Q.56
RPSC Agriculture Research Officer (Agriculture Chemistry) - 2022
MCQ (Single Correct) +1 −0.33
The radio isotopes are traced in the plant body with the help of -
पौधे के शरीर में रेडियो समस्थानिकों (रेडियो आइसोटोप्स) का पता लगाया जाता है -
Q.57
RPSC Agriculture Research Officer (Agriculture Chemistry) - 2022
MCQ (Single Correct) +1 −0.33
Langbeinite is a unique source of plant nutrients, it contains three essential nutrients, namely -
लैंगबेनाइट, पादप पोषक तत्वों का अनूठा स्रोत है, इसमें तीन आवश्यक पोषक तत्व होते हैं, जो कि हैं -
Q.58
RPSC Agriculture Research Officer (Agriculture Chemistry) - 2022
MCQ (Single Correct) +1 −0.33
Carbon dioxide content of soil air will be highest in -
मृदा वायु में कार्बन डाईऑक्साइड की मात्रा अधिक होती है -
Q.59
RPSC Agriculture Research Officer (Agriculture Chemistry) - 2022
MCQ (Single Correct) +1 −0.33
By the neutron moisture meter, surface soil moisture (upto 30cm depth) measurement could not be possible, because -
न्यूट्रॉन नमी मीटर से सतही मृदा नमी (30 सेमी गहराई तक) को जाँचना संभव नहीं है, क्योंकि -
Q.60
RPSC Agriculture Research Officer (Agriculture Chemistry) - 2022
MCQ (Single Correct) +1 −0.33
For most tenaciously bound by soil colloids, the sequence of cations are as -
मृदा कोलॉइड्स पर धनायनों का जुड़ाव बहुत मजबूती से निम्नलिखित अनुक्रम में होता है —

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