Question # 1

Mosquito Injects___ into human body.

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Merozoites

Gametocytes

Sporozoites

Oocytes

The plant of sphenopsida is also called as.

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Angiosperms

Gymnosperm

Mosses

Arthrophytes

One of the following has flagella rarely

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Diplobacilli

Spiral

Cocci

All of above

Hydra is the example of.

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Tentacular feeding

Fiter feeding

Pluid feeding

scraping feeding

Chemical nature of most cellular secretions is.

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Proteins

Lipids

Glyco proteins

Carbohydrates

The common name of Allium cepa is.

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Piyaz

Bathu

Channa

None of these

Plasma proteins carry about____________% CO2 from body fluids to lungs.

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1%

2%

4%

5%

Irreversible inhibitors form which bonds active site.

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Hydrogen bonds

Covalent bonds

Ionic bonds

Hydrophobic bond

When cocci occur in pairs, their arrangement.

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Tetrad

Diplococcus

Streptococci

Sarcina

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

An outer flexible covering of ciliates is.

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Cell wall

Pellicle

Sheath

Cuticle

Perhaps the most fragile of all the biomes, because of its short growing season is.

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Tundra

Desert

Grass land

Temperate deciduous forest

The most concentrated external environment is termed as.

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Hypotonic

Hypertonic

Osmotic

Isotonic

A collection of bacterial and phage viruses clones containing a particular segment of DNA from the source cell is called.

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Expressing system

Genome

Genomic library

Recombinant DNA

How many types of finches did Darwin collect on Galapagos Island.

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13 types

20 types

25 types

30 types

Osteomalacia includes a number of disorders in which bones receive inadequate

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Water

Oxygen

Mineral

Blood

Inheritance of skin colour in man is controlled by eight pairs of genes , which are:

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Linked

Codominent

Multiple alleles

Assorting independently

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

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Panting

Shievering thermogenesis

Thermoregulation

vasodilation

The Idea of endosymbiont was purposed by

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Cuvler

Lyell

Malthus

Margulis

The hormones which promote boating of some roseate plants is known

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Auxins

Gibberellins

Ethene

Cytokinin

Hemophilia is

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X linked dominant trait

X linked recessive trait

Sex influenced trait

Sex limited trait

In grassland ecosystem annual rainfall is about 250 to

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350 mm

450 mm

650 mm

750 mm

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