1.Which hormone is also known by the name of the female hormone ? (1)
(1) Estrogen
(2) Feminozen
(3) Testosterone
(4) Oxytocin
2. Bronze is an alloy of ? (2)
(1) Zinc and Tin
(2) Copper and Tin
(3) Copper and Lead
(4) Copper and Iron
3. Who discovered the electron? (1)
(1) J.J Thomson
(2) James Chadwick
(3) Rutherford
(4) Mendellev
4. The plants grow in salty water? (2)
(1) Hydrophytes
(2) Helophyte
(3) Lithophytes
(4) Zoophyte
5. The element which is not found in human body in natural form? (3)
(1) Copper
(2) Zinc
(3) Lead
(4) Iodine