Q. Which part of the flower contains the pollen? (2020)
-
A.
Ovary
-
B.
Stigma
-
C.
Anther
-
D.
Style
Solution
The anther is the part of the stamen that produces and contains pollen.
Correct Answer: C — Anther
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Q. Which part of the flower develops into fruit after fertilization? (2019)
-
A.
Stamen
-
B.
Carpel
-
C.
Petal
-
D.
Sepal
Solution
The carpel, specifically the ovary part of the carpel, develops into fruit after fertilization.
Correct Answer: B — Carpel
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Q. Which part of the flower develops into fruit? (2023)
-
A.
Stamen
-
B.
Ovary
-
C.
Style
-
D.
Anther
Solution
The ovary of the flower develops into the fruit after fertilization.
Correct Answer: B — Ovary
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Q. Which part of the flower is responsible for reproduction? (2021)
-
A.
Sepals
-
B.
Petals
-
C.
Stamens
-
D.
Ovaries
Solution
The stamens are the male reproductive part of the flower, consisting of anthers and filaments.
Correct Answer: C — Stamens
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Q. Which part of the flower is typically colorful and attracts pollinators? (2019)
-
A.
Sepals
-
B.
Petals
-
C.
Stamens
-
D.
Carpels
Solution
Petals are often brightly colored to attract pollinators to the flower.
Correct Answer: B — Petals
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Q. Which part of the flower is typically colorful and fragrant? (2022)
-
A.
Sepals
-
B.
Petals
-
C.
Stamens
-
D.
Ovary
Solution
Petals are often colorful and fragrant to attract pollinators.
Correct Answer: B — Petals
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Q. Which part of the flower is typically sticky to catch pollen? (2022)
-
A.
Style
-
B.
Stigma
-
C.
Ovary
-
D.
Anther
Solution
The stigma is the sticky part of the pistil that captures pollen.
Correct Answer: B — Stigma
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Q. Which part of the flower is typically the most colorful? (2020)
-
A.
Stamen
-
B.
Pistil
-
C.
Petals
-
D.
Sepals
Solution
Petals are usually the most colorful part of the flower, aiding in attracting pollinators.
Correct Answer: C — Petals
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Q. Which part of the heart receives deoxygenated blood from the body? (2022)
-
A.
Left atrium
-
B.
Right atrium
-
C.
Left ventricle
-
D.
Right ventricle
Solution
The right atrium receives deoxygenated blood from the body through the superior and inferior vena cavae.
Correct Answer: B — Right atrium
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Q. Which part of the human digestive system is primarily responsible for the absorption of nutrients? (2021)
-
A.
Stomach
-
B.
Small intestine
-
C.
Large intestine
-
D.
Esophagus
Solution
The small intestine is the primary site for nutrient absorption due to its large surface area and presence of villi.
Correct Answer: B — Small intestine
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Q. Which part of the male reproductive system stores sperm? (2019)
-
A.
Epididymis
-
B.
Seminal vesicle
-
C.
Prostate gland
-
D.
Testis
Solution
The epididymis is the part of the male reproductive system that stores and matures sperm.
Correct Answer: A — Epididymis
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Q. Which part of the nephron is primarily involved in the filtration of blood? (2023)
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A.
Glomerulus
-
B.
Proximal tubule
-
C.
Distal tubule
-
D.
Collecting duct
Solution
The glomerulus is the part of the nephron where blood filtration occurs, allowing water and small solutes to pass into the renal tubule.
Correct Answer: A — Glomerulus
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Q. Which part of the nephron is responsible for the filtration of blood? (2023)
-
A.
Glomerulus
-
B.
Proximal convoluted tubule
-
C.
Loop of Henle
-
D.
Distal convoluted tubule
Solution
The glomerulus is the part of the nephron where blood filtration occurs, leading to the formation of filtrate.
Correct Answer: A — Glomerulus
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Q. Which part of the nephron is responsible for the majority of nutrient reabsorption? (2023)
-
A.
Glomerulus
-
B.
Proximal convoluted tubule
-
C.
Loop of Henle
-
D.
Distal convoluted tubule
Solution
The proximal convoluted tubule is responsible for the majority of nutrient reabsorption, including glucose, amino acids, and ions.
Correct Answer: B — Proximal convoluted tubule
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Q. Which part of the nephron is responsible for the majority of reabsorption? (2023)
-
A.
Glomerulus
-
B.
Proximal convoluted tubule
-
C.
Loop of Henle
-
D.
Distal convoluted tubule
Solution
The proximal convoluted tubule is responsible for the majority of reabsorption of water, ions, and nutrients.
