Q4:-6.02 × 10²0 molecules of urea are present in 100 ml of its solution.
The concentration of solⁿ is
The concentration of solⁿ is
Anonymous Quiz
33%
a) 0.00021M
33%
b) 10.1000L
20%
c) 110.222g
14%
d) non of these
🔥13❤5
Q5:-which has the maximum number of molecules among the following
[ AIPMT -2011]
[ AIPMT -2011]
Anonymous Quiz
49%
a) 8g H2
21%
b) 10 gm N2
21%
c) 11 gm O2
9%
d) non of these
🔥10❤2
Q1:-Nutrition in monera
Anonymous Quiz
23%
a) Autotrophic
20%
b) hetrotrophic
10%
c) saprophytic
47%
d) all
🔥10❤2
Q2:- which is not true for all monera
Anonymous Quiz
38%
a) take organic food
20%
b) unicellular
22%
c) Prokaryotic
20%
d) non of these
🔥7
Q3:- S-1 both Autorophic & hetrotrophic nutrition presents in monera
S-2 Cynobacteria is oxygenic
S-2 Cynobacteria is oxygenic
Anonymous Quiz
22%
a) only 1 correct
18%
b) only 2 correct
56%
c) both 1 & 2 correct
4%
d) both wrong
🔥14❤4
Q4:-S-I oxygenic and aerobic is same
S-ll all Cynobacteria are oxygenic
S-ll all Cynobacteria are oxygenic
Anonymous Quiz
17%
a) only "l" Is correct
32%
b) only "ll" is correct
44%
c) both l & l correct
7%
d) both wrong
❤14🔥3
Q5:- pigment absent in
Anonymous Quiz
23%
a) notrosomones
25%
b) Anabena
22%
c) purple sulfur bacteria
31%
d) all
❤7🔥3
Q1:-Which of the following concentration determine techniques gives a more accurate value?
Anonymous Quiz
35%
a) Molarity
36%
b) Molality
13%
c) Formality
16%
d) Normality
❤12🔥9
Q2:-What is the molality of a solution formed when 58.5g of NaCl is dissolved in 2000 mL of water?
Anonymous Quiz
17%
a) 29.2500 m
43%
b) 0.5000 m
27%
c) 0.0005 m
12%
d) 0.2925 m
❤6🔥5
Q3:-What is a solution called when the concentration of the solute equals its solubility in the solvent?
Anonymous Quiz
19%
a) Dilute
25%
b) Supersaturated
15%
c) Unsaturated
41%
d) Saturated
🔥10❤3
Q4:-What does the unit ‘mmole/kg’ represent?
Anonymous Quiz
39%
a) Molality
24%
b) Molarity
23%
c) Molar mass
13%
d) Milli-molarity
🔥13❤3
Q5:-What is the molarity of 20% (w/v) H2SO4 solution?
Anonymous Quiz
19%
a) 0.51 M
35%
b) 1.02 M
24%
c) 4.08 M
22%
d) 2.04 M
🔥12
Q1:-Gaseous exchange is held by ________
Anonymous Quiz
22%
a) osmosis
59%
b) simple diffusion
14%
c) facilitated diffusion
5%
d) co-transport
❤24🔥5
Q2:-Carbon dioxide is _______ times more soluble than oxygen.
Anonymous Quiz
46%
a) 20-25
25%
b) 5-10
21%
c) 15-20
7%
d) 25-30
❤11🔥3
Q3:- On which of the following factors diffusion does not depend?
Anonymous Quiz
13%
a) Solubility of gases
30%
b) Thickness of the respiratory membrane
14%
c) Partial pressure difference
44%
d) Molecular weight of gases
❤7🔥5
Q4:-Partial pressure of oxygen in alveolar air is ________
Anonymous Quiz
16%
a) 159 mm Hg
30%
b) 90 mm Hg
46%
c) 104 mm Hg
8%
d) 45 mm Hg
❤10🔥4
Q5:-What is the primary site for exchange of gases in lungs?
Anonymous Quiz
10%
a) Larynx
70%
b) Alveoli
13%
c) Trachea
7%
d) Bronchi
❤9🔥2