BECE Science Online Mock Quiz 4

This question requires identifying which scientific process is not part of traditional salt production from brine.

This question tests the ability to distinguish between small-scale local industries and large-scale industrial productions.

This question requires the identification of a micronutrient (required in small quantities) as opposed to a macronutrient.

This question tests the ability to apply the formula for gravitational potential energy (P.E. = mgh), assuming g ≈ 10 m/s².

This question requires differentiating between organelles found in all cells (like membrane, cytoplasm) and those found only in specific types (like chloroplasts in plant cells).

This question tests the definition of potential energy as energy that is stored due to an object's position or state.

This question assesses the ability to identify a substance that exists in solid, liquid, and gaseous states.

This question requires the identification of a separation method that relies on the process of boiling and condensation.

This question tests the terminology of a soil profile, specifically the name for the parent rock layer.

This question tests the scientific term for the distinct layers observed in a soil profile.

This question tests the function of a switch in controlling the flow of current in an electrical circuit.

This question tests the fundamental definition of electric current as the flow of electrons.

This question assesses the practical application of distillation, a separation technique based on differences in boiling points.

This question tests the definition of reflection, a basic property of light.

This question requires the student to identify a mixture composed of two solid substances from the given options.

This question tests the scientific term for the continuous movement of water on, above, and below the surface of the Earth.

This question tests the fundamental property of magnets having two poles, a north and a south pole.

This question tests the terminology associated with simple machines, specifically the definition of a fulcrum.

This question requires the identification of a renewable energy source from the given options.

This question tests the definition of non-renewable resources as those that cannot be replaced within a human lifespan.

This question tests the definitions of atomic number (protons) and mass number (protons + neutrons).

This question assesses the understanding of a diode's fundamental property, which is to allow current to flow in only one direction.

This question tests the basic function of a Light Emitting Diode (LED) as a component that produces light when current passes through it.

This question tests the understanding that non-living (abiotic) factors like sunlight, water, and soil provide the necessary conditions to support life.

This question tests the general function of vitamins as essential micronutrients that help regulate various bodily processes.

This question assesses the knowledge that night blindness is caused by vitamin A deficiency and can be prevented by consuming foods rich in it.

This question tests the knowledge of anaemia as a condition resulting from insufficient iron, which is essential for haemoglobin production.

This question tests the specific knowledge of Kwashiorkor as a disease caused by severe protein deficiency.

This question assesses the understanding of how knowledge of nutritional deficiencies is applied to health and dietary planning.

This question requires the student to make a logical conclusion about the vital role of nutrition based on observational evidence.

This question tests the ability to recognize the physical signs of severe malnutrition and starvation.

This question assesses the knowledge of the digestive anatomy of poultry, which features a single-chambered stomach, unlike ruminants.

This question tests the key characteristic of ruminant animals, which is their specialized digestive system with multiple stomach compartments.

This question tests the understanding that different digestive systems require different types of feed and care.

This question requires the student to identify an example of a nutrient source derived from the decomposition of living organisms.

This question assesses the understanding of plant anatomy and the primary function of roots in absorbing water and mineral nutrients from the soil.

This question tests the ability to differentiate between nutrients derived from living matter (organic) and those from non-living, mineral sources (inorganic).

This question requires specific knowledge about the characteristics of the pupal stage in an insect's life cycle, where transformation into an adult occurs.

This question assesses the ability to reason about the practical applications of biological knowledge, such as in public health, agriculture, and scientific studies.

This question tests the knowledge of the four distinct stages of complete metamorphosis in insects, using the housefly as an example.