Question # 1

Human appendix, coccyx and nictiating membrane of the eye are:

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Vestigical organs

Homologous organs

Analogous organs

Embroyonic organs

Study of single population's relationship to its environment is called.

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Niche

Autecology

synecology

Predation

Post mitotic cells can exist the cell cycle during.

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G1 Phase

G0 phase

G3 phase

S phase

Innate behavior is all but;

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Heritable

Intrinsic

Sterotypic

Flexible

The parts of the body used extensively to cope with the environment become larger and stronger while those that are not used deteriorate was argued by

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Charles Drawin

Alfred Wallace

Carolus Linnaeus

J.B Lamarck

The perennial plants are bushes or cacti with large shallow root systems in

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Grassland

Deserts

Tundra

Taiga

Expression of a trait is termed as

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Genotype

Phenotype

Dominance

Wild type

In the zone of elongation, the volume of the cells increase upto.

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100 times

150 times

200 times

250 times

Which organ is the central station of Metabolism.

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Liver

Kidney

Spleen

Skin

Euglena is able to change its direction by the active contraction of.

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Undulating membrane

Myonemes

Cilium

Flagella

The most critical phase of mitosis, which ensures equal distribution of chromatids in the daughter cells is.

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Prophase

Tele phase

Meta phase

Anaphase

The enzyme which joins the two pieces of DNA is

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DNA polymerase -I

DNA ligase

Restriction endonuclease

DNA polymerase -I

Which one is absent in animal cells.

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spindle

Centriole

Chromatids

Phragmoplast

Pinus wallichiana pinus roxbugil Abies pindrow picea smithiana Cederous deodara are plants of

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Coniferous alpine and boreal forests

Temperate deciduous forests

Tropical rain forests

Grassland ecosystem

Human lungs are spongy due to the presence of million of:

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Bronchi

Alveoli

Bronchioles

Trachea

The sleep movements of plants fall under the categery of

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Growth

Tactic

Turgor

Tropic

The onset of epilepsyis usually before age of

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10 years

20 years

30 years

40 years

Alzheimer's disease is characterized by the decline in the function of.

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Brain

Kidney

Liver

Stomach

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