SSLC (English Medium) Class 6 - Tamil Nadu Board of Secondary Education Question Bank Solutions

______ are economically useful for us in silk production.

______ are used to fix nitrogen in the soil for agriculture.

Indian scientists have made a ______ formulation from the Palak to cure Osteoarthritis.

Plants and algae living in coral reefs are the food for variety of fishes.

Fix nitrogen in the soil: Pseudomonas:: Produce bio-fuel: ______.

How pollination takes place by insects?

Define – Osteoarthritis.

Biofuels are less ______ in nature.

What are the storage methods of magnets?

Define balanced diet.

What type of circuit is there in a torch light?

Boiling of egg results in ______ change.

The endocrine glands produce chemical substances called ____

Blood is produced in the bone marrow.

All the waste products of the body are excreted through the circulatory system.

Thin tube-like structures which are the component of circulatory system are called blood vessels.

Analogy

Arteries : Carry blood from the heart:: _________ :carry blood to the heart.

Analogy

Lungs: Respiratory system:: _______: Circulatory system.

Label the diagram given below to show the four main parts of the urinary system and answer the following questions.

1. Which organ removes extra salts and water from the blood?
2. Where is the urine stored?
3. What is the tube through which urine is excreted out of the body?
4. What are the tubes that transfer urine from the kidneys to the urinary bladder called?

You are provided with an iron needle. How will you magnetize it?