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Previous Post Next Post Latest Updates. (a) plastic toys (a) acrylic (a) polythene and cotton A _____ is an excised piece of leaf or stem tissue used in micropropagation. Pairing of homologous chromosomes. (d) nylon. The study of how naturally occurring compounds are biosynthesized in cells C. The design and synthesis of enzymes capable of carrying out a specific reaction in organic synthesis D. It involves the design of new … (d) nylon. ... 9 Biomolecules MCQs. Download CBSE Class 11 Biology Plant Growth and Development MCQs in pdf, Biology chapter wise Multiple Choice Questions free, Question: Which one is a long day plant?a) Spinachb) Mirabilis jalapac) Tobaccod) Glycine maxAnswer: Spinach ... IAA and IBA are natural but NAA, 2, 4-D and 2, 4, 5-T are synthetic auxins. In a community, a number of cells are regulated by… a) no of divisions. Food items are stored in plastic containers because they are non-corrosive. Question 6. 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Class 8 Science Chapter 3 MCQ (Multiple Choice Questions) of Synthetic Fibres and Plastic. Question  14. (b) polyester and cotton List of Model Organisms in Genetics and Molecular Biology PDF by Easybiologyc... Definitions and mcqs on branches of Biology by Sajid Ali Talpur. Question 8. Nylon fibre is used for making nylon parachutes and ropes for rock climbing. Fibre to fabric is the process of converting the extracted fibres, either from plants, or animals, or synthetic into different forms of clothes for human use. Food hems are stored ¡n plastic containers because they are: Core to the discipline is genetic engineering, which is made more akin to engineering by adding the levels of standardization, automation, and abstraction. MCQ 13 – Molecular Biology Questions from CSIR Papers 4 (Advanced) @. Silk fibre is obtained from cocoons of the silk moth. 17.6%. (c) nylon Cotton clothes are more comfortable during hot/humid weather. (iv) simple chemical molecules made of single unit. 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