General Science Topics
Undergraduate level — General Science
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quiz Questions
Q221
Which section of the human circulatory system transports deoxygenated blood away from the right ventricle directly into the gas-exchange matrix of the lungs?
Aorta Arch
Pulmonary Artery
Pulmonary Vein corridor
Superior Vena Cava line
Explanation
The Pulmonary Artery is the unique artery in the human body that carries oxygen-poor (deoxygenated) blood away from the right ventricle of the heart into the lungs for re-oxygenation.
Q222
The satellite payload network tracking configuration known as 'IRNSS' serves which specific technological task for Indian strategic infrastructure operations?
Continuous long-range deep weather forecasting modeling
Independent regional satellite navigation and positioning services
High resolution thermal mapping of agricultural crop layouts
The tracking of deep space asteroid trajectory arcs
Explanation
IRNSS (Indian Regional Navigation Satellite System), commercially operated as NavIC, provides highly accurate real-time positioning and timing services over India and its periphery.
Q223
The global environmental index framework known as the 'Kyoto Protocol' was legally established to coordinate limits across which crisis parameters?
The transboundary maritime heavy plastic garbage dumping caps
Greenhouse gas emissions and climate change mitigation targets
The chemical neutralization tracking codes for hazardous solid wastes
The absolute structural protections for endemic mountain biomes
Explanation
Adopted in 1997, the Kyoto Protocol is an international treaty that legally binds developed country parties to greenhouse gas emission reduction targets to fight climate change.
Q224
An object of mass 10 kg moves at a uniform velocity of 6 m/s. What is the total kinetic energy possessed by this structural body profile?
60 J
180 J
360 J
36 J
Explanation
Kinetic energy is calculated via the physical formula KE = ½ × m × v². Substituting the given parameters: KE = ½ × 10 kg × (6 m/s)² = 5 × 36 = 180 Joules.
Q225
Which structural gas law coordinates the temperature and pressure relationships of a given mass of gas while its total volume parameter is held strictly constant?
Boyle's Law Layout
Gay-Lussac's Law
Charles's Law Axis
Avogadro's Volume Index
Explanation
Gay-Lussac's Law dictates that the pressure of a given mass of gas is directly proportional to its absolute temperature when the volume remains constant (P ∝ T).
Q226
The protective structural skull bone container framework that fully encloses and secures the human brain is anatomically designated by what name?
Sternum Plate
Cranium
Scapula Girdle
Clavicle Rod
Explanation
The cranium is the robust skeletal structure of the skull that forms a protective vault enclosing the human brain, guarding it against mechanical shocks.
Q227
An object of mass 3 kg is thrown horizontally off a cliff with a speed of 10 m/s. If it takes exactly 3 seconds to strike the ground, what is the horizontal distance from the base of the cliff where the object lands? (Neglect air resistance)
15 meters
30 meters
45 meters
90 meters
Explanation
In projectile motion, horizontal and vertical motions are independent. Because there is no horizontal acceleration, horizontal distance = horizontal velocity × time = 10 m/s × 3 s = 30 meters.
Q228
Which chemical law states that when gases react together at a constant temperature and pressure, they do so in volumes that bear a simple whole-number ratio to each other?
Law of Conservation of Mass
Gay-Lussac's Law of Combining Volumes
Law of Definite Proportions
Boyle's Gas Law Matrix
Explanation
Gay-Lussac's Law of Combining Volumes establishes that the volumetric proportions of reacting gaseous elements and their gaseous products exist in simple integers under uniform thermal configurations.
Q229
Which structural phase of cellular mitosis is characterized by the chromosome pairs aligning perfectly along the equatorial plane of the spindle apparatus?
Prophase
Metaphase
Anaphase
Telophase
Explanation
During Metaphase, the spindle fibers pull the sister chromatids until they align along the center of the dividing cell in a region called the metaphase plate.
Q230
The display technology advancement called 'OLED' is superior to traditional liquid crystal configurations because its organic compound layers possess which operational trait?
They operate under continuous sub-zero liquid nitrogen thermal jackets
They are self-illuminating, emitting light directly without a separate backlight
They act as high-efficiency optical diffraction grating prisms
They reflect localized solar spectrum radiation completely
Explanation
OLED (Organic Light Emitting Diode) displays use self-illuminating pixels. Each sub-pixel emits its own light when electric current is applied, bypassing the need for an external backlight to produce deep blacks.