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stuffs about biology

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m00072
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B4 Biology Stuffs

Frage 1 von 7

5

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When a cell loses water through , it becomes more . Eventually, the cell contents move the cell wall, and the cell becomes .

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Frage 2 von 7

2

Which of the following are often used to help stop food from going off?

Wähle eine oder mehr der folgenden:

  • Adding salt

  • Adding sugar

  • Canning the food

  • Removing water

  • Freezing the food

  • Adding vinegar

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Frage 3 von 7

2

Wähle von der Dropdown-Liste, um den Text zu vervollständigen.

Nitrates in plants are required for ( growth, photosythesis, respiration, plant bouyancy ) and making ( amino acids, ATP, cell walls, chlorophyll, ammonia in the Haber process ), without it plants ( grow poorly, grow tall, grow upside down ), with ( yellow, yellow-brown spotted, small, fragile, purple, no, majestic ) leaves.

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Frage 4 von 7

3

Phosphorous needed - without it, plants have leaves.
Potassium used - without it, plants have leaves.
Magnesium needed - without it, plants have leaves, especially at the .

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    discolored purple
    to make ATP
    in photosynthesis and respiration
    yellow/brown spotted
    to make chlorophyll
    yellow
    bottom
    for active transport
    only for photosynthesis
    to make starch
    to make cake
    pale green
    pink
    fragile
    small
    black
    no
    in reproduction

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Frage 5 von 7

1

Hydroponics is...

Wähle eine der folgenden:

  • a revolutionary idea of using water to grow crops

  • where plants are suspended in a glasshouse using sprayed-on minerals instead of through the soil

  • fish farming

  • a made up word

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Frage 6 von 7

1

What is the biggest problem with intensive fish farming?

Wähle eine der folgenden:

  • Diseases are spread quickly

  • The fish attack each other

  • The fish lose their freedom

  • There are no problems

  • Fish can bite through the nets

  • The fish are vulnerable to predators e.g. birds

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Frage 7 von 7

1

Xylem is used to transport , and phloem is used to transport .

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    water
    food
    sunlight
    milk
    the plant

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