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
- Barometer
- Hygrometer
- Both
- None
The most abundant element in the universe is called:
- Oxygen
- Helium
- Hydrogen
- None of these
- all of these
Identify the tense which is used in the sentence “They will have been writing their letters”?
- Future Perfect Continuous
- Future Continuous
- Present Perfect Continuous
- Present Perfect
One word substitution: Study of human face?
- Mensuration
- Horology
- Physiognomy
- Sinology
Meaning of word “Siesta”?
- Afternoon rest
- Goodbye
- Word for word
- Farewell
Choose the correct option of the idiom: Cheek by jowl?
- Close together
- One after another
- Side by side
- Proportionately
Choose the correct spelling: Anesthatize, Anaesthetize, Anasthetize, Aveasthatize
- Anesthatize
- Anaesthetize
- Anasthetize
- Aveasthatize
Cosθ + Cosn = _____?
- -2sin(θ + n/2)sin(θ-n/2)
- 2cos(θ + n/2)sin(θ-n/2)
- 2cos(θ + n/2)cos(θ-n/2)
- None of the Above
How many isotopes have odd atomic number?
- 154
- 280
- 86
- 300
01 V is equal to?
- 1 J C^-1
- 2 J C^-1
- 1 J^-1 C
- 2 J^-1 C
If A, B, and C are any three sets, then A × (B ∪ C) is equal to?
- (A×B) ∪ (A×C)
- (A∪B) × (A∪C)
- (A×B) ∪ (A×C)
- None
Sin(n+a) = ______?
- cosa
- -cosa
- -sina
- sina
If * is a binary operation in A then?
- A is closed under *
- A is not closed under *
- A is not dosed under +
- A is closed under –
If tanθ < θ, sin <0, then the terminal arm of the angle lies in the quadrant?
- 1
- 2
- 3
- 4
f(x) = sin(x) is?
- Linear function
- Quadratic function
- Odd function
- Even function
Hall voltage is directly proportional to?
- Current
- Field
- Magnetic flux density
- All of above
A relation in which the equality is true only for a number of unknowns is called an?
- Identity
- Equation
- Algebric equation
- Algebric relation
The molecules of CO2, in dry ice form?
- Ionic crystal
- Covalent crystal
- Molecular crystal
- 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?
- 3rd electron
- 6th electron
- 8th electron
- 18th electron
Industrial materials thermal power stations are coated with___?
- Polyester resins
- Epoxy paints
- Polyamide resins
- Polyvinyl chloride
To a combined fraction into its parts is called?
- Rational fraction
- Partial fraction
- Combined fraction
- None
If the connections across the resistor are reversed, then graph between current and potential difference is?
- Inverted
- Variable
- Straight lined
- Constant
As compared to sound waves, the frequency of radio waves is?
- Equal
- May be higher or lower
- Lower
- Higher
Ions have have noble gas electronic configuration’ was suggested by?
- Kossel
- Lewis
- Newton
- Russell
Kinetic friction is always?
- Lesser than static friction
- Greater than static friction
- Equal to static friction
- Equal to contact force
Which one is true about isotope?
- Same number of neutrons
- Same mass number
- Same physical properties
- Same chemical properties
The taste of lemon is due to the presence of?
- Citric acid
- Acetic acid
- Ethanoic acid
- Benzoic acid
The removal of electrons one by one from an atom by a specific sequence of ionization energies are termed as?
- Successive ionization energies
- Successive ionization changes
- Successive ionization replacement
- Ionization
Decrease in strength of signal is known as?
- Tuning
- Modulation
- Attenuation
- Amplification
Digital number 9 can be represented in binary number as?
- 110
- 1001
- 1010
- 1011
Waves that are move through materials are called?
- Progressive waves
- CM waves
- Radio waves
- LIV waves
Which of the following is not a macro molecule?
- Sand
- Haemoglobin
- Diamond
- Maltose
If y is expressed in terms of a variable x as y = f(x), then y is called?
- Explicit function
- Implicit function
- Linear function
- Identity function
Splitting of light into its constituent colors is known as?
- Dispersion
- Contraction
- Reflection
- None
What does Machinations mean?
- Ridicule
- Crafty schemes or intrigues
- A feeling of fear or nervousness
- Feeling of satisfication
Choose the correct option: The last time we _____ dinner with them, they ______ for the new house.
- Have had/looked
- Were having/have been looking
- Have been having/look
- Had/were looking
The other girls ____ her because of the way she dressed.
- Inherent
- Pleases
- Metro – phobia
- Ostracized
Meaning of the word “En masse”?
- On the way
- All together
- Genuine
- Actual
Heifer is a kind of?
- Deer
- Cow
- Horse
- Donkey
Which of the following is a component of the coenzyme A?
- Retinol
- Pyridoxine
- Retinoic acid
- Pantothenic acid
What is the full form of ICANN?
- The Internet Corporation Active Names and Numbers
- The Internet Corporation for Advanced Names and Numbers
- The Internet Corporation for Archive Names and Numbers
- The Internet Corporation for Assigned Tames and Numbers
Which of the following G-protein takes part in the regulation of vision?
