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 671: Which of the following choices correctly describes the composition of the cell membrane? Options:
  A) contains only lipids
  B) contains lipids and protein
  C) contains lipids and cytosol
  D) contains only proteins
  Show Answer
  The correct answer is B .
• Question 672: The radicle of a bean seedling grows most rapidly in the region Options:
  A) of the root tip
  B) just above the root tip
  C) just around the root tip
  D) just below the root tip
  Show Answer
  The correct answer is B .
• Question 673: A fresh Kolanut weighing 1g was put into salt solution. After 3 hour, the kolanut weighed 1.2g. This simple experiment demonstration that Options:
  A) the salt solution is more concentrated that the cell sap of the kolanut
  B) the cell sap of the kolanut is more concentrated than the salt solution
  C) the salt solution has the same concentration as the cell sap of the kolanut
  D) kolanut cell can multiply in water
  E) the kolanut lost some water molecules to the salt solution
  Show Answer
  The correct answer is B .
• Question 674: The blood circulatory system of vertebrates consists of Options:
  A) heart, arteries, capillaries and veins
  B) heart, aorta, capillaries and veins
  C) heart, aorta, arteries and veins
  D) heart, vena cava, arteries, and veins
  Show Answer
  The correct answer is A .
• Question 675: Which of the following hormonal glands is located on top of the kidney? Options:
  A) Adrenal
  B) gonads
  C) pancreas
  D) thyroid
  Show Answer
  The correct answer is A .
• Question 676: Which of the following is common to a dicotyledonous stem and monocotyledonous root? Options:
  A) Medullary rays
  B) Central pith
  C) Wide cortex
  D) Narrow cortex
  E) Pericycle fibres
  Show Answer
  The correct answer is B .
• Question 677:

  The display of male agama lizard is to?

  Options:
  A) scare predators
  B) regulate body temperature
  C) attract female for mate
  D) give invite to intruders
  Show Answer
  The correct answer is C .
• Question 678: The element common to protein carbohydrate and lipid is Options:
  A) hydrogen
  B) sulphur
  C) nitrogen
  D) phosphorus
  Show Answer
  The correct answer is A .
• Question 679: The richest source of vitamin A are Options:
  A) palm oil and groundnut oil
  B) palm oil and carrot
  C) rice and groundnut oil
  D) oranges and carrot
  Show Answer
  The correct answer is B .
• Question 680: Which of the following is a common characteristic of crustaceans? Options:
  A) Possession of a pair of antennae
  B) Possession of two pairs of antennae
  C) Each segmented has a pair of walking legs
  D) Four pairs walking on the cephalothorax
  Show Answer
  The correct answer is B .