Wee Beasties- Before And After Test
Pre and post assessment for Wee Beasties.
Questions and Answers
- 1.
The three basic parts of a plant are:
- A.
flower, stem, and pollen
- B.
Pistil, stamen, roots
- C.
Radius, ulna, tibia
- D.
leaves, stem, roots
Correct Answer
D. leaves, stem, rootsExplanation
The three basic parts of a plant are leaves, stem, and roots. Leaves are responsible for photosynthesis, where plants convert sunlight into energy. The stem provides support for the plant and transports water, nutrients, and sugars between the roots and leaves. Roots anchor the plant in the ground and absorb water and nutrients from the soil. These three parts are essential for the survival and growth of a plant.Rate this question:
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- 2.
Food, shelter, clothing, and love are:
- A.
The four basic needs of humans
- B.
The most popular items sold on eBay
- C.
The four basic needs of bacteria
- D.
A popular band from the 1960s
Correct Answer
A. The four basic needs of humansExplanation
Food, shelter, clothing, and love are considered the four basic needs of humans. These needs are essential for human survival and well-being. Food provides the necessary nutrients and energy for the body, shelter protects individuals from the elements and provides a safe space, clothing offers protection and comfort, and love fulfills emotional and social needs. These four needs are fundamental for human existence and are universally recognized as essential for a healthy and fulfilling life.Rate this question:
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- 3.
What tool do scientists use to examine really small objects?
- A.
an overhead projector
- B.
a hand lens
- C.
A microscope
- D.
A pair of glasses
Correct Answer
C. A microscopeExplanation
Scientists use a microscope to examine really small objects. A microscope is a tool that uses lenses and light to magnify and visualize objects that are too small to be seen with the naked eye. It allows scientists to study the details and structures of microscopic organisms, cells, and particles, enabling them to make observations and conduct research in various scientific fields such as biology, medicine, and chemistry. An overhead projector, a hand lens, and a pair of glasses are not suitable tools for examining really small objects.Rate this question:
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- 4.
Which of the following is one way all living things meet their basic needs to stay alive?
- A.
Move from one place to another by walking
- B.
Sleep when they’re tired.
- C.
Get rid of body waste.
- D.
None of the above.
Correct Answer
C. Get rid of body waste.Explanation
All living things need to get rid of body waste in order to maintain their health and survival. This process is essential for removing toxins and waste products from the body, ensuring that the internal environment remains balanced and functional. Failure to eliminate waste can lead to the buildup of harmful substances, which can be detrimental to an organism's overall well-being. Therefore, getting rid of body waste is a crucial way for all living things to meet their basic needs and stay alive.Rate this question:
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- 5.
Green plants can do something that animals cannot. Write the letter of the correct choice in the blank.
- A.
Grow a foot in one day
- B.
create their own food from sunlight
- C.
Lose body parts and stay alive
- D.
Hibernate
Correct Answer
B. create their own food from sunlightExplanation
Green plants have the unique ability to perform photosynthesis, a process where they convert sunlight, water, and carbon dioxide into glucose (sugar) and oxygen. This ability allows them to create their own food from sunlight, which is not possible for animals. Animals, on the other hand, rely on consuming other organisms for their nutritional needs. Therefore, the correct answer is "create their own food from sunlight".Rate this question:
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- 6.
The basic unit of structure and function of all living things is called a(n)
- A.
Building block.
- B.
Cell
- C.
Nucleus
- D.
Atom
Correct Answer
B. CellExplanation
A cell is the basic unit of structure and function of all living things. It is the smallest unit of life that can perform all the necessary functions of an organism, such as metabolism, reproduction, and response to stimuli. Cells are the building blocks of life, as they can combine to form tissues, organs, and ultimately entire organisms. The other options, such as nucleus and atom, are not the correct answers as they do not encompass the entirety of a living organism's structure and function.Rate this question:
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- 7.
To magnify means to
- A.
make something appear clearer.
- B.
make something appear larger.
- C.
make something appear smaller.
- D.
Make something appear blurry.
Correct Answer
B. make something appear larger.Explanation
The correct answer is "make something appear larger." When you magnify something, you are increasing its size or scale, making it appear bigger than it actually is. This can be done using tools such as magnifying glasses, microscopes, or zoom functions on digital devices. Magnification is commonly used in various fields, such as science, photography, and technology, to enhance visibility and details of objects or images.Rate this question:
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- 8.
