Indicate whether the following are true (T) or false (F) by drawing a circle around T or F - Leaving Cert Biology - Question 3 - 2005
Question 3
Indicate whether the following are true (T) or false (F) by drawing a circle around T or F.
(a) Urea is formed in the kidneys.
(b) Motor neurons conduct impulses to... show full transcript
Worked Solution & Example Answer:Indicate whether the following are true (T) or false (F) by drawing a circle around T or F - Leaving Cert Biology - Question 3 - 2005
Step 1
(a) Urea is formed in the kidneys.
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 False. Urea is produced in the liver, not the kidneys.
Step 2
(b) Motor neurons conduct impulses towards the central nervous system.
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. Motor neurons transmit impulses away from the central nervous system to muscles and glands.
Step 3
(c) Endocrine glands secrete hormones.
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 True. Endocrine glands are responsible for producing and secreting hormones into the bloodstream.
Step 4
(d) Tendons join muscles to bones.
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. Tendons are connective tissues that attach muscles to bones.
Step 5
(e) The sino-atrial node (pacemaker) is located on the right side of the heart.
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 False. The sino-atrial node is located in the right atrium of the heart, which is technically the right side but often referred to in context as part of the atrial structure.
Step 6
(f) A nucleus is absent from human red blood cells.
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 True. Mature human red blood cells lack a nucleus.
Step 7
(g) Light is essential for the germination of seeds.
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 False. While light can aid germination in some seeds, many seeds can germinate in darkness as well.
Step 8
(h) Lenticels serve the same function as stomata.
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 True. Both lenticels and stomata facilitate gas exchange.
Step 9
(i) Parallel leaf veins are characteristic of monocotyledonous plants.
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 True. Monocots typically exhibit parallel venation.
Step 10
(j) Endosperm is a food reserve in some seeds.
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. The endosperm provides nourishment to the developing plant embryo.
Join the Leaving Cert students using SimpleStudy...
