Question

During the course of origin of life what was the sequence of substances which appeared on earth

A. Water, oxygen, nucleic acids, enzymes
B. Amino acids, ammonia, phosphates, nucleic acids
C. Glucose, amino acids, nucleic acids, proteins
D. Ammonia, Amino acids, proteins, nucleic acids  
Answer :   Ammonia, Amino acids, proteins, nucleic acids

Releted MCQ Question on
Zoology >> Evolution

Releted Question 1

From his experiments, S.L. Miller produced amino acids by mixing the following in a closed flask

A. $$C{H_3},{H_2},N{H_4}$$   and water vapor at 800°$$C$$
B. $$C{H_4},{H_2},N{H_3}$$   and water vapor at 600°$$C$$
C. $$C{H_3},{H_2},N{H_3}$$   and water vapor at 600°$$C$$
D. $$C{H_4},{H_2},N{H_3}$$   and water vapor at 800°$$C$$
View Answer
Releted Question 2

Flippers of Penguins and Dolphins are examples of

A. Convergent evolution
B. Industrial melanism
C. Natural selection
D. Adaptive radiation
View Answer
Releted Question 3

Which of the following refer to correct example(s) of organisms which have evolved due to changes in environment brought about by anthropogenic action?
(1) Darwin’s Finches of Galapagos islands.
(2) Herbicide resistant weeds.
(3) Drug resistant eukaryotes.
(4) Man-created breeds of domesticated animals like dogs.

A. (1) and (3)
B. (2), (3) and (4)
C. only (4)
D. only (1)
View Answer
Releted Question 4

A population of a species invades a new area. Which of the following condition will lead to adaptive radiation?

A. Area with many habitats occupied by a large number of species
B. Area with large number of habitats having very low food supply
C. Area with a single type of vacant habitat
D. Area with many types of vacant habitats
View Answer

Practice More Releted MCQ Question on
Evolution

Practice More MCQ Question on Biology Section

BotanyThe Living WorldBiological ClassificationPlant KingdomMorphology of Flowering PlantsAnatomy of Flowering PlantsCell: The Unit of LifeCell Cycle and Cell DivisonTransport in PlantsMineral NutritionPhotosynthesis in Higher PlantsRespiration in PlantsPlant Growth and DevelopmentReproduction in OrganismsSexual Reproduction in Flowering PlantsPrinciples of Inheritance and VariationMolecular Basis of InheritanceStrategies for Enhancement in Food ProductionMicrobes in Human WelfareOrganisms and PopulationsEcosystemBiodiversity and ConservationEnvironmental IssuesBotany Miscellaneous
ZoologyAnimal KingdomStructural Organisation in AnimalsBiomoleculesDigestion and AbsorptionBreathing and Exchange of GasesBody Fluids and CirculationExcretory Products and Their EliminationLocomotion and MovementNeural Control and CoordinationChemical Coordination and IntegrationHuman ReproductionReproductive HealthEvolutionHuman Health and DiseasesBiotechnology: Principles and ProcessesBiotechnology and its ApplicationsZoology Miscellaneous