Goa Board (GBSHSE) - Class 9

History, Democratic Politics & Geography question bank (Social Science (Class 9))

Practice 523 free Goa Board (GBSHSE) - Class 9 Social Science (Class 9) - History, Democratic Politics & Geography questions with answers and step-by-step solutions.

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Q1.

Carbon & its Compounds: What structural feature of carbon is explored in 'The French Revolution, Socialism in Europe and Russian Revolution'?

(A)
Tetravalency and catenation forming covalent bonds (The French Revolution, Socialism in Europe and Russian Revolution)
(B)
Electrovalent ionic bonding only
(C)
Inability to form chains
(D)
None of these
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Q2.

Life Processes (Nutrition & Respiration): In 'The French Revolution, Socialism in Europe and Russian Revolution', the breakdown of pyruvate in the presence of oxygen takes place in:

(A)
Mitochondria releasing $\text{CO}_2$, $\text{H}_2\text{O}$ and 36-38 ATP (The French Revolution, Socialism in Europe and Russian Revolution)
(B)
Cytoplasm producing ethanol
(C)
Ribosome only
(D)
None of these
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