Practice mode / Biotechnology A device that bombards a callus with DNA coated microscopic metal particles is A Option A: DNA gun B Option B: DNA shooter C Option C: Particle gun D Option D: All of these Correct answer C. Particle gun Show answer Report a problem How we write and check questions
Question 01 / Biotechnology Cell suspension cultures of A Option A: Cinchona produces quinine B Option B: Digitalis lanata produce digitoxin C Option C: Both a and b D Option D: None of these Correct answer C. Both a and b Show answer Open question
Question 02 / Biotechnology Coconut milk contains the plant hormone A Option A: Auxins B Option B: Cytokinins C Option C: Gibberallins D Option D: All of these Correct answer B. Cytokinins Show answer Open question
Question 03 / Biotechnology Plants are totipotent because A Option A: Each cell has full genetic potential of the organism B Option B: A single cell could become a complete plant C Option C: Both a and b D Option D: Because they have lesser potential for tissue culturing Correct answer B. A single cell could become a complete plant Show answer Open question
Question 04 / Biotechnology Tissue culture does not involve A Option A: Growth of tissue in artificial medium B Option B: Asexual reproduction C Option C: Use of meristem D Option D: Use of generative nucleus in pollen culture Correct answer D. Use of generative nucleus in pollen culture Show answer Open question
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