Q2 - MATHEMATICS LONG QUIZ & REVIEWER

Test I. Direction: Encircle the letter of the correct answer.

 

1. What is the primary function of the respiratory system?

   A. Pump blood throughout the body

   B. Break down food for energy

   C. Exchange oxygen and carbon dioxide

   D. Support and move the body

2. Which system is responsible for protecting the body from external harm, such as cuts and infections?

   A. Digestive system

   B. Integumentary system

   C. Circulatory system

   D. Musculo-skeletal system

3. What is the main role of the digestive system?

   A. Control body movements

   B. Filter waste from the blood

   C. Break down food for nutrients

   D. Transmit electrical signals in the body

4. Which two systems work together to provide oxygen to the body's cells and remove waste products?

   A. Musculo-skeletal and circulatory systems

   B. Nervous and respiratory systems

   C. Digestive and excretory systems

   D. Integumentary and nervous systems

5. What is the purpose of the nervous system in the human body?

   A. Pump blood and transport nutrients

   B. Support and protect internal organs

   C. Control and coordinate body activities through signals

   D. Break down and absorb nutrients from food

6. What is a key characteristic that distinguishes vertebrates from invertebrates?

   A. Presence of a backbone

   B. Number of legs

   C. Type of habitat

   D. Coloration of the skin

7. Which of the following is an example of an invertebrate?

   A. Fish

   B. Snake

   C. Butterfly

   D. Dog

8. What do vertebrates have that helps them move and support their bodies?

   A. Exoskeleton

   B. Antennae

   C. Endoskeleton

   D. Gills

9. Which group includes animals like spiders, insects, and crabs?

   A. Mammals

   B. Birds

   C. Amphibians

   D. Invertebrates

10. What is a common characteristic of vertebrates that allows them to sense their environment?

    A. Scales

    B. Feathers

    C. Fins

    D. Well-developed sense organs

11. What is a common feature of both tropical rainforests and coral reefs?

    A. Extreme temperatures

    B. Abundant sunlight

    C. Harsh desert conditions

    D. Snow-covered landscapes

12. Which ecosystem is characterized by trees, high rainfall, and high biodiversity?

    A. Coral reefs

    B. Mangrove swamps

    C. Tropical rainforests

    D. Tundra regions

13. Why are coral reefs important ecosystems?

    A. They provide habitat for marine life

    B. They are rich in oil resources

    C. They have extreme temperatures

    D. They support desert vegetation

14. What is a key role of mangrove swamps in coastal areas?

    A. Providing suitable conditions for cacti

    B. Acting as a barrier against hurricanes

    C. Supporting cold-water species

    D. Hosting polar bear habitats

15. Why is it crucial to protect and conserve tropical rainforests, coral reefs, and mangrove swamps?

    A. They are not important for the environment

    B. They contribute to climate change

    C. They provide valuable resources and biodiversity

    D. They are easily replaceable ecosystems

16. How does the circulatory system contribute to the overall well-being of the body?

    A. By breaking down food for energy

    B. By exchanging oxygen and carbon dioxide

    C. By supporting and moving the body

    D. By pumping blood throughout the body

 

17. In what way does the digestive system interact with the circulatory system?

    A. By exchanging oxygen and carbon dioxide

    B. By transmitting electrical signals in the body

    C. By breaking down food for nutrients

    D. By supporting and moving the body

18. What is the primary function of the respiratory system, and how does it relate to the nervous system?

    A. The respiratory system controls body movements, while the nervous system exchanges oxygen and carbon dioxide.

    B. The respiratory system breaks down food for nutrients, while the nervous system pumps blood throughout the body.

    C. The respiratory system exchanges oxygen and carbon dioxide, while the nervous system controls and coordinates body activities through signals.

