Author: Study Clue

When a seed shows normal imbibition but radicle emergence fails unless GA is supplied, the dormancy type is most consistent

Water uptake stops briefly in Phase II mainly because the seed is A Fully dehydrated B Producing flowers C Metabolically

During imbibition, why can some dry seeds crack their coats even before radicle emergence under normal conditions A ABA rises

In a typical three-phase water uptake curve, which phase shows renewed water uptake linked with embryo growth and radicle protrusion

During early seed germination, what is the first major physical process that starts water uptake by dry seeds A Protein

a In the Münch pressure-flow model, the initial event that directly starts mass flow in phloem is A Water exits

Which structure forms the actual conducting tube of phloem in angiosperms A Sieve tube B Tracheids C Xylem fiber D

In pressure-flow theory, the strongest drop in phloem turgor pressure typically occurs at the A Source end B Cambium zone

In pressure-flow translocation, the main driving force for phloem sap movement is created by A Gravity pull only B Capillary

In a mature angiosperm leaf, which tissue mainly carries sugars made during photosynthesis to other organs A Xylem vessels B