Nutrition in Plants

Question 3:Mr. Ali uses a technique shown in Photograph 1 for his herb plants. He uses wicks immersed in a nutrient solution to fulfil the needs of his plants.(a) What is the technique used by Mr. Ali?(b) State four basic needs of plants to ensure Mr. Ali’s plants grow well and healthily.(c) Justify the usage … Read more

Question 1:A farmer uses NPK fertiliser for his chili crops. NPK fertiliser contains nitrogen, phosphorus and potassium elements which are important nutrients for crop growth and also contains micronutrients needed by plants.(a) In your opinion, what are the micronutrients contained in the fertiliser?(b) Explain the functions of nitrogen, phosphorus and potassium elements towards chili plants.(c) … Read more

Question 1:State the nutritional habits of the following plants:(a) Cuscuta sp. (dodders)(b) Hypnum sp. (moss)(c) Bulbophyllum sp. (orchid)(d) Uticularia sp. (golden floating bladderwort) Answer:(a) Parasite(b) Epiphyte(c) Epiphyte(d) Carnivore Question 2:Differentiate between the nutritional adaptations of parasitic plants and epiphytic plants. Answer:Parasitic plants grow on another plant (host). The roots of parasitic plants will penetrate the … Read more

Question 1:What tissues form the root? Answer:Epidermal tissue, cortex tissue, vascular tissue and endodermis tissue. Question 2:Explain the adaptations of root epidermal cells to carry out their functions in the absorption of water and mineral salts. Answer:Adaptations of the epidermal tissue of the root:• Epidermal cells are closely arranged• Thin cell walls and water-permeable cell … Read more

Question 1:How are macronutrients different from micronutrients? Answer:Macronutrients are required by plants in large quantities while micronutrients are required in small quantities. Question 2:State three nutrients which can cause chlorosis if there is a lack of any of these nutrients. Answer:Nitrogen, chlorine and zinc. Question 3:Corn plants are very sensitive to nutrient deficiency. How does … Read more