Magnalium is an alloy of_____________
(A) Magnesium and Lead
(B) Aluminium and Zinc
(C) Aluminium and Magnesium
(D) Aluminium and Mercury
Which of the following metal occurs in free state ______________
(A) Lead
(B) Iron
(C) Mercury
(D) Copper
The vitamin which is generally excreted by humans in urine is__________
(A) Vitamin A
(B) Vitamin B
(C) Vitamin B12
(D) Vitamin C
The Virus of AIDS affects the growth of_____________
(A) Hemoglobin
(B) RBCs in blood
(C) T cells in blood
(D) Grey Cells in blood
Alzheimer’s disease in human beings is characterized by the degeneration of _______
(A) Kidney cells
(B) Nerve cells
(C) Liver cells
(D) Spleen cells
Average salinity or ratio of salt as per kilogram of water of ocean is__________
(A) 35 grams
(B) 55 grams
(C) 32 grams
(D) 42 grams
Sum of all ecosystems is classified as___________
(A) Aero sphere
(B) Ionosphere
(C) Biosphere
(D) Ozonosphere