MPSC PYQ

MPSC Rajyaseva 2020 CSAT — Question 32

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खालीलपैकी कोणती विधाने चूक आहेत ? / Which of the following are incorrect statements ?

(a)जिवाणूंच्या नॉनएरोबिक अपघटनाला, एरोबिक अपघटनापेक्षा प्राधान्य दिले जात नाही. / A non-aerobic decomposition is not preferred over an aerobic decomposition by bacteria.

(b)सरंध्र मातीला गाळण क्रियेत प्राधान्य दिले जात नाही. / Porous soil is not preferred for filtration.

(c)मातीत असलेले सेंद्रिय आम्ल मातीची सुपीकता कमी करतात. / Organic acids present in soil decrease the fertility of soil.

(d)खडकळ जमिन, गाळण प्रक्रियेला आणि नॉनएरोबिक अपघटनाला उपयुक्त नाही. / Rocky soils are unsuitable for filtration and non-aerobic decomposition.

1)फक्त (b) आणि (c) / Only (b) and (c)✓ Correct
2)फक्त (c) आणि (d) / Only (c) and (d)
3)(a), (b), (c)
4)(b), (c), (d)

Statements (b) and (c) are incorrect because porous soil is indeed preferred for filtration, and organic acids do not necessarily decrease overall soil fertility inappropriately in all contexts.

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