A deficiency in which vitamin can exacerbate the neurological symptoms observed in pernicious anemia, a condition primarily caused by Vitamin $B_{12}$ deficiency?

Weak bones and teeth are a symptom of deficiency in which nutrient?

Which mineral deficiency in humans can lead to Pernicious Anemia?

A child with bowed legs and delayed teeth eruption is likely suffering from a deficiency of:

Heart rot is due to deficiency of

A plant exhibits interveinal chlorosis in its young leaves, while older leaves remain relatively unaffected. This symptom is indicative of a deficiency in which micronutrient that is relatively immobile within the plant?

Necrosis means

N.S. Mo deficiency leads to

Deficiency of which of the given sets of elements causes necrosis?

The deficiency of which vitamin causes night blindness?

Grey spots of oat are caused by deficiency of