Major Competitive Exams
Q. Which type of crystal system has the highest symmetry? (2022)
A.
Cubic
B.
Tetragonal
C.
Orthorhombic
D.
Monoclinic
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Solution
The cubic crystal system has the highest symmetry among all crystal systems.
Correct Answer: A — Cubic
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Q. Which type of damping results in the system returning to equilibrium without oscillating?
A.
Underdamping
B.
Critical damping
C.
Overdamping
D.
No damping
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Solution
Critical damping allows the system to return to equilibrium in the shortest time without oscillating.
Correct Answer: B — Critical damping
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Q. Which type of diffraction pattern is produced by a circular aperture?
A.
Single-slit pattern
B.
Double-slit pattern
C.
Airy pattern
D.
Newton's rings
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Solution
A circular aperture produces an Airy pattern, characterized by a central bright spot surrounded by concentric dark and bright rings.
Correct Answer: C — Airy pattern
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Q. Which type of epithelial tissue is best suited for areas subject to abrasion? (2022)
A.
Simple cuboidal epithelium
B.
Simple columnar epithelium
C.
Stratified squamous epithelium
D.
Transitional epithelium
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Solution
Stratified squamous epithelium is designed to protect underlying tissues in areas subject to abrasion, such as the skin.
Correct Answer: C — Stratified squamous epithelium
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Q. Which type of epithelial tissue is specialized for absorption and secretion? (2020)
A.
Simple squamous epithelium
B.
Stratified squamous epithelium
C.
Cuboidal epithelium
D.
Columnar epithelium
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Solution
Columnar epithelium is specialized for absorption and secretion, often found in the digestive tract.
Correct Answer: D — Columnar epithelium
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Q. Which type of epithelial tissue is specialized for absorption? (2020)
A.
Simple squamous epithelium
B.
Stratified squamous epithelium
C.
Simple cuboidal epithelium
D.
Simple columnar epithelium
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Solution
Simple columnar epithelium is specialized for absorption and is commonly found in the intestines.
Correct Answer: D — Simple columnar epithelium
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Q. Which type of epithelial tissue provides protection against abrasion? (2023)
A.
Simple cuboidal epithelium
B.
Stratified squamous epithelium
C.
Simple columnar epithelium
D.
Transitional epithelium
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Solution
Stratified squamous epithelium provides protection against abrasion and is found in areas such as the skin and the lining of the mouth.
Correct Answer: B — Stratified squamous epithelium
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Q. Which type of error can be reduced by taking multiple measurements? (2022)
A.
Systematic error
B.
Random error
C.
Zero error
D.
Gross error
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Solution
Random errors can be minimized by taking multiple measurements and averaging the results.
Correct Answer: B — Random error
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Q. Which type of isomerism is exhibited by 1,2-dichloroethene?
A.
Structural isomerism
B.
Geometric isomerism
C.
Optical isomerism
D.
Conformational isomerism
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Solution
1,2-dichloroethene can exist in cis and trans forms, demonstrating geometric isomerism.
Correct Answer: B — Geometric isomerism
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Q. Which type of isomerism is exhibited by 1,3-butadiene?
A.
Geometric isomerism
B.
Structural isomerism
C.
Conformational isomerism
D.
Optical isomerism
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Solution
1,3-butadiene can exhibit geometric isomerism due to the presence of double bonds.
Correct Answer: A — Geometric isomerism
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Q. Which type of isomerism is exhibited by glucose and fructose?
A.
Geometric isomerism
B.
Structural isomerism
C.
Optical isomerism
D.
Conformational isomerism
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Solution
Glucose and fructose are structural isomers as they have the same molecular formula but different structures.
Correct Answer: B — Structural isomerism
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Q. Which type of isomerism is shown by butane (C4H10)?
A.
Geometric isomerism
B.
Structural isomerism
C.
Optical isomerism
D.
Tautomeric isomerism
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Solution
Butane exhibits structural isomerism as it can exist as n-butane and isobutane.
Correct Answer: B — Structural isomerism
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Q. Which type of landform is created by the deposition of sediment at river mouths? (2020)
A.
Delta
B.
Canyon
C.
Plateau
D.
Mountain
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Solution
A delta is formed by the deposition of sediment carried by a river as the flow velocity decreases upon entering standing water.
Correct Answer: A — Delta
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Q. Which type of lens is used to correct hyperopia (farsightedness)?
A.
Concave lens
B.
Convex lens
C.
Bifocal lens
D.
Cylindrical lens
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Solution
A convex lens is used to converge light rays for hyperopic correction.
Correct Answer: B — Convex lens
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Q. Which type of light is typically not polarized?
A.
Natural light
B.
Laser light
C.
Reflected light
D.
Light from a LED
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Solution
Natural light is typically unpolarized as it consists of waves vibrating in multiple planes.
Correct Answer: A — Natural light
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Q. Which type of memory would be most useful for solving a puzzle? (2022)
A.
