Q. Which of the following viruses is known for causing severe respiratory illness?
A.
Ebola virus
B.
SARS-CoV-2
C.
Zika virus
D.
Herpes simplex virus
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Solution
SARS-CoV-2 is known for causing severe respiratory illness, particularly COVID-19.
Correct Answer:
B
— SARS-CoV-2
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Q. Which of the following viruses is known to cause severe acute respiratory syndrome (SARS)?
A.
HIV
B.
SARS-CoV
C.
Influenza virus
D.
Ebola virus
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Solution
SARS is caused by the SARS coronavirus (SARS-CoV), which emerged in the early 2000s.
Correct Answer:
B
— SARS-CoV
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Q. Which of the following viruses is known to cause the common cold?
A.
HIV
B.
Rhinovirus
C.
Hepatitis B
D.
Ebola
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Solution
Rhinovirus is the most common viral agent responsible for the common cold.
Correct Answer:
B
— Rhinovirus
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Q. Which organ is located in the left upper quadrant of the abdomen?
A.
Appendix
B.
Gallbladder
C.
Spleen
D.
Cecum
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Solution
The spleen is located in the left upper quadrant of the abdomen.
Correct Answer:
C
— Spleen
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Q. Which organ is primarily involved in detoxification?
A.
Kidneys
B.
Liver
C.
Spleen
D.
Pancreas
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Solution
The liver is the primary organ responsible for detoxifying various metabolites and drugs.
Correct Answer:
B
— Liver
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Q. Which organ is primarily responsible for detoxifying chemicals and metabolizing drugs?
A.
Kidney
B.
Liver
C.
Pancreas
D.
Spleen
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Solution
The liver is responsible for detoxifying chemicals and metabolizing drugs, making it a vital organ for maintaining metabolic homeostasis.
Correct Answer:
B
— Liver
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Q. Which organ is primarily responsible for detoxifying chemicals in the body?
A.
Kidney
B.
Liver
C.
Lung
D.
Heart
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Solution
The liver is primarily responsible for detoxifying chemicals and metabolizing drugs.
Correct Answer:
B
— Liver
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Q. Which organ is primarily responsible for detoxifying harmful substances in the body?
A.
Kidney
B.
Liver
C.
Pancreas
D.
Spleen
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Solution
The liver plays a key role in detoxifying harmful substances, metabolizing drugs, and processing nutrients.
Correct Answer:
B
— Liver
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Q. Which organ is primarily responsible for filtering blood and producing urine?
A.
Liver
B.
Heart
C.
Kidney
D.
Lungs
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Solution
The kidneys filter blood and produce urine as part of the body's waste management system.
Correct Answer:
C
— Kidney
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Q. Which organ is primarily responsible for maintaining homeostasis of blood glucose levels?
A.
Liver
B.
Kidneys
C.
Pancreas
D.
Heart
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Solution
The pancreas plays a crucial role in maintaining homeostasis of blood glucose levels by secreting insulin and glucagon.
Correct Answer:
C
— Pancreas
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Q. Which organ is primarily responsible for regulating blood volume?
A.
Heart
B.
Liver
C.
Kidneys
D.
Lungs
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Solution
The kidneys play a crucial role in regulating blood volume by controlling the excretion of water and electrolytes.
Correct Answer:
C
— Kidneys
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Q. Which organ is primarily responsible for the absorption of nutrients in the abdomen?
A.
Liver
B.
Stomach
C.
Small intestine
D.
Large intestine
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Solution
The small intestine is the primary site for nutrient absorption in the digestive system.
Correct Answer:
C
— Small intestine
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Q. Which organ is primarily responsible for the absorption of nutrients?
A.
Stomach
B.
Liver
C.
Small intestine
D.
Large intestine
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Solution
The small intestine is primarily responsible for the absorption of nutrients from digested food.
Correct Answer:
C
— Small intestine
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Q. Which organ is primarily responsible for the detoxification of drugs?
A.
Heart
B.
Liver
C.
Lungs
D.
Kidneys
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Solution
The liver is the main organ responsible for detoxifying drugs and other harmful substances in the body.
Correct Answer:
B
— Liver
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Q. Which organ is primarily responsible for the production of bile?
A.
Pancreas
B.
Liver
C.
Gallbladder
D.
Spleen
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Solution
The liver produces bile, which is stored in the gallbladder and released into the small intestine to aid in digestion.
Correct Answer:
B
— Liver
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Q. Which organ system is primarily responsible for gas exchange in the body?
A.
Circulatory system
B.
Respiratory system
C.
Digestive system
D.
Nervous system
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Solution
The respiratory system is responsible for gas exchange, allowing oxygen to enter the blood and carbon dioxide to be expelled.
