In animals coordination is achieved by means of_________?
(A) Respiratory system
(B) Nervous system
(C) Endocrine system
(D) Both b and c
Different species of plants and animals living in the same habitat is called ___________?
(A) Population
(B) Community
(C) Biome
(D) Habitat
The atoms of different elements combine with each other through ionic or covalent bonding to produce compounds this stable form is called__________?
(A) An organ
(B) A molecule
(C) Tissue
(D) Both a and c
The experiments on DNA molecules in chromosomes for knowing the basis of inherited diseases are conducted by________?
(A) Molecular biologists
(B) Microbiologists
(C) Freshwater biologists
(D) Social biologist
A chemical substance that reacts with enzyme but is not transformed into product and thus blocking active site is called__________?
(A) Substrate
(B) Co-factor
(C) Inhibitor
(D) Promotor
The study of fossils is called__________?
(A) Environmental Biology
(B) Historical biology
(C) Palaeontology
(D) Social biology
Which character differentiates living things from non-living organisms___________?
(A) They live in the same ecosystem.
(B) They are acted upon by the same environment
(C) They are highly organized and complex made of one or more cells and contain genetic material
(D) Both a and b
A structure formed by groups of similar cells organized into loose sheetsor bundles performing similar functions is called as________?
(A) An organ
(B) An organism
(C) A Tissue
(D) A Cell