CIE IG Biology Respiration - key concepts review

CIE IG Biology Respiration - key concepts review

A review of the key concepts and objectives in Unit 12 Respiration.

Poll

How do you think you performed in the EOU test?

• Really well

• Ok

• Not too bad

• Terrible!

12.1

• State the uses of energy in the body of humans: muscle contraction, protein synthesis, cell division, active transport, growth, the passage of nerve impulses and the maintenance of a constant body temperature 

• State that respiration involves the action of enzymes in cells

Multiple Choice

____________________ is the storage of energy

• Chemical Energy

• Potential Energy

• Mechanical Energy

• Kinetic Energy

Multiple Choice

Which of these types of energy are examples of Kinetic energy?

• Mechanical, Thermal

• Elastic, Gravitational

• Electrical, Chemical

• Nuclear, Thermal

Multiple Choice

What is an energy transformation that takes place during DIGESTION?

• chemical --> mechanical

• thermal --> radiant light

• radiant light --> mechanical

• chemical --> radiant light

Multiple Choice

Which of the following transforms mechanical energy into thermal energy? 

• A windmill 
• Kicking a soccer ball 
• Placing hands over a lightbulb
• Rubbing your hands together

Multiple Choice

Which of the following organisms transforms radiant light energy into stored chemical potential energy?

• Bird

• Dog

• Flower

• Spider

Energy is essential for life processes.

Respiration needs Enzymes

Respiration is a complex multi-step chemical reaction catalysts by a series of enzymes.

Multiple Choice

Which of the following is NOT a product of cellular respiration?

• Water

• Carbon Dioxide

• Energy in the form of ATP

• Glucose

Multiple Choice

True or False: Only heterotrophs need to perform cellular respiration.

• True

• False

Multiple Choice

Which of the following is a reactant of cellular respiration?

• Oxygen

• Carbon Dioxide

• Glucose

• Glucose and Oxygen

Multiple Choice

When we say a process requires oxygen, we call it what?

• Anaerobic

• Aerobic

• Oxyphillic

• Oxygenphilia

Multiple Choice

Respiration takes place in which cell organelle?

• Nucleus

• Ribosome

• Mitochondria

• Chloroplast

12.2

• Define aerobic respiration as the chemical reactions in cells that use oxygen to break down nutrient molecules to release energy 

  
  

  State the word equation and the balanced chemical equation for aerobic respiration.

Whatever you do... learn this equation!

12.2

• Investigate the effect of temperature on the rate of respiration of germinating seeds

• Investigate the uptake of oxygen by respiring organisms, such as arthropods and germinating seeds

A simple respirometer

Multiple Choice

What is the purpose of soda lime?

• To add oxygen for respiration

• To absorb carbon dioxide

• To absorb oxygen

• To provide nutrients

Multiple Choice

How will the rate be determined?

• Volume of the cylinder times the time taken.

• Add the distance moved to the mass of soda lime.

• Divide distance moved by time.

• Square root of the distance over time.

Multiple Choice

What is this piece of equipment called?

• Gas syringe

• Burette

• Respirometer

• Potometer

12.3 Anaerobic respiration

• Define anaerobic respiration

• State the word equations for anaerobic respiration in muscles during vigorous exercise and

  the microorganism yeast

• State that anaerobic respiration releases much less energy per glucose molecule

Lactate Pathway

In animals during vigorous exercise

Glucose --> Lactic Acid

Fermentation pathway

In microorganisms like yeast

Glucose --> alcohol + carbon dioxide

Multiple Choice

After intense activity, your muscles feel sore because of 

• the accumulation of NAD+
• the accumulation of lactic acid 
• the accumulation of ATP
• the accumulation of carbon dioxide

Multiple Choice

How are lactic acid and alcoholic fermentation similar?

• They have the same products
• They have the same reactants
• They both require oxygen
• They occur in the same organisms

Multiple Choice

The process carried out by yeast that causes bread to rise is

• alcoholic fermentation
• lactic acid fermentation
• cellular respiration
• yeast mitosis

Multiple Choice

When animals exercise with a lack of oxygen their muscles can form

• lactic acid
• alcohol
• minions
• oxygen

Multiple Choice

Fermentation occurs in the cell's 

• cytoplasm
• nucleus
• cell membrane
• cristae

Multiple Choice

What type of respiration does not require oxygen?

• Aerobic
• Anaerobic

Multiple Choice

What happens to your pulse when you exercise?

• It increases
• It decreases
• It stays the same

Multiple Choice

What happens to your breathing rate when you exercise?

• It increases
• It decreases
• It stays the same

Multiple Choice

What is the waste energy from respiration given off as?

• Heat
• Light
• Sound
• Kinetic

Multiple Choice

Which organ breaks down lactic acid?

• Liver
• Lung
• Heart
• Bladder

Multiple Choice

Which organ excretes carbon dioxide?

• Lungs
• Liver
• Heart
• Kidney

Multiple Choice

Where in the cell does aerobic respiration take place?

• Nucleus
• Cytoplasm
• Mitochondria
• Cell membrane

Multiple Choice

Which type of respiration is most efficient?

• Aerobic
• Anaerobic

Multiple Choice

What are the products of aerobic respiration?

• Glucose and oxygen
• Carbon dioxide and water
• Lactic acid
• Carbon monoxide

Multiple Choice

Which of the following is true about anaerobic respiration?

• It is a fast process
• It allows organisms to live in places with little oxygen
• It evolved before aerobic respiration
• all of the above

Multiple Choice

Why is yeast used to bake bread? 

• The waste gas, CO_2, makes bread rise
• The alcohol produced makes bread dangerous
• The yeast consumes O₂, causing bread to rise

Multiple Choice

The energy needed to win a 1-minute footrace is produced mostly by

• lactic acid fermentation
• cellular respiration
• using up store of ATP
• breaking down fats

Multiple Choice

What cells in the body may undergo lactic acid fermentation during exercise?

• Muscle cells

• Fat cells

• Liver cells

• Skin cells

Multiple Choice

What cells in the body may undergo lactic acid fermentation during exercise?

• Muscle cells

• Fat cells

• Liver cells

• Skin cells