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

TFM in soaps represents ______ content in soap.

The alkaline hydrolysis of fatty acids is termed as ______

______ spinal nerves are present in rabbits.

The cerebral hemispheres of rabbits are connected by a band of nerve tissue called corpora quadrigemina.

Which is the correct sequence of blood flow?

A patient with blood group O was injured in an accident and has blood loss. Which group of blood should be used by the doctor for transfusion?

Match the following.

All veins carry deoxygenated blood.

What is the shape of RBC in human blood?

Why is the colour of the blood-red?

Who discovered the Rh factor? Why was it named so?

Mature RBC in mammals does not have cell organelles. 

Why are leucocytes classified as granulocytes and agranulocytes? Name each cell and mention its functions.

Direction: In each of the following questions a statement of assertion (A) is given and a corresponding statement of Reason (R) is given just below it. Mark the correct statement as.

Assertion: RBC plays an important role in the transport of respiratory gases.

Reason: RBC does not have cell organelles and a nucleus.

Direction: In each of the following questions a statement of assertion (A) is given and a corresponding statement of Reason (R) is given just below it. Mark the correct statement as.

Assertion: Persons with AB blood group are called a universal recipient because they can receive blood from all groups.

Reason: Antibodies are absent in persons with AB blood group.

Fertilization is ______ in humans.

______ is the first secretion from the mammary gland after childbirth.

Prolactin is a hormone produced by ______.

Match the following terms with their respective meanings.

What is colostrum? How is milk production hormonally regulated?