Biology Exam Past Questions and Answers | JAMB, WAEC and NECO

Biology is the study of life and living things. It can be divided into different areas that look at the structure, function, anatomy, and behavior of organisms.

• Question 941: The hereditary materials of the cell is Options:
  A) the R N A
  B) protein
  C) the D N A
  D) carbohydrate
  Show Answer
  The correct answer is C .
• Question 942: If you cross breed a tall variety (Tt) of maize with a short variety (tt), the ratio of tall to short plants in the offspring will be Options:
  A) 2:1
  B) 1:2
  C) 1:1
  D) 1:3
  E) 3:1
  Show Answer
  The correct answer is C .
• Question 943: For growth to occur in organisms, the rate of Options:
  A) food storage must be low
  B) catabolism must exceed that of anabolism
  C) anabolism must exceed that of catabolism
  D) food storage must be high
  Show Answer
  The correct answer is C .
• Question 944: The flow of air and water in or out of the mesophyll layer of a leaf is controlled by the Options:
  A) stomata
  B) lenticels
  C) air space
  D) guard cell
  Show Answer
  The correct answer is D .
• Question 945: The appendicular skeleton is composed of the pectoral girdle Options:
  A) pelvic girdle, fore and hind limbs
  B) pelvic girdle and fore limns
  C) lumbar vertebrae and pelvic girdle
  D) lumbar vertebrae, fore and hind limbs
  Show Answer
  The correct answer is A .
• Question 946:

  The study which involves the inter-relationship between groups of organisms or species of organisms living together in an area is

  Options:
  A) Autecology
  B) Ecological niche
  C) Synecology
  D) Ecosphere
  Show Answer
  The correct answer is C .
• Question 947: Hydra removes undigested food by Options:
  A) passing it through the anus
  B) passing it through the mouth
  C) means of a contractile vacuole
  D) egesting it through the body surface
  Show Answer
  The correct answer is B .
• Question 948: Which of the following statements on the mammalian circulatory system is NOT true? Options:
  A) Blood in the pulimonary artery is richer in oxygen content than blood in the pulmonary vein
  B) The blood in the hepatic portal vein is the richest in food substance
  C) Blood flow is controlled by valves in the veins
  D) Arteries are generally thicker and larger than veins
  E) Fibrin helps in the formation of blood clot
  Show Answer
  The correct answer is A .
• Question 949: Which of the following characteristics is common to Amoeba and Paramecium? Options:
  A) Oral groove
  B) Trichocyst
  C) Contractile vacuole
  D) Cilia
  Show Answer
  The correct answer is C .
• Question 950:

  

  Which of the labelled parts allows for efficient absorption of water and minerals?

  Options:
  A) I
  B) II
  C) III
  D) IV
  Show Answer
  The correct answer is D .