*Question*
Q: Which common element is the most found in living organisms? Choices: - hydrogen - oxygen - monoxide - carbon A:
**Answer**
carbon

*Question*
Q: What functions as a framework that reinforces the shape of the leaf? Choices: - the normal structure - the central structure - the stylised structure - the vascular structure A:
**Answer**
the vascular structure

*Question*
Q: What is the third male reprodutive structure after the penis and testes? Choices: - clitoris - scrotum - anus - epididymis A:
**Answer**
epididymis

*Question*
Q: What is the most commonly used source of energy in the world? Choices: - electricity - wind - water - oil A:
**Answer**
oil