Assertion: Cell wall of diatoms are indestructible
Reason: Cell wall of diatoms possesss silica
1. If both assertion and reason are true and the reason is the correct explanation of the assertion
2. If both assertion and reason are true and the reason is not the correct explanation of the assertion
3. If assertion is true but reason is false
4. If both assertion and reason are false statement
Subtopic: Â Kingdom Protista: Chrysophytes |
 95%
From NCERT
Other Reason
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NEET 2023 - Target Batch - Aryan Raj Singh
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Assertion: The spores of 'consumer-decomposer' protists contain spores cellulosic cell wall
Reason: These spores are dispersed by wind
1. If both assertion and reason are true and the reason is the correct explanation of the assertion
2. If both assertion and reason are true and the reason is not the correct explanation of the assertion
3. If assertion is true but reason is false
4. If both assertion and reason are false statement
Subtopic: Â Kingdom Protista: Chrysophytes |
 64%
From NCERT
Other Reason
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Read the following statements:
i. Majority of the slime moulds are freshwater organisms
ii. Dinoflagellates are mostly freshwater organisms
iii. Slime moulds form plasmodium
iv. Protozoans may be autotrophs
v. The spores of the slime moulds are dispersed by water current
How many of the above statements are incorrect?
1. Three
2. Two
3. Four
4. Five
Subtopic: Â Kingdom Protista: Chrysophytes |Â Kingdom Protista: Dinoflagellates |
From NCERT
Other Reason
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Read the following statements with respect to diatoms:
i. In diatoms, the cell walls form two thin overlapping shells which fit together as in a soap box
ii. The walls are embedded with silica and thus are indestructible
iii. The fossilized diatoms are called diatomaceous earth
iv. Diatoms are not the main producers in the oceans
v. Diatomaceous earth is used in polishing, filtration of oil and syrups
How many of the above statements is/are incorrect?
1. One
2. Four
3. Three
4. Two
Subtopic: Â Kingdom Protista: Chrysophytes |
 72%
From NCERT
Other Reason
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1. A = (iv) , B = (ii) , C = (iii), D = (i)
2. A = (i) , B = (iv) , C = (iii), D = (ii)
3. A = (i) , B = (ii) , C = (iii), D = (iv)
4. A = (iv) , B = (iii) , C = (i), D = (ii)