(Q).
Q: What is the most common type of cancer developed in children? Choices: - anemia - lung cancer - stomach cancer - leukemia A:
(A).
leukemia

(Q).
Q: In eukaryotes, mrna may be modified before leaving what? Choices: - ribosome - mitochondria - epidermis - nucleus A:
(A).
nucleus

(Q).
Q: What is an alloy of copper and tin? Choices: - zinc - gold - silver - bronze A:
(A).
bronze