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Conversion of heat into electrical energy can be achieved by using a -
General Science Class-7th Class 8th Class 9th
Q. 5 of Quiz-588 (Que-ID : 567)
Conversion of heat into electrical energy can be achieved by using a -
Conversion of heat into electrical energy can be achieved by using a -
- ammeter
- hydromere
- voltmeter
- thermocouple
Ans → (d)thermocouple
Explanation → A thermocouple is an electrical device consisting of two
dissimilar electrical conductors forming an electrical junction. A
a thermocouple produces a temperature-dependent voltage as a result of the
the thermoelectric effect and this voltage can be interpreted to measure
temperature
This question is taken from this post → General Science Quiz | Practice test for SSC, DSSSB, UPSSC, UKSSC, railway, and RRB Exams - attemp/practice
More MCQs in - General Science Quiz | Practice test for SSC, DSSSB, UPSSC, UKSSC, railway, and RRB Exams
Directions : (Q.1 - Q.15 Physics part)
Galvanized iron is coated with a thin coating of-
- copper
- zinc
- aluminium
- white lead
Q. 2 of Quiz-588 (Que-ID : 559)
In the visible spectrum the colour having t he shortest wavelength is-
In the visible spectrum the colour having t he shortest wavelength is-
- Violet
- blue
- yellow
- Red
Q. 3 of Quiz-588 (Que-ID : 563)
Which of the following is the most viscous medium?
- Coaltar
- Water
- Alcohol
- Air
Q. 4 of Quiz-588 (Que-ID : 564)
A pond of clear water appears less deep than it really is. This is due to-
A pond of clear water appears less deep than it really is. This is due to-
- Reflection
- refraction
- The transparency of water
- Dispersion
Q. 5 of Quiz-588 (Que-ID : 567)
Conversion of heat into electrical energy can be achieved by using a -
Conversion of heat into electrical energy can be achieved by using a -
- ammeter
- hydromere
- voltmeter
- thermocouple
Q. 7 of Quiz-588 (Que-ID : 578)
What is the full form of RADAR ?
- Radio Detecting and Ranging
- Radio Detect and Rangs
- Radio Device and Ranging
- Region Device and Ranging
Q. 8 of Quiz-588 (Que-ID : 579)
Which of the following is the fastest communication channel ?
- Radio wave
- All are operating at nearly the same propagation speed
- Optical fiber
- Microwave
Q. 9 of Quiz-588 (Que-ID : 580)
Light from the sun reaches us in nearly
- 5 min
- 4.30 hrs
- 5.30 hrs
- 8 min
Q. 11 of Quiz-588 (Que-ID : 582)
The capacity of communication channel is measured in
- Band rate
- Band width
- Data flow
- Bit capacity
Q. 12 of Quiz-588 (Que-ID : 583)
Which of the following has the highest frequency ?
- x-rays
- cosmic rays
- microwaves
- radio waves
Q. 13 of Quiz-588 (Que-ID : 584)
In a freezer ice cube will be formed more quickly in trays made of
- rubber
- plastic
- aluminium
- wood
Q. 14 of Quiz-588 (Que-ID : 585)
Atmospheric pressure exerted on earth due to
- gravitational pull
- rotation of earth
- revolution of earth
- uneven heating of earth
Q. 15 of Quiz-588 (Que-ID : 586)
Which of the following is vector quantity ?
- momentum
- pressure
- Energy
- work
Directions : (Q.16 - Q.30 Chemistry part)
Q. 16 of Quiz-588 (Que-ID : 587)Neutrons were discovered by
- James Chadwick
- Ernest Rutherford
- J. J. Thomson
- John Dalton
Q. 17 of Quiz-588 (Que-ID : 588)
Atomic mass of an element equal to the sum of number of
- electrons and protons only
- protons and neutrons only
- electrons and neutrons only
- electrons, protons and neutrons
Q. 18 of Quiz-588 (Que-ID : 589)
Which one of the following is the largest composition in biogas ?
- Carbon dioxide
- Methane
- Hydrogen
- Hydrogen sulphide
Q. 20 of Quiz-588 (Que-ID : 591)
Vinegar is also known as -
- ethanoic acid
- nitric acid
- sulphuric acid
- tartaric acid
Q. 21 of Quiz-588 (Que-ID : 592)
Which of the following burns by producing a yellow, luminous flame ?
- coal
- LPG
- Wax
- charcoal
Q. 22 of Quiz-588 (Que-ID : 593)
The modern periodic table was prepared by -
- Dobereiner
- Newlands
- Bohr
- Mendeleev
Q. 24 of Quiz-588 (Que-ID : 595)
How much amount of urea will be required for supplying 1 kg of nitrogen ?
- 2.0 kg
- 2.2 kg
- 2.5 kg
- 2.7 kg
Q. 27 of Quiz-588 (Que-ID : 598)
Which of the following is also known as laughing gas ?
- Nitric oxide
- Nitrous oxide
- Nitrogen pentoxide
- Nitrogen
Q. 28 of Quiz-588 (Que-ID : 599)
Who is regarded as the father of modern chemistry ?
- Rutherford
- Einstein
- Lavoisier
- C. V. Raman
Q. 29 of Quiz-588 (Que-ID : 600)
The cooking gas LPG mainly consist of
- Ethene
- Propene
- Propane and Butane
- Ethyne
Q. 30 of Quiz-588 (Que-ID : 601)
What is the dominant chemical present in detergent powder ?
- Hydrochloric acid
- Sodium carbonate
- Calcium carbonate
- Sodium alkyl sulphate
Directions : (Q. 31 - Q. 45 Biology Part)
Q. 31 of Quiz-588 (Que-ID : 602)which one of the following plant tissues has dead cells ?
- Epidermis
- Parenchyma
- Collenchyma
- Sclerenchyma
Q. 32 of Quiz-588 (Que-ID : 603)
Lights enters the eye through a thin membrane called
- retina
- cornea
- pupil
- iris
Q. 33 of Quiz-588 (Que-ID : 604)
Which of the following is not a Reptile ?
- Green-turtle
- Crocodile
- Salamandra
- Garden Lizard
Q. 34 of Quiz-588 (Que-ID : 605)
which of the following statements is not a micronutrient in plants ?
- Iron
- Manganese
- Copper
- Magnesium
Q. 35 of Quiz-588 (Que-ID : 606)
Red colour of tomato is caused due to the presence of
- Vitamin C
- Lycopene
- Chromoplasts
- Leucoplasts
Q. 36 of Quiz-588 (Que-ID : 607)
Which acid is produced in human stomach for digestion purpose ?
- Sulphuric Acid
- Hydrochloric Acid
- Acetic Acid
- Nitric Acid
Q. 37 of Quiz-588 (Que-ID : 608)
Chromosome number in any species
- increase by age
- decrease by age
- is constant
- increase with the weight
Q. 38 of Quiz-588 (Que-ID : 609)
In human body percentage of which element is highest?
- Hydrogen
- Nitrogen
- Carbon
- Oxygen
Q. 39 of Quiz-588 (Que-ID : 610)
Mother's milk provides almost complete diet to the new born , but it lacks the following
- Iron
- Calcium
- Magnesium
- Potassium
Q. 40 of Quiz-588 (Que-ID : 611)
Tulsi plant has medicinal values due to presence of the following
- Inorganic acid
- Organic acid
- Phenols and Flavonoids
- None of the above
Q. 41 of Quiz-588 (Que-ID : 612)
The exposed skin of our body starts cracking in winter season due to
- rainy season,
- high humidity
- summer season
- low humidity
Q. 43 of Quiz-588 (Que-ID : 614)
Which nutrient provides the maximum energy on breakdown?
- Fibres
- Proteins
- Fats
- Carbohydrates
Q. 44 of Quiz-588 (Que-ID : 615)
Which organ in the human body helps to maintain balance ?
- Heart
- Liver
- Ear
- Brain
Q. 45 of Quiz-588 (Que-ID : 616)
Hemoglobin is the protein inside red blood cells that carries
- Oxygen
- Carbon dioxide
- Nitrogen
- Ozone
More MCQs In - General Science Class-7th Class 8th Class 9th
Q. 15 of Quiz- (Que-ID : 586)
Which of the following is vector quantity ?
- momentum
- pressure
- Energy
- work
Q. 4 of Quiz- (Que-ID : 2617)
The bile duct and pancreatic duct open together into which region of intestine
- Jejunum
- Ileum
- Duodenum
- Cardiac
Q. 25 of Quiz- (Que-ID : 2843)
Which of the following animals show menstrual cycle?
- Gorillas and chimpanzees
- Monkeys and humans
- Orangutans and monkeys
- All of these
Q. 4 of Quiz- (Que-ID : 2822)
Meiosis does not occur in
- asexually reproducing diploid individuals
- sexually reproducing haploid individuals
- sexually reproducing diploid individuals
- all of these.
