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 1291: Which of the following is true of the transverse section of a dicot system? Options:
  A) the xylem is more interiory located than the phleom
  B) the cambium lies between the cortex and the vascular bundles
  C) the vascular bundles are randomly scattered within the cortex
  D) the epidemis is completely encircled by the cortex
  Show Answer
  The correct answer is A .
• Question 1292: Vegetation propagation is described as asexual reproduction because Options:
  A) reproductive organs are not involved
  B) new individuals are not formed
  C) many new plants are produced
  D) there is no exchange of genetic materials
  Show Answer
  The correct answer is D .
• Question 1293: In the diagram, the function of the part labelled is to Options:
  A) produce egg cells
  B) protect sperms during fertilization
  C) secrete hormones during coitus
  D) protect the developing embryo
  Show Answer
  The correct answer is A .
• Question 1294: Choose the sequence which represents the correct order of organisms in a food chain. Options:
  A) Grass, snake, toad, grasshopper, hawk
  B) Grass, grasshopper, toad, snake, hawk
  C) Grass, grasshopper, snake, toad, hawk
  D) Grass, snake, grasshopper, toad, hawk
  E) Grass, toad, snake, grasshopper, hawk
  Show Answer
  The correct answer is B .
• Question 1295: Stomata of some plants are sunken and protected by hairs. These are features of Options:
  A) mesophytes
  B) epiphytes
  C) hydrophytes
  D) xerophytes
  Show Answer
  The correct answer is D .
• Question 1296: Which of the following is true of climax community? Options:
  A) it persists until the enviroment or climate changes
  B) it changes drastically from one year to the next
  C) it is first stage in succession
  D) It is made up of the tallest trees and the smallest
  Show Answer
  The correct answer is A .
• Question 1297: The role of the male adult honey bee is to Options:
  A) clean the hive
  B) ventilates the hive
  C) mate with the queen
  D) care for the young
  Show Answer
  The correct answer is C .
• Question 1298: The growth of a coleoptile towards unilateral light source is due to Options:
  A) rapid rate of photosynthesis
  B) unequal distribution of auxin
  C) the effect of geotropism
  D) the effect of photolysis
  Show Answer
  The correct answer is B .
• Question 1299:

  Which of the following is the correct classification of carbohydrates?

  Options:
  A) Lipid
  B) Phytonutrient
  C) Macronutrient
  D) Micronutrient
  Show Answer
  The correct answer is C .
• Question 1300: The chitin in the exoskeleton of many arthropods is strengthened by Options:
  A) lids
  B) proteins
  C) calcium compounds
  D) organic salt
  Show Answer
  The correct answer is C .