Tissue

 1. What is a tissue?

Solution:

A tissue is defined as a cluster of cells, which are similar in structure and work together to perform a particular function.

2. Name the types of simple tissues.

Solution:

The types of simple tissues are as follows:

➢ Parenchyma

➢ Collenchyma

➢ Sclerenchyma

3. What are the constituents of phloem?

Solution:

The phloem constitutes of the following four elements, they are:

➢ Sieve tube

➢ Companion cells

➢ Phloem parenchyma

➢ Phloem fibres

4.  Name the tissue responsible for movement of our body.

Solution:

Two tissues jointly are responsible for the movement of our body, namely:

➢ Muscular tissue

➢ Nervous tissue

5. What does a neuron look like?

Solution:

A neuron is a nerve cell consisting of the cell body with a nucleus and cytoplasm from which a long and thin hair-like structure emerges. Every neuron has one elongated part known as the axon, and several short and small branched structures known as dendrites. A single neuron can even be a meter long.

6. How are simple tissues different from complex tissues in plants?

Solution:

The following are the differences:

Simple tissues	Complex tissues
They are made up of a single type of cell that performs only one common function	They are made up of more than one kind of a cell that coordinate to perform one particular function