer 32

protien

Question 33

lipase breaks down

Answer 33

lipids

Question 34

enzymes remove

Answer 34

food stains and leather toughness

Question 35

the heirarchy of kingdoms is

Answer 35

Kingdom, Phylum, Class, Order, Family, Genus, Species

Question 36

deppressants ______ your immune system

Answer 36

slow

Question 37

tendons attach

Answer 37

muscle to bonel

Question 38

ligaments attach

Answer 38

bone to bone

Question 39

smooth muscle is

Answer 39

not attached to bone

Question 40

muscle found in the heart is

Answer 40

cardiac muscle

Question 41

skeletal muscle is

Answer 41

attached to bone

Question 42

fungi cause infections

Answer 42

on the skin

Question 43

the male plant reproductive organs, known as _______, are

Answer 43

stamen, anther, filament

Question 44

the female plant reproductive organs, known as _______, are

Answer 44

carpel, stigma, style, ovary, ovule

Question 45

a _____ forms around the seed

Answer 45

seed coat

Question 46

a fertilised egg cell is called a

Answer 46

zygote

Question 47

germenation needs

Answer 47

oxygen, water, warmth, light

Question 48

seeds are passed out in

Answer 48

faeces