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Plant hormone responsible for growth is. 1. Carbon dioxide and water b. Chlorophyll c. Sunlight d. All of the above 2. (a) Insulin (b) Thyroxin (c) Estrogen (d) Cytokinin 2. Multiple Choice Questions 1. MCQ Questions for Class 10 Science with Answers are prepared as per the Latest Exam Pattern. NCERT MCQ Questions For Class 5 SCIENCE CHAPTER 2. A. Auxin. 25. Which of the following is a plant hormone? are promoted by this hormone. B. Gibberellin. Very Good MCQ Questions Class 5 SCIENCE Subject Chapter 8 PDF. Quiz of Chapter 7 Control and Coordination Online Test Class 10th Science Questions: 1. Students can solve NCERT Class 10 Science Our Environment Multiple Choice Questions with Answers to know their preparation level. Class 10 Nutrition in Human MCQ. Download CBSE Class 10 Biology Heredity and Evolution MCQs in pdf, Biology chapter wise Multiple Choice Questions free, Heredity and Evolution 1. These MCQ Online Tests covers the entire chapter 7 of grade 10 science. 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