Q. 9 of Quiz- (Que-ID : 3277)
Isogamous condition with non-flagellated gametes is found in
- Chlamydomonas
- Spirogyra
- Volvox
- Fucus
Directions : (प्रश्न 16 से 20) प्रत्येक प्रश्न में दिए गए वाक्य को व्यक्त करने के लिए उपयुक्त लोकोक्ति का चयन कीजिए।
Q. 20 of Quiz- (Que-ID : 1010)अपनी शक्ति के अनुसार ही खर्च करना -
- घर गेंहू तो कनक उधरौ
- कर वहिना बल आपनी
- तेते पांव पसारिये जेती लंबी सौर
- खरी मजूरी चोखा काम
Directions : (प्रश्न 16 से 20) प्रत्येक प्रश्न में दिए गए वाक्य को व्यक्त करने के लिए उपयुक्त लोकोक्ति का चयन कीजिए।
Q. 17 of Quiz- (Que-ID : 1007)बड़े लोग देखने की अपेक्षा सुनने में ज्यादा विश्वास कर लेते हैं -
- चिराग तले अंधेरा
- कहें खेत की सुनें खलिहान की
- बड़ों के कान होते है आँख नहीं
- ऊंट न जाने किस करवट बैठे
Q. 4 of Quiz- (Que-ID : 1581)
Amino acids with carbon chains that can be metabolically converted into glucose or glycogen are called… .
- Metagenic amino acids
- Glucogenic amino acids
- Ketogenic amino acids
- Glutamic amino acids
Q. 7 of Quiz- (Que-ID : 997)
सच्चे न्याय के लिए कौन सा मुहावरा उपयुक्त है?
- दूध का दूध पानी का पानी
- गागर में सागर भरना
- एक पंथ दो काज
- चूल से चूल भिड़ाना
Q. 1 of Quiz- (Que-ID : 3419)
Desired properties of plants and Animals are possible by which reproduction?
- Genetic Engineering
- Chromosomal Engineering
- Ekabana technology
- Bonsai technology
Q. 4 of Quiz- (Que-ID : 2972)
Which among is the most toxic
- Ammonia
- Uric acid
- Urea
- None of the above
Q. 40 of Quiz- (Que-ID : 611)
Tulsi plant has medicinal values due to presence of the following
- Inorganic acid
- Organic acid
- Phenols and Flavonoids
- None of the above
Q. 14 of Quiz- (Que-ID : 2882)
In which of the following weeks of pregnancy CVS is done ?
- 12th – 14th week
- 8th – 10th week
- 5th – 7th week
- None of these
Q. 1 of Quiz- (Que-ID : 2994)
Golgi complex and endoplasmic reticulum cannot be seen during
- late telophase
- late prophase
- early anaphase
- late metaphase
Q. 38 of Quiz- (Que-ID : 609)
In human body percentage of which element is highest?
- Hydrogen
- Nitrogen
- Carbon
- Oxygen
Q. 12 of Quiz- (Que-ID : 3405)
In an experiment, recombinant DNA bearing ampicillin-resistance gene is transferred into E.coli cells. The host cells are then cultured on a medium containing ampicillin. The result will be
- both transformants and non-transformants cannot survive
- both transformants and non-transformants can survive.
- transformants only and not the non-transformants can survive
- transformants cannot survive, but non-transformants can not.
Q. 25 of Quiz- (Que-ID : 3393)
A microbial biocontrol agent that can be used to control butterfly caterpillars is
- Trichoderma polysporum
- Bacillus thuringiensis
- Streptococcus
- mycorrhiza
Q. 15 of Quiz- (Que-ID : 2908)
In human adult females oxytocin
- stimulates pituitary to secrete vasopressin
- causes strong uterine contractions during parturition
- is secreted by anterior pituitary
- stimulates growth of mammary glands
Q. 25 of Quiz- (Que-ID : 3543)
Which metal inactivates a catalytic converter?