Correct Answer:
B
— Respiratory system
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Q. Which organ system is primarily responsible for maintaining homeostasis of body temperature?
A.
Nervous system
B.
Endocrine system
C.
Integumentary system
D.
Muscular system
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Solution
The integumentary system, including the skin, plays a crucial role in thermoregulation and maintaining body temperature.
Correct Answer:
C
— Integumentary system
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Q. Which organ system is primarily responsible for the regulation of body temperature?
A.
Nervous system
B.
Endocrine system
C.
Integumentary system
D.
Muscular system
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Solution
The integumentary system, including the skin, plays a crucial role in regulating body temperature through mechanisms such as sweating and blood flow.
Correct Answer:
C
— Integumentary system
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Q. Which organelle is primarily responsible for ATP production?
A.
Nucleus
B.
Ribosome
C.
Mitochondrion
D.
Endoplasmic reticulum
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Solution
Mitochondria are the organelles responsible for ATP production through cellular respiration.
Correct Answer:
C
— Mitochondrion
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Q. Which organism is commonly used as a model in genetic studies due to its simple genome?
A.
Escherichia coli
B.
Homo sapiens
C.
Mus musculus
D.
Drosophila melanogaster
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Solution
Escherichia coli is widely used as a model organism in genetic studies due to its simple and well-understood genome.
Correct Answer:
A
— Escherichia coli
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Q. Which organism is most commonly associated with community-acquired pneumonia?
A.
Streptococcus pneumoniae
B.
Escherichia coli
C.
Staphylococcus aureus
D.
Klebsiella pneumoniae
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Solution
Streptococcus pneumoniae is the most common cause of community-acquired pneumonia.
Correct Answer:
A
— Streptococcus pneumoniae
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Q. Which organism is often used as a host for cloning in recombinant DNA technology?
A.
Bacteria
B.
Fungi
C.
Plants
D.
Animals
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Solution
Bacteria, particularly E. coli, are commonly used as hosts for cloning in recombinant DNA technology due to their rapid growth and ease of manipulation.
Correct Answer:
A
— Bacteria
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Q. Which organism is often used as a host for recombinant DNA technology?
A.
Humans
B.
Bacteria
C.
Plants
D.
Fungi
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Solution
Bacteria, such as E. coli, are often used as hosts for recombinant DNA technology due to their rapid growth and ease of manipulation.
Correct Answer:
B
— Bacteria
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Q. Which organism is primarily responsible for nitrogen fixation in the soil?
A.
Rhizobium bacteria
B.
Mycorrhizal fungi
C.
Cyanobacteria
D.
Actinomycetes
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Solution
Rhizobium bacteria form symbiotic relationships with leguminous plants and are key players in nitrogen fixation.
Correct Answer:
A
— Rhizobium bacteria
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Q. Which parameter is crucial for optimizing fermentation in reactors?
A.
Temperature
B.
Color
C.
Shape
D.
Size
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Solution
Temperature is a crucial parameter that affects microbial metabolism and product yield in fermentation reactors.
Correct Answer:
A
— Temperature
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Q. Which part of the brain is primarily responsible for regulating balance and coordination?
A.
Cerebrum
B.
Cerebellum
C.
Brainstem
D.
Thalamus
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Solution
The cerebellum is responsible for balance and coordination of voluntary movements.
Correct Answer:
B
— Cerebellum
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Q. Which part of the brain is primarily responsible for regulating breathing?
A.
Cerebrum
B.
Cerebellum
C.
Medulla oblongata
D.
Thalamus
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Solution
The medulla oblongata is the part of the brain that regulates the rhythm and rate of breathing.
Correct Answer:
C
— Medulla oblongata
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Q. Which part of the brain is primarily responsible for the control of respiration?
A.
Cerebrum
B.
Cerebellum
C.
Medulla oblongata
D.
Thalamus
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Solution
The medulla oblongata is the part of the brain that controls the rhythm and rate of breathing.
Correct Answer:
C
— Medulla oblongata
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Q. Which part of the brain is responsible for maintaining body temperature?
A.
Cerebellum
B.
Hypothalamus
C.
Medulla oblongata
D.
Cerebrum
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Solution
The hypothalamus is the part of the brain that regulates body temperature by initiating responses such as sweating or shivering.
Correct Answer:
B
— Hypothalamus
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Q. Which part of the brain is responsible for regulating autonomic functions such as heart rate and breathing?
A.
Cerebrum
B.
Cerebellum
C.
Brainstem
D.
Limbic system
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Solution
The brainstem regulates autonomic functions such as heart rate and breathing.
Correct Answer:
C
— Brainstem
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