EASY
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In pentose phosphate pathway which process is lacking

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Important Questions on Respiration in Plants

EASY
Assertion (A): Respiratory pathway is amphibolic pathway.
Reason (R): Respiratory pathway is involved in both anabolism and catabolism.
MEDIUM
Identify the substrate of these enzymes respectively.
Arginosuccinase; Hexokinase; Glutamine synthetase
A) Glutamic acid
B) Arginine
C) Arginosuccinic acid
D) Glucose
E) Fructose-1,6 phosphate
EASY
Respiratory Quotient (RQ) value of tripalmitin is
MEDIUM

Respiration in plants is different from respiration in animals with this regard, which statement is not suitable?

(P) Parts of plants performs respiration independently.

(Q) There is little transport of gas from one part to another in plant.

(R) Respiration in plants occurs at much slower rate than in animal.

(S) Respiration in animals occurs at much slower rate than in plants.

MEDIUM
Which statement is wrong for Krebs' cycle?
HARD

For the Amphibolic pathway, choose the correct option of true assertions from the given assertions. 

(I) Lipid enters the first stage of the respiratory pathway.

(II) The conversion of carbohydrates into glucose, before their entry into respiration is not compulsory.

(III) Protein enters into the respiratory pathway in the form of Pyruvic acid.

(IV) Oxidation and formation of lipid and protein, these two events take place.

EASY
Respiratory quotient is maximum when respiratory substrate is 
MEDIUM
Which gas is used in aerobic respiration-
EASY
Forced deep breathing for a few minutes by a person sitting at rest may be followed by a temporary cessation of breathing. This is due to
EASY
Which of the following statements regarding mitochondria is incorrect?
EASY
Why is there a difference in the rate of breathing between aquatic organisms and terrestrial organisms? Explain.
EASY
The number of substrate-level phosphorylation in one turn of citric acid cycle is:
EASY
Which of the following is a 6-carbon compound?
EASY
In the oxidative decarboxylation reaction of citric acid cycle, following products are observed when α -ketoglutaric acid is oxidized.
EASY
During Citric Acid cycle, the various organic acid undergo decarboxylation. Which of the following organic acids of the above cycle have $4 \mathrm{C}, 5 \mathrm{C}$ and $6 \mathrm{C}$ respectively?
MEDIUM
Choose the correct statements regarding entry of substrates into respiratory pathway.
A) The amino acids will be formed by protease activity on proteins.
B) Carbohydrates will be converted into glucose for entry.
C) Amino acids will enter as pyruvate or acetyl COA.
D) Fatty acids will be entered as PGAL.
EASY
Distinguish between breathing and respiration (any two points).
HARD

Find out where transketolase and epimerase reactions occur among the following:

i) G-3-P+DHAP Fructose -1-6- bisphosphate

ii) Sedoheptulose- 7- Phosphate +G-3-P Xylulose -5-P+ Ribose -5- Phosphate

iii) Ribose -5- Phosphate Ribulose -5- Phosphate

iv) Xylulose -5 -Phosphate  Ribulose-5 - Phosphate

v) Fructose - 6 -Phosphate +G-3-P Xylulose- 5 -Phosphate + Erythrose -4-Phosphate

The correct combination is