Investigating Plant Growth_ end of Unit check

Suzy is growing sunflower seeds. She thinks that seeds will grow better in a bigger pot

she puts one seed into each of four different sized pots she puts them in the same warm place and waters them regularly after four days the seeds begin to grow she measures the height of the shoot every day.

What does Suzy do to make it a fair test?

Select one box.

• Measure the shoots

• put the pots in the same place

• measures each shoot on a different day

• uses four different pots

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Arshad's class germinated seeds under different conditions. Here are the results.

Do seeds need light for germination? Choose the right explanation.

• Yes. The seeds germinated well with Light

• NO. Although, the seeds, germinated in Light, the seeds germinated even more in dark. So we can say that seeds do not need light to germinate.

• Yes. The seeds need light to germinate as you can see 11 germinated.

• NO. The experiment does not tell us anything, but I know that seeds do not need light to germinate.

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Arshad's class had done an investigation with seeds. Here are the results. The seeds germinated both in dark and light and germinated more under dark and warm. Looking at the results, would you able to tell whether the seeds get water? How do you know this?

• No. The seeds did not get water. It is not mentioned.

• Yes. The seeds cannot germinate without water, water is a FACTOR for germination. Although, not mentioned, it is understood that the seeds got water.

• No. The seeds would die if water was added.

• Yes- The seeds got water may be because it was rainy season.

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What do you think is the possible missing factor for the poor growth in the plant?

• Water

• Light

• Soil

• AC

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What do you think caused the unhealthy state of the plant seen here?

• Lack of Sunlight

• Lack of Water

• Lack of AC

• Lack of Pots

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What did you enjoy the most in the topic of Investigation of Seeds and Plants. You can select more than one.

• Seed Germination process

• Photo synthesis

• Plant growth- Healthy vs. Unhealthy

• Factors for plant growth

• Flower to fruit

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When you are given 2 plants, and one grows better than the other, which one of the 2 would have grown in presence of sunlight?

• The one which is taller

• The one which has grown less.

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The green pigment that enables Photo-synthesis in plants is called

(a)  

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Which of these is NOT a way, to consider if the plant is healthy or not

• Height

• Number of leaves

• Colour of stem and leaves

• General appearance

• Colour of the soil

You are investigating to check factors for plant growth. What should you do to make a general conclusion ?

• Try with different plants

• Try with different plants and repeat the investigations

• One trial with one plant is enough

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