Q. Which of the following is not a domain of life? (2022)
A.
Bacteria
B.
Archaea
C.
Eukarya
D.
Viruses
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Solution
Viruses are not classified as a domain of life.
Correct Answer: D — Viruses
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Q. Which of the following is NOT a factor that can lead to evolution? (2020)
A.
Natural Selection
B.
Genetic Drift
C.
Environmental Stability
D.
Mutation
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Solution
Environmental Stability does not lead to evolution; rather, it is the changes in the environment that drive evolutionary processes.
Correct Answer: C — Environmental Stability
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Q. Which of the following is not a feature of the kingdom Protista? (2021)
A.
Eukaryotic
B.
Unicellular or multicellular
C.
Photosynthetic or heterotrophic
D.
Cell wall made of chitin
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Solution
Protista do not have a cell wall made of chitin; this is characteristic of fungi.
Correct Answer: D — Cell wall made of chitin
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Q. Which of the following is not a form of energy? (2020)
A.
Kinetic Energy
B.
Potential Energy
C.
Thermal Energy
D.
Magnetic Field
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Solution
Magnetic field is not a form of energy; it is a field that exerts a force on charged particles.
Correct Answer: D — Magnetic Field
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Q. Which of the following is NOT a function of blood? (2023)
A.
Transporting gases
B.
Regulating body temperature
C.
Producing hormones
D.
Transporting nutrients
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Solution
While blood plays many roles, it does not produce hormones; hormones are produced by glands in the endocrine system.
Correct Answer: C — Producing hormones
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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 iron in plants? (2022)
A.
Chlorophyll synthesis
B.
Electron transport
C.
Cell wall formation
D.
Enzyme activation
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Solution
Iron is not directly involved in cell wall formation; it primarily functions in chlorophyll synthesis and electron transport.
Correct Answer: C — Cell wall formation
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Q. Which of the following is not a function of living organisms? (2023)
A.
Metabolism
B.
Reproduction
C.
Photosynthesis
D.
Inactivity
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Solution
Inactivity is not a function of living organisms; they are characterized by metabolic activity.
Correct Answer: D — Inactivity
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Q. Which of the following is NOT a function of magnesium in plants? (2023)
A.
Chlorophyll formation
B.
Enzyme activation
C.
Water transport
D.
Nutrient uptake
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Solution
Magnesium is not directly involved in water transport; it primarily aids in chlorophyll formation and enzyme activation.
Correct Answer: C — Water transport
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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 stems in flowering plants? (2022)
A.
Support
B.
Transport of nutrients
C.
Photosynthesis
D.
Water absorption
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Solution
Stems primarily support the plant, transport nutrients and water, but do not absorb water; this is the function of roots.
Correct Answer: D — Water absorption
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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 liver? (2022)
A.
Detoxification
B.
Bile production
C.
Protein synthesis
D.
Digestion of carbohydrates
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Solution
The liver does not directly digest carbohydrates; it plays roles in detoxification, bile production, and protein synthesis.
Correct Answer: D — Digestion of carbohydrates
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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 skeletal system? (2020)
A.
Support
B.
Movement
C.
Blood cell production
D.
Hormone secretion
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Solution
The skeletal system does not secrete hormones; this function is primarily associated with the endocrine system.
Correct Answer: D — Hormone secretion
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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 function of the stem? (2019)
A.
Support
B.
Transport of nutrients
C.
Photosynthesis
D.
Water absorption
Show solution
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 lipid? (2023)
A.
Triglycerides
B.
Phospholipids
C.
Cholesterol
D.
Glucose
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Solution
Glucose is a carbohydrate, not a lipid.
Correct Answer: D — Glucose
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Q. Which of the following is not a living organism? (2022)
A.
Bacteria
B.
Virus
C.
Fungi
D.
Algae
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Solution
Viruses are not considered living organisms as they cannot carry out metabolic processes on their own.
Correct Answer: B — Virus
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Q. Which of the following is NOT a mechanism of water transport in plants?
A.
Osmosis
B.
Cohesion
C.
Adhesion
D.
Photosynthesis
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Solution
Photosynthesis is a process that converts light energy into chemical energy, not a mechanism of water transport.
Correct Answer: D — Photosynthesis
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Q. Which of the following is NOT a Mendelian trait? (2022)
A.
Flower color in pea plants
B.
Blood type in humans
C.
Height in humans
D.
Skin color in humans
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Solution
Skin color in humans is a polygenic trait and does not follow Mendelian inheritance patterns.
Correct Answer: D — Skin color in humans
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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 gene transfer in plants? (2020)
A.
Agrobacterium-mediated transformation
B.
Microinjection
C.
Electroporation
D.
Transfection
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Solution
Transfection is a method primarily used in animal cells, while the other methods are commonly used for gene transfer in plants.
Correct Answer: D — Transfection
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Q. Which of the following is NOT a method of water transport in plants?
A.
Osmosis
B.
Diffusion
C.
Active transport
D.
Photosynthesis
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Solution
Photosynthesis is a process that converts light energy into chemical energy, not a method of water transport.
Correct Answer: D — Photosynthesis
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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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