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

How can you minimize plastic pollution through your daily practices?

Which one of the following is a flavor enhancer?

The compound that gets reduced in the alcohol test is ______.

Vitamin C is also a powerful ______ that prevents food from oxidizing. 

Vinegar is used as an antioxidant.

Reduction of alcohol results in oxidation of dichromate to chromic ion.

Choose the correct terms related to Hemichordate

______ has gill slits but does not have a notochord.

______ is seen in unicellular animals.

The disappearance of spindle fibers is seen in ______.

The Bouquet stage refers to ______.

During meiosis in pachytene, stages the paired chromosomes are called ______.

Mitosis was discovered by ______.

Genetic variations occur in meiosis because of ______.

Spindle formation occurs in amitosis.

A mature RBC lacks a nucleus.

Explain amitosis.

Organs that are concerned with the formation, storage, and elimination of urine constitute the ______.

In the process of urine formation, the maximum amount of water from the glomerular filtrate is reabsorbed in the ______.

The narrower lower part of the uterus is  ______.