Homeostasis EQ

Leaving Certificate Biology

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€ 200

€ 300

€ 500

€ 2,000€ 1,000

€ 4,000

€ 8,000

€ 16,000

€ 32,000

€ 64,000

€ 125,000

€ 250,000

€ 500,000€1,000,000

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For €100: Homeostasis means maintaining

a constant …

A B

C D

Body shape Body mass

External environment

Internal environment

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D: Internal environment

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For €100: Homeostasis means maintaining

a constant …

A B

C DExternal

environmentInternal

environment

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010

2030

4050

6070

8090

100

A B C D

A

B

C

D

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• It has to be D Chris

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Bones

For €200: Which of the following is

involved in homeostasis?

A B

C D

Brain

Bladder Bronchi

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A: Brain

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For €200: Which of the following is

involved in homeostasis?

A B

C D

Brain

Bladder

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0102030405060708090

100

A B C D

A

B

C

D

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• It’s definitely A Chris

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For €300: Which of the following animals

is an endotherm?

A B

C D

Salmon Seal

Snake Spider

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B: Seal

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For €300: Which of the following animals

is an endotherm?

A B

C D

Salmon Seal

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40

50

60

70

A B C D

A

B

C

D

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• I’m 80% certain that it's … B

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For €500: Which of the following may result ina drop in water content of the blood?

A B

C D

Sleeping Exercise

A cold day Drinking

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B: Exercise

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For €500: Which of the following may result ina drop in water content of the blood?

A B

C D

Exercise

A cold day

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0102030405060708090

100

A B C D

A

B

C

D

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• That’s definitely B

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For €1,000: The body temperature of an ectotherm

varies with its …

A B

C D

Food intake Fluid intake

Internal temperature

External temperature

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Congratulations

D: Externaltemperature

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20 Apr 2023

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Next Question

For €1,000: The body temperature of an ectotherm

varies with its …

A B

C DInternal

temperatureExternal

temperature

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0

5

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15

20

25

A B C D

A

B

C

D

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• I really don’t know this one, just let me think ...

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For €2,000: At which temperature do human

enzymes work best?

A B

C D

35 ºC 36 ºC

37 ºC 38 ºC

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C: 37 ºC

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For €2,000: At which temperature do human

enzymes work best?

A B

C D

36 ºC

37 ºC

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0

10

20

30

40

50

60

70

80

A B C D

East

A

B

C

D

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• I know this one, it's … B, I think

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For €4,000: In cold conditions the blood

capillaries in the skin …

A B

C D

Move up near surface

Constrict

Dilate None of these

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B: Constrict

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For €4,000: In cold conditions the blood

capillaries in the skin …

A B

C D

Constrict

Dilate

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0

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20

30

40

50

60

70

80

A B C D

A

B

C

D

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For €8,000: Which of the following controls the water content of the blood?

A B

C D

ADH ADP

FSH HGH

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A: ADH

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For €8,000: Which of the following controls the water content of the blood?

A B

C D

ADH ADP

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05

101520253035404550

A B C D

A

B

C

D

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• I am not sure, I would guess A

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For €16,000: Leaves of plants are well adapted for rapid gas exchange because they …

A B

C D

Are narrow Are thin

Are thick Are green

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B: Are thin

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For €16,000: Leaves of plants are well adapted for rapid gas exchange because they …

A B

C D

Are thin

Are thick

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05

101520253035404550

A B C D

A

B

C

D

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• Hello, it's Chris Tarrant on Who wants to be a millionaire, this question is for €16,000.

• I am not sure, I’d chance B

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For €32,000: Which homeostatic organ

controls the pH of the blood?

A B

C D

Heart Skin

Kidney Lung

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C: Kidney

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20 Apr 2023

The Contestant

€ 32,000.00Thirty two thousand euro only

Next Question

For €32,000: Which homeostatic organ

controls the pH of the blood?

A B

C D

Heart

Kidney

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05

101520253035404550

A B C D

A

B

C

D

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• I believe it is … A

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For €64,000: Which of the following is not a means

by which the body retains heat?

A B

C D

Adipose tissue Hairs stand up

Blood capillaries constrict

Sweat is released

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D: Sweat is released

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For €64,000: Which of the following is not a means

by which the body retains heat?

A B

C DBlood capillaries

constrictSweat is released

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5

10

15

20

25

30

A B C D

A

B

C

D

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• I think it is C or D. I’m nor sure which. Take a chance on D.

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For €125,000: ADH acts on which of the following

parts of the nephron?

A B

C D

Proximal tubule andCollecting Duct

Proximal tubule andLoop of Henle

Distal tubule and Collecting Duct

Distal tubule andLoop of Henle

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C: Distal tubule andCollecting duct

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For €125,000: ADH acts on which of the following

parts of the nephron?

A B

C D

Proximal tubule andCollecting Duct

Distal tubule and Collecting

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0

5

10

15

20

25

A B C D

A

B

C

D

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• I know it. Oh! Chance C or D

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For €250,000: The concentration in the blood of which of the following gases, controls breathing?

A B

C D

Oxygen Carbon dioxide

Carbon monoxide All of these

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B: Carbon dioxide

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For €250,000: The concentration in the blood of which of the following gases, controls breathing?

A B

C D

Oxygen Carbon dioxide

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05

101520253035404550

A B C D

A

B

C

D

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• It’s either A or B, I’m 100% certain of that.

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For €500,000: What is the main source of heat that keeps

the body at a constant temperature?

A B

C D

Exercise Metabolism

Eating Breathing

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B: Metabolism

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Next Question

For €500,000: What is the main source of heat that keeps

the body at a constant temperature?

A B

C D

Exercise Metabolism

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Ask the audience

05

101520253035404550

A B C D

A

B

C

D

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• Hello, it's Chris Tarrant on Who wants to be a millionaire, this question is for €500,000.

• I know this? Is it B?

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For €1,000,000: Name the main hormone involved

when internal body temperature drops.

A B

C D

Oxytocin Insulin

Testosterone Thyroxine

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Congratulations

You are a Millionaire!

20 Apr 2023

The Contestant

€ 1,000,000.00One million euro only

For €1,000,000: Name the main hormone involved

when internal body temperature drops.

A B

C D

Insulin

Thyroxine

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0

5

10

15

20

25

A B C D

A

B

C

D

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• I do not have a clue I’m afraid

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WRONG ANSWER

Hard Luck

You leave with nothing

Try Again

WRONG ANSWER

Hard Luck

You leave with a cheque for €1,000.00

Try Again

20 Apr 2023

The Contestant

€ 1,000.00One thousand euro only

WRONG ANSWER

Hard Luck

You leave with a cheque for €32,000.00

Try Again

20 Apr 2023

The Contestant

€ 32,000.00Thirty two thousand euro only