Class 9th Science - The Fundamental Unit of Life Case Study Questions and Answers 2022 - 2023
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The Fundamental Unit of Life Case Study Questions With Answer Key
9th Standard CBSE
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Reg.No. :
Science
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Leucoplasts are colourless plastids. They store starch, oil, proteins. Chromoplasts are coloured plastids. They contain pigments. e.g. Chloroplasts contain green pigment present in the plant cell. Chromoplasts provide colour to various flowers and fruits.
(i) What is the function of leucoplasts?
(a) They store starch, oil, proteins.
(b) They provide colour various flowers and fruits.
(c) They help in photosynthesis.
(d) They give support to the plants.
(ii) Which plastids provide colour to fruits and flowers?(a) Leucoplasts (b) Chromoplasts (c) Chloroplasts (d) Proteinoplast (iii) Which of the following statement is true?
(a) Plastids are present in both plant and animal cell.
(b) Plastids are absent in plant as well as animal cell.
(c) Plastids are present only in plant cell.
(d) Plastids are present only in animal cell.
(iv) Which plastids contain green pigment?
(a) Leucoplasts contain green pigment.
(b) Chloroplasts contain green pigment.
(c) Chromoplasts mainly contain green pigment.
(d) None of the plastids contain green pigment.
(v) Which plastids bring about the process of photosynthesis ?(a) Leucoplasts (b) Chromoplasts mainly (c) Chloroplasts (d) None of the plastids bring about photosynthesis. -
Study the given diagram and answer the following questions.
(i) Identify the given diagram.(a) Structure of animal cell (b) Structure of plant cell (c) Bacterial cell (d) Prokaryotic cell (ii) The function of part labelled as 1 is_______
(a) Release of energy (b) Protein synthesis (c) Transmission of heredity characters (d) Storage (iii) Mention any two structures which are not found in above cell.
(a) Cell wall and ribosomes (b) Cell wall and golgi apparatus (c) Cell membrane and Golgi apparatus (d) Plastids and cell wall (iv) Chromosomes are present in________
(a) Cell membrane (b) Golgi apparatus (c) Endoplasmic reticulum (d) Nucleus (v) Lysosomes are also called______
(a) suicide bags (b) digestive bags (c) demolition squads (d) all the above
Case Study
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