- 1(current)
Q. No.1. Dinoflagellates
2. Diatoms
3. Cyanobacteria
4. Euglenoids
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologySelect the wrong statement:
| 1. | The walls of diatoms are easily destructible |
| 2. | Diatomaceous earth is formed by the cell walls of diatoms |
| 3. | Diatoms are chief producers in the oceans |
| 4. | Diatoms are microscopic and float passively in water |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyIn which group of organisms the Cell walls form two thin overlapping shells which fit together?
| 1. | Chrysophytes | 2. | Euglenoids |
| 3. | Dinoflagellates | 4. | Slime moulds |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyAuxospores and hormocysts are formed respectively, by:
1. Some cyanobacteria and many diatoms
2. Several diatoms and a few cyanobacteria
3. Several cyanobacteria and several diatoms
4. Some diatoms and several cyanobacteria
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyDiatomaceous earth is used as a heat insulator in boilers and steam pipes because the cell wall of diatom is
1. Composed of iron
2. Composed of silicon dioxide
3. a good conductor of heat
4. a bad conductor of electricity
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology- 1(current)
Q. No.
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