Which of the following contain β-1, 4 linkage?

(1) Maltose

(2) Sucrose

(3) Lactose

(4) Fructose

Subtopic:  Carbohydrates: Glycosidic Bond & Disaccharide |
AIIMS - 2007
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NEET 2023 - Target Batch - Aryan Raj Singh
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Enzymes, vitamins and hormones can be classified into a single category of biological chemicals because of all of these

(1) enhance oxidative metabolism

(2) are conjugated proteins

(3) arc exclusively synthesised in the body of a living organism as at present

(4) help in regulating metabolism.

 54%
AIIMS - 2008
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NEET 2023 - Target Batch - Aryan Raj Singh
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Cut surfaces of fruit and vegetables often become dark because

(1) dirty knife makes it dark

(2) oxidation of tannic acid in the presence of a trace of iron from the knife makes it dark

(3) dust of the air makes it dark

(4) none of the above

Subtopic:  Element Analysis |
 91%
AIIMS - 2008
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NEET 2023 - Target Batch - Aryan Raj Singh
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Cotton fibres mainly contains

(1) cellulose           

(2) glycogen

(3) protein             

(4) lipid

Subtopic:  Carbohydrates: Cellulose, Chitin, Inulin & Agar |
 90%
From NCERT
AIIMS - 2009
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NEET 2023 - Target Batch - Aryan Raj Singh
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NEET 2023 - Target Batch - Aryan Raj Singh

Which of the following sugars is not found in plants?

(1) Sucrose

(2) Glucose

(3) Lactose

(4) Fructose

Subtopic:  Carbohydrates: Introduction |
 79%
AIIMS - 2009
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NEET 2023 - Target Batch - Aryan Raj Singh
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Jute fibres deteriorate quickly because

(1) cellulose content is high

(2) lignin content is high

(3) cellulose content is low

(4) lignin content is low

Subtopic:  Carbohydrates |
AIIMS - 2009
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NEET 2023 - Target Batch - Aryan Raj Singh
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Vitamin B6 is also called:-
(1) thiamine

(2) pantothenic acid

(3) pyridoxine 

(4) retinol

Subtopic:  Enzyme Cofactors |
 51%
AIIMS - 2010
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In a 50 gm living tissue, what would be the amount of water?

(1) 15-25 gm

(2) 25-30 gm

(3) 35-45 gm

(4) 70-90 gm

Subtopic:  Introduction |
 63%
From NCERT
AIIMS - 2011
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NEET 2023 - Target Batch - Aryan Raj Singh

Which of the following elements is present in very less quantity in the body?

(1) K             

(2) Ca

(3) Mg           

(4) Cu

Subtopic:  Introduction |
 68%
From NCERT
AIIMS - 2011
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In a normal adult, ascending order of concentration of following molecules is

(1) K>Na>Fe>Cu             

(2) Na>K>Cu>Fe

(3) Fe>Na>K>Cu             

(4) Na>Fe>K>Cu

Subtopic:  Introduction |
 51%
From NCERT
AIIMS - 2012
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