Q. What is the function of the lysosome?
  • A. Energy production
  • B. Protein synthesis
  • C. Digestion of waste materials
  • D. Photosynthesis
Q. What is the function of the phloem in flowering plants?
  • A. Transporting water
  • B. Transporting nutrients
  • C. Transporting sugars
  • D. Providing support
Q. What is the function of the promoter region in a gene?
  • A. To code for proteins
  • B. To initiate transcription
  • C. To terminate transcription
  • D. To splice RNA
Q. What is the general formula for alkenes?
  • A. C_nH_(2n)
  • B. C_nH_(2n+2)
  • C. C_nH_n
  • D. C_nH_(2n-2)
Q. What is the group number of Alkali metals in the periodic table?
  • A. 1
  • B. 2
  • C. 13
  • D. 18
Q. What is the heat transfer method that occurs without the movement of matter?
  • A. Conduction
  • B. Convection
  • C. Radiation
  • D. Advection
Q. What is the hybridization of the central atom in phosphorus pentachloride (PCl5)?
  • A. sp
  • B. sp2
  • C. sp3
  • D. sp3d
Q. What is the hybridization of the central atom in SF6?
  • A. sp
  • B. sp2
  • C. sp3
  • D. sp3d2
Q. What is the limit of (3x^2 - 2x + 1) as x approaches 2?
  • A. 5
  • B. 7
  • C. 9
  • D. 11
Q. What is the main characteristic of a black hole according to general relativity?
  • A. It has infinite density and zero volume.
  • B. It emits light.
  • C. It can be seen with the naked eye.
  • D. It has a strong magnetic field.
Q. What is the main characteristic of alkynes?
  • A. Single bonds
  • B. Double bonds
  • C. Triple bonds
  • D. Aromaticity
Q. What is the main event that occurs during anaphase?
  • A. Chromosomes condense
  • B. Sister chromatids separate
  • C. Nuclear envelope reforms
  • D. Chromosomes align
Q. What is the main function of a heat exchanger?
  • A. To increase the temperature of a fluid
  • B. To transfer heat between two or more fluids
  • C. To convert thermal energy into mechanical work
  • D. To measure temperature
Q. What is the main function of gibberellins in plants?
  • A. Promote flowering
  • B. Inhibit growth
  • C. Stimulate seed germination
  • D. Enhance photosynthesis
Q. What is the main function of the nephron in the kidneys?
  • A. Filtration of blood
  • B. Production of hormones
  • C. Storage of urine
  • D. Regulation of blood pressure
Q. What is the main goal of the North Atlantic Treaty Organization (NATO)?
  • A. Economic development
  • B. Military defense
  • C. Environmental protection
  • D. Cultural exchange
Q. What is the main idea behind wave-particle duality?
  • A. Particles can only behave as waves.
  • B. Waves can only behave as particles.
  • C. Particles and waves are two different entities.
  • D. Particles exhibit both wave-like and particle-like properties.
Q. What is the main purpose of leaves in flowering plants?
  • A. Storage of nutrients
  • B. Photosynthesis
  • C. Reproduction
  • D. Water absorption
Q. What is the main purpose of respiration in plants?
  • A. To produce glucose
  • B. To release energy
  • C. To absorb water
  • D. To synthesize proteins
Q. What is the main purpose of the Calvin cycle?
  • A. To capture light energy
  • B. To produce glucose
  • C. To release oxygen
  • D. To absorb carbon dioxide
Q. What is the major product of the reaction of 1-bromopropane with sodium hydroxide in ethanol?
  • A. Propene
  • B. 1-Propanol
  • C. 2-Propanol
  • D. No reaction
Q. What is the maximum number of electrons that can occupy the third energy level?
  • A. 2
  • B. 8
  • C. 18
  • D. 32
Q. What is the maximum oxidation state of phosphorus in its compounds?
  • A. +3
  • B. +5
  • C. +7
  • D. +1
Q. What is the modulus of the complex number 3 + 4i?
  • A. 5
  • B. 7
  • C. 1
  • D. 4
Q. What is the molar mass of potassium (K)?
  • A. 39 g/mol
  • B. 40 g/mol
  • C. 41 g/mol
  • D. 42 g/mol
Q. What is the molar mass of water (H2O)?
  • A. 16 g/mol
  • B. 18 g/mol
  • C. 20 g/mol
  • D. 22 g/mol
Q. What is the molecular formula of the compound formed when sulfur reacts with oxygen?
  • A. SO
  • B. SO2
  • C. SO3
  • D. S2O
Q. What is the molecular geometry of ammonia (NH3)?
  • A. Linear
  • B. Trigonal planar
  • C. Tetrahedral
  • D. Trigonal pyramidal
Q. What is the most common oxidation state of hydrogen in compounds?
  • A. -1
  • B. 0
  • C. +1
  • D. +2
Q. What is the next number in the sequence 1, 1, 2, 3, 5, ...?
  • A. 7
  • B. 8
  • C. 9
  • D. 10
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