फ़िल्टर: 2023 पेपर (2 प्रश्न)
सभी पेपर्स देखें
Q.1
ICAR AIEEA PG Physical Science 09 July 2023 (Shift 1) Paper (Q.78)
MCQ (Single Correct) +4 −1
English हिन्दी

Phosphorus is immobile in soil because:

(A) Phosphate ions are held by anion exchange
(B) Phosphate ions are held by ligand exchange
(C) Phosphate ions are adsorbed as sparingly soluble phosphates of $\text{Fe/Al/Ca}$
(D) Phosphate ions are leached as completely soluble phosphates of $\text{Fe/Al/Ca}$

Choose the correct answer from the options given below:
1. (A), (B) and (C) only
2. (B), (C) and (D) only
3. (A), (B), (C) and (D)
4. (A), (C) and (D) only

फॉस्फोरस मृदा में गतिहीन (immobile) होता है क्योंकि:

(A) फॉस्फेट आयन ऋणायन विनिमय (anion exchange) द्वारा धारित होते हैं
(B) फॉस्फेट आयन लिगैंड विनिमय (ligand exchange) द्वारा धारित होते हैं
(C) फॉस्फेट आयन $\text{Fe/Al/Ca}$ के अल्प विलेय फॉस्फेट के रूप में अधिशोषित होते हैं
(D) फॉस्फेट आयन $\text{Fe/Al/Ca}$ के पूरी तरह विलेय फॉस्फेट के रूप में निक्षालित होते हैं

नीचे दिए गए विकल्पों में से सही उत्तर का चयन कीजिए:
1. केवल (A), (B) और (C)
2. केवल (B), (C) और (D)
3. (A), (B), (C) और (D)
4. केवल (A), (C) और (D)

Q.2
ICAR AIEEA PG Physical Science 14 July 2023 Shift-1 Paper (Q.21)
MCQ (Single Correct) +4 −1
English हिन्दी

During the mineralization of the organic P compound, microorganisms cleave the compound by the production of the enzymes:

(A) . ATP sulfurylase
(B) . Phosphatase
(C) . Phytase
(D) . Nitrogenase

Choose the correct answer from the options given below:

कार्बनिक फॉस्फोरस यौगिक के खनिजीकरण के दौरान, सूक्ष्मजीव किन एंजाइमों के उत्पादन द्वारा यौगिक का विखंडन करते हैं?

(A) . एटीपी सल्फ्यूरिलाइज़
(B) . फॉस्फेटेज
(C) . फाइटेज
(D) . नाइट्रोजनेज

नीचे दिए गए विकल्पों में से सही उत्तर चुनिए:

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