MPSC Rajyaseva 2018 GS Paper 1 — Question 45
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सर जे.सी. बोस, भारतीय वैज्ञानिक, यांच्याानुसार कॉर्टिकल थरांच्या आतील जीवंत पेशीमुळे असेंट ऑफ सॅप ________ ह्या क्रियेमुळे घडते ? According to Sir J.C. Bose, an Indian scientist, ascent of sap takes place due to the ________ of living cells of the innermost cortical layer.
1)पलसेटरी क्रिया / pulsatory activity✓ Correct
2)ट्रांसपिरेशन पूल सिद्धांत / transpiration pull theory
3)कोहीजन सिद्धांत / cohesion theory
4)मूळ दाब सिद्धांत / root pressure theory
Sir J.C. Bose proposed the Pulsation theory, stating that ascent of sap is due to periodic pumping activity of living cells of the innermost cortical layer.