Indicate whether the following statements are true or false by placing a tick (✓) in the appropriate box in each case. (a) Adrenaline is secreted into the blood when experiencing a threat. (b) Plants are producers; however, they still need mitochondria. (c) Neurotransmitters are transported in the blood. (d) A potato is a root modified to store food. (e) Tissue culture involves growing cells on an artificial medium. (f) There are four bones in the middle ear. (g) Monocotyledonous plants are almost always herbaceous.

Leaving Cert Biology Plant Structure: Indicate whether the following s

Indicate whether the following statements are true or false by placing a tick (✓) in the appropriate box in each case - Leaving Cert Biology - Question 6 - 2021

Question 6

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Indicate whether the following statements are true or false by placing a tick (✓) in the appropriate box in each case. (a) Adrenaline is secreted into the blood whe... show full transcript

Worked Solution & Example Answer:Indicate whether the following statements are true or false by placing a tick (✓) in the appropriate box in each case - Leaving Cert Biology - Question 6 - 2021

Step 1

a) Adrenaline is secreted into the blood when experiencing a threat.

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Answer

True. Adrenaline, also known as epinephrine, is a hormone that is released into the bloodstream during stressful situations, triggering the fight-or-flight response.

Step 2

b) Plants are producers; however, they still need mitochondria.

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Answer

True. While plants conduct photosynthesis and produce their own food, they also require mitochondria for cellular respiration, which provides energy for growth and maintenance.

Step 3

c) Neurotransmitters are transported in the blood.

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Answer

False. Neurotransmitters are primarily used for communication between nerve cells in the nervous system and are not transported in the blood.

Step 4

d) A potato is a root modified to store food.

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Answer

True. A potato is a tuber, which is a type of root that stores nutrients, particularly starch, for the plant.

Step 5

e) Tissue culture involves growing cells on an artificial medium.

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Answer

True. Tissue culture is a technique used to grow cells in a controlled environment on a nutrient-rich medium.

Step 6

f) There are four bones in the middle ear.

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Answer

True. The middle ear contains three bones: the malleus, incus, and stapes, often referred to as the ossicles, making the statement incorrect as it states four.

Step 7

g) Monocotyledonous plants are almost always herbaceous.

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Answer

True. Monocotyledonous plants, or monocots, such as grasses and lilies, typically have herbaceous growth forms, although some can be woody.

Indicate whether the following statements are true or false by placing a tick (✓) in the appropriate box in each case - Leaving Cert Biology - Question 6 - 2021

Worked Solution & Example Answer:Indicate whether the following statements are true or false by placing a tick (✓) in the appropriate box in each case - Leaving Cert Biology - Question 6 - 2021

a) Adrenaline is secreted into the blood when experiencing a threat.

b) Plants are producers; however, they still need mitochondria.

c) Neurotransmitters are transported in the blood.

d) A potato is a root modified to store food.

e) Tissue culture involves growing cells on an artificial medium.

f) There are four bones in the middle ear.

g) Monocotyledonous plants are almost always herbaceous.

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