Q. Which hormone is secreted by the adrenal medulla? (2019)
A.
Cortisol
B.
Aldosterone
C.
Epinephrine
D.
Insulin
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Solution
Epinephrine, also known as adrenaline, is secreted by the adrenal medulla and is involved in the body's fight-or-flight response.
Correct Answer:
C
— Epinephrine
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Q. Which hormone is secreted by the pancreas to lower blood glucose levels? (2023)
A.
Glucagon
B.
Insulin
C.
Somatostatin
D.
Cortisol
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Solution
Insulin is secreted by the pancreas and is responsible for lowering blood glucose levels by facilitating glucose uptake by cells.
Correct Answer:
B
— Insulin
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Q. Which hormone is secreted by the pancreas to lower blood sugar levels? (2020)
A.
Glucagon
B.
Insulin
C.
Somatostatin
D.
Cortisol
Show solution
Solution
Insulin is secreted by the pancreas and plays a key role in lowering blood sugar levels by facilitating glucose uptake.
Correct Answer:
B
— Insulin
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Q. Which hormone is secreted by the pancreas to raise blood sugar levels? (2019)
A.
Insulin
B.
Glucagon
C.
Somatostatin
D.
Cortisol
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Solution
Glucagon is secreted by the pancreas and raises blood sugar levels by promoting the conversion of glycogen to glucose in the liver.
Correct Answer:
B
— Glucagon
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Q. Which hormone is secreted by the pancreas to regulate blood sugar levels? (2022)
A.
Insulin
B.
Glucagon
C.
Somatostatin
D.
Cortisol
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Solution
Insulin is secreted by the pancreas and plays a crucial role in lowering blood sugar levels by facilitating glucose uptake by cells.
Correct Answer:
A
— Insulin
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Q. Which hormone is secreted by the pancreas to regulate metabolism? (2023)
A.
Insulin
B.
Glucagon
C.
Somatostatin
D.
All of the above
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Solution
The pancreas secretes insulin, glucagon, and somatostatin, all of which play roles in regulating metabolism.
Correct Answer:
D
— All of the above
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Q. Which hormone is secreted by the pancreas? (2020)
A.
Insulin
B.
Thyroxine
C.
Cortisol
D.
Epinephrine
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Solution
Insulin is the hormone secreted by the pancreas that helps regulate blood glucose levels.
Correct Answer:
A
— Insulin
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Q. Which hormone regulates blood pressure by affecting blood vessel constriction? (2023)
A.
Insulin
B.
Adrenaline
C.
Aldosterone
D.
Angiotensin II
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Solution
Angiotensin II is a potent vasoconstrictor that plays a key role in regulating blood pressure.
Correct Answer:
D
— Angiotensin II
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Q. Which hormone regulates blood pressure by causing vasoconstriction? (2019)
A.
Insulin
B.
Adrenaline
C.
Aldosterone
D.
Angiotensin II
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Solution
Angiotensin II is a potent vasoconstrictor that plays a key role in regulating blood pressure.
Correct Answer:
D
— Angiotensin II
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Q. Which hormone regulates the production of red blood cells? (2019)
A.
Insulin
B.
Erythropoietin
C.
Adrenaline
D.
Thyroxine
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Solution
Erythropoietin is a hormone produced by the kidneys that stimulates the production of red blood cells in the bone marrow.
Correct Answer:
B
— Erythropoietin
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Q. Which hormone regulates the reabsorption of water in the kidneys? (2021)
A.
Aldosterone
B.
Antidiuretic hormone (ADH)
C.
Insulin
D.
Cortisol
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Solution
Antidiuretic hormone (ADH) regulates the reabsorption of water in the kidneys, reducing urine output.
Correct Answer:
B
— Antidiuretic hormone (ADH)
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Q. Which hormone regulates the sleep-wake cycle? (2022)
A.
Melatonin
B.
Serotonin
C.
Cortisol
D.
Adrenaline
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Solution
Melatonin is a hormone produced by the pineal gland that regulates the sleep-wake cycle, promoting sleep.
Correct Answer:
A
— Melatonin
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Q. Which hormone triggers ovulation? (2019)
A.
Follicle-stimulating hormone
B.
Luteinizing hormone
C.
Estrogen
D.
Progesterone
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Solution
Luteinizing hormone (LH) triggers ovulation, leading to the release of a mature egg from the ovary.
Correct Answer:
B
— Luteinizing hormone
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Q. Which hormone triggers the onset of labor? (2019)
A.
Oxytocin
B.
Estrogen
C.
Progesterone
D.
Relaxin
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Solution
Oxytocin is the hormone that triggers the onset of labor by stimulating uterine contractions.
Correct Answer:
A
— Oxytocin
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Q. Which house of the Parliament can be dissolved? (2022)
A.
Rajya Sabha
B.
Lok Sabha
C.
Both houses
D.
Neither house
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Solution
The Lok Sabha can be dissolved, while the Rajya Sabha is a permanent house and cannot be dissolved.
Correct Answer:
B
— Lok Sabha
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Q. Which hybridization corresponds to a tetrahedral molecular geometry?
