Question

Bone meal is a source of:
(A) Ca
(B) N
(C) P
(D) Mo

• A. (A), (B) and (D) only.
• B. (A), (B) and (C) only.
• C. (A), (B), (C) and (D).
• D. (B), (C) and (D) only.

Hint:

Bone meal is especially useful in organic farming for promoting root growth and flower development.

Answer 1

The Correct Option is B

Step 1: Bone meal comes from ground animal bone, mainly calcium phosphate.
Step 2: This supplies Ca and P directly, and residual protein supplies some N.
Step 3: Mo is not part of bone composition, so it is eliminated.
Step 4: Correct answer, (A), (B) and (C) only.