एक नवजात शिशु अपरिपक्व प्रतिरक्षा प्रणाली होने के बावजूद जन्म के बाद पहले कुछ दिनों के दौरान आंतों के संक्रमण से सुरक्षित रहता है। निम्नलिखित में से कौन सा इस सुरक्षा को सबसे अच्छी तरह से समझाता है?

The following are the stages of life cycle of Plasmodium. Arrange the stages in the proper order. A. The parasites reproduce asexually in RBCs, bursting the cells. B. The parasites reproduce asexually in liver cells, bursting the cells and releasing into blood. C. Gametocytes develop in RBCs. D. Sporozoites reach the liver through the blood. E. Female mosquito injects sporozoites into humans during bite. Choose the correct answer from the options given below:

Match List I with List II: List I (Drug) A. Nicotine B. Morphine C. Heroin D. Cocaine List II (Effect) I. Causes sense of euphoria and increased energy II. Stimulates adrenal gland to release catecholamines into blood circulation III. Effective sedative and painkiller IV. A depressant; slows down body function Choose the correct answer from the options given below: