Which of the following statements is true about homozygous recessive individuals?
A) They have two different alleles for a gene.
B) They exhibit the dominant trait.
C) They will always pass on a recessive allele.
D) They will never pass on a recessive allele.
In which phase of the cell cycle does DNA replication occur?
A) G1 phase
B) S phase
C) G2 phase
D) M phase
What is the function of a ribosome during protein synthesis?
A) To assemble amino acids into a protein
B) To transcribe DNA into mRNA
C) To synthesize RNA from DNA
D) To replicate DNA
Explanation: Ribosomes are the sites of protein synthesis, where amino acids are linked together to form proteins.
What is a gene mutation?
A) A change in the sequence of nucleotides in a gene
B) A change in the phenotype of an organism
C) A change in the number of chromosomes in an organism
D) A change in the genotype of an organism
Explanation: A gene mutation is a permanent alteration in the sequence of nucleotides in a gene.
What is the genetic difference between a male and a female?
A) Females have two X chromosomes; males have one X and one Y chromosome.
B) Males have two X chromosomes; females have one X and one Y chromosome.
C) Males have two Y chromosomes; females have one X and one Y chromosome.
D) There is no genetic difference between males and females.
What is the purpose of using a high numerical aperture (NA) lens in microscopy?
A) To increase the depth of field
B) To improve image resolution
C) To decrease the field of view
D) To reduce specimen brightness
Which microscopy technique is most effective for imaging thick specimens?
A) Phase Contrast Microscopy
B) Fluorescence Microscopy
C) Confocal Microscopy
D) Brightfield Microscopy
In which type of microscopy is a specimen coated with a thin layer of metal?
A) Transmission Electron Microscopy (TEM)
B) Scanning Electron Microscopy (SEM)
C) Brightfield Microscopy
D) Confocal Microscopy
Which microscopy technique is used for identifying specific proteins within a cell?
A) Light Microscopy
B) Fluorescence Microscopy
C) Scanning Electron Microscopy
D) Phase Contrast Microscopy
What does "field of view" refer to in microscopy?
A) The amount of light used in the microscope
B) The area of the specimen visible through the eyepiece
C) The total magnification of the image
D) The thickness of the specimen

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