    D. The respiratory system supports and moves the body, while the nervous system filters waste from the blood.

19. How do vertebrates and invertebrates differ in terms of their skeletal structure?

    A. Vertebrates have an exoskeleton, while invertebrates have an endoskeleton.

    B. Vertebrates have a soft body, while invertebrates have a hard shell.

    C. Vertebrates have an endoskeleton, while invertebrates have an exoskeleton.

    D. Vertebrates and invertebrates have the same type of skeletal structure.

20. What is a characteristic feature of vertebrates that helps them adapt to different environments?

    A. Exoskeleton

    B. Gills

    C. Backbone

    D. Antennae

21. How do invertebrates protect themselves from predators in the wild?

    A. By having a backbone for support

    B. By using camouflage and protective shells

    C. By relying on their strong muscles for defense

    D. By having a well-developed sense of smell

22. Which group includes animals like fish, mammals, and reptiles?

    A. Invertebrates

    B. Amphibians

    C. Vertebrates

    D. Birds

23. What role does the exoskeleton play in the lives of many invertebrates?

    A. It provides support and structure to the body.

    B. It helps in swimming and floating.

    C. It assists in flying and gliding.

    D. It allows for efficient gas exchange.

24. How do living and non-living elements interact in tropical rainforests to create a balanced ecosystem?

    A. Living things rely on non-living elements for energy, while non-living things benefit from the waste produced by living organisms.

    B. Living things in the rainforest do not interact with non-living elements.

    C. Non-living elements, such as rocks and water, control the behavior of living organisms in the rainforest.

    D. Living and non-living elements do not have any interdependence in tropical rainforests.

25. Why is it important to protect and conserve coral reefs, and how do human activities impact these ecosystems negatively?

    A. Coral reefs are not essential for the environment; human activities enhance their health and biodiversity.

    B. Protecting coral reefs is unnecessary since they thrive in polluted waters.

    C. Human activities, such as overfishing and pollution, can harm coral reefs and lead to the loss of biodiversity.

    D. Coral reefs are naturally resistant to human impacts, so conservation efforts are not required.

26. How does the circulatory system contribute to the overall function of the digestive system?

    A. By providing structural support

    B. By exchanging oxygen and carbon dioxide

    C. By pumping blood throughout the body

    D. By breaking down food for nutrients

27. Explain the interdependence between the nervous system and the musculo-skeletal system in performing physical activities.

    A. The nervous system provides structural support, allowing the musculo-skeletal system to move efficiently.

    B. The musculo-skeletal system transmits electrical signals, controlling and coordinating body activities through the nervous system.

    C. The nervous system and musculo-skeletal system are not interconnected in physical activities.

    D. The musculo-skeletal system pumps blood, supporting the nervous system during physical activities.

28. Analyze how the respiratory system and the excretory system work together to maintain the body's balance.

    A. The respiratory system filters waste from the blood, supporting the excretory system in waste elimination.

    B. The excretory system exchanges oxygen and carbon dioxide, maintaining the respiratory system's balance.

    C. The respiratory system removes waste gases, while the excretory system filters and eliminates liquid waste, jointly regulating the body's internal environment.

    D. The respiratory system and excretory system have no interdependence in maintaining the body's balance.

29. Compare and contrast the skeletal structures of vertebrates and invertebrates, highlighting one major difference between the two.

    A. Vertebrates and invertebrates have identical skeletal structures.

    B. Vertebrates have an exoskeleton, while invertebrates have an endoskeleton.

    C. Vertebrates have a backbone, while invertebrates lack a backbone.

    D. Both vertebrates and invertebrates possess an exoskeleton.

30. Analyze how the type of habitat influences the characteristics of vertebrates and invertebrates. Provide one example for each.

    A. The type of habitat does not impact the characteristics of vertebrates and invertebrates.

    B. Vertebrates in aquatic habitats have gills, while invertebrates in deserts have an exoskeleton.

    C. Vertebrates in forests have feathers, while invertebrates in oceans have scales.

    D. Vertebrates in deserts have fur, while invertebrates in rainforests have a hard shell.

31. Examine the role of the backbone in vertebrates and explain why it is crucial for their survival.

    A. Vertebrates can survive without a backbone.

    B. The backbone provides support and structure to the body, enabling vertebrates to move and perform various activities.

    C. Vertebrates rely on the backbone for camouflage in their natural habitats.

    D. The backbone is only important for invertebrates, not vertebrates.

32. Investigate the ways in which invertebrates adapt to their environments, focusing on one specific adaptation.

    A. Invertebrates do not need to adapt to their environments.

    B. Invertebrates adapt by developing a backbone.

    C. Invertebrates use camouflage as a method of adaptation.

    D. Invertebrates adapt by changing their diet.

33. Analyze the significance of the invertebrate group in maintaining biodiversity in various ecosystems.

    A. Invertebrates do not play a role in maintaining biodiversity.

    B. Invertebrates contribute to biodiversity by providing food for vertebrates.

    C. Invertebrates help maintain biodiversity through their interactions with plants and other animals in ecosystems.

    D. Vertebrates are solely responsible for maintaining biodiversity in ecosystems.

34. Examine the role of plants in tropical rainforests in sustaining the overall ecosystem, and explain how they interact with both living and non-living elements.

