NEET Biology Respiration plants mcqs,pdfs,model,mock tests

Respiration in plants Mock Test-2

Question No:1

At how many places in Kreb’s cycle NADH + H+ is formed?

[A] 1
[B] 2
[C] 3
[D] 4

Question No:2

At how many places in Kreb’s cycle FADE2, is formed?

[A] 1
[B] 2
[C] 3
[D] 4

Question No:3

ETS is present in

[A] stroma
[B] matrix of mitochondria of mitochondria
[C] inner membrane of mitochondria
[D] outer membrane of mitochondria

Question No:4

Match the column:
Column I– Column II
A. NADH dehydrogenase — 1) Complex IV
B. Cytochrome bc1 – 2) Complex III
C. Cytochrome aa3 – 3) Complex I
D. ATP synthase – 4) Complex V

[A] A-1, B-2, C-3, D-4
[B] A-3, B-2, C-1, D-4
[C] A-4, B-1, C-3, D-2
[D] A-1, B-4, C-2, D-3

Question No:5

Ubiquinone transfer its electron to

[A] Complex II
[B] Complex I
[C] Cytochrome c
[D] Matrix

Question No:6

Which of the following is correct about cytochrome?

[A] Small protein attach to outer surface of inner membrane of mitochondria
[B] Act as mobile carrier
[C] Transfer electron between complex III and IV
[D] All

Question No:7

1 molecule of NADH gives rise to …… molecules of ATP, while 1 molecule of FADH2 gives …… molecule of ATP

[A] 3, 2
[B] 2, 3
[C] 2, 2
[D] 3, 3

Question No:8

O2 acts as

[A] terminal hydrogen acceptor
[B] Terminal electron acceptor
[C] both
[D] none

Question No:9

Which type of phosphorylation occurs in mitochondria?

[A] Oxidative phosphorylation
[B] Substrate level phosphorylation
[C] Photophosphorylation
[D] Both (a) and (b)

Question No:10

When 12H+pass through F0-F1 particle, how many ATPs are produced?

[A] 6 ATP
[B] 4 ATP
[C] 8 ATP
[D] 10 ATP

Question No:11

To form respiratory balance sheet, calculations can be made on certain assumptions like:

[A] There is sequential pathway functioning like glycolysis, TCA cycle and ETS following one often another
[B] NADH formed in glycolysis transferred to mitochondria and undergoes oxidative phosphorylation
[C] None of the intermediates in pathway are utilized to synthesize any other compound and glucose is being respired—no other alternative substrate are entering in the pathway at any of the intermediary stages
[D] All

Question No:12

How many molecules of ATP are produce by oxidation of 1 molecule of glucose?

[A] 30
[B] 36
[C] 4
[D] 40

Question No:13

Which of the following is incorrect about fermentation?

[A] It account for partial breakdown of glucose
[B] Net gain is only 2 ATP
[C] NADH to NAD+ formation reaction is vigorous
[D] It occur in cytoplasm

Question No:14

Respiratory pathway is best defined as

[A] catabolic pathway
[B] anabolic pathway
[C] amphibolic pathway
[D] none

Question No:15

Glycerol enters the respiratory pathway at

[A] Glu-6-phosphate