- Golf
- Gi family
- Gs family
- Gq family
The strictest transaction isolation level provided by SQL Server is?
- REPEATABLE READ
- SERIALIZABLE
- READ COMMITTED
- READ UNCOMMITTED
If a disease jumps from animal to a human, then it is termed?
- Zoonotic disease
- Infectious disease
- Congenital disease
- Latrogenic disease
The bacterium Yersinia pestis causes?
- Plague
- Rubella
- Roseola
- Measles
4^P2, is equal to?
- 18
- 12
- 6
- 0
Which of the following is the most essential nutrient for a woman during her initial stages of pregnancy to prevent birth defects?
- Thiamin
- Folic acid
- Vitamin C
- Vitamin E
On oxidation of 1 molecule of glucose ____ ATP is produced through aerobic respiration.
- 10
- 25
- 30
- 38
Google Chrome is the web browsing software developed in _____ by Google Inc.
- 2008
- 2007
- 2010
- 2009
What is the term used for describing the judgmental or common-sense part of problem solving?
- Heuristic
- Critical
- Value based
- Analytical
Which of the following is not Country Code Top level Domain (ccTLD)?
- .In
- .can
- .de
- .cat
The cause of short-term or acute vitamin A poisoning is due to?
- Eating the liver of Mule deer
- Eating the liver of Buffalo
- Eating the liver of Ostrich
- Eating the liver of Polar bear
Perinatal transmission is said to occur when a pathogen is transmitted from ____?
- Non-human to human
- Infected to uninfected
- Mother to infant
- All of the above
An important product of the Krebs cycle is?
- Water
- Methane
- ATP
- None of the above
Which of the following commands displays the configurable parameters and statistic of all interfaces on the route?
- Show running-config
- Show startup-config
- Show versions
- Show interfaces
Telnet is a ____ based computer protocol.
- Sound
- Image
- Text
- Animation
What is the purpose of Spanning Tree Protocol in a switched LAN?
- To provide a mechanism for network monitoring in switched environments
- To prevent routing loops in networks with redundant paths
- To prevent switching loops in networks with redundant switched paths
- 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?
- Accuracy
- Precision
- Recall
- F1 Score
The signaling pathway, followed by T-lymphocytes in response to antigenic stimulation, is ______?
- Endocrine signaling
- Paracrine signaling
- Autocrine signaling
- Juxtacrine signaling
Choose the meaning of the Idiom: A cat’s Paw means?
- Person of soft nature
- Completely unarmed
- Person used as a tool to do something dangerous
- A narrow escape
Choose the meaning of the idiomatic phrase: Not turn a hair means?
- Coward person
- Docile person
- Fearless person
- Timid appearance
What is the synonym of UNSULLIED?
- Spoiled
- Ill-natured
- Not spoiled
- Stained
they spent the evening ….. through forty years of accumulated junk?
- sulking
- shifting
- screening
- None of these
Select the pair which has the same relationship Grain:Salt
- Chip:glass
- Shred: wood
- blades:grass
- None
Which protocol provides E-mail facility among different hosts ?
- TELNET
- SNMP
- SMTP
- None of these
Over-damping results in?
- Slower return to equilibrium
- Faster return to equilibrium
- Equilibrium is never achieved
- Unrhythmic to equilibrium
In a sample of a substance, at any given temperature the energy of all particles will?
- Not be same
- Be same
- Equal
- Constant
The compound which is added to leaded gasoline to save engine from lead oxide and lead sulphate deposits?
- Ethylene iodide
- Ethylene bromide
- Ethylene chloride
- Ethylene fluoride
Isotopes differs in
- Arrangement of electrons in orbitals
- Position in the periodic table
- Properties depend upon mass
- 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?
- One/seventeen
- Sixteen/seventeen
- One/three
- Two/three
A number which is assigned to each atom or ion in a compound which explains its degree of oxidation is called
- Oxidation degree only
- Oxidation state and number
- Oxidation state only
- Oxidation number
Elements found in D-block of the periodic table are known as?
- Acids
- Noble gases
- Transition elements
- Alkalis
The soul of chemistry is dealing with
- Internal structural changes in matter
- Composition of matter
- Properties of matter
- Composition and properties of matter
Amines which are bonded in Alkyl group are?
- Primary amines
- Secondary amines
- Tertiary amines
- Quaternary amines
Phenyl amine is involved importantly in the synthesis of?
- Dyes
- Medicines
- Drugs
- Capsules
The distribution of energy for temperature was given in?
- Boltzmann distribution
- Boltzmann energy
- Boltzmann temperature distribution
- Boltzmann pressure
Which of the following is a fat-soluble vitamin?
- Vitamin B
- Vitamin C
- Vitamin B12
- Vitamin K
The condition created due to the deficiency of Niacin is called?
- Scurvy
- Rickets
- Pellagra
- Pernicious anaemia
Deficiency of _______ causes the leaves to develop a dark green colouration.
