Correct answer: C. ( array c Vitamin deficiency disease array Vitamin Source Night blindness Retinol Carrot, milk ) Night blindness is the inability to see in dim light or at night. It is due to disorder of the cells in the retina that are responsible for vision in dim light and can result from dietary deficiency of vitamin A (retinol). ( Name Sources Effect of deficiency array l Vit. C (Ascorbic acid) array array l Lemon, orange and other citrus fruits, tomatoes, green vegetables, potatoes, carrots, pepper etc. array array l Scurvy (also called sailor's disease) is characterised by wound -healing and growth retardation etc. array array l Vit. D (Ergocalciferol and Cholecalciferol) array array l Synthesized in skin cells in sunlight from 7-dehydrocholesterol (i.e. provitamin D_3 ), also found in butter, liver, kidneys, egg yolk, fish, oil, etc. array array l Rickets, a disorder of children of 6 months to 2years, and osteomalacia, a disorder of adults. array array l Vit. E (Tocopherol) array array l Green vegetables, oils, egg yolk, wheat, animal tissues array array l Reversible sterility in female. In male causes atrophy of spermatogenic tubules of testes. array )

AIIMS 2007

Exam: AIIMS
Year: 2007
Subject: Zoology
Chapter: Digestion and Absorption

AIIMS 2007 · Zoology · Digestion and Absorption

Which match is true?

Options

$\begin{array}{c} Vitamin deficiency</td></tr><tr><td>disease \end{array}$	Vitamin	Source
Severe bleeding	Tocopherol	Milk, egg

)

$\begin{array}{c} Vitamin deficiency</td></tr><tr><td>disease \end{array}$	Vitamin	Source
Anaemia	Ascorbic acid	Lemon, orange

)

$\begin{array}{c} Vitamin deficiency</td></tr><tr><td>disease \end{array}$	Vitamin	Source
Night blindness	Retinol	Carrot, milk

)

$\begin{array}{c} Vitamin deficiency</td></tr><tr><td>disease \end{array}$	Vitamin	Source
Sterility	Calciferol	Milk, butter

)

Correct answer

C. (

$\begin{array}{c} Vitamin deficiency</td></tr><tr><td>disease \end{array}$	Vitamin	Source
Night blindness	Retinol	Carrot, milk

)

Step-by-step solution

Night blindness is the inability to see in dim light or at night. It is due to disorder of the cells in the retina that are responsible for vision in dim light and can result from dietary deficiency of vitamin A (retinol). (

Name	Sources	Effect of deficiency
$\begin{array}{l} Vit. C</td></tr><tr><td>(Ascorbic acid) \end{array}$	$\begin{array}{l} Lemon, orange and</td></tr><tr><td>other citrus fruits,</td></tr><tr><td>tomatoes, green</td></tr><tr><td>vegetables, potatoes,</td></tr><tr><td>carrots, pepper etc. \end{array}$	$\begin{array}{l} Scurvy (also called</td></tr><tr><td>sailor's disease) is</td></tr><tr><td>characterised by wound</td></tr><tr><td>-healing and growth</td></tr><tr><td>retardation etc. \end{array}$
$\begin{array}{l} Vit. D</td></tr><tr><td>(Ergocalciferol</td></tr><tr><td>and</td></tr><tr><td>Cholecalciferol) \end{array}$	$\begin{array}{l} Synthesized in skin</td></tr><tr><td>cells in sunlight from</td></tr><tr><td>7-dehydrocholesterol</td></tr><tr><td>(i.e. provitamin D_3 ),</td></tr><tr><td>also found in butter,</td></tr><tr><td>liver, kidneys, egg</td></tr><tr><td>yolk, fish, oil, etc. \end{array}$	$\begin{array}{l} Rickets, a disorder of</td></tr><tr><td>children of 6 months to</td></tr><tr><td>2years, and osteomalacia,</td></tr><tr><td>a disorder of adults. \end{array}$
$\begin{array}{l} Vit. E</td></tr><tr><td>(Tocopherol) \end{array}$	$\begin{array}{l} Green vegetables,</td></tr><tr><td>oils, egg yolk,</td></tr><tr><td>wheat, animal</td></tr><tr><td>tissues \end{array}$	$\begin{array}{l} Reversible sterility in</td></tr><tr><td>female. In male causes</td></tr><tr><td>atrophy of spermatogenic</td></tr><tr><td>tubules of testes. \end{array}$

)

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