Transpiration — Paper 1 · IGCSE Science - Combined 0653

4 The drawing shows a plant in a container of water. There is a layer of oil on top of the water that stops the water evaporating. The apparatus weighs 300 g. After two hours it weighs 296 g. oil water What is the rate of transpiration? A 150 g water / hour B 148 g water / hour C 4 g water / hour D 2 g water / hour

1 marks

Answer: D

This question in 0653/11 Oct/Nov 2005

3 The diagram shows the pathway taken by water as it passes through a plant. Q R P In which state is the water at positions P, Q and R? P Q R A liquid liquid liquid B liquid liquid vapour C liquid vapour vapour D vapour vapour vapour

1 marks

Answer: B

This question in 0653/11 Oct/Nov 2006

8 Water moves through the stomata of leaves during transpiration. In which direction, and in which form, does it move? direction form A into the leaf liquid B into the leaf vapour C out of the leaf liquid D out of the leaf vapour

1 marks

Answer: D

This question in 0653/11 May/June 2007

5 The diagram shows a section through a leaf. Where does evaporation of water take place? C B D A

1 marks

Answer: B

This question in 0653/11 May/June 2009

8 The diagram shows a section through a leaf. 1 2 3 Which part brings water to the leaf and through which part does water leave the leaf? brings water water leaves A 1 2 B 1 3 C 2 1 D 3 1

1 marks

Answer: B

This question in 0653/11 May/June 2010

4 The diagram shows a section through a leaf. 1 2 3 Which part brings water to the leaf and through which part does water leave the leaf? brings water water leaves A 1 2 B 1 3 C 2 1 D 3 1

1 marks

Answer: B

This question in 0653/12 May/June 2010

4 The diagram shows a section through a leaf. 1 2 3 Which part brings water to the leaf and through which part does water leave the leaf? brings water water leaves A 1 2 B 1 3 C 2 1 D 3 1

1 marks

Answer: B

This question in 0653/13 May/June 2010

8 The diagram shows a section through a leaf. The arrows show water movement. Where does the water evaporate? A B C D

1 marks

Answer: D

This question in 0653/11 Oct/Nov 2010

6 The diagram shows a section through a leaf. The arrows show water movement. Where does the water evaporate? A B C D

1 marks

Answer: D

This question in 0653/12 Oct/Nov 2010

7 The diagram shows a section through a leaf. The arrows show water movement. Where does the water evaporate? A B C D

1 marks

Answer: D

This question in 0653/13 Oct/Nov 2010

8 In which state does water enter and which state does water leave a plant? enters leaves A liquid liquid B liquid vapour C vapour liquid D vapour vapour

1 marks

Answer: B

This question in 0653/12 May/June 2012

8 In which state does water enter and which state does water leave a plant? enters leaves A liquid liquid B liquid vapour C vapour liquid D vapour vapour

1 marks

Answer: B

This question in 0653/13 May/June 2012

7 In what form is water as it enters and is lost from a plant? as it enters as it is lost A liquid liquid B liquid vapour C vapour liquid D vapour vapour

1 marks

Answer: B

This question in 0653/13 May/June 2013

8 The diagram shows an apparatus that was used to measure the uptake of water by a leafy shoot. leafy shoot absorbing water tap closed capillary water millimetre air bubble tube scale What will happen to the air bubble during the measurement? A It will get larger. B It will get smaller. C It will move to the left. D It will move to the right.

1 marks

Answer: C

This question in 0653/13 Oct/Nov 2013

6 In which physical state is water when it is absorbed and when it is lost by a plant? absorbed lost A liquid liquid B liquid vapour C vapour liquid D vapour vapour

1 marks

Answer: B

This question in 0653/11 May/June 2014

7 In which physical state is water when it is absorbed and when it is lost by a plant? absorbed lost A liquid liquid B liquid vapour C vapour liquid D vapour vapour

1 marks

Answer: B

This question in 0653/12 May/June 2014

7 In which physical state is water when it is absorbed and when it is lost by a plant? absorbed lost A liquid liquid B liquid vapour C vapour liquid D vapour vapour

1 marks

Answer: B

This question in 0653/13 May/June 2014

6 The diagram shows a section through a leaf. 2 3 1 Which part brings water to the leaf and through which part does water leave? brings water water leaves A 1 2 B 1 3 C 2 1 D 3 1

