SST Past Paper SPSC Science Category 2024 – Morning/Evening

SST Past Paper SPSC Science Category 2024 MCQs for Secondary School Teacher test preparation online.

SST Past Paper SPSC Science Category MCQs

Humidity in the air was measured by
  1. Barometer
  2. Hygrometer
  3. Both
  4. None
The most abundant element in the universe is called:
  1. Oxygen
  2. Helium
  3. Hydrogen
  4. None of these
  5. all of these
Identify the tense which is used in the sentence “They will have been writing their letters”?
  1. Future Perfect Continuous
  2. Future Continuous
  3. Present Perfect Continuous
  4. Present Perfect
One word substitution: Study of human face?
  1. Mensuration
  2. Horology
  3. Physiognomy
  4. Sinology
Meaning of word “Siesta”?
  1. Afternoon rest
  2. Goodbye
  3. Word for word
  4. Farewell
Choose the correct option of the idiom: Cheek by jowl?
  1. Close together
  2. One after another
  3. Side by side
  4. Proportionately
Choose the correct spelling: Anesthatize, Anaesthetize, Anasthetize, Aveasthatize
  1. Anesthatize
  2. Anaesthetize
  3. Anasthetize
  4. Aveasthatize
Cosθ + Cosn = _____?
  1. -2sin(θ + n/2)sin(θ-n/2)
  2. 2cos(θ + n/2)sin(θ-n/2)
  3. 2cos(θ + n/2)cos(θ-n/2)
  4. None of the Above
How many isotopes have odd atomic number?
  1. 154
  2. 280
  3. 86
  4. 300
01 V is equal to?
  1. 1 J C^-1
  2. 2 J C^-1
  3. 1 J^-1 C
  4. 2 J^-1 C
If A, B, and C are any three sets, then A × (B ∪ C) is equal to?
  1. (A×B) ∪ (A×C)
  2. (A∪B) × (A∪C)
  3. (A×B) ∪ (A×C)
  4. None
Sin(n+a) = ______?
  1. cosa
  2. -cosa
  3. -sina
  4. sina
If * is a binary operation in A then?
  1. A is closed under *
  2. A is not closed under *
  3. A is not dosed under +
  4. A is closed under –
If tanθ < θ, sin <0, then the terminal arm of the angle lies in the quadrant?
  1. 1
  2. 2
  3. 3
  4. 4
f(x) = sin(x) is?
  1. Linear function
  2. Quadratic function
  3. Odd function
  4. Even function
Hall voltage is directly proportional to?
  1. Current
  2. Field
  3. Magnetic flux density
  4. All of above
A relation in which the equality is true only for a number of unknowns is called an?
  1. Identity
  2. Equation
  3. Algebric equation
  4. Algebric relation
The molecules of CO2, in dry ice form?
  1. Ionic crystal
  2. Covalent crystal
  3. Molecular crystal
  4. Any type of crystal
The removal of 7th electron from an element of Group VI of the periodic table needs three times more energy than?
  1. 3rd electron
  2. 6th electron
  3. 8th electron
  4. 18th electron
Industrial materials thermal power stations are coated with___?
  1. Polyester resins
  2. Epoxy paints
  3. Polyamide resins
  4. Polyvinyl chloride
To a combined fraction into its parts is called?
  1. Rational fraction
  2. Partial fraction
  3. Combined fraction
  4. None
If the connections across the resistor are reversed, then graph between current and potential difference is?
  1. Inverted
  2. Variable
  3. Straight lined
  4. Constant
As compared to sound waves, the frequency of radio waves is?
  1. Equal
  2. May be higher or lower
  3. Lower
  4. Higher
Ions have have noble gas electronic configuration’ was suggested by?
  1. Kossel
  2. Lewis
  3. Newton
  4. Russell
Kinetic friction is always?
  1. Lesser than static friction
  2. Greater than static friction
  3. Equal to static friction
  4. Equal to contact force
Which one is true about isotope?
  1. Same number of neutrons
  2. Same mass number
  3. Same physical properties
  4. Same chemical properties
The taste of lemon is due to the presence of?
  1. Citric acid
  2. Acetic acid
  3. Ethanoic acid
  4. Benzoic acid
The removal of electrons one by one from an atom by a specific sequence of ionization energies are termed as?
  1. Successive ionization energies
  2. Successive ionization changes
  3. Successive ionization replacement
  4. Ionization
Decrease in strength of signal is known as?
  1. Tuning
  2. Modulation
  3. Attenuation
  4. Amplification
Digital number 9 can be represented in binary number as?
  1. 110
  2. 1001
  3. 1010
  4. 1011
Waves that are move through materials are called?
