Indicate whether the following statements are true (T) or false (F) by drawing a circle around T or F in each case - Leaving Cert Biology - Question 2 - 2015
Question 2
Indicate whether the following statements are true (T) or false (F) by drawing a circle around T or F in each case.
Example: A tissue is a group of cells which carr... show full transcript
Worked Solution & Example Answer:Indicate whether the following statements are true (T) or false (F) by drawing a circle around T or F in each case - Leaving Cert Biology - Question 2 - 2015
Step 1
(a) Tissues are made of organs.
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False: Tissues are composed of groups of similar cells that perform specific functions, whereas organs are made up of different types of tissues working together.
Step 2
(b) Tissue culture is the growth of tissue in test tubes or Petri dishes.
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True: Tissue culture refers to the technique in which tissues are grown in controlled conditions, typically in a laboratory setting using vessels like Petri dishes.
Step 3
(c) Human skin tissue will grow best at 10 °C.
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False: Human skin tissue generally grows best at the body temperature of approximately 37 °C.
Step 4
(d) Cells will grow only in a sterile medium.
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False: While sterile conditions are important for preventing contamination, cells can grow in non-sterile media under certain conditions, though this is not ideal.
Step 5
(e) Tissue culture is used in micropropagation.
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True: Micropropagation is a technique that utilizes tissue culture methods to produce large numbers of identical plants from a small amount of starting material.
Step 6
(f) Cancer is the controlled growth of cells.
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False: Cancer involves uncontrolled growth and division of cells, leading to the formation of tumors and potentially spreading to other parts of the body.
Step 7
(g) Chemotherapy is used as a cancer treatment.
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True: Chemotherapy is a common treatment method for cancer that uses drugs to kill or slow the growth of cancer cells.
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