BECE Science Online Quiz 8 for Grade 7 – 9

This question tests basic astronomical knowledge.

This question tests the scientific term for the change of state from liquid to solid.

This question tests the basic definition of reflection in optics.

This question tests the ecological classification of animals based on their diet.

This question tests the knowledge of plant reproduction and the development of plant parts after fertilization.

This question tests the knowledge of standard units in electricity.

This question tests the identification of simple machines based on their description.

This question tests the knowledge of the composition of the Earth's atmosphere.

This question tests the biological definition of digestion.

This question requires the identification of the term that is not one of the common states of matter.

This question tests the definition of kinetic energy.

This question tests the knowledge of the components of blood and their roles in the body.

This question requires the ability to classify mixtures based on the visibility and uniform distribution of their components.

This question tests the anatomy and function of the human eye.

This question tests the ability to calculate total resistance in a series circuit, where resistances add up.

This question tests the knowledge of the chemical symbols for common elements.

This question tests the physics definition of inertia.

This question assesses knowledge of the circulatory system and the differences between arteries and veins.

This question tests a fundamental physical property of water.

This question tests the ecological term for an organism that feeds on decaying matter.

This question tests the relationship between the physical properties of a sound wave and its perceived characteristics.

This question tests the definition of photosynthesis.

This question tests the common name for the medical term hypertension.

This question assesses the understanding of how soil particle size affects its ability to hold water.

This question tests the function of the nucleus as the control center of the eukaryotic cell.

This question tests the definition of radiation as a mode of heat transfer.

This question requires the ability to classify levers based on the relative positions of the fulcrum, effort, and load.

This question tests the ability to write the correct chemical formula for a common ionic compound.

This question tests the knowledge of pollination syndromes and the features that attract insects.

This question tests the definition of biodegradable materials.

This question assesses the knowledge of disease vectors and the specific diseases they transmit.

This question tests the knowledge of separation techniques suitable for an insoluble solid mixed with a liquid solution.

This question tests the application of Newton's Second Law of Motion (F=ma) to calculate force.

This question assesses the understanding of sustainable agricultural practices, particularly the role of legumes in nitrogen fixation.

This question tests the terminology for operating a diode, specifically the condition for forward bias.

This question assesses the practical knowledge of farm tools and their specific functions in land preparation.

This question tests the ability to calculate the mass number of an atom, which is the sum of its protons and neutrons.

This question requires differentiating between a physical change, which does not create a new substance, and a chemical change.

This question tests the ability to calculate the efficiency of a machine using the formula: Efficiency = (Work Output / Work Input) × 100%.

This question tests the understanding of energy flow in an ecosystem, where energy moves from producers to consumers.