Here are few questions for practise for students of Class 6 of ICSE Board from the subject of Biology of chapter "The Cell".
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| Class 6 Biology Test (J K Online Classes) |
I.C.S.E
Biology test
Class VI
Chapters: The Cell
Maximum marks: 30 Marks
Total Time: 45 Minutes
Section (A)
(A) Fill in the blanks (5 Marks)
1. Inside the membrane, lies a semi-fluid substance called ________.
2. The one or two small spherical bodies that lie within the nucleus is called ________.
3. Tiny structures called ________ lie suspended in the cytoplasm.
4. The nucleus contains fine, threadlike structures arranged in a network called the _________ network.
5. Every organism is characterized by a fixed number of _________.
(B) Write 'T' for true and 'F' for false (5 Marks)
1. Plastids are only present in plant cells.
2. Chromosomes are located in vacuoles.
3. The cell wall is made of substance, which is a kind of carbohydrates.
4. Chloroplasts, chromoplasts and leucoplasts are the types of plastids.
5. The single cell which is formed by the fusion of male and female cell is called embryo.
(C) Tick the correct option (5 Marks)
1. The cytoplasm of a cell is enclosed by the
(a) cell wall
(b) nuclear membrane
(c) plasma membrane
(d) vacuole membrane
2. Which of the following statement is true?
(a) Living organisms are not made up of cell.
(b) The cell is not the structural unit of life.
(c) The cell is the functional unit of life.
(d) The cell membrane is impermeable.
3. The cell wall is made up of
(a) membrane
(b) cytoplasm
(c) chromatin
(d) cellulose
4. Chlorophyll is stored in
(a) chloroplasts
(b) chromoplasts
(c) leucoplasts
(d) vacuoles
5. Amoebas form _________ to store food
(a) cell sap
(b) embryo
(c) food vacuoles
(d) chromosomes
(D) Answer the following questions (3 marks each)
1. Why are cells known as the structural and functional unit of life? Who discovered cell?
2. What are organelles? Name some organelles.
3. What causes the colour of ripe fruits? What are leucoplasts?
4. Why are mitochondria called the 'powerhouse of the cell'?
5. Write three differences between plant cell and animal cell.
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