- Phosphorous
- Potassium
- Sodium
- None of the above
______are the elements, without which, the plants will not be able to complete its life cycle.
- Fertilizers
- Microelements
- Macroelements
- Essential elements
______ is a technique where the plants are grown with their roots suspended in the air.
- Osmosis
- Aerophytes
- Aerosolization
- Aeroponics
Alpha-ketoglutarate dehydrogenase results in?
- Oxidation and Decarboxylation
- Reduction
- Oxidation
- None of the above
_____ is a product of aerobic respiration.
- Malic acid
- Pyruvate
- Ethylene
- Lactose
Extracellular signaling in animals is carried out by?
- Autocrine signaling
- Endocrine signaling
- Juxtacrine signaling
- All of the above
Which of the following messenger molecules are derived from Arachidonic acid?
- Steroids
- Corticoids
- Terpenoids
- Eicosanoids
Which of the following vitamins serves as a hormone precursor?
- Vitamin A
- Vitamin C
- Vitamin D
- Vitamin K
What is the administrative distance of OSPF?
- 90
- 100
- 110
- 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 and 2
- 2 and 4
- 3
- 4 and 5
- All of the above
Application machine learning methods to large data base is called?
- Internet of things
- Artificial intelligence
- Big data computing
- Data mining
Which of the following type of virtualization is found in hypervisor such as Microsoft’s Hyper V?
- Full virtualization
- Emulation
- Para-virtualization
- None
With which network type will OSPF establish route adjacencies but not perform the DR/BDR election process?
- Point-to-point
- Backbone area 0
- Broadcast multi-access
- Non-broadcast multi-access
The HAVING clause does which of the following?
- Acts like a WHERE clause but is used for groups rather than rows
- Acts like a WHERE clause but is used for columns rather than groups
- Acts EXACTLY like a WHERE clause
- Acts like a clause but is used for rows rather than columns
The context in which the privilege “CREATE TABLESPACE” applies in?
- Views
- Tables
- Stored routines
- Server administration
What is the primary purpose of data pipeline in data modeling?
- To visualize data relationships
- To calculate summary statistics
- To define data attributes and properties
- To prepare and transform data for analysis
Business Intelligence (BI) reporting system cannot do which of the following?
- Filter data
- Group data
- Modify data
- Both filter and group data
Phenomena in which signal transmitted in one circuit creates undesired effect in other circuit is known as?
- Crosstalk
- Signal attenuation
- Sampling
- Cross linking
The SI unit of magnetic flux is?
- Reluctance
- Resistance
- Permeance
- Weber
Force due to magnetic field and velocity is?
- At right angles to each other
- At acute angles with each other
- At obtuse angle with each other
- Anti parallel to each other
Force on a moving charge in a uniform magnetic field depends upon?
- Magnetic flux density
- The charge on the particle
- The speed of particle
- All of the above
The clouds float in atmosphere because of?
- Low Temperature
- Low Velocity
- Low Pressure
- 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?
- 700 m
- 600 km
- 600 m
- 750 km
For a straight wire, induced current depends upon?
- The speed of movement of wire
- The length of wire
- The magnitude of magnetic flux density
- All of the above
In generators, the rate of change of flux linkage is maximum when the coil is moving through the?
- Vertical position
- Horizontal position
- Diagonal position
- At an angle of 45°
When light enters from vacuum in to glass, its velocity?
- Decreases
- Remains same results
- Increases
- Varies depending on mass of glass
f(x)= sin(x)cos(x) is?
- Linear function
- Quadratic function
- Odd function
- Even function
05 persons can be seated at a round table in?
- 25 ways
- 24 ways
- 20 ways
- None of the Above
Tan (α + β) =?
- (tanα – tanβ) / (1 + tanαtanβ)
- (tanα + tanβ) / (1 – tanαtanβ)
- (cotα + cotβ) / (1 – cotαcotβ)
- (cotα – cotβ) / (1 + cotαcotβ)
6^P4 is equal to?
- 36
- 360
- 6
- 4
The graph of the linear function represents?
- Triangle
- Circle
- Straight line
- Parabola
A function whose range consists of just one element is called is?
- Onto function
- One-one function
- Constant function
- Identity function
The set {{1, 2, 3}, {4, 5}} has?
- Two elements
- Five elements
- Infinite elements
- 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?
- 4πrh+ 2πr2
- 4πrh-2πr2
- 2πrh+ 4πr2
- 2πrh+ 4πr
If we change the shape of an object from a sphere to a cylinder, then the volume of cylinder will?
- Increase
- Decrease
- Remains unchanged
- Doubles
In the objective function, the negative coefficient value shows?
- Decrease in value of x
- Increase in value of x
- Increase in value of z
- Decrease in value of z
Antonym of Probity is?
- Very brave
- Intelligent
- Dishonesty
- Trustworthy
One Word Substitute: One who is hard to please?
- Fastidious
- Inflammable
- Incorrigible
- Deteriorate
One Word substitute: One traveling on horse-back?
- Equestrian
- Egoist
- Germicide
- Impassable
Classification of animals and plants is called?
- Taxonomy
- Ecology
- Both A and B
- None of the above
Also Read: SPSC English Lecturer Past Papers
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