A.
sp
B.
sp2
C.
sp3
D.
dsp2
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Solution
sp3 hybridization corresponds to a tetrahedral molecular geometry, as seen in CH4.
Correct Answer:
C
— sp3
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Q. Which hydrocarbon has the highest boiling point?
A.
Methane
B.
Ethane
C.
Propane
D.
Butane
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Solution
Butane has the highest boiling point among the given hydrocarbons due to its larger molecular size.
Correct Answer:
D
— Butane
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Q. Which hydrocarbon is used as a fuel in lighters?
A.
Methane
B.
Butane
C.
Ethylene
D.
Acetylene
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Solution
Butane is commonly used as a fuel in lighters.
Correct Answer:
B
— Butane
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Q. Which identity represents the difference of squares?
A.
(a + b)² = a² + 2ab + b²
B.
(a - b)² = a² - 2ab + b²
C.
a² - b² = (a + b)(a - b)
D.
a² + b² = (a + b)² - 2ab
Show solution
Solution
The difference of squares is given by a² - b² = (a + b)(a - b).
Correct Answer:
C
— a² - b² = (a + b)(a - b)
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Q. Which identity represents the expansion of (a + b + c)²?
A.
a² + b² + c² + 2ab + 2bc + 2ca
B.
a² + b² + c² + 3abc
C.
a² + b² + c²
D.
2a² + 2b² + 2c²
Show solution
Solution
(a + b + c)² = a² + b² + c² + 2ab + 2bc + 2ca.
Correct Answer:
A
— a² + b² + c² + 2ab + 2bc + 2ca
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Q. Which ideology was primarily responsible for the decolonization movements in Africa and Asia post-World War II? (1945)
A.
Fascism
B.
Communism
C.
Nationalism
D.
Imperialism
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Solution
Nationalism was the driving ideology behind the decolonization movements in Africa and Asia after World War II, as colonized nations sought self-determination and independence.
Correct Answer:
C
— Nationalism
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Q. Which idiom means to complicate matters?
A.
Cut to the chase
B.
Add fuel to the fire
C.
Bite the bullet
D.
Hit the nail on the head
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Solution
'Add fuel to the fire' means to make a situation worse or more complicated.
Correct Answer:
B
— Add fuel to the fire
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Q. Which idiom means to have a close relationship with someone in your family?
A.
Blood is thicker than water
B.
Bite the bullet
C.
Break the ice
D.
Hit the nail on the head
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Solution
The idiom 'Blood is thicker than water' refers to the idea that family relationships are stronger than other relationships.
Correct Answer:
A
— Blood is thicker than water
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Q. Which index is commonly used to measure inflation? (2020)
A.
Consumer Price Index (CPI)
B.
Producer Price Index (PPI)
C.
Gross Domestic Product Index (GDPI)
D.
Employment Price Index (EPI)
Show solution
Solution
The Consumer Price Index (CPI) is commonly used to measure inflation by tracking changes in the price level of a basket of consumer goods and services.
Correct Answer:
A
— Consumer Price Index (CPI)
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Q. Which Indian athlete won a gold medal in the 2023 World Athletics Championships? (2023)
A.
Neeraj Chopra
B.
P.V. Sindhu
C.
Hima Das
D.
K. T. Irfan
Show solution
Solution
Neeraj Chopra won a gold medal in the 2023 World Athletics Championships.
Correct Answer:
A
— Neeraj Chopra
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Q. Which Indian athlete won a medal in the 2023 World Athletics Championships? (2023)
A.
Neeraj Chopra
B.
P.V. Sindhu
C.
Mary Kom
D.
Hima Das
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Solution
Neeraj Chopra won a medal in the 2023 World Athletics Championships, continuing his legacy in javelin throw.
Correct Answer:
A
— Neeraj Chopra
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Q. Which Indian bank launched a new digital banking platform in 2023? (2023)
A.
State Bank of India
B.
ICICI Bank
C.
HDFC Bank
D.
Axis Bank
Show solution
Solution
ICICI Bank launched a new digital banking platform in 2023.
Correct Answer:
B
— ICICI Bank
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Q. Which Indian bank was recently merged with another major bank in 2023? (2023)
A.
SBI
B.
PNB
C.
Bank of Baroda
D.
Canara Bank
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Solution
In 2023, Bank of Baroda was merged with another major bank as part of the consolidation efforts in the banking sector.
Correct Answer:
C
— Bank of Baroda
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Q. Which Indian bank was recognized as the 'Best Bank' in Asia in 2023? (2023)
A.
ICICI Bank
B.
HDFC Bank
C.
State Bank of India
D.
Axis Bank
Show solution
Solution
State Bank of India was recognized as the 'Best Bank' in Asia in 2023.
Correct Answer:
C
— State Bank of India
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Q. Which Indian city is known as the 'Silicon Valley of India'? (2023)
A.
Bangalore
B.
Hyderabad
C.
Pune
D.
Chennai
Show solution
Solution
Bangalore is known as the 'Silicon Valley of India' due to its IT industry.
Correct Answer:
A
— Bangalore
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