Ground tissue includes
Correct answer: B. All tissues except epidermis and vascular bundles
- A. All tissues external to endodermis
- B. All tissues except epidermis and vascular bundles
- C. Epidermis and cortex
- D. All tissues internal to endodermis.
Explanation
(b) : Ground tissue can be defined as all the tissues except epidermis and vascular bundles. Ground tissue constitutes the interior of organs except the vascular system. It consists of simple tissues such as parenchyma, collenchyma, and sclerenchyma. Parenchymatous cells are usually present in the cortex, pericycle, pith, and medullary rays, in the primary stems and roots. The ground tissue system of the leaves is called mesophyll.
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Support and movement covers the axial and appendicular skeleton, bone structure, joints and the arrangement of skeletal muscles. Muscle contraction is explained through actin, myosin, sliding filaments, calcium ions and ATP, while arthritis is distinguished as a disorder of joints rather than a normal part of movement.
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