SSLC (English Medium) Class 10 - Tamil Nadu Board of Secondary Education Question Bank Solutions for Science

How can you calculate the speed of sound using echo?

When sound is reflected from a distant object, an echo is produced. Let the distance between the reflecting surface and the source of sound remain the same. Do you hear an echo sound on a hotter day? Justify your answer.

________ has the greatest penetration power.

_ZY^A → _Z+1Y^A + X ; Then, X is _____

_ZX^A → _ZY^A This reaction is possible in ________ decay.

Arrange in descending order, on the basis of their penetration power

Alpha rays, beta rays, gamma rays, cosmic rays

Deflected by electric field : α ray, Null Deflection : ______

Write the name of the electromagnetic radiation which is emitted during a natural radioactivity.

Cancer cells are more easily damaged by radiations than normal cells because they are ______.

Which type of cancer affects lymph nodes and spleen?

Cancer of the epithelial cells is called ______.

Metastasis is associated with ______.

Cancer causing genes are called Oncogenes.

In leukemia both WBCs and RBCs increase in number.

Carcinogens are cancer causing agents.

Blood cancer is called ______.

Chemotherapy: Chemicals: Radiation therapy: ______.

What is metastasis?

How is a cancer cell different from a normal cell?

Chemical formula of rust is ______