Semantic memory
B.
Figural memory
C.
Episodic memory
D.
Working memory
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Solution
Figural memory is useful for visualizing and manipulating pieces in a puzzle.
Correct Answer: B — Figural memory
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Q. Which type of memory would help you remember the layout of a city? (2023)
A.
Semantic memory
B.
Episodic memory
C.
Figural memory
D.
Procedural memory
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Solution
Figural memory aids in recalling visual layouts and spatial arrangements.
Correct Answer: C — Figural memory
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Q. Which type of muscle fibers are known for endurance and are rich in mitochondria? (2022)
A.
Fast-twitch fibers
B.
Slow-twitch fibers
C.
Intermediate fibers
D.
Type II fibers
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Solution
Slow-twitch fibers are known for endurance and have a high density of mitochondria for aerobic respiration.
Correct Answer: B — Slow-twitch fibers
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Q. Which type of muscle is involuntary and found in the walls of internal organs? (2023)
A.
Skeletal muscle
B.
Cardiac muscle
C.
Smooth muscle
D.
Striated muscle
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Solution
Smooth muscle is involuntary and is found in the walls of internal organs, such as the intestines and blood vessels.
Correct Answer: C — Smooth muscle
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Q. Which type of muscle tissue is involuntary and found in the walls of internal organs? (2019)
A.
Skeletal muscle
B.
Cardiac muscle
C.
Smooth muscle
D.
Striated muscle
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Solution
Smooth muscle is involuntary and is found in the walls of hollow organs such as the intestines and blood vessels.
Correct Answer: C — Smooth muscle
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Q. Which type of muscle tissue is involuntary and found in the walls of organs? (2020)
A.
Skeletal Muscle
B.
Cardiac Muscle
C.
Smooth Muscle
D.
Striated Muscle
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Solution
Smooth muscle is involuntary and found in the walls of organs.
Correct Answer: C — Smooth Muscle
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Q. Which type of muscle tissue is striated and under voluntary control? (2023)
A.
Smooth muscle
B.
Cardiac muscle
C.
Skeletal muscle
D.
Involuntary muscle
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Solution
Skeletal muscle is striated and is under voluntary control, allowing for movement of the skeleton.
Correct Answer: C — Skeletal muscle
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Q. Which type of muscle tissue is striated and voluntary? (2023)
A.
Smooth muscle
B.
Cardiac muscle
C.
Skeletal muscle
D.
All of the above
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Solution
Skeletal muscle is striated and under voluntary control, allowing for conscious movement.
Correct Answer: C — Skeletal muscle
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Q. Which type of neuron carries signals away from the central nervous system? (2021)
A.
Sensory neurons
B.
Motor neurons
C.
Interneurons
D.
Glial cells
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Solution
Motor neurons carry signals away from the central nervous system to muscles and glands.
Correct Answer: B — Motor neurons
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Q. Which type of noise is most commonly associated with communication systems?
A.
White noise
B.
Impulse noise
C.
Thermal noise
D.
Shot noise
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Solution
White noise is the most commonly associated noise in communication systems, affecting signal quality.
Correct Answer: A — White noise
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Q. Which type of orbit allows a satellite to cover the entire surface of the Earth over time?
A.
Geostationary orbit
B.
Polar orbit
C.
Circular orbit
D.
Elliptical orbit
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Solution
A polar orbit allows a satellite to pass over the entire surface of the Earth as the Earth rotates beneath it.
Correct Answer: B — Polar orbit
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Q. Which type of orbit allows a satellite to cover the entire surface of the Earth?
A.
Geostationary orbit
B.
Polar orbit
C.
Elliptical orbit
D.
Circular orbit
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Solution
A polar orbit allows a satellite to pass over the entire surface of the Earth as the Earth rotates beneath it.
Correct Answer: B — Polar orbit
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Q. Which type of orbit allows a satellite to pass over the same point on the Earth's surface at the same local solar time every day?
A.
Polar orbit
B.
Geostationary orbit
C.
Sun-synchronous orbit
D.
Elliptical orbit
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Solution
A sun-synchronous orbit allows a satellite to pass over the same point on the Earth's surface at the same local solar time every day, as it is synchronized with the Earth's position relative to the Sun.
Correct Answer: C — Sun-synchronous orbit
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Q. Which type of plant is known for having a dominant sporophyte generation? (2021)
A.
Mosses
B.
Liverworts
C.
Ferns
D.
Algae
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Solution
Ferns have a dominant sporophyte generation, which is the diploid phase of their life cycle.
Correct Answer: C — Ferns
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Q. Which type of plant is known for having a life cycle that alternates between haploid and diploid generations? (2021)
A.
Fungi
B.
Bryophytes
C.
Angiosperms
D.
All of the above
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Solution
All of the above groups exhibit a life cycle that alternates between haploid (gametophyte) and diploid (sporophyte) generations.
Correct Answer: D — All of the above
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