  1. Progressive waves
  2. CM waves
  3. Radio waves
  4. LIV waves
Which of the following is not a macro molecule?
  1. Sand
  2. Haemoglobin
  3. Diamond
  4. Maltose
If y is expressed in terms of a variable x as y = f(x), then y is called?
  1. Explicit function
  2. Implicit function
  3. Linear function
  4. Identity function
Splitting of light into its constituent colors is known as?
  1. Dispersion
  2. Contraction
  3. Reflection
  4. None
What does Machinations mean?
  1. Ridicule
  2. Crafty schemes or intrigues
  3. A feeling of fear or nervousness
  4. Feeling of satisfication
Choose the correct option: The last time we _____ dinner with them, they ______ for the new house.
  1. Have had/looked
  2. Were having/have been looking
  3. Have been having/look
  4. Had/were looking
The other girls ____ her because of the way she dressed.
  1. Inherent
  2. Pleases
  3. Metro – phobia
  4. Ostracized
Meaning of the word “En masse”?
  1. On the way
  2. All together
  3. Genuine
  4. Actual
Heifer is a kind of?
  1. Deer
  2. Cow
  3. Horse
  4. Donkey
Which of the following is a component of the coenzyme A?
  1. Retinol
  2. Pyridoxine
  3. Retinoic acid
  4. Pantothenic acid
What is the full form of ICANN?
  1. The Internet Corporation Active Names and Numbers
  2. The Internet Corporation for Advanced Names and Numbers
  3. The Internet Corporation for Archive Names and Numbers
  4. The Internet Corporation for Assigned Tames and Numbers
Which of the following G-protein takes part in the regulation of vision?
  1. Golf
  2. Gi family
  3. Gs family
  4. Gq family
The strictest transaction isolation level provided by SQL Server is?
  1. REPEATABLE READ
  2. SERIALIZABLE
  3. READ COMMITTED
  4. READ UNCOMMITTED
If a disease jumps from animal to a human, then it is termed?
  1. Zoonotic disease
  2. Infectious disease
  3. Congenital disease
  4. Latrogenic disease
The bacterium Yersinia pestis causes?
  1. Plague
  2. Rubella
  3. Roseola
  4. Measles
4^P2, is equal to?
  1. 18
  2. 12
  3. 6
  4. 0

Which of the following is the most essential nutrient for a woman during her initial stages of pregnancy to prevent birth defects?
  1. Thiamin
  2. Folic acid
  3. Vitamin C
  4. Vitamin E
On oxidation of 1 molecule of glucose ____ ATP is produced through aerobic respiration.
  1. 10
  2. 25
  3. 30
  4. 38
Google Chrome is the web browsing software developed in _____ by Google Inc.
  1. 2008
  2. 2007
  3. 2010
  4. 2009
What is the term used for describing the judgmental or common-sense part of problem solving?
  1. Heuristic
  2. Critical
  3. Value based
  4. Analytical
Which of the following is not Country Code Top level Domain (ccTLD)?
  1. .In
  2. .can
  3. .de
  4. .cat
The cause of short-term or acute vitamin A poisoning is due to?
  1. Eating the liver of Mule deer
  2. Eating the liver of Buffalo
  3. Eating the liver of Ostrich
  4. Eating the liver of Polar bear
Perinatal transmission is said to occur when a pathogen is transmitted from ____?
  1. Non-human to human
  2. Infected to uninfected
  3. Mother to infant
  4. All of the above
An important product of the Krebs cycle is?
  1. Water
  2. Methane
  3. ATP
  4. None of the above
Which of the following commands displays the configurable parameters and statistic of all interfaces on the route?
  1. Show running-config
  2. Show startup-config
  3. Show versions
  4. Show interfaces
Telnet is a ____ based computer protocol.
  1. Sound
  2. Image
  3. Text
  4. Animation
What is the purpose of Spanning Tree Protocol in a switched LAN?
  1. To provide a mechanism for network monitoring in switched environments
  2. To prevent routing loops in networks with redundant paths
  3. To prevent switching loops in networks with redundant switched paths
  4. To manage the VLAN database across multiple switches
Which metric is commonly used to evaluate classification models and represents the ratio of correctly predicted positive instances to all positive instances?
  1. Accuracy
  2. Precision
  3. Recall
  4. F1 Score
The signaling pathway, followed by T-lymphocytes in response to antigenic stimulation, is ______?
  1. Endocrine signaling
  2. Paracrine signaling
  3. Autocrine signaling
  4. Juxtacrine signaling
Choose the meaning of the Idiom: A cat’s Paw means?
