The colourless plastids are
A) Chloropiasts
B) Chromoplasts
C) Leucoplasts
D) None
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Aqueous solution of raw sugar, when passed over beds of animal charcoal, becomes colourless. Explain.
When aqueous solution of raw sugar is passed over beds of animal charcoal, charcoal adsorbs the coloured particles from the raw sugar. Thus, due to the adsorption of coloured particles, raw...
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What are plastids?
Plastids are double membraned organelles containing DNA, RNA and 70S ribosomes.
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What are the various types of plastids? ii. Describe the chemical composition and functions of eukaryotic cell wall.
(i)1. Plastids are classified according to the pigments present in it. Three main types of plastids are – leucoplasts, chromoplasts and chloroplasts. 2. Leucoplasts do not contain any photosynthetic pigments they...
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_______ are green plastids containing green pigment chlorophyll.
1. (A) Chloroplasts 2. (B) Ribosomes are double membrane bound cell organelles. 3. (C) perinuclear space 4. (A) nucleus 5. (B) 46 6. (D) Metaphase 7. (A) tubulin
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A student added few drops of universal indicator to a given colourless sample and observed the sample turning to red. The nature of sample is
Correct option is B) acid
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The colourless solution formed when excess of CO2 is passed through slaked lime is
D) Ca(HCO3)2
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The primary function of chloropiasts is to carry out
B) Photosynthesis
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Chloropiasts are present in A) roots
B) green leaves
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Read the following statements. a) Plastids are present only in plants. b) Lysosomes contain non-destructive enzymes.
B) a correct, b incorrect
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Chlorides of two metals are common laboratory chemicals and both are colourless.
i. Metals are present in all the four blocks of the periodic table. ii. Salts of metals in the f-block and p-block (except AlCl3) are not common laboratory chemicals. Therefore, the choice...
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