1. The matured sex cell which takes part in sexual reproduction is referred to as
- A. gamete
- B. fetus
- C. embryo
- D. zygote
Reveal Answer
2. The biome that is characterized with large herbivores, few and scattered fire resistant trees is
- A. savanna
- B. tropical rain forest
- C. montane forest
- D. desert
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3. Red blood cells are also known as _________?
- A. erythrocytes
- B. thrombocytes
- C. phagocytes
- D. leucocytes
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4. The joint between the femur and tibia is known as ________?
- A. hinge joint
- B. ball-and-socket joint
- C. pivot joint
- D. gliding joint
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5. What is the primary function of cofactors?
- A. To aid in enzyme function
- B. To synthesize enzymes
- C. To inhibit enzymes
- D. To break down old enzymes
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6. 
Use the diagram above to answer the question that follow:
The diagram represents a
- A. hygrometer
- B. Wind vane
- C. Anemometer
- D. rain gauge
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7. Coloration of the eye is ______ variation
- A. physiological
- B. morphological
- C. adaptive
- D. recessive
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8. Which of the following choices correctly describes the composition of the cell membrane?
- A. contains only lipids
- B. contains lipids and protein
- C. contains lipids and cytosol
- D. contains only proteins
Reveal Answer
9. The feeding relationship among a set of members of a community is referred to as _______?
- A. a food web
- B. pyramid of energy
- C. a food chain
- D. pyramid of member
Reveal Answer
10. Nitrogen is released into the atmosphere when ________
- A. plants absorbs mineral salt
- B. sugar is completely broken down
- C. through plant uptake
- D. when lightning strike
Reveal Answer
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