MCQs General Agriculture [5] Posted on April 7, 2023Author admin 0 Please enter your email: 1. Sunlight is a rich source of ____________ Vitamin D Vitamin K Vitamin C Vitamin A 2. ________________ is involved in the regulation of fruit ripening and senescence Karrikins Ethylene Cytokinins Phosphatidic acid 3. ____________ three macronutrients required for healthy plant growth Nitrogen, potassium, Iodine Nitrogen, potassium, boron Nitrogen, potassium, phosphorus Nitrogen, zink, phosphorus 4. ________________ is involved in the regulation of plant tropisms Karrikins Ethylene Cytokinins Auxin 5. ________________ is a plant root growth stage of extremely slow growth Quiescent phase Abcision Pneumatophore Chlorosis 6. Plants can absorb nitrogen in the ionic form of ______________ NH4 None NO3 and NH4 NO3 7. ________________ is a pseudo cereal Durum Wheat Buckwheat Emmer Wheat Einkorn wheat 8. ________________are simple organic chemicals produced by wildfires that stimulate germination of dormant seeds in the soil Cytokinins Ethylene Karrikins Auxin 9. ______________ plant open its mouth when the insect sits on its lid Brassica plant Pitcher plant Brinjal plant None 10. ________________ is a phospholipid serve as a rapid and transient signaling molecule upon stress responses Phosphatidic acid Ethylene Cytokinins Karrikins 11. ______________ are oxygen-containing chemical species, they play crucial roles in cellular signaling Reactive Oxygen Species Cytokinins Ethylene Auxin 12. What is the function of guard cells in plant leaves? Chlorophyll production Regulation of stomatal opening and closing To conduct photosynthesis Water and nutrients transportation 13. _________________ is a stress-induced phytohormone To conduct photosynthesis Chlorophyll production Abscisic acid Water and nutrients transportation 14. ______________ are intracellular immune receptors in plants, animals, and fungi ABA Cytokinins NLRs ROS 15. The plants growing out of their proper place is called _______ Unnecessary plants Relative plants None Weed 16. _____________ are specialized plant cells that produce and store milk-like and viscous plant exudates Root hair cells Laticifers Guard cells Trichomes 17. Crescograph is used to measure the growth in ________________ Prokaryotes Microorganisms Pollution Plants 18. _______________ is a small area where large number of endangered and threatened species are found among endemic species Nature reserve Reserved zone Species corridor Biodiversity hot spot 19. Crop rotations are designed to maintain__________ Soil health Crop protection Soil erosion Water conservation 20. Which of the following water sample will freeze at last? Canal water River water Sea water Lake water Loading … Question 1 of 20
