Question # 1

The bio element which accounts 18% of total mass in human body is

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Oxygen

Hydrogen

Carbon

Nitrogen

Sides of Digestion in the digestive system of man are.

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01

02

03

04

Optimum pH value for enzyme pepsin is.

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4.50

9.00

2.00

5.50

Primary host of tape worm is.

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Man

Cattle

Sheep

Snail

Human tissue contains about 20% water in.

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Kidney

Bone cells

skin cells

Brain cells

If non protein part is loosely attached to proteins it is known as.

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Cofactor

Co enzyme

Active site

Holo ezyme

In amphibians the necessary requirements to spend their life history include

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Water

Land

Both water and land

None of these

Resolution of human naked eye is.

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162

262

242

252

The electron transport chain system play role in generation of ATP by.

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Photosynthesis

Chemiosmosis

Dark reaction

Photosynthesis

The animals which ingest food in liquid form are called.

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Carnivores

Filter feeders

Fluid feeders

Macrophageous feeders

The main tracheal trunk in cockroach communicates with exterior by

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100 pairs

10 pairs

8 pairs

4 pairs

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

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Stomach

Liver

Kidney

Gut

Vehicle for transport of male gamete in land plants is

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Water

Pollen tube

Pollen grain

Wind

Most of the major orangs of embryo are formed within the.

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10 week

12 week

14 week

15 week

In nature to p730 conversion occurs in.

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Light

Evening

Morning

Dark

Between the seminiferous tubules are interstitial cells which secrete

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Cestrogen

Testosterone

Progesterone

Oxytocin

Fibroblasts and osteoblasts migrate into the fracture site and begin to construct

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Bone

Cartilage

Muscle

Joint

The pigment free area that appears at the time of fertilization is called.

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embryo

Gray crescent

Yolk

White cytoplasm

Which of the following statements conserning the role of Ca⁺² inthe contraction of skeletal muscle is correct?

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The mitochondria act as a store of Ca⁺²for the contractile process

Ca⁺²entry across the plasma membrane is important in sustaining the contraction of skeletal muscle

A rise in inter cellular Ca⁺²allows actin to interact with myosin

The tension of a skeletal muscle fiber is partly regulated by G proteins muscle

In bacterial and viral infections, pathogens and leukocytes cell produce a chemicals called.

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Pyrexia

Toxins

Affatoxins

Pyrogen

Bowman capsule continues as extensively convoluted proximal tubule loop of henie and the distal tubule which empties into

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Collecting tubules

Malpighian tubules

Renal tubules

Neural tubules

Deficiency of vasopressin or ADH by the pituitary gland leads to a disorder in which the patients kidney have lessoned ability to absorb water is:

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Diabetes mellitus

Diabetes insipidus

Goiter

Exophthalmic goiter

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