Correct Answer: B — Proximal convoluted tubule
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Q. Which part of the nervous system is responsible for the 'fight or flight' response? (2023)
-
A.
Parasympathetic nervous system
-
B.
Sympathetic nervous system
-
C.
Central nervous system
-
D.
Somatic nervous system
Solution
The sympathetic nervous system is responsible for the 'fight or flight' response, preparing the body for action.
Correct Answer: B — Sympathetic nervous system
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Q. Which part of the neuron is responsible for receiving signals from other neurons? (2020)
-
A.
Axon
-
B.
Dendrites
-
C.
Myelin sheath
-
D.
Synapse
Solution
Dendrites are the extensions of a neuron that receive signals from other neurons.
Correct Answer: B — Dendrites
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Q. Which part of the neuron is responsible for transmitting impulses away from the cell body? (2023)
-
A.
Dendrites
-
B.
Axon
-
C.
Soma
-
D.
Synapse
Solution
The axon is the long projection of a neuron that transmits impulses away from the cell body.
Correct Answer: B — Axon
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Q. Which part of the neuron is responsible for transmitting impulses to other neurons? (2023)
-
A.
Dendrites
-
B.
Cell body
-
C.
Axon
-
D.
Synapse
Solution
The axon is responsible for transmitting impulses away from the cell body to other neurons or muscles.
Correct Answer: C — Axon
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Q. Which part of the neuron receives signals from other neurons? (2020)
-
A.
Axon
-
B.
Dendrites
-
C.
Cell body
-
D.
Synapse
Solution
Dendrites are the parts of the neuron that receive signals from other neurons.
Correct Answer: B — Dendrites
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Q. Which part of the neuron transmits impulses away from the cell body? (2023)
-
A.
Dendrites
-
B.
Axon
-
C.
Synapse
-
D.
Nucleus
Solution
The axon is the part of the neuron that transmits impulses away from the cell body to other neurons or muscles.
Correct Answer: B — Axon
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Q. Which part of the plant is primarily involved in photosynthesis? (2020)
-
A.
Roots
-
B.
Stems
-
C.
Leaves
-
D.
Flowers
Solution
Leaves are the primary sites of photosynthesis in flowering plants due to the presence of chlorophyll.
Correct Answer: C — Leaves
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Q. Which part of the plant is responsible for photosynthesis? (2021)
-
A.
Roots
-
B.
Stems
-
C.
Leaves
-
D.
Flowers
Solution
Leaves are the primary site of photosynthesis in flowering plants due to the presence of chlorophyll.
Correct Answer: C — Leaves
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Q. Which part of the respiratory system is responsible for gas exchange? (2020)
-
A.
Bronchi
-
B.
Alveoli
-
C.
Trachea
-
D.
Larynx
Solution
Alveoli are tiny air sacs in the lungs where the exchange of oxygen and carbon dioxide occurs.
Correct Answer: B — Alveoli
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Q. Which part of the respiratory system is responsible for the exchange of gases? (2020)
-
A.
Bronchi
-
B.
Alveoli
-
C.
Trachea
-
D.
Larynx
Solution
The alveoli are tiny air sacs in the lungs where the exchange of oxygen and carbon dioxide occurs.
Correct Answer: B — Alveoli
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Q. Which part of the respiratory system is responsible for the majority of gas exchange? (2019)
-
A.
Bronchi
-
B.
Trachea
-
C.
Alveoli
-
D.
Larynx
Solution
The alveoli are tiny air sacs in the lungs where the majority of gas exchange occurs between air and blood.
Correct Answer: C — Alveoli
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Q. Which part of the stamen produces pollen? (2022)
-
A.
Filament
-
B.
Anther
-
C.
Style
-
D.
Ovary
Solution
The anther is the part of the stamen that produces and contains pollen.
Correct Answer: B — Anther
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Q. Which particle is responsible for the chemical properties of an atom? (2023)
-
A.
Neutrons
-
B.
Protons
-
C.
Electrons
-
D.
Nucleons
Solution
Electrons, particularly those in the outer shell, determine the chemical properties of an atom.
Correct Answer: C — Electrons
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Q. Which phase change occurs at the boiling point of a substance? (2022)
-
A.
Melting
-
B.
Sublimation
-
C.
Condensation
-
D.
Vaporization
Solution
Vaporization occurs at the boiling point when a liquid turns into gas.
Correct Answer: D — Vaporization
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Q. Which phase follows metaphase in mitosis? (2023)
-
A.
Prophase
-
B.
Anaphase
-
C.
Telophase
-
D.
Interphase
Solution
Anaphase follows metaphase, where sister chromatids are pulled apart to opposite poles of the cell.
Correct Answer: B — Anaphase
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