Quiz-summary
0 of 10 questions completed
Questions:
- 1
- 2
- 3
- 4
- 5
- 6
- 7
- 8
- 9
- 10
Information
Free Practice Questions
You have already completed the quiz before. Hence you can not start it again.
Quiz is loading...
You must sign in or sign up to start the quiz.
You have to finish following quiz, to start this quiz:
Results
0 of 10 questions answered correctly
Your time:
Time has elapsed
You have reached 0 of 0 points, (0)
Categories
- Not categorized 0%
- 1
- 2
- 3
- 4
- 5
- 6
- 7
- 8
- 9
- 10
- Answered
- Review
-
Question 1 of 10
1. Question
The cell membrane has a bilayer of the hydrophobic region between two lipids. This bilayer consists of proteins, cholesterol, and glycoproteins which result in?
Correct
It is semi-permeable because not all molecules can diffuse through the bilayer of phospholipids.
Incorrect
It is semi-permeable because not all molecules can diffuse through the bilayer of phospholipids.
-
Question 2 of 10
2. Question
Which of the following statement best defines the importance of DNA for metabolic activities of a cell?
Correct
The DNA controls and regulates the synthesis of enzymes.
Incorrect
The DNA controls and regulates the synthesis of enzymes.
-
Question 3 of 10
3. Question
Select the best statement that best defines how catalyst substance accelerates a reaction.
Correct
Catalysts accelerate a reaction by finding an alternative pathway that requires less energy for a reaction to occur.
Incorrect
Catalysts accelerate a reaction by finding an alternative pathway that requires less energy for a reaction to occur.
-
Question 4 of 10
4. Question
One liter of a one molar solution of whichever element would contain?
Correct
It will contain the element’s atomic mass in grams.
Incorrect
It will contain the element’s atomic mass in grams.
-
Question 5 of 10
5. Question
Select the statement that best defines chemical bonding.
Correct
A chemical bond is an attraction between atoms.
Incorrect
A chemical bond is an attraction between atoms.
-
Question 6 of 10
6. Question
An ionic bond is best described as?
Correct
It is a type of chemical bonding that completes the transfer of electron valence between atoms.
Incorrect
It is a type of chemical bonding that completes the transfer of electron valence between atoms.
-
Question 7 of 10
7. Question
Select the statement that best describes carbohydrates.
Correct
Carbohydrates are the cell’s source of energy. It is one of the major organic molecules essential for life.
Incorrect
Carbohydrates are the cell’s source of energy. It is one of the major organic molecules essential for life.
-
Question 8 of 10
8. Question
Lipids are fats and oils that are best described as?
Correct
The body stores lipids in preparation for when carbohydrates are depleted, it will act as an alternative source of energy.
Incorrect
The body stores lipids in preparation for when carbohydrates are depleted, it will act as an alternative source of energy.
-
Question 9 of 10
9. Question
Which of the following best describes the difference between higher plants and animals in the occurrence of mitosis and cytokinesis?
Correct
Plants have cell walls. That’s why instead of cleavage furrow formation, it forms a cell plate. In animals, a cleavage furrow starts to form after anaphase.
Incorrect
Plants have cell walls. That’s why instead of cleavage furrow formation, it forms a cell plate. In animals, a cleavage furrow starts to form after anaphase.
-
Question 10 of 10
10. Question
Which of the following statement best describes the function of water in photosynthesis?
Correct
When plants take carbon dioxide and water from the soil, the water becomes oxidized. During oxidation, water loses its electrons.
Incorrect
When plants take carbon dioxide and water from the soil, the water becomes oxidized. During oxidation, water loses its electrons.