Major Competitive Exams
Q. Which of the following is NOT a function of connective tissue? (2022)
A.
Support
B.
Protection
C.
Secretion
D.
Transport
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Solution
Secretion is primarily a function of epithelial tissue, not connective tissue.
Correct Answer: C — Secretion
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Q. Which of the following is NOT a function of cytokinins? (2019)
A.
Promoting cell division
B.
Delaying leaf senescence
C.
Stimulating root growth
D.
Promoting apical dominance
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Solution
Cytokinins do not promote apical dominance; rather, they promote lateral bud growth.
Correct Answer: D — Promoting apical dominance
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Q. Which of the following is NOT a function of lipids?
A.
Energy storage
B.
Insulation
C.
Hormone production
D.
Genetic information storage
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Solution
Lipids do not store genetic information; that function is performed by nucleic acids.
Correct Answer: D — Genetic information storage
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Q. Which of the following is NOT a function of nitrogen in plants? (2023)
A.
Protein synthesis
B.
Photosynthesis
C.
Nucleic acid formation
D.
Chlorophyll production
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Solution
While nitrogen is essential for protein synthesis, nucleic acids, and chlorophyll production, it does not directly participate in the photosynthesis process.
Correct Answer: B — Photosynthesis
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Q. Which of the following is NOT a function of proteins?
A.
Enzymatic activity
B.
Energy storage
C.
Transport of molecules
D.
Cell signaling
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Solution
While proteins can be involved in energy metabolism, they are not primarily used for energy storage; carbohydrates and fats serve that purpose.
Correct Answer: B — Energy storage
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Q. Which of the following is NOT a function of the endoplasmic reticulum? (2022)
A.
Protein synthesis
B.
Lipid synthesis
C.
Detoxification
D.
Photosynthesis
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Solution
Photosynthesis is not a function of the endoplasmic reticulum; it occurs in chloroplasts.
Correct Answer: D — Photosynthesis
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Q. Which of the following is not a function of the liver in digestion? (2022)
A.
Production of bile
B.
Detoxification
C.
Storage of glucose
D.
Digestion of proteins
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Solution
The liver does not directly digest proteins; it produces bile and performs other functions.
Correct Answer: D — Digestion of proteins
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Q. Which of the following is NOT a function of the muscular system? (2020)
A.
Maintaining posture
B.
Generating heat
C.
Transporting oxygen
D.
Facilitating movement
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Solution
Transporting oxygen is primarily the function of the circulatory system, not the muscular system.
Correct Answer: C — Transporting oxygen
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Q. Which of the following is NOT a function of the plasma membrane? (2019)
A.
Transport of materials
B.
Cell communication
C.
Energy production
D.
Barrier to external environment
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Solution
The plasma membrane does not produce energy; it primarily functions as a barrier and facilitates transport and communication.
Correct Answer: C — Energy production
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Q. Which of the following is NOT a function of the stem in flowering plants? (2019)
A.
Support
B.
Transport of nutrients
C.
Photosynthesis
D.
Water absorption
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Solution
The stem does not absorb water; this function is primarily performed by the roots.
Correct Answer: D — Water absorption
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Q. Which of the following is not a fundamental force of nature?
A.
Gravitational force
B.
Electromagnetic force
C.
Nuclear force
D.
Frictional force
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Solution
Frictional force is not a fundamental force of nature; it is a macroscopic force resulting from the interaction of surfaces.
Correct Answer: D — Frictional force
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Q. Which of the following is NOT a fundamental quantity?
A.
Length
B.
Mass
C.
Time
D.
Force
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Solution
Force is not a fundamental quantity; it is a derived quantity based on mass, length, and time.
Correct Answer: D — Force
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Q. Which of the following is not a fundamental unit?
A.
Meter
B.
Kilogram
C.
Second
D.
Joule
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Solution
Joule is not a fundamental unit; it is a derived unit.
Correct Answer: D — Joule
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Q. Which of the following is NOT a gas law?
A.
Boyle's Law
B.
Charles's Law
C.
Avogadro's Law
D.
Newton's Law
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Solution
Newton's Law is not a gas law; it pertains to motion and forces.
Correct Answer: D — Newton's Law
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Q. Which of the following is not a hydrogen compound?
A.
H2O
B.
NH3
C.
CH4
D.
CO2
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Solution
Carbon dioxide (CO2) is not a hydrogen compound as it does not contain hydrogen.
Correct Answer: D — CO2
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Q. Which of the following is NOT a method for measuring surface area of adsorbents? (2022)
A.
