NSMQ 2024 RIDDLS AND ANSWER.
NSMQ 2024 RIDDLS AND ANSWER.
- I am an angle.
- I am a type of angle.
- You will find me inside a circle.
- My vertex is at the centre of the circle.
- I am formed by two radii of the circle.
- You can say, I am an angle at the center.
WHO AM I? ANS: THE CENTRE ANGLE
- I am a plant
- I am a monocot
- I brought much riches and much sorrow because without me the slave trade may not have
- Juice from me is used
WHO AM I? ANS: SUGAR CANE
03
- I am a physical quantity
- My S.I unit is metres per second squared
- I am usually denoted by the symbol small ‘g’
WHO AM I? ANS: ACCELERATION DUE TO GRAVITY
04
- I am a chemical used in water treatment
- I am blue colour
- I am also considered a tropospheric substance
WHO AM I? ANS: OZONE
05
- I am a large animal
- I am cute with long ears
WHO AM I? ANS: RABBIT
06
- I am an organic acid
- I am simple and common
- I am not the simplest
- I am often found in the kitchen in my aqueous form
- I am commonly formed from the oxidation of ethanol
WHO AM I? ANS: ACID
07
- I am a region surrounding an object
- I arise in the illumination of an opaque object
- I am shadowy
- I am a region beyond the umbra
WHO AM I? ANS: PENUMBRA
08
- I am a sum
- I am a sum of terms in an object hardship
- I am associated with the sigma notation
- I am often said to be progressive
- I may be arithmetic or geometric
WHO AM I? ANS: SERIES
09
- I am a solution
- You may describe me as being conservative because I resist changes
- I belong to a kingdom of twins
- The two parts in me have a conjugate relationship
- I resists changes in pH when small quantities of either an acid or a base are added to the medium in which I am present
WHO AM I? BUFFER SOLUTION
10
- I am a polygon
- The sum of my interior angles is an even multiple of pie
- Each exterior angle is twice the corresponding exterior angle
- My angles are congruent and my sides are also congruent
- I have eight angles that are congruent and my sides are also congruent
- I have eight equal sides, neat and straight
WHO AM I? REGULAR OCTAGON
11
- I am a physical quantity
- I am a dynamical vector quantity
- I am not the rate of change of another vector quantity
- For a particle moving about a point, I equal the vector product of the positron relative to the point and the linear momentum of the particle
- I am conserved whenever net torque equals zero
WHO AM I? ANGULAR MOMENTUM
12
- I am the first to break out when a seed begins to grow
- My job is to anchor and search deep below
- I point downward, obeying gravity`s call
- I am the embryonic root of a plant, developing from the seed and becoming the primary root system
- Often confused with a radical, I’m the symbol that reveals roots in math
WHO AM I? RADICLE
13
- I am a theorem in mathematics.
- In my classic formulation, part of me is called the “prior”, another is called the “likelihood”, and last is called the “posterior”.
- While my origin trace to 18th-century Presbyterian ministry, I now guide decisions from medical testing to spam filters.
- I quantify how prior beliefs should rationally change with new evidence.
- Though simple in form, I famously explain why even “95% accurate” medical tests can mostly give false positives for rare diseases.
- I am a fundamental rule in probability that relates inverse conditional probabilities, but I’m not the general multiplication rule.
- I’m the only probability theorem that properly accounts for base rates when updating beliefs with evidence a concept often neglected in the “prosecutor’s fallacy”.
- If I was formulated by an English Presbyterian minister and mathematician, Reverend Thomas Bayes then,
WHO AM I? ANS: BAYES’ THEOREM
14
- I am a polysaccharide composed of glucose units, but unlike cellulose, my linkages are alpha, not beta.
- In plants, I am stored as dense granules, serving as a key energy reserve alongside my less-branched counterpart.
- My structure is highly branched, with α (1→4) linked chains and α (1→6) linkages at branching points.
- I react with iodine to produce a deep blue-black colour, a classic test for my presence in starch.
- Enzymes like alpha-amylase and debranching enzyme target me, breaking my bonds to release glucose rapidly.
- If I am the branched part of starch, making up about 70 – 80% of its structure, then,
WHO AM I? ANS: AMYLOPECTIN
15
- I am the delicate balance between two opposing forces in celestial bodies and fluids.
