SSLC (English Medium) कक्षा ९ - Tamil Nadu Board of Secondary Education Question Bank Solutions for Science

Write down the formula of orbital velocity.

Write the methods of separation for the following:

The body cavity of the phylum Aschelminthes is ______.

The most common diseases caused by nematodes in human beings are ______ and ______.

Setae and parapodia are locomotor organs of earthworms.

Aschelminthes is the largest phylum of the animal kingdom.

Air-breathing fishes are cultured in ______ water.

Central Marine Fisheries Research Institute (CMFRI) is situated at ______.

Culture of fishes along with Agricultural crops is known as ______.

The longest marine water prawn is ______.

Earthworms are sacred – This statement was made by  ______.

The Central Institute of Brackish Water Aquaculture (CIBA) was established in ______.

India holds ______ position in Marine fish production in the world.

The eggs released by the female fish are fertilized by the sperm and fertilized eggs float in water as ______.

The hatching period in Hatchling pits is ______.

PUFA stands for ______.

______ culture is the oldest and most traditional method of prawn culture practiced in Kerala.

Fish meal is used as feed for cattle and poultry farming animals.

Define the following.

Pisciculture

How is the Fish Meal prepared?