HTET PRT Mock Test - 10 - HTET MCQ

A picture will be the best teaching aid to teach the subject of biology. A number of pictures can be used to teach each of the processes individually.

Motivation has been mainly termed as a factor that drives or pushes one in a certain direction or to behave in a certain way. Motivation can be termed as a driving force or it can also be stated as a process that starts and drives various activities, whether physical or psychological.

सही उत्तर ​बलदायक या सीमाबोधक निपात है।

Key Pointsवह आज तक परीक्षा में सफल नहीं हुआ।- वाक्य के रेखांकित शब्द में बलदायक या सीमाबोधक निपात है।

अन्य विकल्प-

• स्वीकार्य निपात- हाँ, जी, जी हाँ।
• निषेधात्मक निपात- मत
• विस्मयादिबोधक निपात- क्या, काश, काश कि

निपात- किसी भी बात पर अतिरिक्त भार देने के लिए जिन शब्दों का प्रयोग किया जाता है, उसे निपात कहते है। जैसे- तक, मत, क्या, हाँ, भी, केवल, जी, नहीं, न, काश। उदाहरण- कल मै भी आपके साथ चलूँगा।Additional Information

सही उत्तर है - "सभी-शैव" lKey Points

• सर्व का अर्थ है - सभी l
• शर्व का अर्थ है - शैव l
• इसलिए यह सही उत्तर है l

अन्य विकल्पों का विश्लेषण:-

• शव शब्द का अर्थ है - मृतक का शरीर, लाश l
• सही का अर्थ है - ठीक l
• शाकाहारी का अर्थ है - वह जो बस वनस्पति खाता है l
• इन तीनों शब्द जोड़ों में एक- एक शब्द का अलग अर्थ है, इसलिए यह तीनों प्रश्न में दिए गए शब्द- युग्म के सही अर्थ को नहीं बताते l

Additional Information

• सर्व-शर्व यह दोनों श्रुतिसम भिन्नार्थक शब्दों के उदाहरण है जो सुनने में एक जैसे लगते हैं, और वर्तनी में भी कुछ सामान ही होते हैं, लेकिन इनके अर्थ बिल्कुल अलग-अलग होते हैं l
• ऐसे कुछ शब्दों के उदाहरण:-
• चर्म- चमड़ा
  • चरम- अत्यधिक
• हय- घोड़ा
  • हिय- हृदय
• श्रवण- सुनना, कान
  • श्रमण- बौद्ध संन्यासी

The given sentence is of present perfect tense and it is in active form.

The structures for active/passive voices are:

Active: Subject + has/have + verb (IIIrd form) + object...

Passive: Object + has/have + been + verb (IIIrd form) + by + subject...

The active voice statement is in present perfect tense, thus the passive voice statement has to be in present perfect tense itself.

Out of the available options, only option (d) satisfies this criterion and thus, is the correct response.

Use structure “By + question word + subject + auxiliary + past participle”
As per the given above sentence is given in Passive Voice.
By whom is this mess being created?
Hence , option D is correct sentence .

Combined weight of the group increases by = 2 × 15 = 30 kg
So the answer = 40 + 30 = 70 kg
Hence, Option C is correct.

(100 – 37.50)% of total employees = 450
62.50% of total employees = 450

Hence, Option C is correct.

To solve this problem, we need to evaluate the expression (100 - 99⁰) x 100. Let's break it down step by step:
Step 1: Evaluate 99⁰: Any number raised to the power of 0 is equal to 1. So, 99⁰ = 1.
Step 2: Substitute the value of 99⁰ into the expression: (100 - 1) x 100 = 99 x 100.
Step 3: Multiply 99 and 100: 99 x 100 = 9900.
Therefore, the value of the expression (100 - 99⁰) x 100 is 9900.
Hence, the correct answer is C: 9900.

So the answer = 30 × 63 = 1890 meters
Hence, Option D is correct.

