Question # 1

The abiotic component of an ecosystem is.

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Temperature

Producer

Consumer

Decomposer

Trisomy of chromosome 18 is found in.

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Down's syndrome

Edward syndrome

Patau syndrome

Jacob's syndrome

Which is the most important mechanism for water loss from the body?

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Excretiong in urine

Sneezing

Sweating

Eleminatin in feces

Two parents, each of blood groups A, have a daughter of blood group O. what is the probality that their next child who has blood gorup O?

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0.125

0.25

0.50

0.75

Cardiac muscles are muscles of the

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Liver

Stomach

Kidney

Heart

The concentrations of cell bodies of neuron are

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Ganglia

Dendrites

Axons

Nodules

Turgor pressure is generated by high osmotic pressure is plants cell

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Cytoplasm

Vacuole

Chloroplast

Mitochondria

The whole of the world land is called.

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Lithosphere

Hydrosphere

Ecosphere

Biosphere

The gene that triggers developmental process towards maleness is.

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TFM

MODY

SRY

BOB

Origin site of replication is one in

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Prokaryotes

Eukaryotes

None of these

Both a & b

Tube feet are locomotor organs of.

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Jelly fish

Cottle fish

Star fish

Silver fish

Flagella may have arisen through the ingestion of prokaryotes similar to spiral shaped bacteria called.

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E. Coli

Streptococcus

spirochete

Rhizobium

Development of an egg into embryo without fertilization is called as.

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Parthenocarpy

parthenogenesis

Fragmentation

Meiosis

German botanist Gottlieb Haberlandi said in 1902 that plant cells are

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Totipotent

Potent

Totipersausive

Totistrong

In living thing, the behavior activities occurs at regulars intervals which are called.

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diumal rhythms

Blorhythms

Circannual

Orcadian

From Hensen's node,dorsal mesoderm is formed and is organized into

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Segments

Fragments

Somitcs

Remains

Bombay phenotype is an example of.

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Pleiotropy

Probability

dominance

epistasis

Symbiotic association of analgaliving within fungus mycelium is known as.

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Mycorrhiza

Lichen

Root Nodules

Parasitism

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