Share Facebook Email Telegram WhatsApp Results #1. Plant hormones are _________. Growth regulators Growth regulators Growth promoters Growth promoters Growth inhibitors Growth inhibitors None of above None of above #2. The most common auxin is _________. GA GA ABA ABA Kinetin Kinetin IAA IAA #3. Gibberellin promotes cell division and elongation in ________. Leaves Leaves Roots Roots Shoots Shoots All of these All of these #4. Which of the following is used for ripening of fruits ______. Aukin Aukin ABA ABA Ethylene gas Ethylene gas Cytokinin Cytokinin #5. Induction of flowering in plants by low temperature treatment is called ________. Vernalization Vernalization Photoperiodism Photoperiodism Cryobiology Cryobiology Chilozology Chilozology #6. Plant growth is ________. Limited Limited Unlimited Unlimited Diffused Diffused Both (1) & (2) Both (1) & (2) #7. Hormone produced during leaf fall is ______. IAA IAA ABA ABA Florigen Florigen Kinetin Kinetin #8. Phytochrome is present in ___________. Vascular cryptogams Vascular cryptogams Prokaryotes Prokaryotes Brain cell Brain cell Kidney cell Kidney cell #9. Certain chemical substances having profound effect on plant growth are called ______. Catalyic agents Catalyic agents Phytohormones Phytohormones Enzymes Enzymes Compost Compost #10. A pigment concerned with floral induction is ______. Florigen Florigen Chlorophyll Chlorophyll Plastocyanin Plastocyanin Phytochrome Phytochrome Finish