The correct answer is Wrestling.

Key Points

• Satyawart Kadian is associated with wrestling sports.
  • He was born on 9th November 1993, in Rohtak, Haryana, India.
• The Achievements of Satyawart Kadian:
  • A bronze medal in the 100 kg category at the 2010 Youth Olympic Games, held in Singapore.
  • Earned a bronze medal in the 96 kg category at the World Junior Championships in 2013 that took place in Sofia.
  • Bagged silver and a bronze medal in the 97 kg category at the Commonwealth Games and Asian Championships of 2014.
  • Won the title at the 1st Rustam-e-International tournament which was held at Jammu in 2015.
  • Clinched a gold medal in the 97 kg category at the Commonwealth Championships of 2016, held in Singapore.
  • Claimed a bronze medal in the 97 kg category at the 2019 Asian Championships.

Additional Information

The correct answer is Sarabjot Singh.

Key Points

• Haryana’s Sarabjot Singh won double gold at the 65th National Shooting Championship on 2 December 2022.
• Sarabjot defeated Gaurav Rana of the Air Force 16-4 in the gold medal match for the individual crown and also partnered with Sumit Raman and Anmol Jain to pick up the team gold in the event.
• The championship is being held at the MP Shooting Academy range in Bhopal.

Additional Information

• Other Sports News:
  • ​In Badminton, Satwiksairaj Rankireddy and Chirag Shetty bagged the biggest title of their career, claiming the French Open Super 750 crown.
  • In ISSF World Championship, Sagar Dangi bagged Gold and Silver in the Junior Men’s 10m Air Pistol team and individual events in Cairo, Egypt on 21 October 2022.
  • Indian javelin thrower DP Manu won Gold medal in the men’s competition with a best throw of 81.23m at the National Open Athletics Championships in Bengaluru on 18th Oct 2022.

Amount Manish had = Rs.45
Fraction of the amount spent = 35
∴ Amount left = 

Combined weight of the group increases by = 2 × 15 = 30 kg
So the answer = 40 + 30 = 70 kg
Hence, Option C is correct.

Hence, Option C is correct.

In order to  find the multiplicative inverse of  the given number, find the reciprocal of that number.
Here the given number is -13
So the reciprocal of -13 will be -1/13

Therefore, option C is the correct answer. 

1 and -1 are the only rational numbers which are their own reciprocal. No other rational number is equal to its own reciprocal. So the rational numbers that are equal to their reciprocals are 1 and -1. Note: There is no rational number which when multiplied with zero, gives 1.

Area of Trapezium  = 1/2 (sum of Parallel sides ) * height
let a and b are the parallel sides:
a= 4cm
b= 6 cm
h= 3cm
according to formula -> 1/2(4+6)*(3)
=>1/2(10)(3)
=>30/2
=>15 cm²

From the above figure we can see that the line segments joining the centre of circular faces is perpendicular to the base.

Thus, the correct match is:

The correct answer is Increase in groundwater level.

Key Points

An increase in groundwater level is not a consequence of deforestation.

Deforestation

• It is a very broad term, which consists of cutting of trees including repeated lopping, felling, and removal of forest litter, browsing, grazing, and trampling of seedlings. It can also be defined as the removal or damage of vegetation in a forest to the extent that it no longer supports its natural flora and fauna.
• Deforestation not only affects the climate by increasing the atmospheric level of carbon dioxide but also affects the environment by inhibiting water recycling, triggering severe flooding, aquifer depletion, soil degradation, and the extinction of plant and animal species.
• Deforestation leads to an increase in soil erosion and a decrease in rainfall.  
• Causes of Deforestation: The most common reason for deforestation is the cutting of wood for fuel, lumber, and paper. Another important cause relates to the clearing of forest land for agriculture, including conversion to cropland and pasture. The main causes of deforestation are:
  • Agriculture
  • Shifting cultivation
  • Demand for firewood
  • Wood for industry and commercial use
  • Urbanization and developmental projects
  • Overgrazing of forests 

The correct answer is Central Pollution Control Board.

