SSLC (English Medium) इयत्ता १० - Tamil Nadu Board of Secondary Education Question Bank Solutions for Science

Nicotine is a narcotic drug.

A highly poisonous chemicals derived from tobacco is ______.

Mention the diseases caused by tobacco smoke.

Value based question

Men addicted to tobacco lead to oxygen deficiency in their body. What could be the possible reason?

Deforestation leads to ______ in rainfall.

The chemical equation Na₂SO_4(aq) + BaCl_2(aq) → BaSO_4(s)↓ + 2NaCl_(aq) represents which of the following types of reaction?

What is called thermolysis reactions?

Classify the following compounds based on the pattern of the carbon chain and give their structural formula:

(i) Propane

(ii) Benzene

(iii) Cyclobutane

(iv) Furan

Casparian strips are present in the ______ of the root.

The endarch condition is the characteristic feature of ______

The waxy protective covering of a plant is called a cuticle.

Palisade parenchyma cells occur below the upper epidermis in the dicot root.

What is a collateral vascular bundle?

Differentiate the following.

Monocot root and Dicot root

How does leech respire?

Active transport involves ______

Which of the following process requires energy?

Impulse is equals to

The linear momentum of a system of particles is always conserved.

A ball of mass 1 kg moving with a speed of 10 ms^-1 rebounds after a perfect elastic collision with the floor. Calculate the change in linear momentum of the ball.