GENETICS
What is an allele?
A. A type of gene mutation
B. A different version of a gene
C. A chromosome pair
D. The physical trait shown
B. A different version of a gene ✅
What organelle is the "powerhouse" of the cell?
A. Ribosome
B. Nucleus
C. Mitochondrion
D. Vacuole
C. Mitochondrion ✅
DNA stands for:
A. Deoxyribonucleic acid
B. Dioxide nitrogen acid
C. Double nucleus acid
D. Dynamic nucleotide array
A. Deoxyribonucleic acid ✅
What does it mean to regulate homeostasis?
A. To grow very fast
B. To stay the same size
C. To maintain a stable internal environment
D. To respond to sound
C. To maintain a stable internal environment ✅
What should you always do before starting any lab activity?
A. Ask your lab partner for advice
B. Perform your own experiment
C. Follow all instructions given by the instructor
D. Start as soon as you enter the lab
C. Follow all instructions given by the instructor ✅
What does “homozygous” mean?
A. Two different alleles
B. Two dominant alleles
C. Two identical alleles
D. Two chromosomes
C. Two identical alleles ✅
Which part controls what goes in and out of the cell?
A. Cell wall
B. Cytoplasm
C. Nucleus
D. Cell membrane
D. Cell membrane ✅
DNA is shaped like a:
A. Ladder
B. Spiral
C. Double helix
D. Circle
C. Double helix ✅
What does it mean when we say living things have a "defined boundary"?
A. They mark territory
B. They always live alone
C. They are separated from their environment by a cell membrane
D. They have walls
C. They are separated from their environment by a cell membrane ✅
What should you do if a chemical touches your skin?
A. Rub it off with paper towel
B. Let it dry
C. Immediately rinse with large amounts of water
D. Ask a friend what to do
C. Immediately rinse with large amounts of water ✅
If brown eyes (B) are dominant and blue eyes (b) are recessive, what is the phenotype of a Bb person?
A. Blue eyes
B. Brown eyes
C. Green eyes
D. Hazel eyes
B. Brown eyes ✅
Which structure is found in plant cells but not animal cells?
A. Ribosome
B. Mitochondria
C. Cell wall
D. Nucleus
C. Cell wall ✅
Which base pairs with adenine (A)?
A. Cytosine
B. Guanine
C. Thymine
D. Uracil
C. Thymine ✅
Which of the following shows that a living thing uses energy?
A. Floating in water
B. Sleeping
C. Carrying out chemical reactions like digestion or photosynthesis
D. Being touched
C. Carrying out chemical reactions like digestion or photosynthesis ✅
When is eye protection required in the lab?
A. When working with papers
B. When there is a risk of eye injury
C. Only during dissections
D. Only when using fire
B. When there is a risk of eye injury ✅
What is the probability of two heterozygous parents (Bb) having a child with blue eyes (bb)?
A. 0%
B. 25%
C. 50%
D. 75%
B. 25% ✅
What does the rough ER have on its surface?
A. Vacuoles
B. Ribosomes
C. Lysosomes
D. DNA
B. Ribosomes ✅
What are the building blocks of DNA?
A. Amino acids
B. Nucleotides
C. Ribosomes
D. Enzymes
B. Nucleotides ✅
What does it mean when we say living things have internal organization?
A. Their organs are visible
B. Their parts are arranged in a specific order for function
C. They live in groups
D. They are made of bones and skin
B. Their parts are arranged in a specific order for function ✅
Which of these is proper lab attire?
A. Open-toed shoes and long sleeves
B. Apron, closed shoes, tied-back hair
C. Hoodie and jewelry
D. Crocs and earrings
B. Apron, closed shoes, tied-back hair ✅
What is the term for the actual genetic makeup of an organism, represented using different case letters?
A. Phenotype
B. Trait
C. Genotype
D. Allele
C. Genotype ✅
What is the function of the chloroplast?
A. Cell division
B. Protein production
C. Photosynthesis
D. Transport of nutrients
C. Photosynthesis ✅
What is the function of DNA?
A. Gives cells energy
B. It is the boss of the cell
C. Stores genetic instructions
D. Digests nutrients
C. Stores genetic instructions ✅
Which of these describes multiple characteristics of life?
A. Can fly and sleep
B. Grows, develops, reproduces
C. Sleeps and walks
D. Eats and plays
B. Grows, develops, reproduces ✅
Which of the following is NOT allowed in the lab?
A. Wearing gloves
B. Using your phone
C. Drinking water
D. Writing in a notebook
C. Drinking water ✅