Question # 1

Which of the following chromosome abnormalities lead to tallness, aggressiveness mental defect and anti social behavior.

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XXY

XXXY

XO

XYY

A hurdened outer surface to which internal muscles can be attached is

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Endoskeleton

Hydrostatic skeleton

Exoskeleton

Axial skeleton

ABO blood group system was discovered by

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Karn Ladsteiner

Bernstein

Correns

T.H.morgans

The individuals have additional sex chromosome in

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Klinefelter's syndrome

Turner's syndrome

Down's syndrome

Sach's syndrome

Karyokinetic involves division of.

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Cell

Nucleus

Cell membrane

Cytoplasm

Digitigrade mammals tend to walk on their

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Soles

Digits

Tips of toes

None of these

The addrenaline cortex produces ______________

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Adrenaline

Calcitonin

Epinephrine

Aldosterone

Soyabean is an example of plants.

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Short day

Long day

Dary neutral

Day independent

Abdomen has a peritoneal cavity, lined by a thin epithelium called.

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ectoderm

endoerm

Peritoneum

Epidermis

Excess MSH is secreted in

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Addison's disease

Parkinson's disease

Grave's disease

Alzheimer's disease

Each nuclear power station only can last for about

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10 years

20 years

30 years

40 years

Cases of disputed parenthood can be solved with the help of

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DNA Finger printing

Cloning

RNA Finger printing

Gene sequencing

Innate behavior is all except;

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Coded in DNA

Modified in individuals life span

Modified with species evolution

Programmed responses to external stimuli

In grassland ecosystem annual rainfall is about 250 to

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350 mm

450 mm

650 mm

750 mm

Number of ammonia molecules required to produce one molecule of urea is.

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1

2

3

4

PCR takes its name from

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RNA polymerase

DNA polymerase

DNA ligase

Endonuclease

The end products of haemoglobin breakdown and metabolites of various hormones is

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Glucagon

Bilirubin

Keratin

Serotonin

Pressure filtration is kidney specifically occurs at

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Vasa recta

Bowmann's capsule

Urine collecting

Loop of henle

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