    A. Plants in tropical rainforests have no impact on the ecosystem.

    B. Plants provide habitat for animals and stabilize soil, interacting with both living and non-living elements.

    C. Plants only interact with living elements, such as animals, in tropical rainforests.

    D. Plants in tropical rainforests solely rely on non-living elements for survival.

35. Analyze the consequences of human activities on coral reefs, considering both the living and non-living components of the ecosystem.

    A. Human activities have no impact on coral reefs.

    B. Human activities, such as overfishing and pollution, can harm coral reefs, affecting both living organisms and the non-living environment.

    C. Coral reefs are immune to the negative effects of human activities.

    D. Human activities only impact the non-living components of coral reefs, leaving the living organisms unharmed.

36. Apply your knowledge of the musculo-skeletal system to explain how bones and muscles work together during a simple physical activity like running.

    A. Muscles provide structural support, while bones transmit electrical signals.

    B. Bones pump blood, and muscles break down food for energy during running.

    C. Muscles and bones work together to provide support and movement during running.

    D. Running has no impact on the musculo-skeletal system.

37. Apply your understanding of vertebrates to explain how a bird's wing structure supports its ability to fly.

    A. Bird wings have no impact on their ability to fly.

    B. The wing structure of birds provides structural support for walking.

    C. The wing structure of birds is adapted for flight, allowing them to soar through the air.

    D. Birds use their wing structure to anchor themselves to the ground.

38. Use your knowledge of invertebrates to describe how the exoskeleton serves as a protective feature for certain insects.

    A. Insects do not have an exoskeleton.

    B. The exoskeleton of insects provides support for swimming.

    C. The exoskeleton of insects is crucial for protection against predators and environmental conditions.

    D. Insects use their exoskeleton to exchange oxygen and carbon dioxide.

39. Apply your understanding of the characteristics of vertebrates and invertebrates to identify and classify a snake as either a vertebrate or an invertebrate.

    A. Snakes are neither vertebrates nor invertebrates.

    B. Snakes are vertebrates because they have a backbone.

    C. Snakes are invertebrates because they lack a backbone.

    D. Snakes are classified based on their habitat, not their skeletal structure.

40. Apply your knowledge of the importance of protecting ecosystems to suggest one action that individuals can take to contribute to the conservation of tropical rainforests, coral reefs, or mangrove swamps.

    A. Use plastic products extensively to support local economies.

    B. Avoid recycling to encourage the natural decomposition of waste.

    C. Plant more non-native species in these ecosystems for variety.

    D. Participate in community efforts to reduce deforestation, pollution, or overfishing in these environments.

41. Evaluate the significance of the backbone in vertebrates and compare its role to other skeletal structures found in invertebrates.

    A. The backbone is essential only for vertebrates, providing no advantage over invertebrate skeletal structures.

    B. The backbone is equally important in vertebrates and invertebrates for structural support and movement.

    C. Invertebrates' skeletal structures are more efficient than backbones in providing support and flexibility.

    D. The backbone is crucial for vertebrates, offering advantages in movement and adaptability compared to invertebrates.

42. Assess the adaptations of invertebrates in different environments, considering how their exoskeletons may be advantageous or limiting in specific habitats.

    A. Invertebrates adapt uniformly to all environments, and their exoskeletons have no impact on their success.

    B. The exoskeleton is universally advantageous for invertebrates in all habitats.

    C. Evaluate how the exoskeleton may provide advantages or limitations to invertebrates in diverse habitats.

    D. Invertebrates do not need to adapt, as their exoskeletons offer universal protection.

43. Examine the role of vertebrates and invertebrates in maintaining ecological balance and biodiversity within various ecosystems.

    A. Vertebrates play a minimal role in maintaining biodiversity compared to invertebrates.

    B. Both vertebrates and invertebrates contribute equally to maintaining ecological balance.

    C. Evaluate the specific contributions of vertebrates and invertebrates in preserving biodiversity within ecosystems.

    D. Vertebrates have no impact on ecological balance, while invertebrates are crucial for biodiversity.

44. Evaluate the impact of human activities on vertebrate and invertebrate populations, considering both positive and negative effects on biodiversity.

