Q. Which of the following states of matter has the least amount of kinetic energy?
-
A.
Solid
-
B.
Liquid
-
C.
Gas
-
D.
Plasma
Solution
Solids have the least amount of kinetic energy as their particles are closely packed and vibrate in fixed positions.
Correct Answer:
A
— Solid
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Q. Which of the following states of matter has the least intermolecular forces?
-
A.
Solid
-
B.
Liquid
-
C.
Gas
-
D.
All are equal
Solution
Gases have the least intermolecular forces, allowing particles to move freely.
Correct Answer:
C
— Gas
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Q. Which of the following states of matter has the weakest intermolecular forces? (2023)
-
A.
Solid
-
B.
Liquid
-
C.
Gas
-
D.
Plasma
Solution
Gases have the weakest intermolecular forces, allowing particles to move freely.
Correct Answer:
C
— Gas
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Q. Which of the following storage devices is non-volatile? (2021)
-
A.
RAM
-
B.
Cache Memory
-
C.
Hard Disk Drive
-
D.
Registers
Solution
A Hard Disk Drive (HDD) is a non-volatile storage device that retains data even when the power is turned off.
Correct Answer:
C
— Hard Disk Drive
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Q. Which of the following strategies can enhance the analytical depth of an essay?
-
A.
Focusing solely on one perspective
-
B.
Incorporating statistical data
-
C.
Using flowery language
-
D.
Avoiding counterarguments
Solution
Incorporating statistical data can provide empirical support to arguments, enhancing the analytical depth and credibility of the essay.
Correct Answer:
B
— Incorporating statistical data
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Q. Which of the following strategies can help improve team cohesion?
-
A.
Encouraging competition among members
-
B.
Fostering open communication
-
C.
Limiting team meetings
-
D.
Assigning tasks individually
Solution
Fostering open communication helps build trust and understanding, which are essential for team cohesion.
Correct Answer:
B
— Fostering open communication
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Q. Which of the following strategies can help mitigate conflicts in a team?
-
A.
Ignoring the issues
-
B.
Encouraging open dialogue
-
C.
Assigning blame
-
D.
Avoiding difficult conversations
Solution
Encouraging open dialogue allows team members to express their concerns and work through conflicts constructively.
Correct Answer:
B
— Encouraging open dialogue
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Q. Which of the following strategies helps in making predictions while reading?
-
A.
Visualizing
-
B.
Inferring
-
C.
Summarizing
-
D.
Highlighting
Solution
Inferring helps in making predictions about what might happen next in the text based on the information provided.
Correct Answer:
B
— Inferring
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Q. Which of the following strategies involves asking questions about the text? (2020)
-
A.
Clarifying
-
B.
Questioning
-
C.
Summarizing
-
D.
Predicting
Solution
Questioning involves generating questions about the text to deepen understanding and engagement.
Correct Answer:
B
— Questioning
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Q. Which of the following structures carries genetic information? (2019)
-
A.
Ribosome
-
B.
Chromosome
-
C.
Endoplasmic Reticulum
-
D.
Golgi Apparatus
Solution
Chromosomes are structures that carry genetic information in the form of genes.
Correct Answer:
B
— Chromosome
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Q. Which of the following structures develops into a fruit after fertilization? (2022)
-
A.
Ovary
-
B.
Stigma
-
C.
Anther
-
D.
Filament
Solution
After fertilization, the ovary of the flower develops into a fruit, which contains the seeds.
Correct Answer:
A
— Ovary
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Q. Which of the following structures develops into a seed after fertilization? (2022)
-
A.
Ovary
-
B.
Ovule
-
C.
Stigma
-
D.
Anther
Solution
The ovule develops into a seed after fertilization occurs.
Correct Answer:
B
— Ovule
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Q. Which of the following structures has the highest packing efficiency? (2019)
-
A.
Simple cubic
-
B.
Body-centered cubic
-
C.
Face-centered cubic
-
D.
Hexagonal close-packed
Solution
The face-centered cubic (FCC) structure has the highest packing efficiency of approximately 74%.
Correct Answer:
C
— Face-centered cubic
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Q. Which of the following structures is found in plant cells but not in animal cells? (2020)
-
A.
Cell membrane
-
B.
Nucleus
-
C.
Chloroplast
-
D.
Mitochondria
Solution
Chloroplasts are found in plant cells and are responsible for photosynthesis, while animal cells do not have them.
Correct Answer:
C
— Chloroplast
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Q. Which of the following structures is found only in plant cells? (2022)
-
A.
Cell membrane
-
B.
Mitochondria
-
C.
Chloroplast
-
D.
Ribosome
Solution
Chloroplasts are found only in plant cells and are responsible for photosynthesis.
Correct Answer:
C
— Chloroplast
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Q. Which of the following structures is involved in pollen production? (2021)
-
A.
Ovary
-
B.
Anther
-
C.
Style
-
D.
Stigma
Solution
The anther is the part of the stamen that produces pollen.
