What is the equation of tangent line to the graph of f(x) = (2x + 1)ยนโฐ at x = 0?
Anonymous Quiz
9%
y = -20x -1
29%
y = -20x + 1
55%
y = 20x + 1
7%
y = 20x - 1
โค3
If y = 8x - 23 is tangent line to the graph of f at x = 5, then what is the value of f'(5)?
Anonymous Quiz
9%
4
52%
8
26%
17
13%
-23
๐ฅฐ2โค1
When carboxylic acid react with active metals such as Na, K, Mg, etc, which of the following gas is liberated?
Anonymous Quiz
50%
Hydrogen gas
16%
Nitrogen gas
13%
Oxygen gas
22%
Carbon dioxide gas
๐ฅฐ1
๐ฅฐ1
๐ฅฐ1
What is the main function of the kidney?
Anonymous Quiz
29%
Urination
53%
Filtration of blood
9%
Respiration
10%
Transportation of water
โค2
Which one of the following compounds contains more energy than all the rest per molecule?
Anonymous Quiz
9%
FADH2
22%
Pyruvic acid
21%
NADH
49%
ATP
โค3๐ฅฐ2
2,In photorespiration:
Anonymous Quiz
14%
low oxygen concentrations cause Rubisco to form more GP than usual
44%
high oxygen concentrations cause Rubisco to form less GP than usual
24%
low carbon dioxide concentrations cause Rubisco to form less GP than usual
18%
high carbon dioxide concentrations cause Rubisco
๐2โค1
4. C4 photosynthesis is more efficient than C3 photosynthesis in conditions of:
Anonymous Quiz
24%
high light intensity and high carbon dioxide concentrations
31%
low light intensity and high carbon dioxide concentrations
33%
high light intensity and low carbon dioxide concentrations
12%
low light intensity and low carbon dioxide concentrations
Which of the following is the most important pigment for photosynthesis?
Anonymous Quiz
68%
Chlorophyll-a
20%
Chlorophyll-b
9%
Carotenoids
3%
Xanthophyll
6,CAM helps the plant in
Anonymous Quiz
18%
Glycolysis
34%
Disease resistance
11%
2ndry growth
36%
Conserving water
โค2
7,What happens to excess energy not stored as ATP in a cell?
Anonymous Quiz
26%
It is lost as heat.
28%
It is converted to glucose.
34%
It is absorbed by the mitochondria.
12%
It is converted to protein.
โค1
8,What type of organisms can produce their own energy using sunlight?
Anonymous Quiz
9%
Heterotrophs
85%
Autotrophs
4%
Decomposers
2%
Parasites
โค1
9,Which process produces the most ATP in cellular respiration?
Anonymous Quiz
28%
Glycolysis
14%
Krebs cycle
46%
Electron transport chain
11%
Fermentation
10,Which energy transformation occurs during cellular respiration?
Anonymous Quiz
6%
Glucose to heat
64%
Glucose to ATP
18%
Light to ATP
12%
Glucose to starch
โค1
12,What happens to glucose during cellular respiration?
Anonymous Quiz
10%
It is converted into oxygen.
59%
It is broken down to release energy.
27%
It is stored as ATP.
3%
It is used to produce nitrogen.
13,During photosynthesis, which gas is used as a reactant?
Anonymous Quiz
11%
Oxygen
82%
Carbon dioxide
7%
Nitrogen
0%
Methane
14,What molecule acts as the main energy currency in a cell?
Anonymous Quiz
17%
Glucose
70%
ATP
12%
NADPH
2%
Pyruvate
โค1
15,In which part of the chloroplast does the light-dependent reaction occur?
Anonymous Quiz
29%
Stroma
60%
Thylakoid membrane(grana)
8%
Outer membrane
3%
Matrix