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Early Year 9 Biology Quiz

Rachael A 13 Fragen 1,0 (1 Bewertung)

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  1. 1I want to light a bunsen on safety flame. What position should the "hole" be?
    1. AThe hole should be open to increase air flow
    2. BThe hole should be closed to decrease air flow
    3. CThe hole should be in the half way position
  2. 2Which of the following are organs?
    1. ANeurone
    2. BStomach
    3. CEye
    4. DMuscle
  3. 3Which features will you only find in plant cells?
    1. AChloroplasts
    2. BNucleus
    3. CRibosomes
    4. DCellulose Cell Wall
  4. 4Which features will you find in a bacterial cell?
    1. ANucleus
    2. BCircular DNA
    3. CRIbosomes
    4. DMitochondria
  5. 5What is the role of the mitochondria
    1. ATo produce energy for the cell
    2. BTo release energy from food molecules
    3. CPerforms aerobic respiration to produce ATP for energy
  6. 6How many micrometers are in a meter?
    1. A1000
    2. B100
    3. C1000,000
    4. D10,000
  7. 7I measured the size of a root hair cell under the microscope. It was 4cm. My magnification was 400x. How big is the actual root hair cell?
    1. A10mm
    2. B0.1mm
    3. C1000 um
    4. D100um
  8. 8The red blood cell is an example of a specialised animal cell. How is specialised to carry oxygen to respiring tissues?
    1. ALarge surface area to volume ratio because of its biconcave shape
    2. BNo organelles so it can carry lots of haemoglobin
    3. CRed in colour to increase the rate of diffusion
    4. DSmall and flexible to fit into the smallest capillaries
  9. 9The root hair cells of plants are specialised cells. Which of the following describes their adaptation to function?
    1. ALong and thin to help absorb water from between fine soil particles
    2. BLarge surface area to volume ratio to increase rate of diffusion of water into the cell
    3. CHave stomata which open and close to control movement of gases in and out
  10. 10Define diffusion
    1. ARandom movement of molecules from a low to a high concentration
    2. BRandom movement of molecules from a high to low concentration
    3. CRandom movement of molecules against a concentration gradient

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Beschreibung
Touches on some GCSE/IGCSE topics
Sprache
English
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458
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