WASSCE

OBJECTIVES 1. The legs of an accident victim with a fractured vertebral column and injured spinal cord could not be raised becauseA. impulses from receptors in the legs cannot travel to the brain.B. impulses from the brain cannot travel to the legs.C. chemical substances will be released at synapses in…

1. The following organisms are pests of plants exceptA. birds. B. nematodes. C. bacteria. D. rodents. 2. The use of predators or parasites to control pests in the farm is known as A. predator control. B. chemical control, C. biological control. D. animal control. 3. Which of the following is…

1. Which of the following natural resources is non-renewable? A. Water. B. Coal. C. Forest. D. Air. 2. Which of the following statements is not a reason for banning bush burning? It A. allows for quick regrowth of grasses. B. kills soil microorganisms. C. leaves the soil bare of vegetation.…

OBJECTIVES Use the substances listed below to answer questions 1 & 2. I. Fertilizer II. Insecticides III. Sewage IV. Crude oil V. Sulphur dioxide. 1. The atmosphere can be polluted by A. I only. B. Ill only. C. IV only. D. II and V only. 2. Which of the substances…

Introduction: Adaptation refers to the special features or characteristics that enable an organism to survive and reproduce successfully in its specific environment. These adaptations can be structural, behavioral, or physiological, and they play a crucial role in the survival of species across diverse habitats. Key Concepts: 1. Types of Adaptation:…

Introduction: In ecosystems, organisms interact in various ways that can be beneficial, harmful, or neutral. These interactions, known as biological associations, are crucial for maintaining ecological balance. Understanding these relationships is essential for students preparing for the WAEC Biology examination. Key Concepts: 1. Symbiosis: A close and long-term biological interaction…

Introduction: Nutrient cycling is a fundamental ecological process that ensures the continuous supply and movement of essential elements like carbon, nitrogen, phosphorus, and water within ecosystems. These cycles maintain the balance of nutrients, supporting life by enabling growth, reproduction, and energy transfer among organisms. Key Concepts: 1. Definition of Nutrient…