Study

SCIENCE 7-UNIT 1.3

  •   0%
  •  0     0     0

      Back   Restart
  • Where are palisade cells found?
    b. In the leaves of plants
    a. In the roots of plants
    c. In the flowers of plants
  • What are the tiny hair-like threads on ciliated cells called?
    b. Cilia
    c. Pigment
    a. Mucus
  • What does chlorophyll do in palisade cells?
    a. Absorbs energy from sunlight
    b. Stores nutrients
    c. Produces oxygen
  • What is the function of palisade cells?
    c. To support the plant structure
    a. To absorb water
    b. To make food by photosynthesis
  • What does the mucus in our airways trap when we breathe in?
    b. Water
    c. Food particles
    a. Dust and bacteria
  • What gives red blood cells their red color?
    a. Hemoglobin.
    b. Chlorophyll.
    c. Nucleus.
  • What is the function of root hair cells?
    a. To produce food
    b. To absorb water from the soil
    c. To store nutrients
  • Where are root hair cells found?
    b. On the outside of plant roots
    c. Inside the stem of plants
    a. On the leaves of plants
  • Where do cilia push the mucus to after trapping dust and bacteria?
    c. To the brain
    b. Back to the mouth
    a. To the stomach
  • What characteristic of root hair cells helps them absorb water?
    b. Their thick cell wall
    a. Their large size
    b. Their large cell wall
    c. Their long thin extension
  • What are dendrites?
    b. Long strands of cytoplasm
    c. Cell nuclei
    a. Short strands of cytoplasm
  • What do cilia help to sweep away?
    c. Mucus and dust
    b. Blood
    a. Oxygen
  • What is an axon?
    b. A very long strand of cytoplasm
    a. A short strand of cytoplasm
    c. A cell membrane
  • What is the function of neurones in the body?
    b. To communicate signals between different body parts
    c. To produce energy
    a. To transport oxygen
  • What does hemoglobin in red blood cells do?
    b. Produces energy.
    a. Transports oxygen.
    c. Fights infections.
  • What do neurones carry from one part of the body to another?
    a. Blood
    c. Hormones
    b. Electrical signals
  • What do palisade cells contain a lot of?
    b. Nuclei
    a. Mitochondria
    c. Chloroplasts
  • What is the primary function of red blood cells?
    a. To fight infections.
    c. To digest food.
    b. To deliver oxygen.
  • What can neurones carry signals from the brain to muscles to do?
    b. Heal the muscles
    a. Make the muscles move
    c. Relax the muscles
  • What allows red blood cells to pass easily through tiny blood vessels?
    a. Their small size.
    c. Their large size.
    b. Their thick walls.
  • What makes red blood cells smaller than most other cells?
    c. They contain more hemoglobin.
    b. They have no nucleus.
    a. They have a thick cell wall.
    • Your experience on this site will be improved by allowing cookies.