SSLC (English Medium) Class 9 - Tamil Nadu Board of Secondary Education Question Bank Solutions

Why is blood considered to be a fluid connective tissue?

Give one reason for the following:

1. Blood is fluid connective tissue.
2. Skeletal muscles are voluntary muscles.
3. Heart muscles are involuntary in nature.

Write a note on blood and its components.

Identify the figure given below

1. Label the parts A, B, and C
2. What is the chemical composition of the tissue?

Identify figures A and B.

1. ______ epithelium forms the outer lining of the buccal cavity.
2. ______ epithelium consists of ceils that are tall and pillar-like.
3. Which one allows the diffusion of substances?
4. Which is called pavement epithelium?
5. Which epithelium lines the gastrointestinal tract and epiglottis

Umbilical cord blood is collected at the time of child birth and stored in stem cell banks? Reason out.

How does WBC help in defense?

Match the following.

The causative agent (bacteria) of whooping cough is ______.

Vermicompost is similar to ______ in colour and appearance.

The fastest-growing sector in Agriculture is a ______.

Which one of the following is referred to as red worms? 

Earthworms eat ______ and excrete it in a digested form.

The nutrient-rich materials that are excreted by earthworms know as ______.

Earthworm feeds on inorganic wastes and excretes them in a digested form known as castings.

Define the following.

Compost

List the important methods of vermicomposting.

Write the rules that are followed in writing the symbols of units in SI system.

Which one of the following is most likely not a case of uniform circular motion?

Which of the following graph represents uniform motion of a moving particle?