<p class="sensei-content-description"><strong>Read each question carefully and choose the correct option from letter A – D</strong></p> <figure class="wp-block-image aligncenter size-full"><img src="https://www.primacyebooks.com/wp-content/uploads/2024/09/Revision-eercise.png" alt="" class="wp-image-21035"/></figure> _ is a member of an order of mammals with a large brain and complex hands and feet. A. Primate B. Lion C. Elephant D. None of the above _ is a place where an organism lives naturally A. Forest B. Sea C. Habitat D. Land _ is the processes by which plants and animals use carbon iv oxide and return it back to the atmosphere A. Food web B. Carbon cycle C. Food chain D. Food cycle __ controls all the activities of the internal organs such as blood circulations, respiration, digestion, excretion reproduction, etc. A. Forebrain B. Midbrain C. Hindbrain D. Medulla oblongata The biologists who study habitats are called _. A. Habiters B. Ecologists C. Biologists D. Zoologists Living organisms found living in _ include human beings, domestic animals, wild animals and plants. A. Aquatic habitat B. Terrestrial habitat C. Home habitat D. Arboreal habitat __ is the part of the brain that connects the spinal cord and the rest of the brain. A. Forebrain B. Midbrain C. Hindbrain D. Large intestine __ is the study of organisms in relation to their environment A. Zoology B. Botany C. Biology D. Ecology The name arboreal comes from a Latin word which means _ A. Air B. Tree C. Sky D. Above the ground The following are types of habitat except _ A. Aquatic habitat B. Terrestrial habitat C. Home habitat D. Arboreal habitat __ is made up of the cerebellum and medulla oblongata. A. Forebrain B. Midbrain C. Hindbrain D. None of the above _ habitat refers to water environment. A. Aquatic habitat B. Terrestrial habitat C. Home habitat D. Arboreal habitat One of the most abundant elements in the environment is __ A. Gold B. Carbon C. Hydrogen D. Helium Desert, forest and savanna habitats are examples of __. A. Aquatic habitat B. Terrestrial habitat C. Home habitat D. Arboreal habitat _ is a more advanced feeding relationship existing between a producer (plant) and a consumer (animal) of which organisms feed on more than one organism at different energy levels. A. Food web B. Habitat C. Food chain D. Carbon cycle _ are chemicals that function based on the activities within the nucleus. A. Pharmaceutical chemicals B. Nuclear chemicals C. Agrochemicals D. Industrial chemicals The following are types of aquatic habitat except _ A. Fresh water habitat B. Marine habitat C. Arboreal habitat D. Estuarine habitat The relationships existing between the producers and consumers in terms of food is called _ A. Adaptation B. Habitat C. Plants and animals D. Food chain Animals take in carbon stored in plants as food and release it out during _ A. excretion B. respiration C. exercise D. perspiration The following are aquatic animals except __ A. Frog B. Crabs C. Octopus D. Dog __ controls the muscles of the eyes A. Forebrain B. Midbrain C. Hindbrain D. Medulla oblongata __ is a habitat above ground level where certain organisms are able to live and feed. A. Aquatic habitat B. Terrestrial habitat C. Mars habitat D. Arboreal habitat _ means special features that help an organism to live and survive in a particular habitat. A. Adaptation B. Environment C. Ecology D. None of the above _ is the arrangement of organisms serially in order of feeding relationship, food and energy flow. A. Carbon cycle B. Food chain C. Habitat D. All of the above Human beings belong to a sub-group of mammals called ¬¬¬¬¬¬¬_ A. Big animal B. Ape C. Primate D. Chimpanzee All primates are mammals but not all mammals are primates. A. True B. False C. Not sure D. Partially true __ are advanced from all other animals because they have a well-developed brain which is reflected in their ability to reason, solve problems, observe, inquire, measure and make inferences. A. Robots B. Elephants C. Lions D. Human being _ is the largest part of the human brain. A. Forebrain B. Midbrain C. Hindbrain D. All of the above __ is used for learning, memorizing, reasoning and solving problems; as well as for speech and voluntary movements of the limbs. A. Forebrain B. Midbrain C. Hindbrain D. Medulla oblongata _ is different from all other animals because it has a large expanded brain. A. Human being B. Lion C. Whale D. Elephant _ is the area of the brain that participates in the control of speech. A. Parietal lobe B. Temporal lobe C. Occipital lobe D. Frontal lobe Growth is also defined as the permanent increase in size of an organism due