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

Prions are found in neurons and are cone-shaped.

The casing is done on the mushroom to ______.

Mushroom is a fungus belonging to ______.

Edible mushrooms are a valuable source of supplementary lipids.

Spawn is prepared by growing fungal mycelium in grains under fertile conditions.

The yield of a greenhouse is very high compared to outdoor cultivation.

Mariculture (or) Marine water aquaculture

Define the following.

Pinning

What is spawning?

Name any three edible mushrooms.

Mention the main problems of harvesting mushrooms.

Name any three methods to increase mushroom life.

How is compost prepared?

Write short notes on Mushrooms.

Rulers, measuring tapes and metre scales are used to measure ______

Metre is the unit of ______.

Match the following.

Assertion (A): Distance between two celestial bodies is measured in terms of light year.

Reason (R): The distance travelled by the light in one year is one light year.

Can you find the diameter of a thin wire of length 2 m using the ruler from your instrument box?

Numerical Problem.

Inian and Ezhilan argue about the light year. Inian tells that it is 9.46 × 10¹⁵ m and Ezhilan argues that it is 9.46 × 10 ¹² km. Who is right? Justify your answer.