Which of the following answers is (are) correct for its (their) question stem?
Answer
1. Which of the following hormones produced by the stomach stimulates the secretion of gastric juice?
A. Gastrin B. Pepsinogen C. Salivary amalyse D. Cholecystokinin
2. Which of the following is the effect of blood vessels moving closer to the skin's surface when they dilate?
A. Sweat is released. B. The blood vessels constrict C. Body temperature is raised D. Body temperature is lowered
3. Which of the following organelles detoxify harmful compounds such as alcohol?
A. Peroxisomes B. Ribosomes C. Lysosomes D. Mitochondria
4. Which of the following results from the breakdown of protein during digestion?
A. Bilirubin B. Ketones C. Plasma D. Urea
5. Which of the following glands in the endocrine system sends the signals to the ovaries to begin the menustral cycle?
A. Pituitary B. Thyroid C. Pancreas D. Adrenal
6. Which of the following refers to a segment of DNA that contains three nucleotides to form a unit of genetic code?
A. Gene B. Codon C. Chromosome D. Genome
7. Which of the following structures in the respiratory system is a cartilaginous tube that connects the larynx to the bronchi?
A. Nasal opening B. Trachea C. Lungs D. Diaphragm
8. Which of the following options shows the correct pair of polar and non-polar macromolecules, respectively?
A. Carbohydrates and Lipids B. Lipids and carbohydrates C. Lipids and proteins D. Lipids and nucleic acids
9. Which of the following macrocmolecules can act as enzymes in chemical reactions?
A. Glucose B. Vitamins C. DNA D. Proteins
10. Which of the following describes a covalent bond?
A. Bonds formed between two positive ions B. Bonds formed between a metal and a nonmetal C. Bonds formed between a negative and a positive ion
D. Bonds formed when atoms share electrons
!. A
2. D
3. A
4. D
5. A
6. B
7. B
8. A
9. D
10. D