- In stars like our Sun, I describe the state where inward gravitational pull is exactly countered by outward pressure forces.
- Without me, planets would collapse under their own weight or expand uncontrollably into space.
- I’m what keeps Earth’s atmosphere from either escaping into space or crushing down to the surface.
- In fluid dynamics, I explain why water in a glass doesn’t collapse to the bottom but maintains its shape.
- My name combines a Greek word for “water” with a term describing balanced forces, though I apply to much more than just liquids.
- If I am not simple mechanical equilibrium, then,
WHO AM I? ANS: HYDROSTATIC EQUILIBRIUM
16
- My name comes from the Greek word for rainbow, reflecting the vibrant colors of my compounds.
- I am a highly reactive alkaline earth metal, and my vapors are dangerously toxic.
- I was isolated by Marie and Pierre Curie from a mineral called pitchblende.
- I glow eerily in the dark due to my radioactivity.
- My most stable isotope has a half-life of just 8 days.
- If I am the 88th element on the periodic table.
WHO AM I? ANS: RADIUM
17.
- I am an animal found in water
- My primary feeding method is detected by many
- However, some find me medicinally important
- I stop blood
- My name is an adjective for people who always take but brings nothing
WHO AM I? ANS: LEECH
18.
- I am a weak acid
- I am also a dye
- I am an indicator
- I exhibit my colour change in the acidic region in the PH range of 3.1 to 4.4
- I am named after my colour
WHO AM I? ANS: METHYL ORANGE
19.
- I am a type of motion
- Circles are natural to me
- I am also associated with such quantities as angular displacement, angular velocity, angular speed and angular acceleration
- I am the type of motion in which particles of a rigid body moving in circle centered on a straight line
- An example of me is the motion of the earth about its axis,
WHO AM I? ANS: ROTATIONAL MOTION
20.
- I am a structural presentation of a molecule or complex ion
- Like an accountant I take stock of all valence electrons of the atoms
- I do not comprise on the octet rule
- I owe my invention to an American scientist whose first and middle names are Gilbert and Newton respectively
- In my formulation I do represent linkages between atoms by either a dash or a pair of dots
WHO AM I? LEWIS ELECTRON DOT FORMULA
- I am a symbol, ancient and grand
- My name is in two parts
- The first part of my name represents the new- Testament epistle written by the Apostle Paul
- The second part of my name also has something to do with the 4 books of the torah written by Moses
- In clock faces, I am often fair
- My value is fixed, beyond compare
- Alphabets are used to represent the fixed positive numbers
WHO AM I? ROMAN NUMERALS
22.
- I am a named object in the solar system
- I am not self-luminous
- So, I am not the sun
- I have an orbital period of nearly 30 days as determined relative to the sun
- I have a cratered surface only one view of which is visible from the earth
- If my name means “to measure” in Latin,
WHO AM I? MOON
- In zoology, I mark the very first step of life`s formation, right after two cells unite
- In anatomy, I am the first phase of life, from union to the start of forming shapes
- In botany, I am the starting point of a plant`s life, hidden inside seed or bud
- I am the living part within every viable seed
- I depend on cotyledons or endosperm for nourishment 6. If my name in Greek means “foetus” or “young one”
WHO AM I? EMBRYO
24.
- I am a polygon.
- I can be equiangular without being equilateral.
- I have an even number of sides.
- In my regular form, I have a center of symmetry.
- In my regular form, I fit my outline in 12 positions.
WHO AM I? ANS: HEXAGON
- In the study of histology, I am sure you have encountered me.
- I am just a term.
- My secretions are produced in the cytoplasm of the cell and released by the rupture of the plasma membrane.
- My gland secretion is the most damaging.
- If examples of my glands include the sebaceous glands of the skin and the Meibomian glands of the eyelid,
WHO AM I? ANS: HOLOCRINE
- I am a well-known physicist and mathematician
- I was born 23rd July 1775 in Paris; France
- The Royal society of London awarded me with a Rumford Medal in .1810
- I conducted experiments in optics which gave rise to very known law
- I was attempted to discover the relationship between polarizing angle and refractive indices of materials which was later solved by Brewster-David
- If you still don’t know who I am; I am the one who proposed the Malus’ Law.
