15 PLANT GROWTH AND DEVELOPMENT QUESTIONS

15 PLANT GROWTH AND DEVELOPMENT QUESTIONS PLANT GROWTH AND DEVELOPMENT QUESTIONS CHAPTER NOTES Development is A) Growth B) Differentiation C) Growth + differentiation D) Growth – differentiation Growth of living being is/are- A) Irreversible B) Increase in size C) Increase in weight D) All of these Swelling of piece of wood when placed in water […]

15 PLANT GROWTH AND DEVELOPMENT

15 PLANT GROWTH AND DEVELOPMENT PLANT GROWTH AND DEVELOPMENT PRACTICE QUESTIONS Plant Growth and Development Root, stem, leaves, flowers, fruits and seeds arise in orderly manner in plants. The sequence of growth is as follows: Life cycle of plant: Plants complete their vegetative phase to move into reproductive phase in which flower and fruits are […]

14 RESPIRATION IN PLANTS

14 RESPIRATION IN PLANTS RESPIRATION IN PLANTS Respiration Respiration is an energy releasing, enzymatically controlled catabolic process which involves a step-wise oxidative breakdown of food substance inside living cells. Aerobic Respiration: Aerobic Respiration is an enzymatically controlled release of energy in a stepwise catabolic process of complete oxidation of organic food into carbon dioxide and […]

13 PHOTOSYNTHESIS IN HIGHER PLANTS

13 PHOTOSYNTHESIS IN HIGHER PLANTS PHOTOSYNTHESIS IN HIGHER PLANTS PRACTICE QUESTIONS Photosynthesis Photosynthesis is an enzyme regulated anabolic process of manufacture of organic compounds inside the chlorophyll containing cells from carbon dioxide and water with the help of sunlight as a source of energy. Historical Perspective Josheph Priestley (1770): Showed that plants have the ability […]

12 MINERAL NUTRITION PRACTICE QUESTIONS

12 MINERAL NUTRITION PRACTICE QUESTIONS CHAPTER NOTES Hydroponics has been successfully employed as a technique for commercial production of (A) Vegetables such as tomato (B) Seedless cucumber (C) lettuce (D) all of these 12. MINERAL NUTRITION PRACTICE QUESTIONS Hydroponics was first time demonstrated by (A) Julius von Sachs, a prominent German botanist in 1860. (B) […]

12 MINERAL NUTRITION

12 MINERAL NUTRITION MINERAL NUTRITION practice questions Mineral Nutrition Carbohydrates, proteins, lipids, water, and minerals are required for all living creatures to survive. Plants, too, require nutrients for growth and development. Essential Mineral Elements Mineral needs vary depending on the plant. There is a criterion for determining whether or not an ingredient is necessary. It […]

11.TRANSPORT IN PLANTS QUESTIONS

11.TRANSPORT IN PLANTS QUESTIONS Melvin Calvin earned Nobel prize in 1961 for (A) mapping pathway of carbon assimilation in respiration (B) mapping pathway of carbon absorption in photosynthesis (C) mapping pathway of carbon assimilation in photosynthesis (D) mapping pathway of carbon absorption in respiration. Cytoplasmic streaming helps to move substances over (A) long distances (B) […]

11 TRANSPORT IN PLANTS

11 TRANSPORT IN PLANTS Translocation 11 TRANSPORT IN PLANTS Long distance transport occurs through vascular system, xylem and phloem called translocation through mass flow. The direction of translocation may be unidirectional as in case of water and multidirectional as in minerals and organic solutes. Means of transport (Short distance transport) The transport of material into […]

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