Q. Which of the following is NOT a type of stress?
-
A.
Tensile stress
-
B.
Compressive stress
-
C.
Shear stress
-
D.
Thermal stress
Solution
Thermal stress is a result of temperature changes, while tensile, compressive, and shear stresses are types of mechanical stress.
Correct Answer: D — Thermal stress
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Q. Which of the following is NOT a type of transport in plants?
-
A.
Active transport
-
B.
Passive transport
-
C.
Facilitated diffusion
-
D.
Electrolysis
Solution
Electrolysis is not a type of transport in plants; it is a chemical process involving the decomposition of substances.
Correct Answer: D — Electrolysis
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Q. Which of the following is not a type of triangle?
-
A.
Equilateral
-
B.
Isosceles
-
C.
Scalene
-
D.
Quadrilateral
Solution
A Quadrilateral is a four-sided figure, not a triangle.
Correct Answer: D — Quadrilateral
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Q. Which of the following is NOT a type of volcanic landform? (2021)
-
A.
Shield volcano
-
B.
Cinder cone
-
C.
Caldera
-
D.
Mesa
Solution
A mesa is not a volcanic landform; it is a flat-topped hill with steep sides, formed by erosion.
Correct Answer: D — Mesa
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Q. Which of the following is NOT a unit of power?
-
A.
Horsepower
-
B.
Kilowatt
-
C.
Joule
-
D.
Watt
Solution
Joule is a unit of energy, not power. Power is measured in Watts, Kilowatts, and Horsepower.
Correct Answer: C — Joule
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Q. Which of the following is NOT a use of a potentiometer?
-
A.
Measuring emf of a cell.
-
B.
Comparing emf of two cells.
-
C.
Measuring resistance directly.
-
D.
Calibrating voltmeters.
Solution
A potentiometer is not used for direct resistance measurement; it is primarily used for voltage measurements.
Correct Answer: C — Measuring resistance directly.
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Q. Which of the following is NOT a use of microbes in agriculture? (2023)
-
A.
Nitrogen fixation
-
B.
Biopesticides
-
C.
Soil fertility enhancement
-
D.
Water pollution
Solution
Water pollution is not a use of microbes; rather, microbes can help improve soil fertility and act as biopesticides.
Correct Answer: D — Water pollution
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Q. Which of the following is NOT a use of microbes in human welfare? (2023)
-
A.
Bioremediation
-
B.
Food production
-
C.
Genetic engineering
-
D.
Causing infections
Solution
Causing infections is not a beneficial use of microbes; it is a harmful effect.
Correct Answer: D — Causing infections
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Q. Which of the following is NOT a valid application of the Binomial Theorem?
-
A.
Finding the expansion of (x + y)^n.
-
B.
Calculating the sum of a geometric series.
-
C.
Determining coefficients in polynomial expansions.
-
D.
Solving combinatorial problems.
Solution
The Binomial Theorem is specifically for polynomial expansions and does not apply to geometric series.
Correct Answer: B — Calculating the sum of a geometric series.
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Q. Which of the following is NOT a valid data type in Excel? (2023)
-
A.
Text
-
B.
Number
-
C.
Date
-
D.
Image
Solution
Image is not a valid data type in Excel; valid types include Text, Number, and Date.
Correct Answer: D — Image
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Q. Which of the following is NOT a valid representation in base 3?
-
A.
210
-
B.
201
-
C.
222
-
D.
230
Solution
In base 3, only digits 0, 1, and 2 are valid. '230' contains '3', which is invalid.
Correct Answer: D — 230
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Q. Which of the following is NOT a valid representation of the decimal number 10 in any base?
Solution
'22' cannot represent 10 in any base since it would require base 3 or higher.
Correct Answer: D — 22
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Q. Which of the following is NOT a view option in PowerPoint? (2023)
-
A.
Normal
-
B.
Slide Sorter
-
C.
Reading
-
D.
Outline
Solution
Reading is not a standard view option in PowerPoint; the correct options are Normal, Slide Sorter, and Outline.
Correct Answer: C — Reading
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Q. Which of the following is NOT a web browser?
-
A.
Chrome
-
B.
Firefox
-
C.
Outlook
-
D.
Safari
Solution
Outlook is an email client, not a web browser.
Correct Answer: C — Outlook
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Q. Which of the following is not an alkali metal?
-
A.
Lithium
-
B.
Sodium
-
C.
Calcium
-
D.
Potassium
Solution
Calcium is not an alkali metal; it is an alkaline earth metal.
Correct Answer: C — Calcium
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Q. Which of the following is not an alkaline earth metal? (2020)
-
A.
Barium
-
B.
Strontium
-
C.
Calcium
-
D.
