Respiration in Plants Test

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Respiration in Plants Test - 3

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Weekly Quiz Competition

Question 1
1 / -0

Glycolysis occurs in

A
Mitochondria

B
Cell membrane

C
Chloroplast

D
Cytoplasm

Solution

Glycolysis" means the splitting of glucose. The first step of the process occurs in the cytoplasm of the cell and yields a small amount of energy (measured in units of ATP) and two molecules of pyruvate.

The other steps occur in the mitochondria.

It is an ongoing process as your cells have a constant need for energy
Question 2
1 / -0

Which of the following reactions are catalysed by the enzyme phosphofructokinase?

A
Fructose - 1, 6 - bisphophate → Fructose - 6 - phosphate

B
Glucose - 6 - phosphate → Fructose - 6 - phosphate

C
G - 3 - P → Dihydroxy acetone phosphate

D
Fructose - 6 - phosphate + ATP → Fructose - 1, 6 - bisphosphate
Question 3
1 / -0

Name the process complementary to respiration in plants.

A
Circulation

B
Photosynthesis

C
Osmoregulation

D
None of these
Question 4
1 / -0

RQ (Respiratory Quotient) is infinite

A
if respiratory substrate is carbohydrate

B
if respiratory substrate is fat

C
if respiratory substrate is an organic acid

D
in anaerobic respiration
Question 5
1 / -0

Which of the following statements are correct?

(A) The oxidation of pyruvic acid molecules formed in glycolysis occurs inside the mitochondria.
(B) Acetyl COA is a 3-carbon compound.
(C) Under anaerobic conditions, the pyruvic acid formed during glycolysis is reduced to either ethyl alcohol or lactic acid.
(D) Acetyl COA molecules enter into cyclic reactions during Calvin's cycle.

A
(A) and (B)

B
(C) and (D)

C
(A) and (C)

D
(B) and (C)
Question 6
1 / -0

In plants, the gaseous exchange take place in a) Stomata b) Roots c) Stems d) Lenticles

A
a) and b)

B
a) and d)

C
b) and d)

D
b) and c)

Solution

Plants unlike animals have no special systems for breathing or gaseous exchange. Stomata and lenticels allow gaseous exchange by diffusion.
Question 7
1 / -0

ADP → ATP reaction occurs when two protons (H⁺) are passed from

A
thylakoid to cytosol

B
thylakoid to lumen

C
lumen of thylakoid to stroma

D
stroma to thylakoid lumen
Question 8
1 / -0

Organism which depend on dead and decaying organic matter is

A
herbivorous

B
saprophytes

C
carnivores

D
autotrophs

Solution

A saprophyte or saprotroph is an organism which gets its energy from dead and decaying organic matter. This may be decaying pieces of plants or animals.

This means that saprophytes are heterotrophs. They are consumers in the food chain.
Question 9
1 / -0

The "energy currency" of plants and animals is

A
chlorophyll

B
calorie

C
ATP

D
NADP
Question 10
1 / -0

If the CO₂ content of atmosphere is as high as 300 parts per million, then

A
all plants would be killed

B
growth of plants would get stunted

C
the plants would thrive well

D
plants would grow for sometime and then die

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Re-Attempt Weekly Quiz Competition

Respiration in Plants Test - 3

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Respiration in Plants Test - 3

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SHARING IS CARING

Question 1

Mitochondria

Cell membrane

Chloroplast

Cytoplasm

Solution

Question 2

Fructose - 1, 6 - bisphophate → Fructose - 6 - phosphate

Glucose - 6 - phosphate → Fructose - 6 - phosphate

G - 3 - P → Dihydroxy acetone phosphate

Fructose - 6 - phosphate + ATP → Fructose - 1, 6 - bisphosphate

Question 3

Circulation

Photosynthesis

Osmoregulation

None of these

Question 4

if respiratory substrate is carbohydrate

if respiratory substrate is fat

if respiratory substrate is an organic acid

in anaerobic respiration

Question 5

(A) and (B)

(C) and (D)

(A) and (C)

(B) and (C)

Question 6

a) and b)

a) and d)

b) and d)

b) and c)

Solution

Question 7

thylakoid to cytosol

thylakoid to lumen

lumen of thylakoid to stroma

stroma to thylakoid lumen

Question 8

herbivorous

saprophytes

carnivores

autotrophs

Solution

Question 9

chlorophyll

calorie

ATP

NADP

Question 10

all plants would be killed

growth of plants would get stunted

the plants would thrive well

plants would grow for sometime and then die

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My Perfomance

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