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Question-1
According to the heterotroph hypothesis, the first life on earth was able to
(A)
synthesize its food from inorganic compounds
(B)
feed upon carbohydrates produced by autotrophs
(C)
feed upon available nutrients in the environment
(D)
carry on Photosynthesis instead of respiration
Question-2
The Study of homologous structures in nature organisms provides evidence for the evolutionary relationships among certain groups of organism. Which field of study includes this evidence of evolution?
(A)
Comparative cytology
(B)
Biochemistry
(C)
geology
(D)
comparative anatomy
Question-3
Two nucleotide sequences found in two different species are almost exactly the same. This suggests that these species.
(A)
Are evolving into the same species
(B)
contain identical DNA
(C)
May have similar evolutionary histories
(D)
Have the same number of mutations
Question-4
The structural similarities between the flippers of whales and the arms of humans are used to show that the.
(A)
human species began life in the oceans
(B)
human species and whales have a common ancestry
(C)
Whales are older than the human species
(D)
Whales evolved from the human species.
Question-5
According to Darwin?s theory of evolution, differences between species may be the result of
(A)
the discus of body structures
(B)
the transmission of acquired characteristics
(C)
natural selection
(D)
mutagenic agents.
Question-6
The diagram below shows undisturbed sedimentary strata at the bottom of an ocean. The fossils found in layer B resemble the fossils found in layer A. This similarity suggests that.
(A)
Fossils in layer B were formed before the fossils in layer A
(B)
modern forms of life may have evolved from earlier forms of life
(C)
vertebrate fossils are only found in sediments
(D)
the fossils in layer A must be more complex than those in layer B
Question-7
Which concept was not included in Charles Darwin?s theory of natural selection?
(A)
survival of the fittest
(B)
struggle for existence
(C)
over production of offspring
(D)
Punctuated equilibrium
Question-8
Darwin?s theory of evolution is based on the concept of
(A)
use and disuse
(B)
mutations
(C)
natural selection
(D)
hybridization
Question-9
The concept that species have changed over long periods of time is known as
(A)
ecology
(B)
embryology
(C)
spontaneous generation
(D)
organic evolution
Question-10
The biochemical analysis of different chlorophyll pigments in plants would be most useful in determining.
(A)
how plants reproduce asexually
(B)
how plants pass favorable traits to their offspring
(C)
why some plants produce hemoglobin.
(D)
which plants might have a common ancestor.
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Practice in Related Chapters
How the Animal Body Defends Itself
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EVOLUTION AND NATURAL SELECTION
History of the Vertebrates
Evolution of the Animal Phyla
Plant Reproduction and Growth
Cells
Energy and Life
How Cells Divide
Foundation of Genetics
How Genes Work
The Chemistry of Life
Advent of the Eukaryotes
Reproduction and Development
The Nervous system
Evolution and Ecology
The Science of Biology
Genomics
Living World
Gene Technology
Plant Form and Function
Evolution of Plants
How We Name Living Things
The First Single-Celled Creatures
Immunity and Disease
Regulation and Reproduction
Control and Coordination
Respiration and Excretion
Circulation
Nutrients and Digestion
Structure and Movement
The Path of Food Through the Animal Body
Circulation and Respiration
Evolution of Multicellular Life
The Animal Body and How it Moves
Ecosystems
Scientific Method
Biology Overview
Light - EM Radiation
Modern Physics
Light
Electricity and Magnetism
Work
Energy
Laws of Motion
Momentum
Friction
Motion
Conservation Genetics
Genetics and Evolution
The Genetic Code and Transcription
Recombinant DNA Technology
Kinetics: what affects the speed of a reaction?
