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BIOLOGY MCQs

Total Questions : 2561 | Page 256 of 257 pages
Question 2551. Name the blood cells in which nucleus is absent
  1.    Lymphocytes
  2.    Blood Platelets
  3.    Monocytes
  4.    Eosinophils
 Discuss Question
Answer: Option B. -> Blood Platelets
Question 2552. Which statement concerning the diagnosis of ADHD is true?
  1.    Boys are more likely to be diagnosed with ADHD than girls
  2.    Most children "outgrow" symptoms of ADHD
  3.    About 20 percent of school-age children are diagnosed with ADHD
  4.    Racial minority status is a good predictor of being diagnosed with ADHD
 Discuss Question
Answer: Option A. -> Boys are more likely to be diagnosed with ADHD than girls
Question 2553. Visceral fat is stored chiefly ____
  1.    within subcutaneous adipocytes
  2.    around the thighs and neck
  3.    around the abdominal organs
  4.    within the liver and spleen 
 Discuss Question
Answer: Option C. -> around the abdominal organs
Question 2554. What is the outcome when a cell undergoes meiosis?
  1.    Two haploid cells
  2.    Four haploid cells
  3.    Two diploid cells
  4.    Four diploid cells
 Discuss Question
Answer: Option B. -> Four haploid cells
Question 2555. The oval window is connected directly to which passageway?
  1.    scala tympani
  2.    external auditory meatus
  3.    scala vestibuli
  4.    pharyngotympanic tube
 Discuss Question
Answer: Option C. -> scala vestibuli
Question 2556. Which of the following is a characteristic of all angiosperms?
  1.    double internal fertilization
  2.    ovules that are not contained within ovaries
  3.    complete reliance on wind as the pollinating agent
  4.    free-living gametophytes
 Discuss Question
Answer: Option A. -> double internal fertilization
Question 2557. Which best describes somatic mutations?
  1.    transmitted to progeny
  2.    not transmitted to progeny
  3.    Can't be identified
  4.    None of the above
 Discuss Question
Answer: Option A. -> transmitted to progeny
Question 2558. Organisms need Nutrients in order to
  1.    Breaking down food
  2.    Utilize chemical compounds
  3.    recycling
  4.    None
 Discuss Question
Answer: Option A. -> Breaking down food
Question 2559. Select the correct statement about the uterine cycle
  1.    During the secretory phase, estrogen levels are at their highest.
  2.    During the proliferative phase, levels of progesterone rise as the follicle begins to produce more hormone.
  3.    If fertilization occurs, the corpus luteum is maintained by a hormone secreted by the developing embryo.
  4.    The menstrual phase of the cycle is from day 1 to day 8.
 Discuss Question
Answer: Option C. -> If fertilization occurs, the corpus luteum is maintained by a hormone secreted by the developing embryo.
Question 2560. Which best matches the description with the genetic material?
  1.    Chromosomes are located in the cytoplasm.
  2.    DNA is located in the nucleus.
  3.    Nucleotides form a helical structure that is called a gene.
  4.    Chromosomes create genes.
 Discuss Question
Answer: Option B. -> DNA is located in the nucleus.

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