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WorksheetsScience S.A 2 Reviewer
Total questions: 15
Worksheet time: 9mins
All living things or organisms are made of Cells.
Always TRUE
Sometimes TRUE
Never TRUE
Eukaryotic cells have cell wall.
Always TRUE
Sometimes TRUE
Never TRUE
Prokaryotes are always unicellular or single celled organisms.
ALWAYS True
SOMETIMES True
NEVER True
An organism is a plant cell if it has a cell membrane.
ALWAYS True
SOMETIMES True
NEVER True
All cells contain DNA or genetic material.
ALWAYS True
SOMETIMES True
NEVER True
Dudong is observing a cell under a laboratory microscope. After noting its structure, he sketched the cell as shown below. What can Dudong infer about this cell?
It is a Virus
It is a Bacteria
It is a Fungi
It is a Plant Cell
Below is an image of plant cell. Which among the following are special or unique parts of a plant cell?
Cell membrane and Cytoplasm
Ribosomes and Endoplasmic Reticulum
Chloroplast and Central Vacuole
Nucleus and Mitochondria
Why do plant cells have larger vacuole?
To store DNA
To make proteins
To store water and sugar
To generate energy or ATP
Which among the following is a characteristic of Prokaryotes?
They have membrane bound organelles
They are larger in size
They do not have a nucleus
They are multicellular
Which of the following is found in an animal cell but NOT in a plant cell?
Cell Wall
Choloroplast
Centriole
Nucleus
The following structures are found in animal cells, EXCEPT one:
Vacuole
Centriole
Cell wall
Mitochondria
Why is the cell called the basic unit of life?
Because it can grow in length.
Because each cell can breathe in carbon dioxide like every other organism.
Because a cell is has the capacity to convert nutrients into energy
Because a cell spontaneously arose by chance
Viruses attack and infect human cells. Once a host human cell is infected, the virus will control its processes to generate other virus-infected cells. Which is TRUE about viruses?
Viruses are not living things because they do not have a DNA.
Viruses are living things because they came from previously existing cells .
Viruses are not living things because they don’t have the capacity to reproduce on their own so they need a host cell to reproduce.
Viruses are living things because they are cells.
Which among the statements are NOT supported by the modern cell theory?
I. All organisms are capable of making their own food.
II. All organisms are made of cells.
III. No cell came from previously existing cells.
I and III
II and III
II only
I and II
Which of the following organelle is found both in a plant cell and in an animal cell but is different in size?
Vacuole
Nucleus
Mitochondria
Cell wall
