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 1491: Underground stems which grow horizontally through the soil are Options:
  A) Bulbs
  B) Rhizomes
  C) Runners
  D) Corms
  E) Stolons
  Show Answer
  The correct answer is B .
• Question 1492:

  Which of the following controls all voluntary actions

  Options:
  A) Olfactory lobes
  B) Cerebrum
  C) Hypothalamus
  D) Pons varolii
  Show Answer
  The correct answer is B .
• Question 1493: when the two alleles present in an organism are of the same type, the genotype is described as Options:
  A) heterozygous
  B) heterogamous
  C) homozygous
  D) homologous
  Show Answer
  The correct answer is C .
• Question 1494: Production of naked seeds is a distinctive feature of the group of plant called Options:
  A) grasses
  B) conifers
  C) legumes
  D) palms
  Show Answer
  The correct answer is B .
• Question 1495: Insects visit flowers in order to Options:
  A) feed on the nectar
  B) deposit pollen on the stigma
  C) pollinate the flowers
  D) transfer pollen from anthers
  Show Answer
  The correct answer is A .
• Question 1496: Each of the following is an anthropod EXCEPT the Options:
  A) crab
  B) spider
  C) snail
  D) milipede
  E) cockroach
  Show Answer
  The correct answer is C .
• Question 1497:

  

  The structure labelled 1 is the

  Options:
  A) plumule
  B) radicle
  C) cell membrane
  D) seed coat
  Show Answer
  The correct answer is D .
• Question 1498: Adaptive features of plants to desert conditions include Options:
  A) thick barks, succulent stems and sunken stomata
  B) thin barks, succulent stems and sunken stomata
  C) thin barks, air floats on stems and sunken stomata
  D) air spaces in tissues, adventitious roots and thick barks
  Show Answer
  The correct answer is A .
• Question 1499:

  If both parents are heterozygous for a trait, the probability that an offspring will be recessive for that trait is

  Options:
  A) $\frac{1}{2}$
  B) $\frac{3}{4}$
  C) $\frac{1}{4}$
  D) $1$
  Show Answer
  The correct answer is C .
• Question 1500:

  The energy released by 1 gram of glucose is

  Options:
  A) 6 kcal
  B) 4 kcal
  C) 5 kcal
  D) 3 kcal
  Show Answer
  The correct answer is B .