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Answers
A) Thallophytes, Bryophytes and Pteridophytes are classified as Cryptogams as they produce new offspring without and reproductive organ i.e. seeds or flowers. While Gymnosperms and angiosperms are classified as Phanerogams because they use flowers and seeds to reproduce.
B) The three types of the muscles are Smooth Muscle, Cardiac Muscle and Skeletal Muscle.
Smooth Muscle: Spindle Shaped, Non striated, Involuntary, Present in the organs of the body.
Skeletal Muscle: Long Cylindrical in shape, Striated, Voluntary, Non branched, Multi nucleated, attached to bones.
Cardiac Muscles: Long Cylindrical in shape, Striated, Involuntary, branched, Single nucleated, Present in heart.
C) Bones: Tough, Solid Matrix, makes the skeleton of the body.
Cartilage: Soft, Softer Matrix, provides support and flexibility to the joints.
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