Question # 1

How much air lungs can hold when they are futy inflated.

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5 liters

4.5 liters

4 liters

3.5 liters

The protozoans having two kids of nuclei

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Amoeba

Zooflagellates

Ciliates

Actinopods

Optimum pH for action of pancreatic lipase is

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3.00

5.00

7.00

9.00

Antiserum is a serum containing.

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Hormones

Antigen

Enzymes

Antibodies

Study of tissues is called.

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Morphology

Anatomy

Histology

Microbiology

Discharge of blood from blood vessel is called as

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Stroke

Heart Attack

Hemorrhage

thromobosis

The bio elements which account for 99% of the total mass in the human's body are.

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Four

Six

Eight

Three

Emil Fisher proposed a lock and key model in

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1990

1880

1890

1800

A blue coloured respiratory pigment called hemocyanin is found is.

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Molluscus

Annelids

echinoderms

Arthropods

The cell walls of most bacteria have a unique macromolecule called.

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Techois acid

Lipoprotein

Peptidoglycan

Polysaccharide

The exchange of gases between the organism and its environment is called.

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Respiration

External respiration

Cellular respiration

Anaerobic respiration

The spread of tumor cells and establishment of secondary area of growth is known as.

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Necrosis

Apoptosis

Metastasis

Epigenesis

Tundra ecosystem is located on Mountains

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Kara-koram

Hindukush

Salman

Both a & b

Mountain of Karakoram are located in major terrestrial ecosystem in Pakistan.

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Grass land

tundra

Coniferous alpine forest

Temperate deciduous forest

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

Saliva and urine are used for evaporative cooling by

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Bat

Dogs

Birds

Seals

The fishes which drink large amount of sea water and excrete concentrated urine are.

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Cartilaginous fishes

Bony fishes

Lung fishes

Jawless fishes

A natural process in which surface soil is removed by the action of water or wind is

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Corrosion

Attrition

Erosion

Weathering

Post mitotic cells can exist the cell cycle during.

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G1 Phase

G0 phase

G3 phase

S phase

Rain that falls on high areas such as mountains possesses large amount of garvitational

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Heat energy

Kinetic energy

Electrical energy

Potential energy

DNA was discovered in

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1869

1864

1961

1972

As distal end humerus forms hinge joint with

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Radius

Ulna

Tibia

Both a & b

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