Archives: Questions and Answers

The location of the pericyle is best described as: – the outermost layer of the vascular cylinder. – just beneath the epidermis. – adjacent to the apical meristem. – lining the cells of the endodermis. – between layers of primary xylem and primary phloem.

Root hairs develop from the: – Casparian strip. – pericycle. – cortex. – endodermis. – epidermis.

Most of a carrot, a root adapted for carbohydrate storage, is: – endodermis. – phloem. – xylem. – pericycle. – cortex.

In leaves, chloroplasts are found in _____. – xylem – palisade mesophyll – phloem – cuticle

Which of the following makes up most of an old tree trunk? – secondary xylem – primary phloem – meristem tissue – primary xylem – secondary phloem

Which of these tissues is between the epidermis and the vascular bundle in a young dicot stem? – phloem – pith – cortex – ground tissue – xylem

In a dicot stem, the ________ is between the vascular cambium and the cork cambium. – vascular cambium – phloem – vascular cylinder – cork – xylem

How is the supply of vascular cambium maintained? – by the differentiation of apical meristem – by the differentiation of secondary xylem – by the division of its cells – by the differentiation of cork – by the differentiation of secondary phloem

What is the function of cork? – regulating the opening and closing of stomata – providing a site for photosynthesis – providing cells for primary growth – providing cells for secondary growth – insulation and waterproofing

Vascular cambium forms wood toward the stem’s _____ and secondary phloem toward the stem’s _____. – surface … center – center … center – surface … surface – top … bottom – center … surface