MCQ Protective Tissue in Animals Chapter 6 Class 9 Science Advertisement MCQ’s For All Chapters – Science Class 9th 1. The outermost protective covering of a plant body is calledXylemPhloemEpidermisCorkQuestion 1 of 152. The main function of the epidermis is toConduct waterProvide protectionStore foodHelp in photosynthesisQuestion 2 of 153. The epidermis is usually made up ofDead cellsOne layer of living cellsMultiple layers of dead cellsLignified cellsQuestion 3 of 154. In plants living in dry habitats, the epidermis isThinnerThickerAbsentSpongyQuestion 4 of 155. The outer surface of aerial plant parts is covered byCutinSuberinLigninPectinQuestion 5 of 156. The protective outer coating of leaves and stems is calledCorkCuticlePhloemCollenchymaQuestion 6 of 157. The small pores present in the epidermis of leaves are calledTrichomesStomataLenticelsPitsQuestion 7 of 158. The opening and closing of stomata are controlled byEpidermal cellsGuard cellsPhloem cellsCork cellsQuestion 8 of 159. The function of stomata isPhotosynthesisTranspiration and gaseous exchangeFood storageAbsorption of mineralsQuestion 9 of 1510. The epidermal cells of roots help inTransport of foodWater absorptionPhotosynthesisStrengtheningQuestion 10 of 1511. Epidermal cells of roots haveLenticelsRoot hairsCutin coatingSuberin layersQuestion 11 of 1512. The thick, waxy coating on desert plant epidermis is composed ofCutinSuberinLigninPectinQuestion 12 of 1513. As plants grow older, epidermis is replaced byXylemCorkPhloemCollenchymaQuestion 13 of 1514. The cells of cork areLiving and thin-walledDead and compactly arrangedLarge with vacuolesLoosely packed and greenQuestion 14 of 1515. The walls of cork cells containLigninCutinSuberinCelluloseQuestion 15 of 15 Loading...
The current situation is a mix of positive and negative aspects. Some parts are commendable, while others are disappointing. It’s a complex scenario that requires careful analysis and consideration.