to increase in number of cells. A. True B. False C. Not sure D. Partially true The following are the three main stages of growth in living organisms except _ A. Cell division B. Cell enlargement C. Cell differentiation D. Cell development The cells which are produced as a result of cell division are called _ A. Parent cells B. Daughter cells C. Child cells D. New cells _ are changes that progressively take place in a growing person as he/she advances to maturity. A. Growth changes B. Formation C. Developmental changes D. All of the above Around the __, the placenta breaks off from the wall of the uterus and the foetus is forced out by the contraction of muscles of the uterine wall. A. 5th month B. 7th month C. 9th month D. 11th month One of the following is not a developmental stage humans pass through. A. Babyhood B. Infancy C. Childhood D. Adolescence __ is the period of dramatic growth which last from birth to around two (2) years. A. Infancy B. Adolescence C. Childhood D. Babyhood __ is a period starting from two (2) to twelve (12) years and the second stage of development. A. Infancy B. Adolescence C. Childhood D. Puberty _ is a period from 12 years until 18 years when the sex organs have fully developed. A. Infancy B. Adolescence C. Childhood D. Adulthood __ is the stage of full maturity, from eighteen (18) years and above. A. Infancy B. Adolescence C. Childhood D. Adulthood The following are factors that affect growth and development except _ A. Food B. Heredity C. Exercise and rest D. None of the above __ are raw materials that are produced in the laboratory which are required by chemical industries for chemical processes. A. Drugs B. Chemicals C. Fertilizer D. Atoms __ are chemicals formulated to act as remedy on living cells, they could be herbal or chemical synthesis. A. Pharmaceutical chemicals B. Nuclear chemicals C. Agrochemicals D. Industrial chemicals The S.I unit of power is __ A. joule B. watt C. newton D. meter __ are chemicals used for agricultural purposes. A. Laboratory chemicals B. Nuclear chemicals C. Agrochemicals D. Industrial chemicals Alcohol, acid, chlorides, and carbonates are examples of __ A. Pharmaceutical chemicals B. Nuclear chemicals C. Agrochemicals D. Industrial chemicals _ are used to carry out experiments, various scientific works and also for the preservation of specimens. A. Laboratory chemicals B. Nuclear chemicals C. Agrochemicals D. Industrial chemicals __ implies the dangerous effects of the chemicals on living things and the environment. A. Chemical use B. Chemical hazard C. Fertilizer D. Non-toxic chemicals __ is the measures that must be carried out for proper usage and storage of chemicals to ensure the protection of the users. A. Chemical use B. Chemical hazard C. Chemical safety D. Non-toxic chemicals __ are substances that cannot be broken down into simpler substances by any chemical means. A. Atoms B. Elements C. Chemicals D. Molecules There are _ known elements as at 2023 A. 102 B. 108 C. 118 D. 123 _ is a chemical substance composed of many identical molecules composed of atoms from more than one element held together by chemical bonds. A. Atom B. Element C. Chemical compound D. Molecule Element is made up of smaller particles called __ A. Atom B. Element C. Carbon D. Molecule __ is the smallest part of an element that can take part in chemical reaction. A. Hydrogen B. Element C. Atom D. Molecule _ is the biggest natural source of energy to us. A. The Sun B. Food C. Water D. God __ is a group of two or more atoms held together by chemical bonds. A. Atoms B. Elements C. Nucleus D. Molecules Proton and neutron are in the __ while the electron is on the shell A. Compound B. Elements C. Nucleus D. Molecules _ is the physical combination of two or more substances that are not chemically combined and can be separated by any physical method. A. Mixture B. Element C. Chemical compound D. Molecule _ is a change in which no new substance is formed. A. Physical change B. Chemical change C. Spiritual change D. All of the above __ is a change resulting from a chemical reaction which is accompanied by the release of energy, leading to the production of one or more new substance. A. Physical change B. Chemical change C. Spiritual change D. Molecular change __ is defined as the application of force to an object or body such that the object or body moves through a distance. A. Work B. Energy C. Power D. Strength __ is a push or pull which changes a body’s state of rest or uniform motion in a straight line A. Work B. Energy C. Power D. Force _ is the ability to do work. A. Strength B. Energy C. Power D. Force __ is the