Acids, bases, and the aqueous environment: the medium of life
Chemical Reactions 1: bringing molecules to life
Chemical reactions 2: reaction mechanisms driving the chemistry of lif
Structural Organization Of Cell Organelles
Origin of Life
Biophysics
HUMAN POPULATION AND HEALTH
BIO-ENERGY
BIO-FERTILIZERS AND BIOLOGICAL PEST CONTROL
Elements,Metals and Compounds
ATOMS, RADIOACTIVITY & NUCLEAR SCIENCE
Biomedical Technologies
Domestication of Animals and Disease control
SYNTHETIC MATERIALS
Breast Cancer
Administering parenteral nutrition (Advanced Skill)
Stoma Care
Administration of Suppositories and enemas
Administering enteral nutrition
Nasogastric Tube insertion
Blood Glucose Measurement
Nutritional assessment
Natural Sciences
Transport in Plants
Biology Practice Questions
Vertebrate Development
Chemistry Practice Questions
The Universal Language of plant Names
Plant Tissues
Plant Tissues
Basic of Botany
General Botany
Facts about Plants
Rock Cycle
Scientific Instruments
Disease
DNA
Energy Flow
Human Reproductive Systems
Material Cycles
Organism Relationships
Biodiversity
Ecological succession
Technological developments
Improvements
Definition Quiz
Threesomes Quiz
Technology Quiz 2
Technology Quiz 1
Flowers Quiz
Explorers Quiz
Instrumentation
Measurement
Science Quiz
Definitions quiz
Science Quiz
Life Functions
Variation
Asexual Vs. Sexual Heredity
Natural Selection
Branches of Science
Everyday Science
Natural Selection
Cell Structure
Population Diversity
Famous Museums
Music Instruments
We need speed
Satellites
Physical equilibria: pure substances
Thermodynamics: the Second Law
Thermodynamics: applications of the First Law
Thermodynamics: the first law
The properties of gases
Introduction
Quantum chemistry: the chemical bond
Quantum chemistry: atomic structure
Quantum theory
Chemical kinetics: accounting for the rate laws
Statistical thermodynamics
Spectroscopy: magnetic resonance
Spectroscopy: electronic transitions and photochemistry
Spectroscopy: molecular rotations and vibration
Solid surfaces
Metallic, ionic, and covalent solids
Materials: macromolecules and aggregates
Molecular interactions
Chemical kinetics: the rates of reactions
Chemical equilibrium: the principles
The properties of mixtures
Chemical equilibrium: equilibria in solution
Pregnancy and Breast feeding
Carbohydrates
The Basis of Healthy Diet
What Nourishes
Alcohol
Protiens
Lipids
Trace Minerals
Water and the Major Minerals
The Water - Soluble Vitamins
The Fat Soluble Vitamins
Energy Balance and Weight Control
Sports Nutrition
Human Physiologic Processes
Metabolism
Eating Disorders: Anorexia Nervosa, Bulimia Nervosa, and other Conditions
microbial ecology
Microbial genetics
Historical Perspective
Prokaryotic and Eukaryotic Cells: Structure And Function
Methods in Microbiology
Microbial Metabolism
Control of Micro-organisms
Hemotherapy Anyibiotics
Microbial diseases and host pathogen interaction
Human Biology
Gene Therapy
Mendel's Genetics
Prostate Cancer
Ovarian Cancer
Lung Cancer
Colorectal Cancer
Lung Cancer
Applied clinical genetics
Clinical skills and scenarios
Genes and drugs and treatment
Gene and biochemistry
Genes and cancer
Genes and development
Genes and Haemoglobin
Genes and populations
Breast Cancer
Human Physiology
Identifying genes for mendelian diseases
Polygenic inheritance and complex diseases
REACTIONS, CHANGES & SEPARATION OF MIXTURES
Appliances and Devices
Measurements
Living World Ecology & Environment
Understanding Life
Modes of Reproduction in Animals
Infloresence
Energy
The origin of life
Genes and Development
The Genetic Basis of Cancer
Gene Mutation, DNA Repair, and Transposable Elements
Translation and Proteins
Introduction to Genetics
Quantitative Genetics
Sex Determination and Sex Chromosomes
DNA Structure and Analysis
DNA Replication and Synthesis
Mapping in Bacteria and Bacteriophages
Linkage and Chromosome Mapping in Eukaryotes
Population Genetics
Chromosome Mutations: Variation in Number and Arrangement
Mitosis and Meiosis
Chromosome Structure and DNA Sequence Organization
Modification of Mendelian Ratios
Mendelian Genetics
Domestication of Plants and Disease Control
Tissue Culture and Bio Technology
Organic chemistry
Alkynes
Alkenes
Ultraviolet Spectroscopy
Carboxylic Acids and Amino Acids
Stereochemistry
Aldehydes and Ketones
Ethers, Amines and Nitriles
Alcohols and Phenols
Esters and Amides
Acid Halides and Acid Anhydrides
Acid-Base Reactions
Halides
Infrared Spectroscopy
Aromatic Hydrocarbons
Chemical equilibrium: electrochemistry
Equilibria: how far do reactions go?
Conserving Resources
Interactions of life
The Nonliving Environment
Cell Nucleus
Mitochondria
Chloroplasts
Cell Functions
Cell overview
Cell Organelles
Cell Membranes
Animal world
Cell Biology
Evolution
Animal Anatomy and Physiology
Parasitology and Immunology
Developmental Biology
Ecology
Amimal Behaviour
Circulatory System
Animals System Overview
Immune System & Human Health
Atoms: the foundations of life
Compounds and chemical bonding: bringing atoms together
Molecular interactions: holding it all together
Organic compounds 1: the framework of life
Organic compounds 2: adding function to the framework of life
Biological macromolecules: providing life's infrastructure
Molecular shape and structure 1: from atoms to small molecules
Molecular shape and structure 2: the shape of large molecules
Isomerism: generating chemical variety
Chemical analysis 1: how do we know what is there?
Chemical analysis 2: how do we know how much is there?
Energy: what makes reactions go?
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