Q1. Which of the following is NOT a part of the epidermal tissue system?A. StomataB. TrichomesC. XylemD. Epidermal cells
Q2. Which of the following statements about xylem parenchyma is correct?A. Xylem parenchyma is dead at maturity.B. Xylem parenchyma stores food and helps in lateral conduction of water.C. Xylem parenchyma is responsible for the conduction of water.D. Xylem parenchyma is composed of lignified dead cells.
Q3. Which characteristic feature is present in dicot leaves but absent in monocot leaves?A. Parallel venationB. Palisade and spongy mesophyllC. Bulliform cellsD. Scattered vascular bundles
Q4. Which tissue system in plants is responsible for the transportation of water and nutrients?A. Epidermal tissue systemB. Ground tissue systemC. Vascular tissue systemD. Parenchyma tissue system
Q5. Which cells in the root actively regulate the movement of water and minerals into the vascular tissue?A. Root hairsB. Pericycle cellsC. Endodermal cellsD. Cortical cells
Q6. Which type of simple permanent tissue provides mechanical support in mature plants?A. ParenchymaB. CollenchymaC. SclerenchymaD. Xylem
Q7. Which of the following statements about phloem fibers is incorrect?A. Phloem fibers provide mechanical support.B. Phloem fibers are always living cells.C. Phloem fibers are the only dead component of phloem.D. Phloem fibers are also called bast fibers.
Q8. Which of the following statements about monocot leaves is correct?A. Monocot leaves have reticulate venation.B. Monocot leaves lack stomata.C. Bulliform cells help in minimizing water loss.D. Monocot leaves have mesophyll differentiated into palisade and spongy parenchyma.
Q9. Which of the following statements about phloem is correct?A. Phloem transports organic nutrients from leaves to other parts of the plant.B. Sieve tube elements have nuclei and are independent cells.C. Phloem consists only of parenchyma and sclerenchyma.D. Phloem fibers are the main conducting elements.
Q10. Which of the following statements about phloem loading is incorrect?A. Phloem loading refers to the movement of sucrose into sieve tube elements.B. Phloem loading occurs actively through companion cells.C. Phloem loading is dependent on ATP.D. Phloem loading occurs primarily through xylem vessels.