Correct Answer:
B
— Anther
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Q. Which of the following structures is involved in the synthesis of ribosomal RNA?
-
A.
Nucleus
-
B.
Ribosome
-
C.
Golgi apparatus
-
D.
Endoplasmic reticulum
Solution
The nucleolus, located within the nucleus, is responsible for synthesizing ribosomal RNA.
Correct Answer:
A
— Nucleus
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Q. Which of the following structures is NOT part of the respiratory system? (2021)
-
A.
Trachea
-
B.
Larynx
-
C.
Esophagus
-
D.
Bronchi
Solution
The esophagus is part of the digestive system, while the trachea, larynx, and bronchi are components of the respiratory system.
Correct Answer:
C
— Esophagus
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Q. Which of the following structures is responsible for the production of red blood cells? (2019)
-
A.
Liver
-
B.
Spleen
-
C.
Bone marrow
-
D.
Thymus
Solution
Bone marrow is the primary site for the production of red blood cells in the human body.
Correct Answer:
C
— Bone marrow
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Q. Which of the following structures is responsible for the storage of calcium ions in muscle cells? (2023)
-
A.
Mitochondria
-
B.
Sarcoplasmic reticulum
-
C.
Nucleus
-
D.
Golgi apparatus
Solution
The sarcoplasmic reticulum is responsible for storing calcium ions, which are crucial for muscle contraction.
Correct Answer:
B
— Sarcoplasmic reticulum
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Q. Which of the following structures is responsible for transmitting nerve impulses to muscle fibers? (2023)
-
A.
Motor neuron
-
B.
Sensory neuron
-
C.
Interneuron
-
D.
Glial cell
Solution
Motor neurons transmit nerve impulses to muscle fibers, initiating muscle contraction.
Correct Answer:
A
— Motor neuron
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Q. Which of the following structures is responsible for transmitting the action potential in muscle fibers? (2023)
-
A.
A. Sarcoplasmic reticulum
-
B.
B. T-tubules
-
C.
C. Myofibrils
-
D.
D. Endomysium
Solution
T-tubules (transverse tubules) are responsible for transmitting the action potential deep into the muscle fiber.
Correct Answer:
B
— B. T-tubules
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Q. Which of the following structures prevents backflow of blood in the heart? (2023)
-
A.
Valves
-
B.
Aorta
-
C.
Vena cavae
-
D.
Septum
Solution
Valves in the heart prevent the backflow of blood, ensuring it flows in one direction through the heart chambers.
Correct Answer:
A
— Valves
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Q. Which of the following substances is NOT typically found in urine? (2022)
-
A.
Urea
-
B.
Glucose
-
C.
Creatinine
-
D.
Uric acid
Solution
Glucose is not typically found in urine unless there is a condition such as diabetes mellitus.
Correct Answer:
B
— Glucose
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Q. Which of the following surfaces is the best emitter of radiation?
-
A.
Shiny surface
-
B.
Dull black surface
-
C.
White surface
-
D.
Transparent surface
Solution
A dull black surface is the best emitter of radiation according to Kirchhoff's law of thermal radiation.
Correct Answer:
B
— Dull black surface
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Q. Which of the following surfaces is the best emitter of thermal radiation?
-
A.
Shiny metal
-
B.
White paint
-
C.
Black paint
-
D.
Glass
Solution
A black surface is the best emitter of thermal radiation due to its high emissivity.
Correct Answer:
C
— Black paint
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Q. Which of the following techniques is commonly used to determine protein structure?
-
A.
Mass spectrometry
-
B.
Nuclear magnetic resonance (NMR)
-
C.
X-ray crystallography
-
D.
Both B and C
Solution
Both nuclear magnetic resonance (NMR) and X-ray crystallography are commonly used techniques to determine the three-dimensional structure of proteins.
Correct Answer:
D
— Both B and C
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Q. Which of the following techniques is commonly used to separate proteins based on their size?
-
A.
Chromatography
-
B.
Electrophoresis
-
C.
Spectroscopy
-
D.
Centrifugation
Solution
Gel electrophoresis is a technique used to separate proteins based on their size and charge.
Correct Answer:
B
— Electrophoresis
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Q. Which of the following techniques is used for the production of genetically modified plants? (2023)
-
A.
Polymerase chain reaction
-
B.
Gene cloning
-
C.
Agrobacterium-mediated transformation
-
D.
Electrophoresis
Solution
Agrobacterium-mediated transformation is a common technique used to introduce foreign genes into plant cells.
Correct Answer:
C
— Agrobacterium-mediated transformation
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Q. Which of the following techniques is used for the production of monoclonal antibodies? (2020)
-
A.
Hybridoma technology
-
B.
Gene editing
-
C.
CRISPR-Cas9
-
D.
Fermentation
Solution
Hybridoma technology is used to produce monoclonal antibodies by fusing myeloma cells with specific B cells.
Correct Answer:
A
— Hybridoma technology
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