Apparent Drought (Pseudo-drought): Occurs when crop water stress and failure are caused not by an abnormal deficit in regional rainfall, but by human management error—specifically the wrong selection of crops or long-duration varieties ill-suited to the normal regional agro-climatic growing period. (Correct answer: Option 1)
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2
ICAR JRF Forestry 29 Jun 2024Shift 1
MCQ (Single Correct)+4−1
What is the most highly variable gas in our atmosphere ?
Permanent atmospheric gases have nearly constant volume fractions: Nitrogen ($78.08\%$), Oxygen ($20.95\%$), and Argon ($0.93\%$).
Water Vapour ($H_2O$) is the most highly variable gas in the Earth's atmosphere, ranging from less than $0.01\%$ in cold polar and desert air up to over $4.0\%$ by volume in warm, humid equatorial regions. (Correct answer: Option 3)
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3
ICAR JRF Forestry 29 Jun 2024Shift 1
MCQ (Single Correct)+4−1
Which theory is most suited for formation of warm clouds
Warm Clouds (Temperature $\gt 0^\circ\text{C}$ throughout): Completely lack ice crystals; rainfall is generated exclusively via the Collision-Coalescence theory (Bowen & Langmuir), where larger droplets falling faster sweep up and coalesce with smaller droplets.
Cold Clouds: Rain develops via the Bergeron-Findeisen ice crystal process. (Correct answer: Option 1)
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