Key Points

• The CPCB (Central Pollution Control Board) has laid down the permissible noise levels in India for different areas.
• Noise pollution rules have defined the acceptable level of noise in different zones for both daytime and nighttime. 
  • Daytime comprises 6 am to 10 pm, and night is 10 pm to 6 am.
• In commercial areas,
  • Noise limitation has been fixed at 65 dB and 55 dB during daytime and nighttime respectively.
• In residential areas,
  • Limits are 55 dB and 45 dB during daytime and night respectively.
• In industrial areas,
  • The ceiling is fixed at 75dB and 70dB during daytime and nighttime respectively.

Additional Information

• State governments have declared silent zones.
  • These include areas that lie within 100 meters of the premises of schools, colleges, hospitals and courts.
  • The permissible noise limit in this zone is 50 dB during the day and 40 dB during the night.

The greenhouse effect is increasing due to the change in the concentration of greenhouse gases.

Key-Points

Greenhouse gases:

• They can absorb and emit the radiant energy within the thermal infrared range
• Some of the major greenhouse gases are water vapor, carbon dioxide, Methane, CFC, etc.
• Some GHG from industrial sources are,
  • ​Hydrofluorocarbons (HFCs)
  • Perfluorocarbons (PFCs)
  • Sulfur hexafluoride (SF6)
  • Nitrogen trifluoride (NF3)
• GHG block the earth's heat going to space by terrestrial radiation
• So this effect traps the heat energy and gradually cause global warming

Important Point

• Some of the greenhouse effects are global warming, climatic change, sea-level change, 
• The concentration of GHG is gradually increasing in the atmosphere. For example, according to the UN climate change conference bulletin, the concentration of CO₂ has increased by 147% in 2018 than that pre-industrial level measured in 1750.
• The growth rate of CO₂ increased from 1.42 ppm/yr to 1.86 ppm/yr and to 2.06 ppm/yr in the concerning decades 1985–1995, 1995–2005, and 2005–2015.
• It is shown by the National Oceanic and Atmospheric Administration (NOAA) Annual Greenhouse Gas Index,  the radiative forcing by long-lived greenhouse gases (LLGHGs) increased by 43%, with CO2 accounting for about 80% of this increase from 1990 to 2018.
• Atmospheric methane reached a new high of about 1869 parts per billion (ppb) in 2018 and is now 259% of the pre-industrial level.
• The concentration of Nitrous oxide 331.1 parts per billion in 2018 which is 123% of pre-industrial levels.

So it is clear that the concentration of GHG is gradually increasing as an effect of industrialization and developmental processes. Therefore, the greenhouse effect is increasing due to changes in the concentration of green-house gases.

Concept:

Physical Pollution of Water:

• It is essential to regularly assess the physical properties of water quality in order to determine if the water is polluted or not.
• Physical traits can be identified using:
• Taste and Odor:
  • The taste and odour of clean water are always undetectable.
  • Any taste or smell could be an indication of water pollution.
• Colour:
  • Polluted water may be coloured; pure water is colourless.
• Temperature:
  • In natural water systems like lakes and rivers, temperature is a critical physical factor that impacts water quality.
• Turbidity:
  • The opposite of clear, light-unabsorbent water is turbidity.
  • The presence of turbidity in the water could indicate water pollution.
• Particles:
  • If water is filtered to remove suspended solids, the solid that remains in the water can be used to calculate the number of dissolved solids.
  • Dissolved solids in water that exceed 300 mg/l have a negative impact on both industrial and living objects.

