All of the definitions below are descriptions of a 'limiting factor'. Which of these is the IGCSE Biology definition ?

something present in the environment in such short supply that it restricts life processes

a factor in the environment that runs out

a factor in the environment that is in short supply

something present in the environment in such short supply that it stops life processes

Supplying extra heat and carbon dioxide is more expensive, but may be worth it if the rate of photosynthesis greatly increases. Click on the graph to make it larger. Which of the following would it not be worth doing for a plant grower?

increasing the temperature from 20 o C to 25oC at a CO 2 concentration of 0.03%

increasing the CO 2 from 0.03% to 0.1% at a temperature of 20 o C.

increasing the CO 2 from 0.03% to 0.1% at a temperature of 25 o C.

increasing the temperature from 20 o C to 25oC at a CO 2 concentration of 0.1%

Why is the chemical sodium hydrogencarbonate given to water plants in photosynthesis practicals?

it supplies the plant with CO 2 gas when it dissolves

it is used to produce chlorophyll

All of the statements below are correct definitions of photosynthesis. Which of these is the IGCSE Biology definition of photosynthesis?

the process by which plants produce carbohydrates from raw materials using light energy

the process that produces glucose and oxygen, using CO 2 , water, light and chlorophyll

the process that converts light energy into chemical energy

the process that converts inorganic compounds into organic compounds

IGCSE Biology Photosynthesis

Authored by Mark Cole

Biology

9th - 10th Grade

NGSS covered

Used 289+ times

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MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Which of the following shows the balanced chemical symbol equation for photosynthesis?

Tags

NGSS.HS-LS1-5

NGSS.HS-LS2-5

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

What is the main energy change that happens in photosynthesis?

chemical --> light

light --> kinetic

light --> chemical

kinetic --> light

Tags

NGSS.HS-LS1-5

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Where is chlorophyll found in plant cells?

cytoplasm

chloroplast

mitochondria

vacuole

Tags

NGSS.MS-LS1-2

NGSS.MS-LS1-6

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

What substance can glucose be converted to, which is the transport carbohydrate of plants?

starch

cellulose

sucrose

amino acids

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

What substance can glucose be converted into, which is the energy storage carbohydrate of plants?

cellulose

sucrose

amino acids

starch

Tags

NGSS.HS-LS1-6

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Which substance can glucose be converted to, which strengthens plant cell walls?

starch

cellulose

amino acids

sucrose

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Which of the following organelles would you not expect to be present in onion root cells?

cell wall

vacuole

chloroplast

mitochondrion

Tags

NGSS.MS-LS1-2

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IGCSE Biology Photosynthesis

Which of the following shows the balanced chemical symbol equation for photosynthesis?

What is the main energy change that happens in photosynthesis?

Where is chlorophyll found in plant cells?

What substance can glucose be converted to, which is the transport carbohydrate of plants?

What substance can glucose be converted into, which is the energy storage carbohydrate of plants?

Which substance can glucose be converted to, which strengthens plant cell walls?

Which of the following organelles would you not expect to be present in onion root cells?

All of the definitions below are descriptions of a 'limiting factor'.

Which of these is the IGCSE Biology definition?

Click on the picture to make it larger.

Which of the following can you conclude about point X from this graph alone?

I. light intensity limits the rate of photosynthesis
II. as light intensity increases, rate of photosynthesis increases
III. CO₂ concentration limits the rate of photosynthesis

Click on the picture to make it larger.

Which of the following can you conclude about point Y from this graph?

I. light intensity does not limit the rate of photosynthesis
II. the plant has stopped photosynthesising
III. the rate of photosynthesis could be limited by a shortage of water or CO₂

Access all questions and much more by creating a free account

Popular Resources on Wayground

Discover more resources for Biology

IGCSE Biology Photosynthesis

Which of the following shows the balanced chemical symbol equation for photosynthesis?

What is the main energy change that happens in photosynthesis?

Where is chlorophyll found in plant cells?

What substance can glucose be converted to, which is the transport carbohydrate of plants?

What substance can glucose be converted into, which is the energy storage carbohydrate of plants?

Which substance can glucose be converted to, which strengthens plant cell walls?

Which of the following organelles would you not expect to be present in onion root cells?

All of the definitions below are descriptions of a 'limiting factor'.Which of these is the IGCSE Biology definition?

Click on the picture to make it larger.Which of the following can you conclude about point X from this graph alone?I. light intensity limits the rate of photosynthesisII. as light intensity increases, rate of photosynthesis increasesIII. CO2 concentration limits the rate of photosynthesis

Click on the picture to make it larger.Which of the following can you conclude about point Y from this graph?I. light intensity does not limit the rate of photosynthesisII. the plant has stopped photosynthesisingIII. the rate of photosynthesis could be limited by a shortage of water or CO2

Access all questions and much more by creating a free account

Popular Resources on Wayground

Discover more resources for Biology

All of the definitions below are descriptions of a 'limiting factor'.

Which of these is the IGCSE Biology definition?

Click on the picture to make it larger.

Which of the following can you conclude about point X from this graph alone?

I. light intensity limits the rate of photosynthesis
II. as light intensity increases, rate of photosynthesis increases
III. CO₂ concentration limits the rate of photosynthesis

Click on the picture to make it larger.

Which of the following can you conclude about point Y from this graph?

I. light intensity does not limit the rate of photosynthesis
II. the plant has stopped photosynthesising
III. the rate of photosynthesis could be limited by a shortage of water or CO₂