Question # 1

Blood supplied to kidneys from each cardiac beat is.

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10%

20%

30%

50%

The structure in human brain which control hunger is

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Amygdala

Hippocampus

Hypothalamus

Thalamus

Urea is produced in

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Lungs

Liver

Kidney

Pancreas

Which of the following behaves like normal cells.

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Benign tumor

Cancer

Gall

Malignant tumor

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

The individuals called universal recipients have.

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A blood group

B blood group

Ab blood group

O blood group

Which is the end of muscle which remain fixed when then muscle contracts.

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Insertion

Origin

Tendon

Belly

The main transmitter for synapses that lie outside the central nervous system is

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Adrenaline

Acetylcholine

Serotonin

Dopamine

In the double helix of DNA adenine forms two hydrogen bonds with

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Thymine

Guanine

Cytosine

Uracil

In which type of ecosystem in the smallest fraction of nutrients present in soil.

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Forest

Savanna

Grass land

Desert

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

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XXY

XXXY

XO

XYY

In test cross, heterozygous produces.

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All round

50,50

All wrinkle

None of these

The biome, which has very fertile soil, rich in organic matter with maximum water holding capacity is.

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Alpine forest

Grassiland

Desert

Temperate deciduous forest

Meiosis occurs only in

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Haploid cell

Diploid cells

Pentaploid cells

Triploid cells

Euglena moves with the help of.

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Cillium

Pseudopodium

Flagellum

Myonemes

The random loss of alleles in a population is called:

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Mutation

Selection

Gene flow

Genetic drift

Opening of flower bud floows.

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Photonasty

epinasty

Haptonasty

Hyponasty

In sub humid tropical grassland rate of primary production is more than

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2000 g/m²

3000 g/m²

4000 g/m²

6000 g/m²

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