WHO AM I? ANS: ETIENNE LOUIS MALUS.
- My name reflects my molecular structure, containing a four-carbon backbone.
- I belong to the family of carboxylic acids.
- I have a chlorine atom attached to my third carbon.
- I exhibit both acidic and electrophilic reactivity.
- I can participate in substitution and elimination reactions.
- I am used as an intermediate in organic synthesis.
WHO AM I? ANS: 3-CHLOROBUTANOIC ACID
28.
- I am highly abundant in the universal
- I am a very stable element
- I am also known for my low boiling point
- I am used to fill up balloons
- I am produced by the sun for who I am also named
WHO AM I? ANS:
- I am an animal believed to have eight legs
- I have two eyes that is out of my head
- I have a long centre of gravity so steady on the ground
WHO AM I? ANS: CRAB
30.
- I am the side of a triangle
- I relate to the right type of a triangle
- I am a part of the pentagonal triad
- I am a diameter
WHO AM I? ANS: HYPOTHENUESE
- I am a property of some wave
- I am related to the amplitude of a sound wave
- I am a subjective property
WHO AM I? ANS: RESONANCE
- I am a two-digit odd number
- I am a prime number and both my digit are also prime
- My digit differs by a square
- The sum of my digit is 10
WHO AM I? ANS: 37
- I am an alloy
- I am of the most used alums
- I am also very malleable
- I am known for my golden colour
- I am an alloy of a copper and a zinc
WHO AM I? ANS: BRASS
- I am the correct description of a part of a crab
- I am the biggest part in most crabs
WHO AM I? ANS: CARAPACE
- I am region in space
- I am conical
- I arise in the illumination of an opaque object
- I am the completely dark region
WHO AM I? ANS: UMBRA
36.
- I show my face when solutes meet solvent with grace
- I am often expressed in KJ/mol at constant temperature
- I am the energy change that tells the story of heat in a reaction
- I am associated with the dissolution of a substance in a solvent at constant pressure resulting in infinite dilution
- I measure the heat change when one mole of a substance dissolves in water
WHO AM I? ENTHALPY OF SOLUTION
- My organ stems from old English law
- In baking trade, I am quite a benefit
- In loaves or rolls, you will count me with glee
- My name dates back to medieval England, when bakers added a 13 loaf to avoid punishment for selling short of a dozen
- I exceed a dozen by just a unit
WHO AM I? BAKERS DOZEN
- I am a natural phenomenon
- I am all about waves and how they interact
- I represent dramatic demonstration of the principle of linear superposition of waves
- With me, the whole picture is more stunning than its individual parts
- I am the phenomenon responsible for the iridescence of soap bubbles
WHO AM I? THIN-FILM INTERFERENCE.
39.
- We are a wide variety of organisms owing our existence to Herbert Boyer and Stanley Cohen
- What constitutes us is not clear and varies widely among countries, international bodies and other communities
- There has been much debate over us
- We resist pests and grow up fast
- Though the main concern with us is the lack of testing, we are seen as beneficial by many especially in the agricultural industries
- If we are organisms like plants, animals or microbes whose genetic material (DNA) has been altered using genetic engineering techniques,
WHO ARE WE? GENETICALLY MODIFIED ORGANISMS
40.
- I am a palindromic number
- I am a three-digit number less than 400
- All my digits are odd
- My second digit is a perfect square
- If sum of my digits is equal to 15, then
WHO AM I? ANS:
41.
- In the duodenum, I reside, protecting the lining from acid’s tide
- I am named after my discoverer, a German man.
- I secrete mucus, alkaline and clear, neutralizing threats as they draw near
- My role is vital when chime passes through, creating a buffer for enzymes to do
- If I am a gland found only in the sub- mucosa of the duodenum,
WHO AM I? ANS: BRUNNER’S GLAND
- I was born on the 11th of February, 1847 in Ohio, USA
- I was the youngest of seven children.
- In the early 1870s, I worked as a telegraph operator which exposed me to electrical system
- In 1877, I created the phonograph, a device that could record and reproduce sound
- If I am known for my contributions to electric power,
WHO AM I? ANS: THOMAS EDISON
- I was discovered in 1808 by Davy in an electrolytic experiment.
- I was named after a town in Scotland.
