Q2. Which of the following statements about nutrient transport within the ovule is correct?A. The chalaza is the region in the ovule that facilitates nutrient transfer from the placenta to the developing ovule.B. Nutrient transport in the ovule occurs solely through the funiculus.C. Nutrient transport is not necessary for ovule development.D. The integuments are responsible for nutrient transport to the embryo.
Q3. In hydrophilous pollination, pollen is primarily transferred by:A. WindB. InsectsC. Water currentsD. Birds
Q4. Which structure in the ovule develops into the seed coat after fertilization?A. IntegumentsB. NucellusC. FuniculusD. Chalaza
Q5. Which of the following statements regarding seed coat formation is correct?A. The seed coat is derived from the integuments of the ovule.B. The seed coat originates from the nucellus.C. The seed coat is formed by the fusion of the funiculus and chalaza.D. The seed coat is a product of the embryo sac cells.
Q6. Which statement regarding pollen tube growth is correct?A. Pollen tube growth is guided by a gradient of calcium ions and chemical attractants secreted by synergid cells.B. Pollen tube growth occurs randomly within the style.C. Pollen tube growth is independent of the pollen grain’s hydration.D. Pollen tube growth is inhibited by the presence of chemical attractants.
Q7. Which of the following statements regarding fruit set is correct?A. Effective pollination leads to a higher fruit set, while inadequate pollination can result in fruit abortion.B. Fruit set is solely determined by the size of the flower.C. Fruit set is independent of pollination efficiency.D. Fruit set occurs even in the absence of fertilization.
Q8. Which process leads to the formation of the embryo sac in flowering plants?A. MicrosporogenesisB. Megasporogenesis followed by megagametogenesisC. MicrogametogenesisD. Apomixis
Q9. The process by which a microspore develops into a mature pollen grain is termed:A. MegagametogenesisB. MicrogametogenesisC. Pollen tube elongationD. Sporogenesis
Q10. Which of the following statements about floral induction is correct?A. Florigen is the hypothesized hormone that triggers flowering in response to photoperiod.B. Flowering in plants is independent of day length.C. Florigen is produced in the roots and transported upward.D. Photoperiodism has no effect on the timing of flowering.