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BIOLOGY MCQs

Total Questions : 2561 | Page 254 of 257 pages
Question 2531. The thymus gland produces a hormone called
  1.    thyroxine
  2.    thymosin
  3.    thyronine
  4.    calcitonin
 Discuss Question
Answer: Option B. -> thymosin
Question 2532. How many pints of blood in the human body?
  1.    6 - 8
  2.    10 - 12
  3.    8 - 10
  4.    5 - 7
 Discuss Question
Answer: Option B. -> 10 - 12
Question 2533. Which of the following are longest cells of human body?
  1.    Pancreatic cells
  2.    Epethelial cells
  3.    Nerve cells
  4.    Epidermal cells
 Discuss Question
Answer: Option C. -> Nerve cells
Question 2534. What are the rungs of the DNA ladder made of?
  1.    phosphates and sugars
  2.    nitrates and sugars
  3.    nitrates and phosphates
  4.    sugars and hydrates
 Discuss Question
Answer: Option C. -> nitrates and phosphates
Question 2535. The largest gland of the human body is
  1.    Pancreas
  2.    Thyroid
  3.    Large Intestine
  4.    Liver
 Discuss Question
Answer: Option D. -> Liver
Question 2536. Hardest Part of the Human Body?
  1.    Tooth Enamel
  2.    Femur
  3.    Temporal bone of skull
  4.    Knee bone
 Discuss Question
Answer: Option A. -> Tooth Enamel
Question 2537. What is the structural unit of compact bone?
  1.    Osteon
  2.    Spongy bone
  3.    Lamellae
  4.    Periosteum
 Discuss Question
Answer: Option A. -> Osteon
Question 2538. Only movable bone in the skull
  1.    Occipital bone
  2.    Frontal bone
  3.    Mandible
  4.    Temporal bone
 Discuss Question
Answer: Option C. -> Mandible
Question 2539. Part of the plant where photosynthesis generally occurs
  1.    roots
  2.    leaves
  3.    branches
  4.    flowers
 Discuss Question
Answer: Option B. -> leaves
Question 2540. The renal corpuscle is made up of
  1.    Bowman's capsule
  2.    Glomerulus
  3.    Both A & B
  4.    None of the above
 Discuss Question
Answer: Option C. -> Both A & B

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