Question # 1

Plants lacking ............ appear chlorotic.

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Ca

Mg2

Mn

All

Who suggested that mosquitoes are involved in the transmission of malaria?

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Laveran

Ronald Ross

A.F.A king

None of these

The chromosomes are arranged along the equator of spindle in:

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Prophase

Telophase

Anaphase

Metaphase

Cell theory was proposed by:

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Theodor Sachwann

Mathias Schleiden

Both a & b

None

Cytokinesis in animals take place by:

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Furrow

Phragmoplast

Telophase

None of these

Pus is formed from which of the following dead white blood cells?

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Lymphocytes

Eosinophils

Monocytes

Basophils

_______________ described the nucleus as characteristics spherical body in plant cells.

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Robert hooke

Robert Brown

Leeuwenhoek

Dolland

In which stage of the cell cycle, the cell is preparing enzymes for chromosome duplication.

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G1

G2

S

M

Families are grouped into _____________

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Classes

Phyla

Order

Species

Which of the tissues make the glandular tissue in animals.

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Epithelial

Connective

Muscular

Nervous

To waht category of molecules do enzymes belong?

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Carbohydrates

Lipids

Nucleic acids

Proteins

The pathway followed by the nerve impulses for producing a reflex action is called.

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Reflex action

Reflex arc

Neuron

Spinal card

All populations collectively are called:

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Species

Biome

Community

Ecosystem

The optimum temperature for the germination of the seeds of most plants ranges from:

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20 - 30 ^oC

25 - 35^oC

25 - 30^oC

20 - 25^oC

Overall, the human skeleton is made of bony framework but in certain parts it is supplemented by:

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Blood Vessels

Bone

Cartilage

Nerves

The Allele which is not expressed is called:

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Dominant

Recessive

Homozygous

Hetrozygous

The materials flow from one trophic level to the next by means of:

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Food chains

Food web

Both a & b

None of these

Organisms that make their own food with help of sunlight, CO and H₂O are called.

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Consumers

Producers

Decomposers

Predators

Drug derived from minerals.

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Morphine

Aspirin

Antitoxin

Tuncher iodine

Cartilage is made up of:

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Matrix

Collagen

Chondrocytes

Ligaments

A muscle which contract and straightens the joints called;

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Flexor

Receptor

Exrensor

Effector

R-3 means.

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Less use

Reuse

Recycle

Refuse

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