7th Grade Science True Or False Quiz
Do you feel confident that you have studied enough for all the subjects you have been taking to ensure you get the highest score? This is a simple 7th Grade Science True Or False Quiz. The end of the school year is upon us, and those signals are the end-year exams. Why don't you take up this quiz and prove that you are while at the same time getting some revision done? All the best, and share them with your classmates.
- 1.
Each seed of a plant contains a tiny, new plant called a chrysalis.
- A.
True
- B.
False
Correct Answer
B. FalseExplanation
The statement is incorrect. Each seed of a plant contains a tiny, new plant called an embryo, not a chrysalis. A chrysalis is the pupal stage in the life cycle of some insects, such as butterflies, and is not found within plant seeds.Rate this question:
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- 2.
If pollen is passed from flower to flower, pollination occurs.
- A.
True
- B.
False
Correct Answer
A. TrueExplanation
When pollen is transferred from one flower to another, it results in pollination. This process is essential for the reproduction of flowering plants, as it allows the transfer of male gametes (contained in the pollen) to the female reproductive organs of the flowers. This transfer can occur through various means, such as wind, water, or the activity of animals like bees or butterflies. Therefore, the statement "If pollen is passed from flower to flower, pollination occurs" is correct.Rate this question:
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- 3.
Around day two, the plant begins to turn to reproduction, shifting from stem and leaf growth to flower development.
- A.
True
- B.
False
Correct Answer
B. FalseExplanation
The given statement suggests that around day two, the plant starts focusing on flower development instead of stem and leaf growth. However, this statement is false. Plants do not begin flower development around day two. Flower development occurs at a later stage in the plant's life cycle, after it has undergone sufficient growth and development of stems and leaves.Rate this question:
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- 4.
Pollen that lands on the tip of another flower's pistil grows a tube down into the pistil, where the eggs are housed.
- A.
True
- B.
False
Correct Answer
A. TrueExplanation
When pollen lands on the tip of another flower's pistil, it grows a tube down into the pistil. This tube allows the pollen to reach the eggs, which are housed within the pistil. Therefore, the statement is true.Rate this question:
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- 5.
A plant that completes its life cycle in one growing season. It will grow, flower, set seed, and die.
- A.
True
- B.
False
Correct Answer
A. TrueExplanation
The given statement describes an annual plant, which is a type of plant that completes its life cycle in one growing season. This means that the plant will grow, produce flowers, set seeds, and then die within a year. Therefore, the correct answer is True.Rate this question:
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- 6.
Acids taste sour. True or false?
- A.
True
- B.
False
Correct Answer
A. TrueExplanation
Acids taste sour because they release hydrogen ions when dissolved in water, which stimulates the taste buds on our tongue. This sour taste is commonly associated with acidic substances, such as lemon juice or vinegar. Therefore, the statement "Acids taste sour" is true.Rate this question:
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- 7.
The remains of once-living organisms are known as meteorites.
- A.
True
- B.
False
Correct Answer
B. FalseExplanation
The given statement is false. The remains of once-living organisms are not known as meteorites. Meteorites are actually fragments of asteroids or comets that have survived their journey through the Earth's atmosphere and have landed on the Earth's surface. The remains of once-living organisms are typically referred to as fossils.Rate this question:
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- 8.
XX is the combination of sex chromosomes to produce a female child. True or false?
- A.
True
- B.
False
Correct Answer
A. TrueExplanation
In humans, the combination of sex chromosomes XX typically leads to the development of a female child. This is because females inherit one X chromosome from each parent. On the other hand, males inherit one X chromosome from their mother and one Y chromosome from their father, resulting in the XY combination. Therefore, the statement that XX is the combination of sex chromosomes to produce a female child is true.Rate this question:
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- 9.
The speed of light is faster than the speed of sound. True or false?
- A.
True
- B.
False
Correct Answer
A. TrueExplanation
The statement "The speed of light is faster than the speed of sound" is true. This is because light travels at a speed of approximately 299,792 kilometers per second in a vacuum, while sound travels at a much slower speed of about 343 meters per second in dry air at 20 degrees Celsius. Therefore, light is significantly faster than sound.Rate this question:
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- 10.
Water starts boiling at 200 degrees Celcius temperature. True or false?
- A.
True
- B.
False
Correct Answer
B. FalseExplanation
The statement is false. Water starts boiling at 100 degrees Celsius temperature, not 200 degrees Celsius.Rate this question:
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Mar 21, 2023Quiz Edited by
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Apr 27, 2011Quiz Created by
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