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

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.

State and prove the law of conservation of linear momentum.

Define electric potential and potential difference.

Mark the correct choice as

1. Assertion: The change in air pressure affects the speed of sound.
2. Reason: The speed of sound in a gas is proportional to the square of the pressure

Mark the correct choice as

1. Assertion: Sound travels faster in solids than in gases.
2. Reason: Solid posses a greater density than that of gases.

What are the factors that affect the speed of sound in gases?

What do you understand by the term ‘ultrasonic vibration’?

Which method of crop improvement can be practised by a farmer if he is inexperienced?

In a hexaploid wheat( 2n = 6 x = 42 ) the haploid (n) and the basic(x) number of chromosomes respectively are ______.

Economically important crop plants with superior quality are raised by ______.

______ is the chemical used for doubling the chromosomes.

Rice normally grows well in alluvial soil, but ______ is a rice variety produced by mutation breeding that grows well in saline soil.

The process of producing an organism with more than two sets of chromosome is called mutation.