Question # 1

All Ecosystem of the world join and makes.

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Biosphere

Heterosphere

Geosphere

Hydrosphere

______is unable to see during day time.

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Rabbit

Owl

Cat

Human

James Watson and Francis Crick proposed the structure of DNA in.

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1953

1963

1933

1922

Nerve impulse carries from Receptors to central Nervous System:

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Sensory Neurons

Motor Nuerons

Inter Neurons

Effectors

Medicines which induce sedation by reducing irretability and excitement are called:

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Analgesics

Antibiotics

Sedative

Vaccines

The male reproductive part of flower is:

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Gynoecuim

Androecium

Corolla

Calyx

Amount of Urea in normal chemical composition is.

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9.3 g/l

1.87 g/l

1.17 g/l

0.75 g/l

The example muciliage excreting plant is:

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keekar

rubber

conifers

lady finger

Short underground stems surrounded by thick fleshy leaves that contain stored food are called:

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stem tubers

suckers

corms

bulbs

The enzyme which is used to cut the gene of interest is.

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Endonuclease

Ligase

Amylase

Lipase

Which one does not act as effector:

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Liver

Nephrons

Brain

Bones

A corn develops into new garlic plant this is the process of :

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Vegetative propagation

Regeneration

Meiosis

Gametogenesis

Organisms in the ecosystem that are responsible for recycling of plant and animal wastes are.

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Producers

Consumers

Decomposers

Competitors

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