Teaching BPSC बिहार प्राथमिक (1 to 5) शिक्षक भर्ती 4.0 Mock Test Environmental Studies Human Body Human Disease
Which of the following is the main reason of anemia (lack of blood)?
1
Blood cell deficiency
2
Hemoglobin deficiency
3
Oxygen deficiency
4
More than one of the above
5
None of the above