Question

1 Differentiate between Striated, Unstriated and Cardiac muscles with the help of diagram.
2 Name the different simple permanent tissues in plants and differentiate them
3.Distinguish between the following in one or two sentences for each.
i. Striated and Unstriated muscles
ii. Tendon and ligament
iii. Axon and dendrites
iv. Sclerenchyma and parenchyma
v. Squamous and columnar epithelium
4.What is cell division? Explain two types of cell division.

Answer 1

Answer:

1st ans: The cells of strtiated muscles are long, cylindrical unbranched and multinucleate. (a) The cell of unstriated muscles are long and pointed at the ends and uninucleate. (a) The cells of cardiac muscles are striated and branched. (b) Straited muscles are present in our limbs and join the bones.

2nd and:Simple permanent tissues are again classified into three main types. They are parenchyma, collenchyma, and sclerenchyma. Parenchyma – The cells of this tissue are living, with thin cell walls. ... The parenchyma tissue is located in the soft parts of the plant such as cortex and pith.