AS Associate Of Science In Biology 2 — Questions and Answers
Question 1: Which kingdom includes organisms that are eukaryotic, multicellular, and obtain nutrients by absorption?
- Animalia
- Plantae
- Fungi (Correct answer)
- Protista
Correct answer: Fungi
Kingdom Fungi includes eukaryotic, multicellular organisms (with some unicellular exceptions) that are heterotrophic and absorb nutrients from their environment.
Question 2: What is the correct sequence of the scientific classification hierarchy from broadest to most specific?
- Domain, Kingdom, Phylum, Class, Order, Family, Genus, Species (Correct answer)
- Kingdom, Domain, Phylum, Order, Class, Family, Genus, Species
- Domain, Phylum, Kingdom, Class, Family, Order, Genus, Species
- Kingdom, Phylum, Domain, Class, Order, Family, Species, Genus
Correct answer: Domain, Kingdom, Phylum, Class, Order, Family, Genus, Species
The correct Linnaean taxonomic hierarchy from broadest to most specific is Domain, Kingdom, Phylum, Class, Order, Family, Genus, Species.
Question 3: Which process describes the movement of water across a semipermeable membrane from an area of low solute concentration to high solute concentration?
- Active transport
- Diffusion
- Osmosis (Correct answer)
- Facilitated diffusion
Correct answer: Osmosis
Osmosis is the passive movement of water through a semipermeable membrane from a region of lower solute concentration to higher solute concentration.
Question 4: What molecule directly carries amino acids to the ribosome during translation?
- mRNA
- rRNA
- tRNA (Correct answer)
- DNA
Correct answer: tRNA
Transfer RNA (tRNA) carries specific amino acids to the ribosome and matches anticodons to mRNA codons during translation.
Question 5: Which blood type is considered the universal donor for red blood cell transfusions?
- Type A
- Type B
- Type AB
- Type O negative (Correct answer)
Correct answer: Type O negative
Type O negative blood lacks both ABO antigens and the Rh factor, making it compatible with all blood types for red blood cell transfusions.
Question 6: What is the term for the variety of life on Earth including genetic, species, and ecosystem diversity?
- Evolution
- Ecology
- Biodiversity (Correct answer)
- Taxonomy
Correct answer: Biodiversity
Biodiversity refers to the variety of life on Earth at all its levels, including genetic diversity, species diversity, and ecosystem diversity.
AS Associate Of Science In Biology 2
Which kingdom includes organisms that are eukaryotic, multicellular, and obtain nutrients by absorption?