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
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.
96%
114 rated
Only available for registered users.
Sign up now to view full answer, or log in if you already have an account!
Answer
This statement is True. Adrenaline is indeed released into the bloodstream in response to stress or danger, preparing the body for a 'fight or flight' response.
Step 2
b) Plants are producers; however, they still need mitochondria.
99%
104 rated
Only available for registered users.
Sign up now to view full answer, or log in if you already have an account!
Answer
This statement is False. While plants are producers and perform photosynthesis, they do not have the same reliance on mitochondria as animals for energy, because they can produce their own food through photosynthesis.
Step 3
c) Neurotransmitters are transported in the blood.
96%
101 rated
Only available for registered users.
Sign up now to view full answer, or log in if you already have an account!
Answer
This statement is False. Neurotransmitters primarily act at synapses in the nervous system and are not usually transported in the bloodstream; instead, they function locally.
Step 4
d) A potato is a root modified to store food.
98%
120 rated
Only available for registered users.
Sign up now to view full answer, or log in if you already have an account!
Answer
This statement is True. Potatoes are tubers, which are modified stems that store starch, but they have root-like functions in terms of nutrient storage.
Step 5
e) Tissue culture involves growing cells on an artificial medium.
97%
117 rated
Only available for registered users.
Sign up now to view full answer, or log in if you already have an account!
Answer
This statement is True. Tissue culture refers to the technique of growing cells in a controlled environment on a nutrient-rich artificial medium.
Step 6
f) There are four bones in the middle ear.
97%
121 rated
Only available for registered users.
Sign up now to view full answer, or log in if you already have an account!
Answer
This statement is False. There are actually three bones in the middle ear known as the ossicles: the malleus, incus, and stapes.
Step 7
g) Monocotyledonous plants are almost always herbaceous.
96%
114 rated
Only available for registered users.
Sign up now to view full answer, or log in if you already have an account!
Answer
This statement is True. Monocotyledonous plants typically include grasses and other herbaceous plants, although there are exceptions.
Join the Leaving Cert students using SimpleStudy...
