Q1. Which type of venation is characteristic of dicot leaves?A. Parallel venationB. Reticulate venationC. Spiral venationD. None of the above
Q2. Which of the following statements about root modifications is correct?A. Napiform roots store food and appear swollenB. Pneumatophores are found in desert plantsC. Taproots are absent in dicotsD. Fibrous roots arise from the radicle
Q3. Which of the following statements about stem modifications is incorrect?A. Rhizomes store food and help in vegetative propagationB. Thorns in citrus plants are modified leavesC. Tubers are underground modified stemsD. Tendrils in pumpkins are modified stems
Q4. Which term is used for seeds that lack endosperm at maturity?A. EndospermicB. ParthenocarpicC. Non-endospermicD. Monocotyledonous
Q5. Which of the following statements about phyllotaxy is incorrect?A. Alternate phyllotaxy is found in sunflowerB. Whorled phyllotaxy is seen in AlstoniaC. Opposite phyllotaxy is observed in guavaD. All plants exhibit opposite phyllotaxy
Q6. Which type of aestivation is found in the corolla of cotton?A. ValvateB. TwistedC. ImbricateD. Vexillary
Q7. Which of the following statements about venation is correct?A. Reticulate venation is found in monocotsB. Parallel venation is found in grassesC. Dicots exhibit parallel venationD. Monocots exhibit reticulate venation
Q8. Which region of the root contains meristematic cells that actively divide?A. Region of elongationB. Region of maturationC. Region of meristematic activityD. Root cap
Q9. Which of the following statements about stem modifications is incorrect?A. Rhizomes store food and help in vegetative propagationB. Tendrils in cucurbits are modified leavesC. Thorns protect plants from herbivoresD. Tubers store starch and nutrients
Q10. Which of the following statements about seeds is correct?A. The radicle develops into the rootB. The plumule gives rise to the rootC. Dicot seeds always contain endospermD. Monocot seeds have two cotyledons