Consider the following. a. Saliva has an important hormone b. 1 -1.5 litres of saliva is secreted per day
A) Both a & b are true
B) a is true, b is false
C) a is false, b is true
D) Both a & b are false
1 Answers
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At constant temperature and pressure, two litres of hydrogen gas react with one litre of oxygen gas to produce two litres of water vapour.
(D) law of gaseous volumes \(\underset{2L}{H_2(g)}+\underset{2L}{O_2(g)}\longrightarrow \underset{2L}{H_2O(g)}\) Gay-Lussac's states that "At same temperature and pressure, when gases combine or produced in a chemical reaction, they do so in a simple ratio by volume. Here, \(H_2\), \(O_2\) and \(H_2O(g)\) are...
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At constant temperature and pressure, two litres of hydrogen gas react with one litre of oxygen gas to produce two litres of water vapour.
2 Answers
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Imagine two roosters are fighting at your kitchen garden. What hormone might be secreted in their body during that stage ?
(A) Adrenalin
2 Answers 1 views
i) The hormone that stimulates hunger pangs. ii) The hormone secreted when stomach is full.
B) i – Ghrelin; ii – Leptin
2 Answers 1 views
Saliva secreted by us per day is ………
(A) 1 – 1.5 liters
2 Answers 1 views
One litre of water can fill in cylinder A and two litres of water can fill in cylinder B. Then two litres of gas can fill in
C) both ‘A’ and ‘B’
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The cost of 5 litres of petrol is ₹ 110 then the cost of 8 litres is ……………..
Correct option is (B) ₹ 176 \(\because\) The cost of 5 litres of petrol = Rs 110. \(\therefore\) The cost of 8 litres of petrol \(=Rs\,(\frac{110}5\times8)\) \(=Rs\,(22\times8)\) = Rs 176
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A hormone secreted by the endocrinal cells of duodenal mucosa which influences the release of pancreatic juice is
(b) cholecystokinin
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The workdone in ergs for the reversible expansion of one mole of an ideal gas from a volume of 10 litres to 20 litres at `25^(@)C` is
Correct Answer - B `W=-2.303 nRT "log" V_(2)/V_(1)`
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