1 marks

Answer: C

This question in 0653/11 Oct/Nov 2014

7 The diagram shows a section through a leaf. 2 3 1 Which part brings water to the leaf and through which part does water leave? brings water water leaves A 1 2 B 1 3 C 2 1 D 3 1

1 marks

Answer: C

This question in 0653/12 Oct/Nov 2014

7 A tree has lost most of its leaves. How does this affect the rate at which water is taken up by the trees? A Water uptake decreases but does not stop. B Water uptake increases. C Water uptake remains the same. D Water uptake stops.

1 marks

Answer: A

This question in 0653/11 May/June 2015

6 In transpiration, most of the water evaporates at the surface of which part of a leaf? A epidermis B guard cells C mesophyll D xylem

1 marks

Answer: C

This question in 0653/12 May/June 2015

6 Which graph shows how atmospheric humidity affects the rate of transpiration of a green plant? A B rate of rate of transpiration transpiration 0 0 humidity humidity C D rate of rate of transpiration transpiration 0 0 humidity humidity

1 marks

Answer: C

This question in 0653/11 Oct/Nov 2015

6 The diagram shows a plant in a container of water. The layer of oil stops the water in the container evaporating. oil container water The initial mass of the container and contents is 296 g. After two hours the mass of the container and contents is 292 g. What is the rate of transpiration in this time? A 150 g water / hour B 148 g water / hour C 4 g water / hour D 2 g water / hour

1 marks

Answer: D

This question in 0653/11 Oct/Nov 2016

5 The diagram shows a plant in a container of water. The layer of oil stops the water in the container evaporating. oil container water The initial mass of the container and contents is 296 g. After two hours the mass of the container and contents is 292 g. What is the rate of transpiration in this time? A 150 g water / hour B 148 g water / hour C 4 g water / hour D 2 g water / hour

1 marks

Answer: D

This question in 0653/12 Oct/Nov 2016

7 The diagram shows a plant in a container of water. The layer of oil stops the water in the container evaporating. oil container water The initial mass of the container and contents is 296 g. After two hours the mass of the container and contents is 292 g. What is the rate of transpiration in this time? A 150 g water / hour B 148 g water / hour C 4 g water / hour D 2 g water / hour

1 marks

Answer: D

This question in 0653/13 Oct/Nov 2016

6 Which statement describes transpiration? A evaporation of water from leaf mesophyll cells B intake of water from the atmosphere through the stomata C transport of water through xylem tissue to the leaves D uptake of water by root hairs in the soil

1 marks

Answer: A

This question in 0653/12 Feb/March 2017

6 During transpiration, from which part of a leaf does evaporation of water occur? A cuticle B mesophyll cells C stomata D xylem

1 marks

Answer: B

This question in 0653/11 May/June 2017

6 What is transpiration? A absorption of water by root hair cells B evaporation of water at the surfaces of mesophyll cells C loss of water vapour from the roots of plants D transport of food substances in the phloem

1 marks

Answer: B

This question in 0653/12 May/June 2017

6 What is transpiration? A absorption of water by root hair cells B evaporation of water at the surfaces of mesophyll cells C loss of water vapour from the roots of plants D transport of food substances in the phloem

1 marks

Answer: B

This question in 0653/13 May/June 2017

6 Which row shows the effects of increasing humidity, light intensity and temperature on the rate of transpiration in a plant? increasing increasing increasing humidity light intensity temperature A rate decreases rate decreases rate decreases B rate decreases rate increases rate increases C rate increases rate decreases rate increases D rate increases rate increases rate decreases

1 marks

Answer: B

This question in 0653/13 Oct/Nov 2017

5 The diagram shows a section through a leaf. 1 2 3 Where does carbon dioxide enter the leaf and where does water leave? carbon dioxide water leaves enters A 1 2 B 1 3 C 3 1 D 3 3

1 marks

Answer: D

This question in 0653/12 Feb/March 2018

7 The graph shows the rate of water loss from a plant during daylight hours. X rate of water loss / g per hour Y 0 0 time / hours What could cause the change in the rate of water loss between point X and point Y? A The air becomes cooler. B The air becomes drier. C The day becomes sunnier. D The stomata open wider.