  1. Person of soft nature
  2. Completely unarmed
  3. Person used as a tool to do something dangerous
  4. A narrow escape
Choose the meaning of the idiomatic phrase: Not turn a hair means?
  1. Coward person
  2. Docile person
  3. Fearless person
  4. Timid appearance
What is the synonym of UNSULLIED?
  1. Spoiled
  2. Ill-natured
  3. Not spoiled
  4. Stained
they spent the evening ….. through forty years of accumulated junk?
  1. sulking
  2. shifting
  3. screening
  4. None of these
Select the pair which has the same relationship Grain:Salt
  1. Chip:glass
  2. Shred: wood
  3. blades:grass
  4. None
Which protocol provides E-mail facility among different hosts ?
  1. TELNET
  2. SNMP
  3. SMTP
  4. None of these
Over-damping results in?
  1. Slower return to equilibrium
  2. Faster return to equilibrium
  3. Equilibrium is never achieved
  4. Unrhythmic to equilibrium
In a sample of a substance, at any given temperature the energy of all particles will?
  1. Not be same
  2. Be same
  3. Equal
  4. Constant
The compound which is added to leaded gasoline to save engine from lead oxide and lead sulphate deposits?
  1. Ethylene iodide
  2. Ethylene bromide
  3. Ethylene chloride
  4. Ethylene fluoride
Isotopes differs in
  1. Arrangement of electrons in orbitals
  2. Position in the periodic table
  3. Properties depend upon mass
  4. Chemical properties
Equal masses of methane and oxygen are mixed in empty container at 250-degree C. The fraction of sotal pressure exerted by oxygen will be?
  1. One/seventeen
  2. Sixteen/seventeen
  3. One/three
  4. Two/three
A number which is assigned to each atom or ion in a compound which explains its degree of oxidation is called
  1. Oxidation degree only
  2. Oxidation state and number
  3. Oxidation state only
  4. Oxidation number
Elements found in D-block of the periodic table are known as?
  1. Acids
  2. Noble gases
  3. Transition elements
  4. Alkalis
The soul of chemistry is dealing with
  1. Internal structural changes in matter
  2. Composition of matter
  3. Properties of matter
  4. Composition and properties of matter
Amines which are bonded in Alkyl group are?
  1. Primary amines
  2. Secondary amines
  3. Tertiary amines
  4. Quaternary amines
Phenyl amine is involved importantly in the synthesis of?
  1. Dyes
  2. Medicines
  3. Drugs
  4. Capsules
The distribution of energy for temperature was given in?
  1. Boltzmann distribution
  2. Boltzmann energy
  3. Boltzmann temperature distribution
  4. Boltzmann pressure
Which of the following is a fat-soluble vitamin?
  1. Vitamin B
  2. Vitamin C
  3. Vitamin B12
  4. Vitamin K
The condition created due to the deficiency of Niacin is called?
  1. Scurvy
  2. Rickets
  3. Pellagra
  4. Pernicious anaemia
Deficiency of _______ causes the leaves to develop a dark green colouration.
  1. Phosphorous
  2. Potassium
  3. Sodium
  4. None of the above
______are the elements, without which, the plants will not be able to complete its life cycle.
  1. Fertilizers
  2. Microelements
  3. Macroelements
  4. Essential elements
______ is a technique where the plants are grown with their roots suspended in the air.
  1. Osmosis
  2. Aerophytes
  3. Aerosolization
  4. Aeroponics
Alpha-ketoglutarate dehydrogenase results in?
  1. Oxidation and Decarboxylation
  2. Reduction
  3. Oxidation
  4. None of the above
_____ is a product of aerobic respiration.
  1. Malic acid
  2. Pyruvate
  3. Ethylene
  4. Lactose
Extracellular signaling in animals is carried out by?
  1. Autocrine signaling
  2. Endocrine signaling
  3. Juxtacrine signaling
  4. All of the above
Which of the following messenger molecules are derived from Arachidonic acid?
  1. Steroids
  2. Corticoids
  3. Terpenoids
  4. Eicosanoids
Which of the following vitamins serves as a hormone precursor?
  1. Vitamin A
  2. Vitamin C
  3. Vitamin D
  4. Vitamin K
What is the administrative distance of OSPF?
  1. 90
  2. 100
  3. 110
  4. 120
Which WAN encapsulations can be configured on an asynchronous serial connection? 1. PPP 2. ATM 3. HDLC 4. SDLC 5. Frame Relay. Choose the correct option?
  1. 1 and 2
  2. 2 and 4
  3. 3
  4. 4 and 5
  5. All of the above
Application machine learning methods to large data base is called?
  1. Internet of things
  2. Artificial intelligence
  3. Big data computing
  4. Data mining
Which of the following type of virtualization is found in hypervisor such as Microsoft’s Hyper V?