rate at which work is done. A. Strength B. Energy C. Power D. Force __ is energy that results from movement or the location of an object. It is further classified into potential energy and kinetic energy. A. Heat energy B. Sound energy C. Mechanical energy D. Thermal energy __ is the energy an object possesses by virtue of its position or level. A. Potential energy B. Sound energy C. Mechanical energy D. Kinetic energy __ is the energy possessed by an object due to its motion. A. Potential energy B. Sound energy C. Mechanical energy D. Kinetic energy __ energy refers to the energy contained within a system that is responsible for its temperature. A. Solar B. Thermal C. Kinetic D. Sound A boy pushes a box along a horizontal surface with a force of 18N. Find the work done in moving the box through a distance of 5m. A. 80J B. 90J C. 50J D. 100J __ cannot be created nor destroyed in an isolated system rather it can be converted from one form to another. A. Strength B. Energy C. Power D. Force The kinetic theory of matter is also known as the _ A. moving molecule theory B. atomic theory C. theory of life D. basic theory __ is used to explain scientific facts about properties of solids, liquids and gases as well as their interactions. A. Atomic theory B. Basic theory C. Kinetic theory of matter D. None of the above __ have definite shape and therefore definite volume. A. Solid B. Liquid C. Gas D. Atom __ have no definite shape, they take the shape of the container they are put in. A. Solid B. Liquid C. Gas D. Molecule __ is the natural tendency of molecules to flow from higher concentrations to lower concentrations. A. Diffusion B. Molecule C. Brownian motion D. Force __ is a random movement of microscopic particles suspended in liquids or gases resulting from the impact of molecules of the surrounding medium. A. Diffusion B. Kinetic theory C. Brownian motion D. Moving molecule __ is a gas law that states that a gas’s pressure and volume are inversely proportional. A. Boyle’s law B. Brownian’s law C. Gay-Lussac’s law D. None of the above __ states that for a given mass and constant volume of an ideal gas, the pressure exerted on the sides of its container is directly proportional to its absolute temperature. A. Boyle’s law B. Brownian’s law C. Gay-Lussac’s law D. None of the above _ is the escaping of molecules of a liquid from its surface and it takes place at all temperatures. A. Boiling B. Freezing C. Solidification D. Evaporation __ is the vaporization of liquid molecules throughout the entire liquid. A. Boiling B. Freezing C. Solidification D. Evaporation The following are the factors that can affect evaporation except __ A. temperature B. humidity C. pressure D. none of the above __ energy or heat energy is a form of energy that flows from a hot area to a cold one. A. Thermal B. Sound C. Mechanical D. Potential _ is the process by which heat energy is transferred from a region of high temperature of a body to a lower temperature body along a stationary solid material. A. Conduction B. Convection C. Radiation D. Kinetic energy Materials which allow heat to flow through them easily are called _ A. good conductors B. bad conductors C. heat insulators D. radiators _ of an atom is the small, dense region consisting of protons and neutrons at the center of an atom A. Element B. Nucleus C. Electron D. Molecule Birds have feathers which are __ of heat. A. good conductors B. bad conductors C. radiators D. none of the above The following are processes involved in refining except _ A. treatment B. separation C. conversion D. drilling Polyester can keep heat because it is a _ of heat A. good conductor B. poor conductor C. convector D. none of the above The transfer of heat in which molecules of a medium actually move to the source of heat energy to absorb heat and then move away from it, is called __ A. conduction B. convection C. radiation D. insulation The transfer of heat energy from a hot body to a cold body directly, without heating the space in between the two bodies is called __ A. conduction B. convection C. radiation D. insulation _ is a naturally occurring, unrefined petroleum product composed of hydrocarbon deposits and other organic materials. A. Fuel B. Diesel C. Kerosene D. Crude oil Crude oil is also called petroleum which in Latin means __ A. underground oil B. rock oil C. rich oil D. black oil Crude oil was first discovered in Nigeria in _ A. 1947 B. 1950 C. 1956 D. 1960 The world’s first oil well was drilled in Pennsylvania, USA, in _ A. 1850 B. 1859 C. 1947 D. 1956 __ is a liquid mixture of hydrocarbons which is present in suitable rock strata and can