Biology MCQ

Below Biology quiz are Multiple Choice Questions (MCQs) type Quiz. These Biology MCQ Questions helps you to refresh your Biology, you can see the correct option by clicking on it. .
  • 1. Sponges are most accurately described as

    • marine predators
    • chemoautrophs
    • filter feeders
    • freshwater scavengers
  • 2. Which statement concerning the diagnosis of ADHD is true?

    • Boys are more likely to be diagnosed with ADHD than girls
    • Most children "outgrow" symptoms of ADHD
    • About 20 percent of school-age children are diagnosed with ADHD
    • Racial minority status is a good predictor of being diagnosed with ADHD
  • 3. Which best describes somatic mutations?

    • transmitted to progeny
    • not transmitted to progeny
    • Can't be identified
    • None of the above
  • 4. The oval window is connected directly to which passageway?

    • scala tympani
    • external auditory meatus
    • scala vestibuli
    • pharyngotympanic tube
  • 5. What is the outcome when a cell undergoes meiosis?

    • Two haploid cells
    • Four haploid cells
    • Two diploid cells
    • Four diploid cells
  • 6. Which of the following is a characteristic of all angiosperms?

    • double internal fertilization
    • ovules that are not contained within ovaries
    • complete reliance on wind as the pollinating agent
    • free-living gametophytes
  • 7. Organisms need Nutrients in order to

    • Breaking down food
    • Utilize chemical compounds
    • recycling
    • None
  • 8. Select the correct statement about the uterine cycle.

    • During the secretory phase, estrogen levels are at their highest.
    • During the proliferative phase, levels of progesterone rise as the follicle begins to produce more hormone.
    • If fertilization occurs, the corpus luteum is maintained by a hormone secreted by the developing embryo.
    • The menstrual phase of the cycle is from day 1 to day 8.
  • 9. Which best matches the description with the genetic material?

    • Chromosomes are located in the cytoplasm.
    • DNA is located in the nucleus.
    • Nucleotides form a helical structure that is called a gene.
    • Chromosomes create genes.
  • 10. Mesenchymal cells are most commonly found in ________ connective tissue.

    • Epithelial
    • Embryonic
    • parenchymal
    • None of these