THE INDUSTRIAL PREPARATION OF HYDROGEN GAS FROM WATER GAS IS REFERRED TO AS
A. Bosch process ✓ B. Contact process C. Haber process D. Bayer Process The answer to the question is: A. Bosch process Bosch’s process is a method used for the industrial preparation of hydrogen. This process involves the reaction of steam with hydrocarbons to…
THE MAJOR SOURCE OF OXIDES OF NITROGEN IS FROM THE BURNING OF
A. coal B. wood C. fuel ✓ D. chlorofluorocarbons The answer to the question is: C. fuel Oxides of nitrogen, also known as nitrogen oxides (NOx), are a group of highly reactive gases that are produced during the combustion of fossil fuels. The…
A FARMER WHO WANTS TO KEEP SEEDS FOR THREE YEARS BEFORE PLANTING AND WANTS TO PREVENT THEM FROM SPROUTING USES
A. auxin B. gibberellins C. abscisin ✓ D. cytokinins The answer to the question is: C. abscisin The farmer who wants to keep seeds for three years before planting and prevent them from sprouting would use abscisic acid (ABA). ABA is a plant hormone…
ST PAUL’S EPISTLE TO THE PHILIPPIANS ON “CHRISTIAN GIVING’ INDICATED HIS RECEPTION OF GIFTS FROM THEM THROUGH
A. The Church In Corinth B. St Peter C. The Church in Achaia D. Epaphroditus ✓ The answer to the question is: D. Epaphroditus St. Paul’s Epistle to the Philippians is a letter in the New Testament of the Christian Bible, traditionally attributed to…
IF THE PRICE OF AN ITEM CHANGES BY 8% AND QUANTITY SUPPLIED CHANGES FROM 600 UNITS TO 660 UNITS, THE PRICE ELASTICITY OF SUPPLY IS
A. 0.80 B. 1.25 ✓ C. 2.00 D. 10.00 The answer to the question is: B. 1.25 The price elasticity of supply measures the responsiveness of the quantity supplied of a good to a change in its price. It is calculated as…
WHEN A WRITER DEVIATES FROM THE CHRONOLOGICAL ARRANGEMENT OF EVENTS IN A LITERARY PIECE, HE USES
A. Anadiplosis B. Anachrony ✓ C. Chrestomathy D. Anagnorisis The answer to the question is: B. Anachrony When a writer deviates from the chronological arrangement of events in a literary piece, he uses Anachrony. Anachrony refers to a narrative technique in literature where the…
STEAM CHANGES THE COLOUR OF ANHYDROUS COBALT (II) CHLORIDE FROM
A. blue to pink ✓ B. white to red C. white to green D. blue to white The answer to the question is: A. blue to pink Anhydrous cobalt (II) chloride, also known as cobaltous chloride or cobalt dichloride, is a chemical compound with…
“ALL MEN ARE FROM ADAM AND HAWA, AND AN ARAB IS NOT SUPERIOR TO A NON-ARAB” WAS A DECLARATION MADE
A. When saalman al faris embraced islam B. at the palace of King Negus of Abyssinia C. at the Battle of Confederates by the prophet D. during the farewell sermon of the prophet ✓ The answer to the question is: D. during the farewell…
THE NGUNI PEOPLE ARE ORIGINALLY FROM
A. South Africa ✓ B. Namibia C. Mozambique D. Botswana The answer to the question is: A. South Africa The Nguni people are originally from South Africa. The Nguni people are a group of Bantu-speaking ethnic groups in Southern Africa, including the Zulu, Xhosa,…
THE PROCESS OR ACT OF EXTRACTING A METAL FROM ITS ORE AND REFINING IT IS CALLED
A. Extraction B. Metal mining C. Metallurgy ✓ D. Prospecting The answer to the question is: C. Metallurgy The process or act of extracting a metal from its ore and refining it is called metallurgy. Metallurgy is the branch of science and…
THE METAL USED TO RECOVER COPPER FROM A SOLUTION OF COPPER SULPHATE IS
A. Na B. Ag C. Hg D. Fe ✓ The answer to the question is: D. Fe The metal used to recover copper from a solution of copper sulphate is iron (Fe). Iron is commonly used in the process of copper recovery due to…
SHADOWS AND ECLIPSE RESULT FROM THE
A. Reflection of light B. Rectilinear propagation of light ✓ C. Diffraction of light D. Refraction of light The answer to the question is: B. Rectilinear propagation of light Shadows and eclipses result from the rectilinear propagation of light. When an opaque object is…
IF ACIDIFIED POTASSIUM DICHROMATE(VI) (K2CR2O7) ACTS AS OXIDIZING AGENT, COLOR CHANGES FROM
A. yellow to green B. orange to green ✓ C. yellow to red D. orange to red The answer to the question is: B. orange to green When acidified potassium dichromate(VI) (K2Cr2O7) acts as an oxidizing agent, the color changes from orange…