  1. Full virtualization
  2. Emulation
  3. Para-virtualization
  4. None
With which network type will OSPF establish route adjacencies but not perform the DR/BDR election process?
  1. Point-to-point
  2. Backbone area 0
  3. Broadcast multi-access
  4. Non-broadcast multi-access
The HAVING clause does which of the following?
  1. Acts like a WHERE clause but is used for groups rather than rows
  2. Acts like a WHERE clause but is used for columns rather than groups
  3. Acts EXACTLY like a WHERE clause
  4. Acts like a clause but is used for rows rather than columns
The context in which the privilege “CREATE TABLESPACE” applies in?
  1. Views
  2. Tables
  3. Stored routines
  4. Server administration
What is the primary purpose of data pipeline in data modeling?
  1. To visualize data relationships
  2. To calculate summary statistics
  3. To define data attributes and properties
  4. To prepare and transform data for analysis
Business Intelligence (BI) reporting system cannot do which of the following?
  1. Filter data
  2. Group data
  3. Modify data
  4. Both filter and group data
Phenomena in which signal transmitted in one circuit creates undesired effect in other circuit is known as?
  1. Crosstalk
  2. Signal attenuation
  3. Sampling
  4. Cross linking
The SI unit of magnetic flux is?
  1. Reluctance
  2. Resistance
  3. Permeance
  4. Weber
Force due to magnetic field and velocity is?
  1. At right angles to each other
  2. At acute angles with each other
  3. At obtuse angle with each other
  4. Anti parallel to each other
Force on a moving charge in a uniform magnetic field depends upon?
  1. Magnetic flux density
  2. The charge on the particle
  3. The speed of particle
  4. All of the above
The clouds float in atmosphere because of?
  1. Low Temperature
  2. Low Velocity
  3. Low Pressure
  4. Less Density
Speed of sound in water is 1500 ms^-1, depth of water when reflected sound waves are detected after 0.40 s is?
  1. 700 m
  2. 600 km
  3. 600 m
  4. 750 km
For a straight wire, induced current depends upon?
  1. The speed of movement of wire
  2. The length of wire
  3. The magnitude of magnetic flux density
  4. All of the above
In generators, the rate of change of flux linkage is maximum when the coil is moving through the?
  1. Vertical position
  2. Horizontal position
  3. Diagonal position
  4. At an angle of 45°
When light enters from vacuum in to glass, its velocity?
  1. Decreases
  2. Remains same results
  3. Increases
  4. Varies depending on mass of glass
f(x)= sin(x)cos(x) is?
  1. Linear function
  2. Quadratic function
  3. Odd function
  4. Even function
05 persons can be seated at a round table in?
  1. 25 ways
  2. 24 ways
  3. 20 ways
  4. None of the Above
Tan (α + β) =?
  1. (tanα – tanβ) / (1 + tanαtanβ)
  2. (tanα + tanβ) / (1 – tanαtanβ)
  3. (cotα + cotβ) / (1 – cotαcotβ)
  4. (cotα – cotβ) / (1 + cotαcotβ)
6^P4 is equal to?
  1. 36
  2. 360
  3. 6
  4. 4
The graph of the linear function represents?
  1. Triangle
  2. Circle
  3. Straight line
  4. Parabola
A function whose range consists of just one element is called is?
  1. Onto function
  2. One-one function
  3. Constant function
  4. Identity function
The set {{1, 2, 3}, {4, 5}} has?
  1. Two elements
  2. Five elements
  3. Infinite elements
  4. One element
If a cylinder is covered by two hemispheres shaped lid of equal shape, then the total curved surface area of the new object will be?
  1. 4πrh+ 2πr2
  2. 4πrh-2πr2
  3. 2πrh+ 4πr2
  4. 2πrh+ 4πr
If we change the shape of an object from a sphere to a cylinder, then the volume of cylinder will?
  1. Increase
  2. Decrease
  3. Remains unchanged
  4. Doubles
In the objective function, the negative coefficient value shows?
  1. Decrease in value of x
  2. Increase in value of x
  3. Increase in value of z
  4. Decrease in value of z
Antonym of Probity is?
  1. Very brave
  2. Intelligent
  3. Dishonesty
  4. Trustworthy
One Word Substitute: One who is hard to please?
  1. Fastidious
  2. Inflammable
  3. Incorrigible
  4. Deteriorate
One Word substitute: One traveling on horse-back?
  1. Equestrian
  2. Egoist
  3. Germicide
  4. Impassable
Classification of animals and plants is called?
  1. Taxonomy
  2. Ecology
  3. Both A and B
  4. None of the above

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