Q.1.
Diffusion is the net movement of molecule from a region of ...1...to region of ...2....
-
67%
1: lower concentration, 2: higher concentration
-
33%
1: higher concentration, 2: lower concentration
-
0%
1: lower concentration, 2: lower concentration
-
0%
1: higher concentration, 2: higher concentration
Q.2.
Two Erlenmeyer flasks are arranged as the diagram below. After several minutes, all of Erlenmeyer flasks are filled up by glucose solution. Why did it happen?
-
0%
It happens because of diffusion
-
0%
It happens because of osmosis
-
0%
It happens because of gravitation force
-
0%
It happens because of shaking hands
Q.3.
Osmosis is the passage of ...1... molecules from a region of their higher concentration to a region of their lower concentration through a ... 2 ... permeable membrane
-
0%
1: sugar, 2: completely
-
0%
1: sugar, 2: partially
-
0%
1: water, 2: completely
-
0%
1: water, 2: partially
Q.4.
The diagram shows two chambers with different concentration of molecules separated by a selectively permeable membrane. Predict what will happen to the water molecules ?
-
0%
move from B to A due to diffusion
-
0%
move from B to A due to osmosis
-
100%
move from B to A due to active transport
-
0%
move from A to B due to osmosis
Q.5.
Active transport is movement of particles through the cell membrane from a region of ...1... to a region of ...2... using energy in the form of ...3...
-
0%
1: lower concentration, 2: higher concentration, 3: NADPH
-
0%
1: higher concentration, 2: lower concentration, 3: NADPH
-
0%
1: higher concentration, 2: lower concentration, 3: ATP
-
0%
1: lower concentration, 2: higher concentration, 3: ATP
Q.6.
Which of the following is a sample of active transport?
-
0%
movement of oxygen from alveoli into red blood cell
-
0%
movement of water across cell membrane
-
0%
plant root absorbing mineral ions from the soil
-
0%
uptake of water by the root hair of the plant
Q.7.
Which of the following is a sample of osmosis?
-
0%
plant root absorbing mineral ions from the soil
-
0%
the scent from a bunch of flowers spreads throughout a room
-
0%
carbon dioxide move from air into leaves through stomata.
-
0%
plant root absorbing water from the soil
Q.8.
Which one is the definition of Diffusion ?
-
0%
movement of particles through the cell membrane from a region of lower concentration to a region of higher concentration using energy in the form of ATP.
-
0%
passage of water molecules from a region of their higher concentration to a region of their lower concentration through a partially permeable membrane
-
0%
net movement of molecule from a region of higher concentration to region of lower concentration. Molecule down a concentration gradient
-
0%
net movement of molecule from a region of lower concentration to region of higher concentration. Molecule down a concentration gradient
Q.9.
Which one is the definition of Osmosis ?
-
0%
movement of particles through the cell membrane from a region of lower concentration to a region of higher concentration using energy in the form of ATP.
-
0%
passage of water molecules from a region of their higher concentration to a region of their lower concentration through a partially permeable membrane
-
0%
net movement of molecule from a region of higher concentration to region of lower concentration. Molecule down a concentration gradient
-
0%
net movement of molecule from a region of lower concentration to region of higher concentration. Molecule down a concentration gradient
Q.10.
Which one is the definition of active transport?
-
0%
movement of particles through the cell membrane from a region of lower concentration to a region of higher concentration using energy in the form of ATP.
-
0%
passage of water molecules from a region of their higher concentration to a region of their lower concentration through a partially permeable membrane
-
0%
net movement of molecule from a region of higher concentration to region of lower concentration. Molecule down a concentration gradient
-
0%
net movement of molecule from a region of lower concentration to region of higher concentration. Molecule down a concentration gradient
Q.11.
What will be happen?
-
0%
water molecule move from solution 1 to solution 2 by osmosis
-
0%
water molecule move from solution 2 to solution 1 by osmosis
-
0%
water molecule move from solution 1 to solution 2 by active transport
-
0%
Sugar molecule move from solution 1 to solution 2 by osmosis
Q.12.
What is the other term for "diffusion of water"
-
0%
diffusion
-
0%
osmosis
-
0%
active transport
-
0%
passive transport
Q.13.
This plasmolysis condition happen if we put plant cell in ....solution
-
0%
hypotonic
-
0%
isotonic
-
0%
elektronic
-
0%
hypertonic
Q.14.
This red blood cell swell and burst in a ....solution
-
0%
hypotonic
-
0%
isotonic
-
0%
elektronic
-
0%
hypertonic