Quarter 1 Summative Test in Biotechnology 8
Quiz by Jan Mari Buenaflor
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- Q1
1. Which of the following best describes cytoplasm?
Allows distribution of nutrients throughout the plant
Contains the information necessary for the creation of new cells
Protects the inner parts of the cell
A jelly-like material inside the cell in which various cell organelles are embedded, help dissolve solutes
60s - Q2
2. Which of the following structures serves as the cell’s boundary from its environment?
channel protein
cell membrane
mitochondrion
chloroplast
60s - Q3
3. Which of the following is a function of the cell membrane?
keeps the cell wall in place
breaks down lipids, carbohydrates, and proteins from foods.
regulates the movement of materials into and out of the cell
stores water, salt, proteins, and carbohydrates
60s - Q4
4. Which of the following best describes anaerobic bacteria?
Bacteria that needs oxygen to survive
Bacteria that can produce methane gas
Bacteria that thrive in a salty environment
Bacteria that do not require oxygen for growth
60s - Q5
5. Which of the following is an example of a prokaryote?
sunflower
dog
bacterium
mushroom
60s - Q6
6. All the following parts are present in the bacterial cell except one.
Chromosome
Nucleus
Cell membrane
Ribosomes
60s - Q7
7. The diffusion of water across a selectively permeable membrane is called __________
Exocytosis
active transport
pinocytosis
osmosis
60s - Q8
8. Which phase of mitosis is shown by the cell?
Anaphase
Late prophase
Telophase
Early prophase
60s - Q9
9. Which of the following are the products of the Krebs cycle?
ATP
FADH
NADH
All of the above
60s - Q10
10. Why is ATP important?
ATP is the main source of energy for most cellular processes.
All of the above
ATP is broken down through hydrolysis.
During photosynthesis drives protons to return through ATP synthase to make ATP across a membrane.
60s - Q11
11. Why do cells divide?
To replace the old and worn-out cells
All choices are correct.
To develop and form new tissues and organs
To sustain life.
60s - Q12
12. What controls most of the cell processes and contains the genetic information of DNA?
Nucleus
Chloroplast
Mitochondria
Nucleolus
60s - Q13
13. An animal cell that is surrounded by freshwater will burst because the osmotic pressure causes
solutes to move out of the cell
water to move out of the cell
solutes to move into the cell
water to move into the cell
60s - Q14
14. A molecule that diffuses down a concentration gradient moves from an area of ________ concentration into an area of ___________ concentration.
passive, active
high, low
active, passive
low, high
60s - Q15
15. Passive transport requires no ________________________.
Energy
Osmosis
concentration gradients
Motion
60s