THE ASCII CHART CONTROL CHARACTERS USING NUMERIC CODES RANGING FROM
A. 0 to 124 B. 0 to 125 C. 0 to 127 ✓ D. 0 to 128 The answer to the question is: C. 0 to 127 The ASCII (American Standard Code for Information Interchange) chart includes control characters with numeric…
WHICH PROPHET IS ASSOCIATED WITH THE “VALLEY OF DRY BONES” VISION, SYMBOLIZING THE RESTORATION OF ISRAEL FROM EXILE
A. Ezekiel ✓ B. Daniel C. Jeremiah D. Zechariah The answer to the question is: A. Ezekiel Ezekiel, a major prophet in the Hebrew Bible, is known for his vivid and symbolic visions. The “valley of dry bones” vision is found in the Book…
DURING THE TRANSFORMATION OF MATTER FROM THE SOLID TO THE LIQUID STATE, THE HEAT SUPPLIED DOES NOT PRODUCE A TEMPERATURE INCREASE BECAUSE
A. the heat energy is quickly conducted away B. the heat capacity has become very large as the substance melts C. the heat gained is equal to the heat lost by the substance D. all the heat is used to break the bonds holding…
A MUSLIM WHO JOINS THE IMĀM WHILE HE IS RISING FROM THE LAST RUKŪ’ OF THE LAST RAK’AH HAS TO
A. repeat the rak’ah as if he did not join in it B. complete the remaining except the last rak’ah C. continue the prayer and thereafter observe all the rak’āt ✓ D. end up the prayer with the Imām The answer to…
IF THE QUANTITY DEMANDED OF A COMMODITY INCREASES FROM 20 UNITS TO 30 UNITS WHEN THERE IS AN INCREASE IN PRICE FROM 4.00 DOLLARS TO 5.00 DOLLARS, THE ELASTICITY OF DEMAND IS
The elasticity of demand is a measure of the responsiveness of the quantity demanded of a commodity to a change in its price. It is calculated using the following formula: Elasticity of Demand = Percentage Change in Quantity Demanded /…
WHICH OF THE FOLLOWING METALS CANNOT BE EXTRACTED FROM ITS ORE BY USING CARBON (II) OXIDE AS THE REDUCING AGENT
A. Cu B. Zn C. Al ✓ D. Pb E. Fe The answer to the question is: C. Al The metal that cannot be extracted from its ore using carbon (II) oxide as the reducing agent is aluminum. Aluminum is extracted from its ore, bauxite,…
A TRANSPARENT RECTANGULAR BLOCK 5.0CM THICK IS PLACED ON A BLACK DOT. THE DOT WHEN VIEWED FROM ABOVE IS SEEM 3.0CM FROM THE TOP OF THE BLOCK, CALCULATE THE REFRACTIVE INDEX OF THE MATERIAL OF THE BLOCK
A. 2/5 B. 3/5 C. 3/2 D. 5/3 ✓ E. 5/2 The answer to the question is: D. 5/3 To calculate the refractive index of the material of the block, we can use the concept of apparent depth. When a transparent block is…
IN SŪRAT AN-NĀS, PROTECTION WAS SOUGHT FROM THE EVILS OF
A. men and women B. husband and wife C. men and jinn ✓ D. male and female The answer to the question is: C. men and jinn In Sūrat an-Nās, the protection sought is from the evils of men and jinn. This is…
DURING THE REIGN OF CALIPH ‘ALI, THE SEAT OF ADMINISTRATION MOVED FROM AL-MADĪNAH TO
A. Basra B. Damasus C. Mecca D. Kūfah ✓ The answer to the question is: D. Kūfah During the reign of Caliph ‘Ali, the seat of administration moved from al-Madīnah to Kūfah. Kūfah was a city in Iraq that became an important…
THE SŪRAH THAT TELLS US THE STORY OF HOW THE KA’ABAH WAS DELIVERED FROM DESTRUCTION IS
A. al-Fātihah B. al-‘Alaq C. al-Fīl ✓ D. ‘Abasa The answer to the question is: C. al-Fīl The Sūrah that tells us the story of how the Ka’abah was delivered from destruction is: Sūrah Al-Fil (The Elephant) Background and Context: Sūrah Al-Fil (Arabic: سورة…
APART FROM JOSEPH WHO WAS ALREADY IN EGYPT, THE OFFSPRING OF JACOB THAT MIGRATED FROM CANAAN TO EGYPT NUMBERED
A. Sixty B. Seventy ✓ C. Eighty D. Ninety The answer to the question is: B. Seventy According to the biblical account in the book of Genesis, specifically in Genesis 46:27 and Exodus 1:5, seventy descendants of Jacob (also known as Israel) went down…
FROM THE PRINCIPLE OF FLOTATION, A BODY SINKS IN A FLUID UNTIL IT DISPLACE A QUANTITY EQUAL TO ITS OWN
A. density B. mass C. weight ✓ D. volume The answer to the question is: C. weight Introduction to the Principle of Flotation The principle of flotation is a fundamental concept in fluid mechanics that deals with the buoyancy of objects when placed in…
WHICH OF THE FOLLOWING THERMOMETERS MEASURES TEMPERATURE FROM THE THERMAL RADIATION EMITTED BY OBJECTS
