Question # 1

The malpighian tubules remove nitrogenous wastes from the

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Lymph

Hind gut

Hemolymph

Coelomic fluid

Which one of the following is excretophore.

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Stem

Leaves

Roots

Bark

They have adaptations for reduced rate of transpiration.

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Halophytes

Hydrophytes

Mesophytes

Xerophytes

A diluted solution compared to the cell concentration is termed as.

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Hypertonic

Hypotonic

Isotonic

Paratonic

Urea is produced in

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Lungs

Liver

Kidney

Pancreas

Liver also has numerous crucial functions of.

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Osmoregulation

Homeostasis

Thermoregulation

Excretion

The group of animals whose excretory system is structurally associated with nutritive tract.

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Vertebrates

Earthworm

Insects

Planaria

Oxygen carryiing capacity of blood does not depend upon:

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Particle pressure of CO₂

Particle pressure of O₂

Height from sea level

Quantity of blood

Urea is detoxified form of____ in the urea cycle which can be retained in the body.

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Ammonia

Nitrogen

Uric Acid

CO2

Hemodialysis means

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Removing the blood

Cleaning the blood

Storing the blood

diluting the blood

High level of circulating calcium in the blood is called.

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Hypercalcernia

Osteomalacia

Hypogycemia

Hyperoxaluria

The central station of metabolism and the body central metabolic clearing agent is.

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Stomach

Liver

Kidney

Gut

Among vertebrates uric acid is the chief nitrogenous waste in birds and

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Fishes

amphibians

Reptiles

Mammals

When haemoglobin of the blood is fully saturated with oxygen, the 100cc of blood comains

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15cc of oxygen

20cc of oxygen

25cc of oxygen

10cc of oxygen

Triethylamine Oxide is produced in.

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Hag Fish

Bony fish

Marine fish

Cartilaginous fish

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

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1

2

3

4

1 g of ammonia nitrogen requires how much water for excretion.

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50 ml

250 ml

100 ml

500 ml

The mechanism of evaporative cooling in respiratory tract of dog is known as

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Panting

Shievering thermogenesis

Thermoregulation

vasodilation

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