be extracted and refined to produce fuels including petrol, paraffin and diesel oil. A. Petroleum B. Diesel C. Kerosene D. Bitumen _ are the chemical products obtained from petroleum by refining. A. Hydrocarbons B. Petrochemicals C. Molecules D. Crude oil The process of separating the various constituents/fractions of petroleum is known as _ A. treatment B. refining C. conversion D. separating _ is the smallest, electrically neutral particle of an element that can take part in a chemical reaction. A. Atom B. Element C. Molecule D. Compound __ are negatively charged subatomic particles that orbit the nucleus of an atom. A. Protons B. Neutrons C. Electrons D. Elements _ is a positive charge subatomic particle found in the nucleus of every atom. A. Proton B. Neutron C. Electron D. Element _ is a neutral (uncharged) subatomic particle that, in conjunction with protons makes up the nucleus of every atom except hydrogen. A. Element B. Neutron C. Electron D. Molecule _ is the combining capacity of an atom. A. Valency B. Element C. Electron D. Compound __ is defined as the total number of protons present in the nucleus of an atom. A. Atomic number B. Mass number C. Atomic mass D. Molar mass _ is defined as the sum of the total number of protons and neutrons present in the nucleus of an atom. A. Atomic number B. Mass number C. Atomic mass D. Neutron The process of digestion occurs in a long tube called __ A. alimentary canal B. large intestine C. small intestine D. oesophagus _ is a large tube that carries food from the mouth to the stomach. A. Alimentary canal B. Large intestine C. Small intestine D. Oesophagus As food leaves our stomach, it is passed on to the __ where final digestion of carbohydrates, fats and proteins occurs A. large intestine B. small intestine C. esophagus D. anus The undigested part of the food passes into the __ where the extra water is absorbed A. large intestine B. small intestine C. esophagus D. anus _ is passing semi-liquid faeces. A. Defecating B. Diarrhoea C. Constipation D. All of the above __ is the painful or difficult passing of faeces A. Defecating B. Diarrhoea C. Constipation D. All of the above _ is the process by which living organisms use oxygen of air and food to produce energy. A. Digestion B. Dietary C. Respiration D. Eating Symptoms of __ are sore throat, cough, running nose, congestion, sneezing, headache, etc. A. common cold B. diarrhoea C. constipation D. none of the above __ is an infection that affects the lungs A. Common cold B. Diarrhoea C. Constipation D. Pneumonia _ is the basic structural and functional unit of the nervous system. A. Neuron B. Axon C. Cerebrum D. Cranium __ is cable-like bundle of axons enclosed in a common sheath which transmits messages from one part of body to another. A. Midbrain B. Medulla oblongata C. Nerve D. Cell The following are types of neurons except _ A. Sensory neurons B. Motor neurons C. Inter-neurons D. Effectors __ is an extension of medulla oblongata A. Forebrain B. Spinal cord C. Frontal lobe D. Kidney There are 12 pairs of cranial nerves and __ pairs of spinal nerves in human body. A. 12 B. 21 C. 31 D. 36 _ carry the messages regarding stimuli in the form of nerve impulses from receptors to central nervous system. A. Sensory neurons B. Motor neurons C. Inter-neurons D. Effectors __ carry the nerve impulses to the parts of the body which produce responses. A. Sensory neurons B. Motor neurons C. Inter-neurons D. Effectors Muscles and glands in the body act as _ A. sensory neurons B. motor neurons C. the central nervous system D. effectors The removal of nitrogenous waste materials from the body is called _ A. excretion B. sweat C. vomiting D. kidney The part of body which filters nitrogenous wastes from blood is __ A. liver B. kidney C. intestine D. stomach _ involves bombardment of shockwaves on kidney stones from outside. A. Lithotripsy B. Dialysis C. Kidney transplant D. All of the above Cleaning of blood by artificial methods is called _ A. Lithotripsy B. Dialysis C. Kidney transplant D. All of the above Which colour is a good radiator of heat? A. White B. Black C. Red D. Yellow What happens if two objects at different temperatures are touching? A. Heat energy transfers from the warmer object. B. Heat energy transfers from the colder object. C. Heat energy transfers to the warmer object. D. No heat energy transfer takes place. Heat energy can be transferred well by conduction from one material to another only if both are __ A. solids B. liquids C. gases D. all of the above When we sit in the sun we are heated by __ A. conduction B. convection C. radiation D. convection current