Aluminum
Solution
Aluminum (Al) is not an alkaline earth metal; it is a post-transition metal.
Correct Answer: D — Aluminum
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Q. Which of the following is NOT an aromatic compound?
-
A.
Naphthalene
-
B.
Benzene
-
C.
Cyclooctatetraene
-
D.
Anthracene
Solution
Cyclooctatetraene is not aromatic because it does not satisfy Huckel's rule; it is non-planar and does not have a continuous overlap of p-orbitals.
Correct Answer: C — Cyclooctatetraene
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Q. Which of the following is not an assumption of the kinetic molecular theory?
-
A.
Gas particles are in constant motion
-
B.
Gas particles have no volume
-
C.
Gas particles attract each other
-
D.
Collisions between gas particles are elastic
Solution
The kinetic molecular theory assumes that gas particles do not attract or repel each other.
Correct Answer: C — Gas particles attract each other
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Q. Which of the following is NOT an email client? (2019)
-
A.
Outlook
-
B.
Thunderbird
-
C.
Gmail
-
D.
Google Chrome
Solution
Google Chrome is a web browser, not an email client. Outlook, Thunderbird, and Gmail are all email clients.
Correct Answer: D — Google Chrome
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Q. Which of the following is not an operating system? (2021)
-
A.
Windows
-
B.
Linux
-
C.
Android
-
D.
HTML
Solution
HTML is not an operating system; it is a markup language used for creating web pages.
Correct Answer: D — HTML
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Q. Which of the following is not an s-block element?
-
A.
Calcium
-
B.
Barium
-
C.
Magnesium
-
D.
Aluminum
Solution
Aluminum is not an s-block element; it is a p-block element.
Correct Answer: D — Aluminum
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Q. Which of the following is not continuous at x = 0?
-
A.
f(x) = x^3
-
B.
f(x) = e^x
-
C.
f(x) = 1/x
-
D.
f(x) = ln(x)
Solution
f(x) = 1/x is not continuous at x = 0 as it is undefined there.
Correct Answer: C — f(x) = 1/x
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Q. Which of the following is not found in prokaryotic cells? (2022)
-
A.
Ribosomes
-
B.
Nucleus
-
C.
Plasma Membrane
-
D.
Cytoplasm
Solution
Prokaryotic cells do not have a nucleus; their genetic material is not enclosed within a membrane.
Correct Answer: B — Nucleus
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Q. Which of the following is NOT mentioned as a benefit of the research?
-
A.
Improved public health outcomes
-
B.
Increased funding for future studies
-
C.
Enhanced understanding of disease mechanisms
-
D.
Development of new treatment protocols
Solution
The passage does not mention increased funding as a benefit, focusing instead on health outcomes and understanding.
Correct Answer: B — Increased funding for future studies
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Q. Which of the following is NOT mentioned as a challenge faced by the researchers?
-
A.
Limited funding
-
B.
Access to necessary technology
-
C.
Time constraints
-
D.
Public skepticism
Solution
The passage does not mention limited funding as a challenge, focusing instead on other obstacles faced by the researchers.
Correct Answer: A — Limited funding
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Q. Which of the following is the best conductor of heat?
-
A.
Air
-
B.
Water
-
C.
Copper
-
D.
Wood
Solution
Copper is known to be one of the best conductors of heat among the given options.
Correct Answer: C — Copper
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Q. Which of the following is the best definition of a factor?
-
A.
A number that can divide another number without leaving a remainder.
-
B.
A number that is a multiple of another number.
-
C.
A number that is less than another number.
-
D.
A number that is greater than one.
Solution
A factor is defined as a number that divides another number without leaving a remainder.
Correct Answer: A — A number that can divide another number without leaving a remainder.
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Q. Which of the following is the capital of France? (2023)
-
A.
Berlin
-
B.
Madrid
-
C.
Paris
-
D.
Rome
Solution
Paris is the capital city of France.
Correct Answer: C — Paris
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Q. Which of the following is the conjugate of the complex number 2 - 3i? (2020)
-
A.
2 + 3i
-
B.
2 - 3i
-
C.
3 - 2i
-
D.
3 + 2i
Solution
The conjugate of a complex number a + bi is a - bi. Thus, the conjugate of 2 - 3i is 2 + 3i.
Correct Answer: A — 2 + 3i
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Q. Which of the following is the conjugate of the complex number 5 - 3i? (2020)
-
A.
5 + 3i
-
B.
5 - 3i
-
C.
-5 + 3i
-
D.
-5 - 3i
Solution
The conjugate of a complex number a + bi is a - bi. Thus, the conjugate of 5 - 3i is 5 + 3i.
Correct Answer: A — 5 + 3i
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