Q1. Which characteristic feature of dicot roots helps in selective absorption of water?A. PithB. Endodermis with Casparian stripsC. Xylem vesselsD. Root hairs
Q2. Which type of vascular bundle is commonly found in roots?A. ConjointB. RadialC. ClosedD. Bicollateral
Q3. Which of the following statements about lateral roots is correct?A. Lateral roots originate from the epidermis.B. Lateral roots originate from the pericycle.C. Lateral roots originate from the pith.D. Lateral roots originate from the phloem.
Q4. Which of the following is NOT a characteristic of dicot stems?A. Presence of hypodermisB. Ring arrangement of vascular bundlesC. Scattered vascular bundlesD. Presence of hypodermis
Q5. Which cells in plants regulate transpiration?A. Epidermal cellsB. Guard cellsC. Xylem vesselsD. Phloem sieve tubes
Q6. Which vascular tissue in plants lacks nuclei?A. Xylem parenchymaB. Sieve tube elementsC. TracheidsD. Companion cells
Q7. Which type of plant tissue is present in the pericycle and contributes to lateral root formation?A. CollenchymaB. ParenchymaC. SclerenchymaD. Phloem
Q8. What is the function of root hairs?A. ProtectionB. Absorption of water and mineralsC. Transport of foodD. Photosynthesis
Q9. Which layer of cells in the root prevents the passive flow of water and minerals into the vascular bundle?A. CortexB. PericycleC. EndodermisD. Pith
Q10. Which of the following statements about the epidermis of plants is true?A. It consists of dead cellsB. It is made up of loosely packed cellsC. It usually contains a cuticle to prevent water lossD. It contains vascular bundles