(A) Parapatric species
(B) Sibling species
(C) Allopatric species
(D) Geographical species
With this phenomenon average temperature of the earth might be less than -71 degree centigrade?
(A) Greenhouse effect
(B) Ozone depletion
(C) Deforestation
(D) Desertification
Which of the following tropical level represents carnivores?
(A) Primary consumers
(B) Secondary consumers
(C) Decomposers
(D) Producers
This step is absent in Calvin cycle?
(A) Oxidation
(B) Reduction
(C) Carbon fixation
(D) None of the above
The environment where evaporation exceeds precipitation called?
(A) Tropical
(B) Temperate
(C) Desert
(D) Coniferous
The most abundant and best known green house gas is?
(A) CO2
(B) Methane
(C) CFCs
(D) Nitrogen
Blood group system ABO was discovered by?
(A) Correns
(B) Bernstein
(C) T.H Morgan
(D) Landsteiner
Which of the following is not an amino acid?
(A) Glutamic Acid
(B) Aspartic Acid
(C) Glutamine
(D) Palmitic Acid