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NECO SSCE Biology 2008 past questions and answers

This 2008 NECO SSCE Biology set has 40 practice questions. Try these 5 free sample questions, tap a question to reveal the answer and explanation. Then practise the whole 2008 set with instant marking.

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Sample NECO SSCE Biology 2008 questions

1. Which structure in a mammalian kidney is chiefly responsible for ultrafiltration of blood?
  1. Collecting duct
  2. Glomerulus
  3. Loop of Henle
  4. Renal pelvis

Answer: B. Glomerulus

High pressure in the glomerulus forces water and small solutes into Bowman's capsule.

2. A person loses much water through sweating on a hot day; which change is most likely in the urine produced?
  1. It becomes more concentrated and its volume decreases
  2. It becomes more dilute and its volume increases
  3. It contains more glucose and its volume increases
  4. It contains more urea but remains very dilute

Answer: A. It becomes more concentrated and its volume decreases

Water conservation increases reabsorption in the kidney, reducing urine volume and increasing its concentration.

3. Which nitrogenous waste is the main excretory product of most bony fishes?
  1. Uric acid
  2. Urea
  3. Ammonia
  4. Creatinine

Answer: C. Ammonia

Most bony fishes excrete ammonia directly, largely across the gill surfaces.

4. Which organelle breaks down hydrogen peroxide formed during cellular reactions?
  1. Ribosome
  2. Golgi body
  3. Lysosome
  4. Peroxisome

Answer: D. Peroxisome

Peroxisomes contain catalase, which decomposes hydrogen peroxide into water and oxygen.

5. In a flowering plant, guttation occurs when liquid water leaves the leaf mainly through
  1. stomata during intense transpiration
  2. hydathodes at leaf margins
  3. lenticels in the stem
  4. root hairs in moist soil

Answer: B. hydathodes at leaf margins

Guttation is the loss of liquid xylem sap through hydathodes, often at leaf tips or margins.

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