BET method
B.
Langmuir method
C.
TGA method
D.
Gas adsorption method
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Solution
Thermogravimetric analysis (TGA) is not a method for measuring surface area; it is used to study thermal stability and composition.
Correct Answer: C — TGA method
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Q. Which of the following is NOT a method of asexual reproduction? (2020)
A.
Fragmentation
B.
Budding
C.
Spore formation
D.
Cross-fertilization
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Solution
Cross-fertilization involves the fusion of gametes from two different individuals, hence it is not asexual.
Correct Answer: D — Cross-fertilization
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Q. Which of the following is NOT a method of contraception? (2023)
A.
Condoms
B.
Birth control pills
C.
Intrauterine device
D.
Menstrual cycle
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Solution
The menstrual cycle is a natural process and not a method of contraception.
Correct Answer: D — Menstrual cycle
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Q. Which of the following is NOT a method of producing polarized light?
A.
Reflection
B.
Refraction
C.
Scattering
D.
Diffraction
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Solution
Diffraction does not produce polarized light; it is a phenomenon related to the bending of waves around obstacles.
Correct Answer: D — Diffraction
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Q. Which of the following is NOT a method to increase the rate of adsorption?
A.
Increasing temperature
B.
Increasing surface area
C.
Increasing pressure
D.
Decreasing particle size
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Solution
Increasing temperature generally decreases the rate of adsorption for exothermic processes, while the other options increase the rate.
Correct Answer: A — Increasing temperature
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Q. Which of the following is not a p-block element?
A.
Carbon
B.
Boron
C.
Sodium
D.
Nitrogen
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Solution
Sodium is an s-block element, while the others are p-block elements.
Correct Answer: C — Sodium
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Q. Which of the following is NOT a part of a typical flower? (2022)
A.
Stamen
B.
Carpel
C.
Leaf
D.
Petal
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Solution
A typical flower consists of stamens, carpels, petals, and sepals, but not leaves.
Correct Answer: C — Leaf
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Q. Which of the following is NOT a part of the flower? (2023)
A.
Stamen
B.
Pistil
C.
Root
D.
Petal
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Solution
The root is not a part of the flower; it is part of the plant's root system.
Correct Answer: C — Root
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Q. Which of the following is NOT a postulate of the kinetic molecular theory?
A.
Gas particles are in constant random motion
B.
Gas particles have negligible volume
C.
Gas particles attract each other
D.
The average kinetic energy of gas particles is proportional to temperature
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Solution
The kinetic molecular theory assumes that gas particles do not attract each other, which is why option 3 is NOT a postulate.
Correct Answer: C — Gas particles attract each other
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Q. Which of the following is NOT a practical application of a Wheatstone bridge?
A.
Measuring small resistances
B.
Calibration of measuring instruments
C.
Determining the specific resistance of a material
D.
Generating high voltages
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Solution
A Wheatstone bridge is not used for generating high voltages; it is used for measuring resistances.
Correct Answer: D — Generating high voltages
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Q. Which of the following is NOT a practical application of the Wheatstone bridge?
A.
Measuring unknown resistances
B.
Calibration of measuring instruments
C.
Determining the specific heat of a substance
D.
Testing electrical components
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Solution
Determining the specific heat of a substance is not a practical application of the Wheatstone bridge.
Correct Answer: C — Determining the specific heat of a substance
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Q. Which of the following is NOT a product of biotechnology? (2022)
A.
Antibiotics
B.
Hormones
C.
Synthetic fibers
D.
Fossil fuels
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Solution
Fossil fuels are not products of biotechnology; they are natural resources formed from ancient organic matter.
Correct Answer: D — Fossil fuels
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Q. Which of the following is NOT a product of microbial fermentation? (2022)
A.
Yogurt
B.
Bread
C.
Vinegar
D.
Sugar
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Solution
Sugar is not a product of microbial fermentation; it is a substrate that microbes ferment.
Correct Answer: D — Sugar
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Q. Which of the following is NOT a property of elastomers?
A.
High elasticity
B.
Low tensile strength
C.
Good thermal stability
D.
Ability to return to original shape
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Solution
Elastomers typically do not have good thermal stability; they are more flexible and can return to their original shape after deformation.
Correct Answer: C — Good thermal stability
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Q. Which of the following is not a property of f-block elements?
A.
Radioactivity
B.
High density
C.
High melting points
D.
Non-magnetic
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Solution
F-block elements are generally magnetic due to unpaired electrons, so 'Non-magnetic' is not a property.
Correct Answer: D — Non-magnetic
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