Question # 1

Flame cells are poart of excretory sytstem of

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Hydra

Cockroach

Planaria

Earth worm

Arginase splits the arginine to form ure and the percusor.

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Omithine

Creatinine

ammonia

Citruline

Excretory structure present in cockroach are.

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Contractile vacuole

Malpighian tubules

Nephridia

Flame cells

The Planaria flatworm have simple tubular excretory system known as.

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Protonephridium

Mesonephridum

Prenephridium

Metanephridium

Contractile vacuoles are found in.

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Plants

Fresh water protozoa

Marine plants

Pino cytosis

Which plants have the adaptation to remove the flooding of its cells in fresh water

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Xerophytes

Mesophytes

Hydrophytes

Chondrocytes

Abdomen has a peritoneal cavity lined by a thin epithelium called

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Pericardium

Peritoneum

Scrotal sac

Pleura

The rate of heat production is increased by increasing muscle contraction by movement is called.

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Thermoregulation

Shilvering thermogenesis

Non shievering

Thermostat thermogenesis

Which organ is the central station of Metabolism.

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Liver

Kidney

Spleen

Skin

The active uptake of sodium ions in the loop of Henle is provided byt he action of hormone.

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Insulin

Adrenaline

Aldosterone

Oxytocin

Fresh water flatworms excrete

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Very dilute urine

Very concentrated urine

Slightly concentrated

Moderately concentrated urine

In juxtamedullary nephrons additional capillaries extend down to form at.

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Vasa deferontia

Vasa efferetia

Vasa recta

Vasa hecta

Which one is an example of Xerophytes.

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Brassica

Rose

Cactus

Mango

Activation of sweat glands to produce sweat from evaporative cooling is a type of adaptation.

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Structural

Physiological

Behavioural

None of these

Saliva and urine are used for evaporative cooling by

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Bat

Dogs

Birds

Seals

Urine leaves the kidney through aduct called.

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Urethara

Pelvis

Ureter

Naphron

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

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Panting

Shievering thermogenesis

Thermoregulation

vasodilation

Liver also has numerous crucial functions of.

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Osmoregulation

Homeostasis

Thermoregulation

Excretion

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Biology Fsc Part 2 Chapter 1 Online Test MCQs With Answers

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