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

What are villi?

What is a vermiform appendix?

What are the end products of digestion of starch, proteins, and fats respectively?

Rearrange the jumbled sequence of the different parts of the alimentary canal in proper sequence, (esophagus, small intestine, stomach, large intestine, anus, mouth, rectum)

Fever, sore throat, and choking off air passage are symptoms of ______.

Myxovirus is the causative agent for ______ disease.

The symptoms of measles is ______.

The measles vaccine can be administered to the child at the age of ______.

Inflammation of nasal mucosa and pharynx are the symptoms of ______.

List the methods employed in Prawn Culture.

Environmental science provides holistic knowledge about ______.

There are ______ globally identified biodiversity hotspots in India.

IUCN was founded on ______ in Gland, Switzerland.

Define

Environmental Science.

What gives plastic different qualities and characteristics?

Why does a helium balloon float in air?

How does an object’s density determine whether the object will sink or float in water?

State the laws of flotation.

Assertion: To float, body must displace liquid whose weight is equal to the actual weight.

Reason: The body will experience no net downward force in that case.

If you put one ice cube in a glass of water and another in a glass of alcohol, what would you observe? Explain your observations.