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  • Question
  • 3 functions of the nervous system?


  • Correct Answer
  • The nervous system is the part of an animal that coordinates its actions by transmitting signals to and from different parts of its body In vertebrates it consists of two main parts, the central nervous system (CNS) and the peripheral nervous system (PNS) The CNS consists of the brain and spinal cord The PNS consists mainly of nerves, which are enclosed bundles of the long fibers or axons, that connect the CNS to every other part of the body The nervous system has three main functions: * To collect sensory input from the body and external environment * To process and interpret the sensory input * To respond appropriately to the sensory input 

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    General Science problems


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    • 1. In a plant cell, DNA may be found in

    • Options
    • A. only in the nucleus and mitochondria.
    • B. only in the nucleus and chloroplasts
    • C. in the nucleus, mitochondria, and chloroplasts.
    • D. only in the nucleus.
    • Discuss
    • 2. Which action is the best example of a direct observation?

    • Options
    • A. listening to a cricket chirp at night and counting the number of chirps per minute
    • B. determining the seal population of an island by counting seals in 10 square meters of the island
    • C. identifying which bird was present by the tracks that it leaves in the sand at a beach
    • D. reading numbers on a heat sensor to conclude that there is a deer in the night woods
    • Discuss
    • 3. What is the main component of bones and teeth?

    • Options
    • A. Calcium Phosphate
    • B. Calcium Carbonate
    • C. Calcium Nitrate
    • D. Calcium Sulphate
    • Discuss
    • 4. The longest period of prenatal development is the

    • Options
    • A. Germinal period
    • B. Fetal period
    • C. Embryonic period
    • D. None
    • Discuss
    • 5. Plants synthesis protein from

    • Options
    • A. amino acids
    • B. starch
    • C. fatty acids
    • D. sugar
    • Discuss
    • 6. What organelle is responsible for photosynthesis?

    • Options
    • A. mitochondria
    • B. Cytoplasm
    • C. Chloroplasts
    • D. Ribosomes
    • Discuss
    • 7. Heat transfer horizontally within the atmosphere is called

    • Options
    • A. Convection
    • B. Advection
    • C. Conduction
    • D. Absorption
    • Discuss
    • 8. Plants developing in dry conditions are

    • Options
    • A. lithophytes
    • B. hydrophytes
    • C. mesophytes
    • D. xerophytes
    • Discuss
    • 9. While landing what type of tyres are used in an Aircraft?

    • Options
    • A. Water tubed
    • B. Thick tubed
    • C. Tubeless
    • D. Thin tubed
    • Discuss
    • 10. Which part of the brain is responsible for memory?

    • Options
    • A. Cerebellum
    • B. Medulla Oblongata
    • C. Cerebrum
    • D. All of the above
    • Discuss


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