NCERT Solutions, CBSE Sample Papers and Syllabus for Class 9 to 12 : The longest part of the alimentary canal is:

Thursday, 25 April 2013

(Q.21) The first step in respiration is the break down of:

(A) Glucose
(B) Sucrose
(C) Fructose
(D) Mannose

(Q.22) Breakdown of pyruvate using oxygen takes place in:

(A) Golgi bodies
(B) Chloroplast
(C) Mitochondria
(D) Nucleus

(Q.23) The longest part of the alimentary canal is:

(A) Small intestine
(B) Large intestine
(C) Stomach
(D) Gall bladder

(Q.24) This acid causes cramps in our muscles:

(A) Pyruvic acid
(B) Lactic acid
(C) Hydrochloric acid
(D) Sulphuric acid

(Q.25) Aerobic respiration depends on this gas:

(A) Nitrogen
(B) Carbon dioxide
(C) Oxygen
(D) Helium

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