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🧠 ITCZ is best described as:
A) High-pressure belt, dry
B) Low-pressure belt, trade winds converge, heavy rain
C) Mid-latitude convergence zone
D) Fixed at 5°N
✅ Ans: B — Trade winds converge here, causing heavy convectional rainfall. #UPS
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🧠 JEE Thermo: Monoatomic ideal gas cycle — isothermal(1→2), isochoric(2→3), isobaric(3→1). T₁=300K, T₂=600K. Net work?
A) −RT₁ln2 B) RT₁(ln2−1) C) RT₁(1−ln2) D) RT₁ln2
✅ C — Net work = RT₁ln2 − RT₁, cycle does negative net work. #JEEMain
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4
🧠 Which state launched 'Mukhyamantri Mahila Udyamita Abhiyan' for women entrepreneurship?
A) MP B) Assam C) Odisha D) Rajasthan
✅ Ans: B — Assam launched this women empowerment scheme. #SSCPrep
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4
🧠 UPSC Polity | Which Article lets Parliament legislate on State List during National Emergency—no Rajya Sabha resolution needed?
A) Art 249 B) Art 250 C) Art 252 D) Art 253
✅ B — Art 250 applies during National Emergency automatically. #UP
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🧠 Opportunity Cost in economics means?
A) Total monetary cost
B) Value of next best alternative foregone
C) Cost of extra unit
D) Fixed cost
✅ B — It's the value of the best alternative you give up. #CUET
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6
🧠 The SI unit of electric charge is?
A) Ampere B) Coulomb
C) Volt D) Farad
✅ B — Coulomb measures charge; named after physicist Coulomb.
#SSCPrep
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6
🧠 In economics, Opportunity Cost means?
A) Total money spent
B) Value of next best alternative foregone
C) Cost of raw materials
D) Profit after expenses
✅ Ans: B — It's the value of the best alternative sacrificed when choosing. #Economics
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🧠 In angiosperms (2n=24), what is the ploidy of endosperm?
A) 24 B) 12 C) 36 D) 48
✅ C — Two polar nuclei one male gamete = 3n (36). #NEET
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33
🧠 Tumor cells retain partial tissue resemblance, prominent nucleoli, lost architecture. Broder's grade?
A) Grade I
B) Grade II
C) Grade III
D) Grade IV
✅ B — Grade II = moderate differentiation, partial parent tissue resemblance. #NEETPG
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39
🧠 If α, β are roots of x²-5x 6=0, find α³ β³?
A) 35 B) 25 C) 45 D) 30
✅ A — Use (α β)³−3αβ(α β) = 125−90 = 35
#CDSMaths
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Jun 15
🧠 Biological Diversity Act 2002 — which statements are correct?
A) 1 & 2 only
B) 2 & 3 only
C) 1 & 3 only
D) All three
✅ Ans: A — NBA is in Chennai; BMCs are at local body, not district level. #UPSC
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Jun 15
🧠 In △ABC, angle bisector from A meets BC at D. AB=6, AC=9, BC=10 cm. Find BD?
A) 4 cm B) 5 cm C) 6 cm D) 3 cm
✅ A) BD/DC = AB/AC = 2/3, so BD = 4 cm
#SSCGeometry
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Jun 15
🧠 'उसने कहा था' कहानी के लेखक कौन हैं?
A) प्रेमचंद B) गुलेरी C) जयशंकर प्रसाद D) द्विवेदी
✅ Ans: B — गुलेरी जी ने यह हिंदी की पहली आधुनिक कहानी लिखी। #CBSE10Hindi
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Jun 15
🧠 Demographic Dividend means:
A) More working-age people than dependents
B) Population grows faster than GDP
C) Birth rate equals death rate
D) Govt incentive for small families
✅ Ans: A — Working-age population exceeds dependents, boosting
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2
Jun 15
🧠 NHRC's power to inquire into human rights violations comes from?
A) PHR Act 1993 - Sec 12
B) Article 32
C) Article 226
D) POA Act 1989
✅ A — Section 12 of PHR Act 1993 defines NHRC's inquiry powers. #CUETPG
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Jun 15
🧠 Z = 3x 5y, subject to x y≤4, x 2y≤6, x,y≥0. Max value of Z?
A)12 B)15 C)16 D)18
✅ Ans: C — Corner point (2,2) gives maximum Z=16. #CBSEMaths
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Jun 15
🧠 SSC CHSL | Antonym of 'LOQUACIOUS'?
A) Garrulous B) Taciturn
C) Verbose D) Voluble
✅ B — Taciturn means silent; opposite of talkative.
#SSCprep
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Jun 14
🧠 Hollow cylinder: outer r=7cm, inner r=5cm, h=21cm. Volume of material?
A) 7920π B) 6480π C) 504π D) 8820π cm³
✅ C: π(49−25)×21=504π cm³ #CUETMaths
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Jun 14
🧠 NDA Physics | Battery EMF=12V, internal r=2Ω, external R=4Ω. Terminal voltage?
A) 8V B) 6V C) 10V D) 12V
✅ A — V = EMF − Ir = 12−4 = 8V
#NDA
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Jun 14
🧠 CE NPN transistor: β=100, R_C=2kΩ, R_in=1kΩ. Voltage gain?
A) 100 B) 200 C) 50 D) 400
✅ B) A_V = β×(R_C/R_in) = 200 #JEEMain
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