Question # 1

Which of the following is a 'start' codon

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AUG

UAG

UAA

UGA

The arctic tundra stretches acroos Northern North America, Northern Europe and.

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cyprus

Siberia

Morocco

Nepal

80% haemophiliacs suffer from haemophilia A due to abnormality of factor

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VIII

IX

X

XI

The joint that allows the movement in two directions is called.

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Cartilaginous joints

Hinge joints

Syrovial joints

Ball and Socket joints

Fresh water flatworms excrete

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Very dilute urine

Very concentrated urine

Slightly concentrated

Moderately concentrated urine

Which statement defines the net primary production in an ecosystem over a given time period?

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The total amount of organic matter in the plants in excess of that used in respiration

The total amount of organic matter used in respiration by all the organisms present

The total amount of photosynthesis product from all plants

The total amount of organic matter in all organisms present

Most cartilaginous fishes possess salt execrating organs known as the

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Coecal gland

Foetal gland

Rectal gland

Sebaceous gland

Human body temperatrue is controlled by.

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Hypothalamus

Pons

Cerebellum

Medulla

The chromatin material gets condensed by folding and chromosomes appear as thin thread in mitosis at the beginning of.

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Inter phase

Pro phase

Ana phase

Meta phase

What will occur if a drug at the neuromuscular junction blocks the receptors sites on the post-synaptic membrane?

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Inhibition of Acetylchlorine release

Muscle contraction

Muscle paralysis

Release of calcium ions

Hypoblast is mainly presumptive

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Endoderm

Mesoderm

Ectoderm

Blastoderm

Acetabularia is a

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Epiphyte

Alga

fungus

Angiosperm

Apical dominance is cause by.

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Gibberellins

Cytokinins

Auxins

Ethene

Embryo implants in the _________ of the uterus.

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Perimetrium

Myometrium

Endometrium

^Cervix

Auxins promote growth of roots from

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Cutting

Calluses

Both a & b

Layering

Imprinting is best known in birds such as

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Geese

Ducks

Chickens

All a,b,and c

Fertilizations is the process which leads to the union of.

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Individuals

Gametes

Eggs

Sperms

The supracoracold muscles provide power for the

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Upward stroke

Downward stroke

Recovery Stroke

Neutral stroke

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