Explanation:

pH Value: 

• Taking measurements of elements like pH and dissolved oxygen is necessary to analyse the chemical properties of water:
• The pH scale, which spans from 0 to 14, is used to determine whether water is acidic or alkaline.
• A logarithmic scale is used for measurement.
• Dissolved oxygen is the amount of free, non-compound oxygen that is present in water or other liquids.
• It is a significant aspect in determining water quality because of its effect on the aquatic life present in a body of water.

Thus, pH value is not involved in the physical pollution of water. 

The correct answer is Hygrometer.

Key Points

• Hygrometer
  • A hygrometer is an instrument for measuring the relative humidity of the atmosphere.
  • The hygrometer was invented by Leonardo da Vinci.

Additional Information

• ​Barometer
  • A barometer is an instrument used to measure atmospheric pressure.
  • The barometer was invented by Torricelli.
• Hydrometer
  • A hydrometer is an instrument used to measure the specific gravity of liquids.
  • The hydrometer was invented by Nicholson.
• ​Anemometer
  • An anemometer is an instrument used to measure the velocity of wind and directions.
  • The anemometer was invented by Leon Alberti.

The correct answer is option 4) i.e. kg^-1 m²

Concept:

• Gravitational constant, G: G is a physical constant and therefore is universal in nature and has a constant value everywhere.
  • The value of G does not change with respect to time or place and is equivalent to 6.674 × 10^-11 N m² kg^-2
  • The SI unit of G is N m² kg^-2
• Acceleration due to gravity, g: It is the acceleration of a body due to the force exerted from the earth's gravity.
  • It has a constant value of 9.8 m/s² within the surface of Earth.
  • The SI unit of g is m s^-2

Explanation:
The unit of G = N m² kg^-2 = (mass × acceleration)m² kg^-2 = (kg × m/s²)m² kg^-2     (∵ N is the SI unit of force)

The unit of g = ms^-2​

Ratio,  kg^-1 m²

The correct answer is organic biofertilizer.

Key Points

• Vermicomposting:
  • It is the scientific method of making compost, by using earthworms.
  • They are commonly found living in soil, feeding on biomass and excreting it in a digested form.
  • Vermicast, similarly known as worm castings, worm humus, or worm manure, is the end-product of the breakdown of organic matter by a species of earthworm. Hence, Option 3 is correct.
  • It is an excellent, nutrient-rich organic fertilizer and soil conditioner.
  • It improved the physical makeup of upper layers of soil, enriches the soil with micro-organisms (adding enzymes that help to use complex matters such as phosphate and cellulose).
  • The microbial activity in worm castings is 10 to 20 times higher than in the soil and organic matter that the worm ingests, it also attracts deep-burrowing earthworms already present in the soil and the mucus present in vermicast improves water holding capacity.
  • It enhances germination, plant growth, and crop yield and improves root growth and structure.
  • It enriches the soil with micro-organisms (adding plant hormones such as auxins and gibberellic acid).

Vermicomposting Process:

The largest bone in the human body is the femur, the thighbone.

It is the largest, longest, and strongest bone in the human body. The femur runs from the keen to the hip. It carries all the upper body weight. The other parts of the leg are tibia, femur, fibula, and keep cap also known as patella.

The femur (thigh bone – the longest bone), tibia and fibula, tarsals (ankle bones – 7 in number), metatarsals (5 in number) and phalanges (digits – 14 in number) are the bones of the legs (hind limb). A cup-shaped bone called patella cover the knee ventrally (kneecap).

The correct answer is Carbon dioxide.

Key Points

• The process by which plants convert sunlight into chemical energy which can later be used for their cellular functions is called photosynthesis.
• This chemical energy is stored in the form of sugar.
• Oxygen is the byproduct of the physio-chemical process.
• It occurs when plants convert carbon dioxide and water present in the environment in the presence of Sunlight.
• Leaves contain cellular organelles known as chloroplast which has a green-coloured pigment called chlorophyll.
• Sunlight Is absorbed by this chlorophyll where are carbon dioxide and water enter through the tiny pores of stomata present in the epidermis of leaves.