What are the products formed by the given anaerobic respiration?

(A) Water, (B) Carbon dioxide

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(A) Ethanol, Carbon dioxide (B) Alcohol

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(A) Lactic acid, Carbon dioxide (B) Alcohol

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(A) Alcohol, Carbon dioxide (B) Lactic acid

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Solution

The correct option is A
(A) Water, (B) Carbon dioxide

Anaerobic respiration is the breakdown of glucose in the absence of oxygen. In yeast, the glucose breaks down anaerobically to produce alcohol as the end product and carbon dioxide gas as the byproduct. Whereas, in the case of Lactobacillus bacteria, lactic acid is produced anerobically.

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Similar questions

The following is a simplified diagram showing the fate of glucose during aerobic and anaerobic respiration. Identify the end products that are formed at stages indicated A, B, C and D. Identify the correct option from those given below.

Q. The correct sequence of anaerobic reactions in yeast is

(a)

G l u c o s e c y t o p l a s m - ----- \to P y r u v a t e m i t o c h o n d r i a - ------- \to E t h a n o l + C a r b o n d i o x i d e

(b)

G l u c o s e c y t o p l a s m - ----- \to P y r u v a t e c y t o p l a s m - ----- \to L a c t i c a c i d

(c)

G l u c o s e c y t o p l a s m - ----- \to P y r u v a t e m i t o c h o n d r i a - ------- \to L a c t i c a c i d

(d)

G l u c o s e c y t o p l a s m - ----- \to P y r u v a t e c y t o p l a s m - ----- \to E t h a n o l + C a r b o n d i o x i d e

Question 12
The correct sequence of anaerobic reactions in yeast is

(a) $G l u c o s e c y t o p l a s m - ----- \to P y r u v a t e m i t o c h o n d r i a - ------- \to E t h a n o l + C a r b o n d i o x i d e$
(b) $G l u c o s e c y t o p l a s m - ----- \to P y r u v a t e c y t o p l a s m - ----- \to L a c t i c a c i d$
(c) $G l u c o s e c y t o p l a s m - ----- \to P y r u v a t e m i t o c h o n d r i a - ------- \to L a c t i c a c i d$
(d) $G l u c o s e c y t o p l a s m - ----- \to P y r u v a t e c y t o p l a s m - ----- \to E t h a n o l + C a r b o n d i o x i d e$

Q. Name the type of respiration in which the end products are:
(a) ethanol, carbon dioxide and energy.
(b) carbon dioxide, water and energy.

Q. During alcoholic fermentation, ethanol and carbon dioxide are produced.

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