Brainscape's Knowledge GenomeTM

Browse over 1 million classes created by top students, professors, publishers, and experts.


See full index

Term 2 Form 4 > Science Respiration > Flashcards

Science Respiration Flashcards

1
Q

Describe diffusion and how it related to osmosis ?

A

Diffusion is when particles move from a high concentration area to a low concentration area, like sugar dissolving in water.

Osmosis is a type of diffusion where water moves through a semi-permeable membrane from a place with more water to a place with less water, like water entering a plant root.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

What solution is used to test for glucose and what is a positive result?
louis’s eggery sells. . .
louis goes ___________ ______ when you make him angry

A

Benedict’s solution
Brick-red.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

What 3 organelles are present in plant cells but not in animal cells?

A

Chloroplasts, cellulose cell wall and permanent vacuole

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

Name the 3 types of blood cells found in blood
what do you take out the dishwasher

A

Red blood cells, White blood cells and platelets

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

What is the name of the small sacks in lungs and what is its function?

A

Alveoli
It is where oxygen enters your bloodstream and where carbon dioxide exits your bloodstream

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

What’s the difference between a Prokaryotic cell and a Eukaryotic cell and give examples

A

A Prokaryotic cell has DNA strands but no nucleus such as bacteria
Eukaryotic cells have nucleuses like plants and animals

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

Define Osmosis

A

The movement of water from high water potential to low water potential through a semi permeable membrane

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

What are the 7 characteristics of living organisms? (mnemnomic)

A

Movement,
Reproduction,
Sensitivity,
Growth,
Respiration,
Excretion,
Nutrition

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

What is the word equation of aerobic respiration

A

Glucose + Oxygen -> Carbon dioxide + water + energy releases

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

Define respiration

A

The process where your body takes in oxygen and uses it to produce energy from food. It also releases carbon dioxide as a waste product when you breathe out.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

What is the difference between Isotonic, Hypertonic and Hypotonic?

A

Isotonic means the solution has the same osmotic strength as the cell, so water moves equally in and out.

Hypertonic means the solution has higher osmotic pressure, so water leaves the cell and it shrinks.

Hypotonic means the solution has lower osmotic pressure, so water enters the cell and it swells.

Hypotonic: Freshwater lakes are hypotonic to saltwater fish, so if saltwater fish are placed in freshwater, their cells can swell with excess

Isotonic means of the same osmotic strength,
Hypertonic means above the osmotic pressure and
Hypotonic means below the osmotic pressure

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

Which below causes the inhalation of lungs?

  • Diaphragm
  • Ribs
  • Heart
A

Diaphragm

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

Which part of the lungs is the vocal cords located in?

  • The Throat
  • The Oesophagus
  • The Larynx
A

The larynx

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

What solution tests for the presence of starch?

A

Iodine Solution

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q
  1. Which of the following is the correct order in order from least complex part to most complex part?
    A) Cells, organs, tissues, organ systems, organism
    B) Organs, cells, tissues, organism, organ systems
    C) Cells, tissues, organs, organ systems, organism
    D) Tissues, cells, organs, organ systems, organism
A

C) Cells, tissues, organs, organ systems, organism

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q
  1. Which of the following is the correct definition of the nucleus?
    A) The brains of the cell
    B) The control centre of the cell
    C) The powerhouse of the cell
    D) The site of photosynthesis
A

B) The control centre of the cell

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Q
  1. Which of the following requires energy?
    A) Active transport
    B) Osmosis
    C) Diffusion
    D) Gas exchange
A

A) Active transport

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
18
Q

What is missing?
cells—–>tissue—>______—–>organ systems—>organisms

A

Answer: Organs

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
19
Q

What’s the function of mitochondria?

A
  • Where respiration takes place.
  • Generate energy - the powerhouse of the cell.
  • An organelle

They are essential for keeping cells alive and functioning properly.

20
Q

What’s the function of cell membrane

A

The cell membrane controls the movement of substances in and out of the cell

21
Q

What is the role of the cell wall and where do you find them?

A

Found in plant cells.
Strengthens the cell and supports the plant as well as keeping its structure.

22
Q

How many separate chambers does the heart have?

A

Four

23
Q

Which 3 parts of the respiratory system are responsible for the transportation of blood?

A

Arteries
Veins
Capillaries

24
Q

What do veins do?

A

Carry DEoxygenated blood from the body to the heart,
The heart pumps to lungs to become REoxygenated

25
Q

What are the blood vessels that cover the alveoli called?

A

Capillaries

26
Q

Which organelle performs aerobic respiration?

A

Mitochondria

27
Q

What 2 gases are exchanged in the alveoli?

A

Carbon Dioxide (CO2) and Oxygen (O2)

28
Q

What organelle replaces a nucleus in bacteria?

Clue is nucleus

A

A nucleoid

29
Q

Which sequence is correct for blood circulation?
A. Heart → Vein → Arteries → Capillary Network Within an Organism → Heart

B.Heart → Vein → Capillary Network Within an Organism → Arteries → Heart

C. Heart → Arteries → Capillary Network Within an Organism → Vein → Heart

D. Heart → Arteries → Vein → Capillary Network Within an Organism → Heart

A

C. Heart → Arteries → Capillary Network Within an Organism → Vein → Heart

30
Q

What is the function of the ribosome?

Hint Ribs

A

Responsible for making protein

31
Q

5: Which acronym can be used to remember the 7 processes that all living organisms can do?
MR GREEN
MRS GREN
DR GREEN
MS GRENS

A

MRS GREN:
Movement
Respiration
Sensitivity
Growth
Reproduction
Excretion
Nutrition

32
Q

Define active transportation?

A

The movement of particles from an area of low concentration to an area of high concentration using energy.

33
Q

What is the difference between veins and arteries?

A
  • Arteries carry oxygenated blood AWAY from the heart
  • Veins carry deoxygenated blood TO the heart.
34
Q

What is the role of the alveoli in the lungs?

A

Gas exchange in the lungs
Oxygen diffuses/absorbed into the blood.

35
Q

What is function the chloroplast in plant cells?

A
  • Carry out photosynthesis
  • Convert light energy into chemical energy
  • Organelles found only in plant cells
36
Q

Which of the following processes require energy to function?

  • Diffusion
  • Osmosis
  • Active transport
A

Active transport

37
Q

How efficient is respiration?
20%
30%
40%
50%

A

40%

38
Q

What are the role of veins in the human body?

A

Take blood from organs TO the heart.

39
Q

What are capillaries?

A
  • Tiny vessels with thin walls.
  • Smallest blood vessels in the vascular system.
  • They deliver oxygen and nutrients to cells and removing carbon dioxide
40
Q

Explain active transportation ?

A

Active transport moves molecules against the concentration gradient and requires energy

41
Q

Name the two passive transports.

A

Osmosis and Diffusion

42
Q

What is the function of alveoli?

A

Where the lungs and blood exchange oxygen and carbon dioxide while breathing in and out.

43
Q

What is the difference between arteries and veins?

A
  • Arteries flow oxygentated blood AWAY from the heart
  • Veins bring deoxygenated blood BACK TO the heart
44
Q

What is the function of the circulatory system?

A

To move nutrients and oxygen around the body and remove carbon dioxide

45
Q

In breathing / inhaling what happens to the diaphragm

A

The diaphragm flattens expanding the volume and sucking air in to the lungs

46
Q

Name the process that oxygen moves from the lung (aveoli) to red blood cells?

A

Diffusion

Term 2 Form 4 (9 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2024 Bold Learning Solutions. Terms and Conditions