Question # 1

Endangered plant species have been recorded to more than:

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600

400

500

300

The dominance relations of 4 O'clock plant can be described in terms of :

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Complete Dominance

Incomplete Dominance

Partial Dominance

Both b and c

According to endosymbiont hypothesis the aerobic bacteria developed into

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Lysosomes

Mitachondria

Chloroplast

Nucleus

Population is a localized group of individuals belonging to :

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same species

different species

same community

same stand

Gene pool consists of all alleles at all gene loci in all individuals of the:

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community

species

population

family

All chromosomes other than sex chromosomes are called

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Linked Chromosomes

Autosomes

Autophagosommes

Dictyosomes

Wallace developed a Theory of Natural Selection similar to that of

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Lamarck

Linnaeus

Darwin

Lyell

X and Y linked genes are also called as :

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Sex genes

Dominant genes

Autosomal genes

Pseudoautosomal genes

Which of the following hypothesis involved the evolution of eukaryotic cell from a prokaryotic cell

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Endosymbiont hypothesis

Membrane invagination hypothesis

Vent hypothesis

Both A and B

Eukaryotes are thought to hve evolved firstly about:

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1.3 billion year ago

1.5 billion year ago

1.7 billion year ago

1.2 billion year ago

An exchange of segments between non-sister chromatids of homologous chromosomes during meiosis is termed as :

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Crossing over

Hopping

Taking over

Segregation

The concept that all living things came into existence in their present forms especially created by Nature is called as

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Theory of special creation

Theory of special selection

Theory of natural creation

Theory of natural selection

Allele for whiteness in Drosophilla is

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Recessive

Codominant

Dominant

Partially dominant

Tritanopia is blindness of :

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Red Colour

Green Colour

Blue Colour

Pink Colour

Rh factor or antigen was first studied in

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Man

Owl

Monkey

Fish

What is the risk of a colour blind child in a family when mother is colour-blind but father is normal?

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100%

75%

50%

25%

Rh factor or antigen was first studied in :

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Man

Owl

Monkey

Fish

Lamarck was incharge of invertebrate collection at Natural History Museum is

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Berlin

Paris

California

Brun

Darwin published " The Origin of Species" in

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1840

1844

1858

1859

Armadillos, the armoured mammals live only in :

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Asia

Europe

America

Africa

The processes that have transformed life on earth from its earliest forms to the vast diversity that we observe today, are collectively referred as

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Evolution

Succession

Revolution

All of above

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