A. Thermocouple thermometer B. Platinum resistance thermometer C. Pyrometer thermometer ✓ D. Constant pressure gas thermometer The answer to the question is: C. Pyrometer thermometer The thermometer that measures temperature from the thermal radiation emitted by objects is the pyrometer thermometer. Pyrometers are used…
A HUNTER FIRES A GUN AT A POINT 408 M AWAY FROM A CLIFF AND IF HE HEARS AN ECHO 2.4 S LATER, DETERMINE THE SPEED OF THE SOUND WAVE
To determine the speed of the sound wave, we can use the equation: Distance = Speed × Time Given that the hunter hears an echo 2.4 seconds later, we can assume that the sound traveled to the cliff and back.…
INSIGHTS FROM THE NEUTRAL THEORY OF MOLECULAR EVOLUTION
The neutral theory of molecular evolution, proposed by Motoo Kimura in the late 1960s, suggests that the majority of evolutionary changes at the molecular level are caused by random genetic drift of mutant alleles that are selectively neutral. This theory…
HOW ARABINOSE OPERON IS DIFFERENT FROM OTHER OPERONES
The arabinose operon is a unique regulatory system found in bacteria, which controls the utilization of arabinose, a five-carbon sugar. It differs from other operons in several key aspects, including its regulatory mechanisms and the genes it controls. Regulation Mechanism…
THE PROCESS OF CLONING AN ORGANISM FROM MRNA
Cloning an organism from mRNA is a complex process that involves several steps. Here’s a general overview of the process: 1) mRNA isolation The first step is to isolate the mRNA from the cell or tissue of interest. This can…
SOLVENT AND SOLID PHASE EXTRACTION OF ANTIBIOTICS FROM CULTURE MEDIA
Antibiotics are commonly used in culture media to promote the growth of microorganisms and to prevent the growth of contaminants. However, the presence of these antibiotics in the culture media can be detrimental to the growth of certain microorganisms and…
STANDARD PROTOCOLS FOR LYSIS OF ESCHERICHIA COLI CELLS AND PARTITIONING OF CELLULAR COMPONENTS
Lysis of E. coli Cells: Harvesting the Cells: After the small-scale culture of E. coli reaches the desired optical density, harvest the cells by centrifugation. Resuspending the Pellet: Resuspend the cell pellet in an appropriate lysis buffer containing protease inhibitors…
CYTOCHROME C PURIFICATION FROM SHEEP HEART VIA ION-EXCHANGE CHROMATOGRAPHY
Cytochrome c purification from sheep heart via ion-exchange chromatography involves several steps to obtain high-purity cytochrome c for further biological or biochemical assays. Here’s the detailed process: 1) Sample Preparation: Collect fresh sheep hearts and wash them with phosphate-buffered saline…
EFFECTIVE METHODS TO REMOVE CALCIUM DEPOSITS FROM ARTERIES NATURALLY
To remove calcium deposits from arteries naturally, there are several effective methods that have been studied and supported by scientific research. Here are some of the most promising approaches: Dietary Changes: Eating a diet rich in fruits, vegetables, and omega-3…
WHAT TO EXPECT FROM COLOSTOMY AND ILEOSTOMY
Introduction A colostomy is a surgical procedure that diverts the colon through an opening in the abdominal wall to the outside of the body. This allows waste products to be collected in a pouch or bag attached to the skin…
EMBRYONIC DEVELOPMENT FROM WEEK THREE TO EIGHT
In human embryonic development, the third and subsequent weeks up to the eighth week are crucial periods during which the foundation for various organ systems is laid down. Here’s an overview of the major events that occur during this period:…
PREPARATION OF SOLUTIONS FROM LIQUID SOLUTES
Introduction The method of dilution is a common technique used to prepare solutions from liquid solutes. It involves adding a solvent, typically water, to a concentrated solution to decrease its concentration and create a more diluted solution. The following steps…
COUNTING DEVICES FROM 20TH CENTURY TO DATE OBJECTIVE QUESTIONS
1) LISP was developed by _ a) John Mc Carthy. b) Blaise Pascal. c) Dr. Hollerith. d) John Napier. 2) The first computer made available for commercial use was _ a) Mark – 1. …
COMPUTING DEVICES FROM 20TH CENTURY TO DATE
The rise of computers dates back to ancient times and to the development of mathematics and calculators. Computers began taking shape in the late 1800s and early 1900s. They were once the size of an entire room and required great…