The most important food element for growth and repair of tissue is

Vitamin $B_1$ (Thiamine) deficiency leads to:

Which of the following symptoms are common to both Marasmus and Kwashiorkor?
$I-$ Muscle wasting
$II-$ Fat stored under the skin
$III-$ Thinning of limbs
$IV-$ Failure of growth and brain development
$V-$ Severe edema (swelling) in the body

Which of the following is not a source of vitamin $A$?

One gram of fat produces

Marasmus disease is caused due to