Q: What is likely to happen to a parasite if it kills its host? Choices: - it thrives - it adapts - it mutates - it dies A:
it dies

(Question)
Q: What system is responsible for defending your body against sickness? Choices: - nervous system - circulatory system - digestion system - immune system A:
(Answer)
immune system

Ques: Q: What is the most significant cause of respiratory disease as well as cardiovascular disease and cancer? Choices: - sleeping - running - driving - smoking A:
Ans: smoking

(Q).
Q: Each pollen grain has two coverings: the exine (thicker, outer layer) and the what? Choices: - tube nucleus - pollen tube - cytoplasm - intine A:
(A).
intine

Ques:Q: Aldehydes, ketones, carboxylic acids, esters, and ethers all have functional groups containing what element? Choices: - silicon - methane - carbon - oxygen A:

Ans:oxygen

Q: What are long chains of amino acids? Choices: - lipids - Fatty Acid Chains - cells - proteins A:
proteins