1 marks

Answer: A

This question in 0653/12 Feb/March 2018

6 The diagram shows a plant in a controlled environment. controlled environment The list gives three ways in which the environment can be altered. 1 humidity increased 2 __ light intensity increased 3 temperature increased Which changes will cause an increase in the rate of transpiration of the plant?

1 marks

Answer: D

This question in 0653/11 May/June 2018

6 The diagram shows a section through a leaf. Where does water enter the leaf? A B C D

1 marks

Answer: B

This question in 0653/12 May/June 2018

6 The diagram shows a section through a leaf. Where does water enter the leaf? A B C D

1 marks

Answer: B

This question in 0653/13 May/June 2018

5 Transpiration involves the diffusion of water vapour from which part of a leaf? A chloroplast B cuticle C phloem D stomata

1 marks

Answer: D

This question in 0653/13 Oct/Nov 2018

6 Which conditions cause the lowest rate of transpiration? humidity temperature A high high B high low C low high D low low

1 marks

Answer: B

This question in 0653/13 May/June 2021

7 The diagram shows a plant in a container of water. The layer of oil stops the water in the container from evaporating. oil container water The initial mass of the container and its contents is 296 g. After two hours, the mass of the container and its contents is 292 g. What is the rate of transpiration in this time? A 148 g of water per hour B 146 g of water per hour C 4 g of water per hour D 2 g of water per hour

1 marks

Answer: D

This question in 0653/12 Feb/March 2022

6 Which row shows the effects of increasing humidity and temperature on the rate of transpiration of a plant? increasing increasing humidity temperature A decreases increases B decreases decreases C increases decreases D increases increases

1 marks

Answer: A

This question in 0653/13 May/June 2023

7 By which process does water vapour move out of plant leaves through stomata? A diffusion B evaporation C osmosis D respiration

1 marks

Answer: A

This question in 0653/11 Oct/Nov 2023

6 The apparatus shown can be used to measure the rate of transpiration. leafy shoot 1 2 air bubble 3 4 centimetre scale 5 6 7 capillary tube 8 9 10 water Four identical sets of apparatus were set up under different environmental conditions and left for 1 hour. In all four apparatus, the air bubble was at the 5.0 cm point at the start of the experiment. What would be the reading on the scale of the apparatus that was left in low humidity and high temperature? A 1.5 cm B 5.0 cm C 7.0 cm D 9.5 cm

1 marks

Answer: A

This question in 0653/12 Oct/Nov 2023

6 The apparatus shown can be used to measure the rate of transpiration. leafy shoot 1 2 air bubble 3 4 centimetre scale 5 6 7 capillary tube 8 9 10 water Four identical sets of apparatus were set up under different environmental conditions and left for 1 hour. In all four apparatus, the air bubble was at the 5.0 cm point at the start of the experiment. What would be the reading on the scale of the apparatus that was left in low humidity and high temperature? A 1.5 cm B 5.0 cm C 7.0 cm D 9.5 cm

1 marks

Answer: A

This question in 0653/13 Oct/Nov 2023

8 Which environmental conditions result in the highest rate of transpiration from a plant? humidity temperature A high high B low high C high low D low low

1 marks

Answer: B

This question in 0653/12 May/June 2024

8 The diagram shows a section through a leaf. Which arrow represents the evaporation of water during transpiration? A A B B C D

1 marks

Answer: C

This question in 0653/13 May/June 2024

6 The table shows some of the processes involved in transpiration. What happens to these processes when the temperature increases? evaporation of water diffusion of from the surface water vapour of mesophyll cells through stomata A decreases decreases B decreases increases C increases decreases D increases increases

1 marks

Answer: D

This question in 0653/11 Oct/Nov 2024

9 What is transpiration? A absorption of water by root hair cells B loss of water vapour from leaves C loss of water vapour from the roots of plants D transport of sucrose in the phloem

1 marks

Answer: B

This question in 0653/12 Oct/Nov 2025

9 What is transpiration? A absorption of water by root hair cells B loss of water vapour from leaves C loss of water vapour from the roots of plants D transport of sucrose in the phloem

1 marks

Answer: B

This question in 0653/13 Oct/Nov 2025