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WorksheetsRevision Quiz/Grade 8
Total questions: 22
Worksheet time: 24mins
The cell wall is made of :
A. Chloroplast
B. Melanin
C. cellulose
D. Keratin
What is the function of cell membrane
A. Controls all the activities of the cell
B. For photosynthesis
C. To make proteins
D. Controls entry and exit of substances in cells
Function of cytoplasm in Root hair cell is
To hold the cell organelles
To make proteins
To control cell division in cells
To control movement of substances in and out of the cells
Which structures are only present in a plant cell
cell wall
Cell membrane
Cytoplasm
chloroplast
large permanent vacuole
Which organelle is the temporary storage center of the cell?
Cell membrane
Vacuole
Cytoplasm
Nucleus
Which organelle is also called as the "power house" of the cell
Nucleus
Mitochondria
vacuole
Chloroplast
What is the function of Red blood cell
Carry impulses
Carry blood
carry Oxygen
Carry water
Which of the following is an organ
leaf
Ribosome
Circulatory system
Blood
What is the name of the cell
Red blood cell
Muscle cell
Root hair cell
Neurone
which of the following are tissues
skin
Blood
Heart
Epithelial cells
Connective tissue
which of the following cells have chloroplast
Yeast cell
Root hair cell
Nerve cell
Palisade cells
Spongy mesophyll cells
What is the name of the red pigment in Red blood cells that help them to carry Oxygen
What are the raw materials required for photosynthesis
Air and water
Carbon dioxide and water
Carbon dioxide and Oxygen
Chlorophyll only
which of the following contains cell wall (select any 3)
Palisade cell
Bacterial cell
virus
Fungi
liver cell
Which of the following are examples of diffusion
Movement of water into root hair cells
Movement of water vapour out during transpiration
Movement of Oxygen into blood capillary
Movement of mineral ions into root hair cells
Movement of glucose into cells of villi
what is the reagent required for testing the presence of starch
Iodine solution
Litmus paper
Universal indicator
The diagram shows a cell from the leaf of a plant. Which part contains the highest amount of magnesium?
A
B
C
D
What are features of osmosis?
A
B
C
D
Which stage of nutrition takes place when food molecules become part of a body cell?
A absorption
B assimilation
C digestion
D ingestion
What will happen to a green plant grown in soil that is deficient in nitrate ions?
A It will have large leaves and good root growth.
B It will have purple leaves and poor root growth.
C It will have small leaves and a thin stem.
D It will have white leaves and a thick stem.
What is meant by chemical digestion?
A Large insoluble molecules are broken down into small soluble molecules.
B Large soluble molecules are broken down into small insoluble molecules.
C Small insoluble molecules are built up into large soluble molecules.
D Small soluble molecules are built up into large insoluble molecules.
A leafy shoot is placed in a solution of a red dye.After 30 minutes, which part of a leaf from this shoot will contain the red dye?
A
B
C
D
