Question # 1

The main tracheal trunk in cockroach communicates with exterior by

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100 pairs

10 pairs

8 pairs

4 pairs

The reasoning that moves from general to specific is

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Deductive

Inductive

Scientific

Theocratical

Neries belongs to class

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Polychaeta

Hirudinea

Oligocheaeta

Crustacea

Many human become ill from consuming milk and milk products because they lack

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Bacteria in their intestine

Rennin

Lactase

Hydrochloric acid

Common name for Anchyclostoma duodenal is.

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Pin worm

Tape worm

Hook worm

Earth worm

Which statement about the chemiosmotic mechanism is not true

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Protons return through the membrane by way of a channel protein

Proton are pumped across a membrane

Proton pumping is associated with the respiratory chain

Has no connection with the respiratory chain

Parmella is an example of.

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Fruticose lichen

Foliose lichen

Crustose lichen

Moss lichen

Two kinds of spores are present.

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Lycopodium

selaginella

Anthoceros

Adiantum

Human tissues contains about 20% water in.

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Brain cells

Bone cells

Kidney cells

Skin cells

The animal which feed on organic debris are

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Herbivores

Carnivores

Omnivores

Detrivores

Who proposed the kingdom protista for microscopic organisms

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Whittaker

Hogg

Copeland

Haeckel

The most toxic substance routinely found in the blood are metabolities of what type of molecule?

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Proteins

Carbohydrates

Nucleic acids

Fats

High degree of renal failure is also called as.

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uremia

Leukemia

Anemia

Lithotripsy

Downs syndrome (Mongolism) occurs in man during which 21^st chromosome falls to segregate resulting gamete with

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20 chromosomes

21 chromosomes

22 chromosomes

24 chromosomes

Blue cone monochromacy is also called

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Red - green colour blindness

Red - blue colour blindness

Green - blue colour blindness

Yellow - blue colour blindness

Mammalian kidney including human is adapted to conserve water upto.

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69.5%

79.5%

89.5%

99.5%

The light effective in preventing flowering in cocklebur is.

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Blue light

Red light

Yellow light

Orang light

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

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Grass land

tundra

Coniferous alpine forest

Temperate deciduous forest

Which trait is transmitted directly from an affected father to only his sons.

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X - linked

Y - Linked

x and y linked

Autosomal

The incidence of calcium oxalate type stones are.

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40%

50%

60%

70%

Innate behavior is all except;

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Coded in DNA

Modified in individuals life span

Modified with species evolution

Programmed responses to external stimuli

Abscisic acid can be sprayed on tee crops to regulate

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Leaf drop

Shoot drop

Cone drop

Fruit drop

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