- I am a metal element with three allotropic forms,
- I react with water vigorously, and that should give you an idea where in the Periodic Table I can be found.
- I do not belong to Group I
- I am softer and more reactive than calcium which is just above me in our group.
WHO AM I? ANS: STRONTIUM (SR)
- I am a metal discovered long ago, even ancient civilizations knew my worth
- My scientific name from which my symbol is obtained is in Latin
- I do not occur in nature in the free state but as pyrolusite (MnO2)
- South Africa is one of the nations endowed with my ore
- I am a transition metal, tough and gray
- If my place on the periodic table is number 25, that’s my atomic identity
WHO AM I? ANS: MANGANESE
- I am a particle
- I am employed in certain imaging procedures
- I am emitted in certain radioactive decay processes
- My anti-particle is more frequently encountered than I am
- I am the particle whose annihilation in an electron encounter produces the gamma radiation that is recorded in positron emission tomography, commonly called PET
WHO AM I? POSITRON
- I am a named symbiotic association
- My types include Orchid, Ecto and Ericoid
- My name is derived from Classical Greek words for ‘mushroom and root’
- As an association, I owe my name to Albert Bernhard Frank who first used me in 1885
- I am beneficial in soil health, plant resilience, increased nutrient uptake, drought resistance and enhanced root growth
- You still don’t know me?
- If am a symbiotic relationship between a fungus and a plant root,
WHO AM I? MYCORRHIZA
47.
- I am a major operation or process in statistics
- Like most statistical operations I start with the collection of data
- In my case, this is usually at the national level
- I knock on every door, both rich and poor
- I count and ask, to know much more
- I refer to a large-scale study conducted to gather information on the health habits and behaviours of the general population within
WHO AM I? NATIONAL SURVEY
48.
- I am classified as a polyhedron, yet I have a unique point that all my faces meet at.
- My triangular lateral faces give me a sharp and structured look.
- Unlike a prism, my top surface is not flat but tapers smoothly to an apex.
- My volume formula includes a factor of one-third, distinguishing me from other solid shapes.
- My shape is deeply connected to history, appearing in ancient civilizations and modern architecture alike.
WHO AM I? ANS: PYRAMID
- I am a structure found in the nucleus, but only in certain individuals.
- My presence is tied to the number of X chromosomes in a cell.
- I was first observed by a scientist whose name I bear.
- I help balance gene expression between males and females.
- Without me, females would have twice as many active X-linked genes as males.
- If you know about X-inactivation, you surely know me!
WHAT AM I? ANS: BARR BODY
50.
- I am a characteristic behaviour of waves, not typically observed in macroscopic particles.
- I am most noticeable when the size of the obstacle or slit is comparable to the wavelength of the wave.
- In Young’s double slit experiment, I appear alongside interference creating a complex pattern on a screen.
- Unlike reflection and refraction, I specifically refer to the way waves propagate into the geometrical shadow region.
- I am often confused with interference, but I can occur with a single slit, while interference requires at least two coherent sources.
- I involve the bending or spreading of waves as they pass through an aperture or around a barrier.
WHAT WAVE PHENOMENON AM I? ANS: DIFFRACTION.
- I belong to a class of compounds known for their stability, yet I am not as inert as some of my relatives.
- Though I contain a hexagonal structure, I do not possess alternating single and double bonds throughout.
- My formula remains unchanged whether written as molecular or empirical.
- My presence in industrial processes makes me both useful and essential.
- I exhibit acidity, yet my structure lacks the typical group associated with most organic acids.
- A single functional group defines my behaviour, and its attachment to my ring enhances my reactivity.
WHO AM I? ANS: PHENOL
- I am found in crabs
- I am rather soft and laughter
- I am usually yellow in colour when cooked
- In the raw state, I may be green
- I form part of the crab’s digestive system
- I am a delicacy among crab
WHO AM I? ANS: CRAB BUTTER
53.
- I am an element on the periodic table
- I am an alkali metal
- I am very soft and silvery white in appearance
- I am the most common member of my group
- My symbol is delivered from my Latin name letrol
WHO AM I? ANS: SODIUM (NA)
- I am a vector quantity
- I have the same unit as linear momentum
WHO AM I? ANS: IMPULSE
- I am a quadrilateral
- I have one axis of symmetry
- My axis of symmetry is a diagonal