To focus means to
- A.
Make something appear clearer.
- B.
make something appear larger.
- C.
make something appear smaller.
- D.
Make something appear blurry.
Correct Answer
A. Make something appear clearer.Explanation
To focus means to make something appear clearer. When we focus on something, we bring it into sharp and clear focus, allowing us to see it more clearly. This can be done by adjusting the lens of a camera or the focus of our eyes. By focusing, we enhance the clarity and detail of the object or subject we are looking at, making it easier to perceive and understand.Rate this question:
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- 9.
A living thing is called
- A.
An organism.
- B.
A cytoplasm.
- C.
a prey.
- D.
metamorphic.
Correct Answer
A. An organism.Explanation
The correct answer is "an organism" because it is the term used to describe a living thing. It encompasses all living entities, including plants, animals, and microorganisms. "Cytoplasm" refers to the jelly-like substance inside cells, "prey" refers to an animal that is hunted and killed by another for food, and "metamorphic" refers to a process of transformation or change.Rate this question:
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- 10.
A piece of clear material that bends or refracts light rays passing through it is a
- A.
Laser.
- B.
Microscope.
- C.
Lens.
- D.
Cell.
Correct Answer
C. Lens.Explanation
A lens is a piece of clear material that can bend or refract light rays as they pass through it. It is used in various optical devices such as cameras, telescopes, and eyeglasses to focus or diverge light. Unlike a laser, which amplifies and emits a narrow beam of light, a lens is primarily used for manipulating the path of light. A microscope is an optical instrument that uses lenses to magnify small objects, while a cell is a basic unit of life and not related to the bending or refracting of light.Rate this question:
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- 11.
An instrument which uses two lenses or more for magnifying an object is
- A.
A compound microscope.
- B.
A simple microscope.
- C.
A hand lens.
- D.
A graduated cylinder.
Correct Answer
A. A compound microscope.Explanation
A compound microscope is an instrument that uses two lenses or more to magnify an object. This type of microscope is commonly used in scientific research and laboratory settings. It provides higher magnification and resolution compared to a simple microscope or a hand lens. A graduated cylinder, on the other hand, is a cylindrical container used for measuring liquid volume and is not related to magnifying objects.Rate this question:
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- 12.
Which of these are living things?
- A.
plastic wrap, kitchen sponge, star
- B.
Sun, static electricity, cotton
- C.
Sunflower, ladybug, sea sponge
- D.
Water, coral, seaweed
Correct Answer
C. Sunflower, ladybug, sea spongeExplanation
The correct answer is sunflower, ladybug, and sea sponge. These three options are living things because they exhibit characteristics of life such as growth, reproduction, and response to stimuli. Plastic wrap, kitchen sponge, star, sun, static electricity, cotton, water, coral, and seaweed are not living things as they do not possess these characteristics.Rate this question:
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- 13.
A living thing made of more than one cell is called
- A.
Single celled.
- B.
Multi-cellular.
- C.
Convex celled.
- D.
compound celled.
Correct Answer
B. Multi-cellular.Explanation
A living thing made of more than one cell is called multi-cellular because "multi" means many or more than one, and "cellular" refers to cells. Therefore, the term "multi-cellular" accurately describes an organism that is composed of multiple cells.Rate this question:
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- 14.
A brown mouse and a white mouse mate. What might their children look like?
- A.
All four are brown.
- B.
Three are brown and one is white.
- C.
Both A and B are possible.
- D.
None of the above.
Correct Answer
C. Both A and B are possible.Explanation
When a brown mouse and a white mouse mate, their children can inherit different combinations of genes from their parents. If the brown mouse is homozygous dominant (BB) and the white mouse is homozygous recessive (bb), then all of their offspring will be brown heterozygous (Bb). This would result in all four children being brown. However, if the brown mouse is heterozygous (Bb) and the white mouse is homozygous recessive (bb), then there is a 50% chance that each offspring will inherit the recessive white gene from the white mouse. This would result in three brown offspring and one white offspring. Therefore, both scenarios are possible.Rate this question:
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