MCQ
If living cells similar to those found on earth, were found on another planet where there was no oxygen. Which cell organelle would most probably be absent
- ACell membrane
- BRibosomes
- ✓Mitochondria
- DChromosomes
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Column $I$
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Column $II$
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| $A$ |
Touch
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$i.$ |
Nasal epithelium
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| $B$ |
Smell
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$ii.$ |
Foramen magnum
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| $C$ |
Cranial nerves
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$iii.$ |
Sensory papillae
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| $D$ |
Medulla oblongata
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$iv.$ |
Peripheral nevous system
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$R-$ In stroma, enzymatic reactions incorporate $CO_2$ into the plant leading to the synthesis of sugar.