(A) Ecology
(B) Micro Chemistry
(C) Environmental Biology
(D) Molecular Biology
Study of living things is called?
(A) Sociology
(B) Biology
(C) Chemistry
(D) Physics
Cement is the mixture of?
(A) Limestone, Gypsum
(B) Limestone clay
(C) Clay, Limestone, Gypsum
(D) Clay and Clinker
The first layer of cell wall which is formed is?
(A) Primary wall
(B) Secondary wall
(C) Middle Lamella
(D) All of the above
Organism interactions may be in the form of?
(A) Mutualism
(B) Competition
(C) Predation
(D) All of the above
Blue Dwarfs refer to?
(A) Old stars
(B) Caucasians
(C) Young stars
(D) None of the above
Scientists have found some proofs of presence of water on which of the following planets?
(A) Venus
(B) Mercury
(C) Neptune
(D) Mars
Main composition of sun is?
(A) Methane and Hydrogen
(B) Hydrogen and Oxygen
(C) Hydrogen and Helium
(D) Oxygen and Ammonia