Science Grade 7
Here is a quiz for everyone in Grade 7 who is looking for a study review on some of the most difficult topics in my mind. Remember keep your mind open and think science :)
- 1.
What does the cell membrane do?
- A.
Allows foreign material to go in and out of the cell
- B.
Allows nutrients to go in and out of the cell and PREVENTS foreign material
- C.
Allows nutrients, sugars, waste and other unknown materials to come in and out of the cell
Correct Answer
B. Allows nutrients to go in and out of the cell and PREVENTS foreign material -
- 2.
What is the job of Cyptoplasm?
- A.
To hold genetic information
- B.
To support the cell from the inside
- C.
To carry on chemical reactions
Correct Answer
C. To carry on chemical reactions -
- 3.
The nucleas is the brain
- A.
True
- B.
False
Correct Answer
B. False -
- 4.
The nucleas is the _________
Correct Answer
part of the cell that hold genetic information
holds genetic information - 5.
What does the cell wall do?
- A.
Supports the cell from the outside
- B.
Keeps shape of the cell
- C.
Allows diffusion to happen
Correct Answer
B. Keeps shape of the cell -
- 6.
The chloroplast is specialised for the plant cells
- A.
True
- B.
False
Correct Answer
A. True -
- 7.
In a leaf what is the cell structure of specialised cells? and what do they do? (from top to bottom)
- A.
Cuticle, waxy layer on top of leaf to waterproof it. Upper epidermis, creates the cuticle and are clear so light can pass through. Palisade cells, absorbs sunlight for photosynthesis. Spongy Layer, allows carbon dioxide to come in and oxygen to go out. Lower Epidermis, contains guard cells and stomatas.
- B.
Upper Epidermis, has the carbon dioxide stored inside of it. Cuticle, absorbs sunlight for photosynthesis. Lower Epidermis, creates a waxy layer to waterproof the other cells inside the leaf. Palisade cells, clear cells that take sugars and nutrients around the plant.
- C.
Cuticle, waxy layer that waterproofs leaf. Upper Epidermis, clear cells that allow light through to the next layer of cells. Palisade cells, transports water away and to the leaf. Spongy layer, takes in carbon dioxide and oxygen. Lower Epidermis, contains guard cells and stomata's.
Correct Answer
A. Cuticle, waxy layer on top of leaf to waterproof it. Upper epidermis, creates the cuticle and are clear so light can pass through. Palisade cells, absorbs sunlight for photosynthesis. Spongy Layer, allows carbon dioxide to come in and oxygen to go out. Lower Epidermis, contains guard cells and stomatas. -
- 8.
The Vacuole stores excess sugars and supports the cell from the inside
- A.
True
- B.
False
Correct Answer
A. True -
- 9.
MRSGREN stands for ____________
Correct Answer
move, respiration, sense, grow, reproduce, excrete, nutrients
move, reproduce, sense, grow, excrete, nutrients - 10.
How is a Thrust Fault Mountain created?
- A.
Two tectonic plates will collide and fracture apart and stack on top of each other creating a mountain
- B.
I dont know, i am an epic fail
- C.
Two tectonic plates will come together and one will subduct under the other. The land will fold and create a mountain.
Correct Answer
C. Two tectonic plates will come together and one will subduct under the other. The land will fold and create a mountain. -
- 11.
An earthquake happens when 2 continental plates collide either through a NORMAL FAULT (when the land moves away from eachother) a REVERSE FAULT (when the land comes together) or a STRIKE/SLIP (when the land slides past eachother.
- A.
True
- B.
False
Correct Answer
A. True -
- 12.
I AM SMART WITH SCIENCE!
- A.
True
- B.
False
Correct Answer
A. True -
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Current Version
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Jan 28, 2013Quiz Edited by
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Jun 19, 2011Quiz Created by
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