How many upper chambers are present in human heart ?

(1)  Four
(2)  three
(3)  two
(4)  one

Which of the following is not a part of the female reproductive system in human beings?

(1) Ovary
(2) Uterus
(3) Vas deferens
(4) Fallopian tube

_________ smoothens bone surface at joints and is also present in the nose, ear, trachea & larynx.

(1) Tendons
(2) Ligament
(3) Areolar tissues
(4) Cartilage

The instrument for measuring blood pressure is called
(1) Manometer (2) Sphygmomanometer (3) Barometer (4) Potentiometer

Iodine is necessary for the synthesis of which hormone ?
(1) Auxin (2) Thyroxin (3) Adrenaline (4) Insulin