Q : Which of the following elements does not spread pollution?
(A) Copper
(B) Cadmium
(C) Arsenic
(D) Nickel
What acid is found in vinegar?
(A) lactic acid
(B) citric acid
(C) maleic acid
(D) acetic acid
G letter in 4G spectrum is used for which word?
(A) Global
(B) Governance
(C) Generation
(D) Google
Photosynthesis occurs —
(A) In nucleus
(B) In mitochondria
(C) In chloroplast
(D) Peroxysom
On which principle of heredity of the mandal is based?
(A) somatic regeneration
(B) asexual reproduction
(C) sexual reproduction
(D) All of the above
What do plants, which grow in salt-rich soils, say?
(A) Jirophyte
(B) hydrophyte
(C) halophyte
(D) sculent
From whom do the salt of food is formed?
(A) From weak acids and weak alkali
(B) From strong acid sturdy and strong alkali
(C) From weak acid seises and strong alkali
(D) From strong acids and weak alkali
The principle of 'black hole' was enunciated
(A) C . V. By Raman
(B) H . J. Bhabha
(C) S . Chandrasekhar by
(D) H. Khurana by
Which mirror is used as a surface vision mirror in vehicles?
(A) Plane
(B) Convex
(C) Concave
(D) Inverted
Which of the following pairs is not matched?
(A) James Watt : Vapour Engine
(B) A. G. Bell : Telephone
(C) J.L. Baird : Television
(D) J. Perkins : Penicillin
(A) A
(B) B
(C) C
(D) D
Get the Examsbook Prep App Today