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# GENERAL BIOLOGY 1 ## 2nd QUARTER EXAMINATION ### First Semester, SY 2023 - 2024 **PART I. MULTIPLE CHOICE** **DIRECTIONS:** Select the letter of the BEST answer from the given choices. Shade the circle of the letter of your choice. (50 Points). 1. What is the releasing and gaining of phosphate...

# GENERAL BIOLOGY 1 ## 2nd QUARTER EXAMINATION ### First Semester, SY 2023 - 2024 **PART I. MULTIPLE CHOICE** **DIRECTIONS:** Select the letter of the BEST answer from the given choices. Shade the circle of the letter of your choice. (50 Points). 1. What is the releasing and gaining of phosphate to generate energy in a continuous process? A. Carbon-Oxygen B. Water C. ATP-ADP D. Phosphate 2. Which of the following is considered the ultimate source of energy by all organisms? A. Food B. Sugar C. Sun D. Water 3. What do we call organisms that can produce their own food? A. Autotrophs B. Heterotrophs C. Detritovores D. Decomposers 4. What do autotrophs use in producing glucose or sugar? A. NAD+ B. Water C. Methane D. Oxygen 5. What does the energy pyramid imply in the passing of energy? ![Energy Pyramid]() * A. Flow of the energy decreases as it reaches the base. * B. Flow of energy decreases as it reaches the top. * C. Flow of energy increases as it reaches the top. * D. Flow of energy remains as it reaches the base. 6. Which of the following holds the adenosine and 3 phosphate groups together? A. Phosphodiester B. Phospho-anhydride C. Covalent bond D. Electromagnetic 7. Which is the main function of hemoglobin? A. It gives red color to the blood. B. It supports the visual capacity of the eyes C. It captures light during photosynthesis. D. It transports oxygen around the body. 8. Which of the following describes carotenoids? A. It has an insoluble property. B. It has stable ring shaped-molecule C. Most abundant pigment D. It has water soluble property. 9. Miner ate a harvested carrot. Theoretically, if the carrot contains 1000Kcal from the sun, how much energy will he receive? A. 100Kcal B. 10Kcal C. 1Kcal D. 0.01Kcal 10. Which of the following is mismatched? A. Endergonic - phosphate gained B. Exergonic - phosphate released C. Endergonic - phosphate added D. Exergonic- phosphate consumed 11. Which is TRUE about the "Law of Conservation of Energy"? A. Energy is created and destroyed through physical, chemical, and biological means. B. Energy is neither created nor destroyed but can be transformed from one to another. C. Energy is created, destroyed and can be recreated from its old form to a new form D. Energy is destroyed but can be recreated transforming from one form to another.