Which of the following is a part of the system Unit?
(b) Floppy Disk
Which one of the following metals does not form amalgam?
Which one of the following materials is very hard and very ductile?
(a) Cast iron
Which one of the following is not radioactive?
Which one of the following is a membrane that protects the developing embryo from desiccation?
(c) Yolk sac
The major component of honey is
Lathyrism is caused by excessive consumption of
(a) Polished rice
(c) Khesari dal
(d) Mustard oil
The "stones" formed in human kidney consist mostly of
(b) Magnesium sulphate
(c) Sodium acetate
(d) Calcium oxalate
In eye donation, which one of the following parts of donor's eye is utilized?