    A. Human activities have no impact on vertebrate and invertebrate populations.

    B. Assess the overall positive impact of human activities on increasing biodiversity.

    C. Examine the negative consequences of human activities on both vertebrate and invertebrate populations, considering the potential loss of biodiversity.

    D. Human activities only affect vertebrates, leaving invertebrates unaffected by environmental changes.

45. Evaluate the ecological impact of introducing a non-native species into an ecosystem, considering the potential effects on both vertebrates and invertebrates.

    A. Introducing non-native species has no impact on vertebrates and invertebrates.

    B. Assess the overall positive effect of introducing non-native species on increasing biodiversity for both vertebrates and invertebrates.

    C. Evaluate the potential negative consequences of introducing non-native species on the populations of vertebrates and invertebrates, taking into account their specific adaptations and vulnerabilities.

    D. Vertebrates are unaffected by the introduction of non-native species, while invertebrates adapt easily to changes in their environment.

 

EXCHANGE PAPERS!

 

ANSWER KEY – SCIENCE 6A

 

**Test I. Answer Key:**

 

1. C. Exchange oxygen and carbon dioxide

2. B. Integumentary system

3. C. Break down food for nutrients

4. A. Musculo-skeletal and circulatory systems

5. C. Control and coordinate body activities through signals

6. A. Presence of a backbone

7. C. Butterfly

8. C. Endoskeleton

9. D. Invertebrates

10. D. Well-developed sense organs

11. B. Abundant sunlight

12. C. Tropical rainforests

13. A. They provide habitat for marine life

14. B. Acting as a barrier against hurricanes

15. C. They provide valuable resources and biodiversity

16. C. By supporting and moving the body

17. C. By breaking down food for nutrients

18. C. The respiratory system exchanges oxygen and carbon dioxide, while the nervous system controls and coordinates body activities through signals.

19. C. Vertebrates have an endoskeleton, while invertebrates have an exoskeleton.

20. C. Backbone

21. B. By using camouflage and protective shells

22. C. Vertebrates

23. A. It provides support and structure to the body.

24. A. Living things rely on non-living elements for energy, while non-living things benefit from the waste produced by living organisms.

25. C. Human activities, such as overfishing and pollution, can harm coral reefs and lead to the loss of biodiversity.

26. B. By exchanging oxygen and carbon dioxide

27. B. The musculo-skeletal system transmits electrical signals, controlling and coordinating body activities through the nervous system.

28. C. The respiratory system removes waste gases, while the excretory system filters and eliminates liquid waste, jointly regulating the body's internal environment.

29. C. Vertebrates have a backbone, while invertebrates lack a backbone.

30. B. Vertebrates in aquatic habitats have gills, while invertebrates in deserts have an exoskeleton.

31. B. The backbone provides support and structure to the body, enabling vertebrates to move and perform various activities.

32. C. Invertebrates use camouflage as a method of adaptation.

33. C. Invertebrates help maintain biodiversity through their interactions with plants and other animals in ecosystems.

34. B. Plants provide habitat for animals and stabilize soil, interacting with both living and non-living elements.

35. B. Human activities, such as overfishing and pollution, can harm coral reefs, affecting both living organisms and the non-living environment.

36. C. Muscles and bones work together to provide support and movement during running.

37. C. The wing structure of birds is adapted for flight, allowing them to soar through the air.

38. C. The exoskeleton of insects is crucial for protection against predators and environmental conditions.

39. B. Snakes are vertebrates because they have a backbone.

40. D. Participate in community efforts to reduce deforestation, pollution, or overfishing in these environments.

41. B. The backbone is equally important in vertebrates and invertebrates for structural support and movement.

42. C. Evaluate how the exoskeleton may provide advantages or limitations to invertebrates in diverse habitats.

43. C. Evaluate the specific contributions of vertebrates and invertebrates in preserving biodiversity within ecosystems.

44. C. Examine the negative consequences of human activities on both vertebrate and invertebrate populations, considering the potential loss of biodiversity.

45. C. Evaluate the potential negative consequences of introducing non-native species on the populations of vertebrates and invertebrates, taking into account their specific adaptations and vulnerabilities.

 

**Test II. Writing:**

 

**QUESTION:** What is the main distinction between the vertebrates and the invertebrates?

 

**YOUR ANSWER:** The main distinction between vertebrates and invertebrates is the presence of a backbone in vertebrates, providing structural support and movement, while invertebrates lack this skeletal feature.