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Teas Science Q1. Which of the following organs remove nitrogenous waste from the body? a. Liver b. Large Intestine c. Kidneys d. Gall Bladder

Q2. An individual cell is able to make copies of its genetic information but is unable to produce encoded proteins. This indicates a possible problem in the_________________________. a. Centrosome b. Golgi apparatus c. Acrosome d. Ribosome

Q3. An increase in which of the following would lead to a decrease in the amount of oxygen in the blood? a. Inhalation rate b. Red blood cell count c. Exercise rate d. Alveoli surface area

Q4. Which of the following body system break down proteins into amino acids? a. Digestive b. Endocrine c. Circulatory d. Excretory

Q5. Which of the following occurs in the cardiac cycle if the impulse triggered at the sinoatrial node never close? a. Diastole will shorten in duration b. The ventricles will not contract c. There will be an absence of systole d. The atria will not contract.

Q6. Which of the following structures is found in all cells? a. Cell wall b. Mitochondria c. Nucleus d. Plasma membrane

Q7. Which of the following types of cell stimulates other immune cells to attack and destroy? a. Helper T-cells b. Plasma cells c. Cytotoxic T-cell d. Natural killer cells

Q8. Which of the followings molecules must undergo replication before cell division can occur? a. ATP b. ADP c. DNA d. RNA

Q9. Which of the following demonstrate a chemical reaction of water? a. Water boils to produce steam at 100 C (212 F) b. Water produces gas with sodium metal c. Water and oil separate when combined d. Water dissolves sugar

Q10. Where is the information stored in DNA? a. Deoxyribose sugars b. Phosphodiester bonds c. Phosphate group’s d. Nitrogenous bases

Q11. Which of the following organ system filter fluids? a. Gallbladder b. Kidney c. Spleen d. Stomach

Q12. The exchange of nutrients between tissues and blood primary occurs in which of the following locations? a. Capillaries b. Veins c. Arterioles d. Aorta

Q13. Genes are made of which of the followings types of sequences that code for one or more proteins? a. Nucleotide b. tRNA c. Protein d. Chromosome

Q14. Which of the following gland regulate the function of other glands in the endocrine system? a. Thyroid gland b. Pineal gland c. Parathyroid gland d. Pituitary gland

Q15. C3H8 + ________ O2 ======= 3CO + 4H2O. Which of the following balances the reaction above? a. 1 b. 7 c. 5 d. 3

Q16. Which of the following cellular processes produces gametes? a. Mitosis b. Glycogenesis c. Apoptosis d. Meiosis

Q17. Free ears in dogs are controlled by dominant allele (F), and attached ears are controlled by the recessive allele (f). In addition, Short dogs is due to a dominant allele(S), and long hair is due to a recessive allele (s). Which of the following is the genotype of the dogs with free ears and short hair? a. ffss b. FfSs c. ffSs d. Ffss

Q18. Which of the following functions does the myelin sheath perform for a nerve cell? a. Nutrition b. Sensory perception c. Insulation d. Regeneration

Q19. Osteoporosis results from which of the followings? a. A decline of osteoblast activity while osteoclast activity continues at expected levels b. A decline of osteoclast activity while osteoblast activity continues at expected levels c. An increase in osteocyte activity while osteoblast activity continues at expected levels d. An increase in osteocyte activity while osteoclast activity continues at expected levels

Q20. The process known as gastrulation results in the formation of which of the following a. Germinal layers b. Neural crest c. Caulomic cavities d. Circulatory systems

Q21. Which of the following unit is used to indicate mass? a. Cm3 b. Um c. Mg d. mL

Q22. In the experiment, students put brine shrimp in water with different concentration of salt and counted the number. Which of the following changes to the experiment will increase confidence in the validity of the result? a. Count the number of dead brine shrimp instead of living brine shrimp b. Add more brine shrimp to the water with the highest salt concentration c. Repeat the experiment several times, and calculate the average number of brine shrimp d. Reduce the length of the experiment from 24 hours to 8 hours

Q23. The component of an atom that possesses relatively little mass, thus being negligible in calculating the atom a. Proton b. Neutron c. Electron d. Quart.

Q24. S and O are in the same periodic group and share chemical properties, but H2S is a gas at room temperature, following is the main reason for this? a. H2S has stronger ionic bonds than H2O b. H2S has stronger intramolecular bonds than H2O c. H2O has stronger ionic bonds than H2S d. H2O has stronger intramolecular bonds than H2S

Q25. Which portion of the autonomic nervous system is responsible for an increased heart rate? a. Sympathetic b. Central c. Parasympathetic d. Enteric

Q26. Permanent damage to which of the following types of tissues in the spinal cord will cause paralysis? a. Muscle tissue b. Nervous Tissues c. Bone tissue d. Connective tissue

Q27. Which of the following diseases is caused by immune system attacking the body’s nervous system? a. Pneumonia b. Muscular dystrophy c. Tuberculosis d. Multiple sclerosis

Q28. In addition to oxygen and carbon dioxide, the circulatory system is the primary delivery system for a. cerebrospinal fluid b. exocrine secretions c. biliary fluids d. endocrine hormones

Q29. A biology class wants to perform an experiment to investigate the effect of different colors of light of green, yellow, red and clear cellophane and plant three seeds in each one. What part do the three seeds experiment? a. Confounding variables b. Independent variables c. Control variables d. Dependent variables

Q30. Which of the following reactions occurs during thermoregulation to increase body temperature? a. The body relaxes the muscle b. The body produces sweat c. The body begin shivering d. The body sends blood to the skin

Q31. Which of the followings terms describes the removal of metabolic waste from the body? a. Catabolism b. Anabolism c. Secretion d. Excretion

Q32. A DNA strand has the sequence 5’ A-C-A-G-T-A-A-A- 3’. Which of the followings if the real sequence? a. 3’ T-G-T-C-G-G-C-A-T-T-T 5’ b. 3’ A-C-A-G-C-C-G-T-A-A-A 5’ c. 3’ U-G-U-C-G-G-C-A-U-U-U 5’ d. 3’ A-A-A-T-G-C-C-G-A-C-A 5’

Q33. Gains and losses of which of the following generally create an electrolyte imbalance? a. Sodium b. Phosphate c. Riboflavin d. Sulfur...