- Gold
- Iron
- Silvers
- Lead
Q. 30 of Quiz- (Que-ID : 980)
Khamsin is a hot and dry local wind experienced in -
- Iran
- Egypt
- Saudi Arabia
- Iran
Q. 10 of Quiz- (Que-ID : 2878)
The correct surgical procedure as a contraceptive method is
- ovariectomy
- hysterectomy
- vasectomy
- castration
Q. 14 of Quiz- (Que-ID : 2857)
In albuminous seeds, food is stored in _______ and in non albuminous seeds, it is stored in _______
- endosperm, cotyledons
- cotyledons, endosperm
- nucellus, cotyledons
- endosperm, radicle
Q. 35 of Quiz- (Que-ID : 985)
Number of persons expressed in terms of unit area of land is known as -
- Economic density
- Agricultural density
- Physiological density
- Arithmetical density
Q. 22 of Quiz- (Que-ID : 2865)
Both chasmogamous and cleistogamous flowers are present in
- Helianthus
- Commelina
- Rosa
- Gossypium
Q. 13 of Quiz- (Que-ID : 3231)
certain plants called as runners can be easily propagated. This is due to the fact
- they are numerous in numbers
- they store the ready food
- they lie horizontally on the soil
- they can produce adventitious roots quite readily at the nodes
Q. 8 of Quiz- (Que-ID : 2976)
Green glands/ antennal glands are excretory structures of which organism
- Earthworm
- Prawn
- Cockroach
- Planaria
Q. 16 of Quiz- (Que-ID : 3059)
Incomplete oxidation of glucose into pyruvic acid with several intermediate steps is know as
- TCA pathway
- Glycolysis
- Hms pathway
- Glycolysis
Q. 24 of Quiz- (Que-ID : 3192)
In mammals maximum energy is lost by the
- Respiration
- Urine
- Skin
- Stool
Q. 2 of Quiz- (Que-ID : 3320)
Which one of the following disease is non – communicable ?
- Diphtheria
- Flu
- Cancer
- Malaria
Q. 14 of Quiz- (Que-ID : 585)
Atmospheric pressure exerted on earth due to
- gravitational pull
- rotation of earth
- revolution of earth
- uneven heating of earth
Q. 4 of Quiz- (Que-ID : 3247)
The clam nervous system is composed of
- labial palps
- one pair of ganglia
- two pairs of ganglia
- three pairs of ganglia
Q. 16 of Quiz- (Que-ID : 3284)
Antheridia and Archegonia are sex organs of
- Moss
- Mucor
- Spirogyra
- Puccinia
Q. 4 of Quiz- (Que-ID : 3097)
The process of conversion of NO2– to N2 is called
- nitrification
- ammonification
- denitrification
- nitrogen fixation
Q. 11 of Quiz- (Que-ID : 2954)
If the base sequence of a codon in mRNA is 5’ – AUG – 3′ the sequence of tRNA pairing with it must be
- 5’ – UAC – 3’
- 5’ – CAU – 3’
- 5’-AUG – 3’
- 5’ – GUA – 3’
Q. 7 of Quiz- (Que-ID : 3350)
The term “inbreeding depression” is related to
- increased fertility and productivity
- increased milk production
- reduced fertility & productivity
- reduced milk production
Q. 11 of Quiz- (Que-ID : 2829)
The wall of the ovary forms
- pericarp
- fruit wall
- fruit
- both (a) and (b).
Q. 20 of Quiz- (Que-ID : 2633)
Duct of paratoid gland are known as
- Rhenius
- Stensons
- Warton
- None of the above
Q. 7 of Quiz- (Que-ID : 578)
What is the full form of RADAR ?
- Radio Detecting and Ranging
- Radio Detect and Rangs
- Radio Device and Ranging
- Region Device and Ranging
Q. 22 of Quiz- (Que-ID : 3090)
In the half-leaf experiment of photosynthesis, KOH solution is used because
- It provides O2 to the leaf.
- It provides moisture to the leaf.
- t helps in CO2 fixation
- It absorbs CO2
Q. 4 of Quiz- (Que-ID : 3547)
Which of the following is the essential element for batteries used in electric cars?
- Lithium
- Sodium
- Magnesuium
- Bromine
Directions : (प्रश्न 6 से 10 ) दिए गए वाक्य के संदर्भ में उपयुक्त मुहावरा छाँटिए।
Q. 6 of Quiz- (Que-ID : 996)कपटी लोग मित्र के धनी होने पर आंखे फेर लेते हैं -
- पीठ दिखाना
- अंगूठा दिखाना
- हाल पतला होना
- आंखें बदलना
Q. 19 of Quiz- (Que-ID : 3362)
The term ‘apiculture’ refers to
- tissue culture
- pisciculture
- bee-keeping
- animal-keeping
Q. 8 of Quiz- (Que-ID : 3376)
Which one of the following can be used as biofertiliser in cotton field ?
- Azolla-Anabaena
- Streptococcus
- Azospirillum
- Azotobacter chroococcum
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