Question

Which of the following metal is a water pollutant and causes sterility in human being [Pb. PMT 2004]
A) As
B) Mn
C) Mg
D) Hg

Answer 1

Manganese is the metal causing water pollution and sterility in human beings.

Answer 2

Dear Students,

● Answer -

(B) Mn (it causes sterility in humans.)

◆ Manganese -

• Manganese is an important micronutrient in plants.
• It's an important water pollutant.

# Deficiency of Mn causes -

1. reduced overall growth.
2. pale coloured leaves.
3. dark green veins & reticulated venules.
4. elongated holes between veins.
5. interveinal chlorosis of old leaves.

# Toxicity of Mn causes -

1. dark orange to dusty brown motling of leaves.
2. deficiency of Fe & Zn.
3. symptoms appear first on younger leaves.

Hope this helps. Keep asking..