Question # 1

There are _______________ chromosomes in onion.

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46

18

16

23

Plasma contains .................. % water.

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10%

7%

90%

2%

Kingdom Monera include.

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Bacteria

Euglena

Fungi

Plants

Which of the following movement requires energy in the form of ATP?

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Diffusion

Osmosis

Active transport

Facilitated diffusion

Any environment factor, the absence or deficiency of which can decrease the rate of a metabolic reaction known as:

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Unlimited factor

Limiting factor

Both

None

Valves to prevent the backflow of blood are found in the:

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Arteries

Veins

Capillaries

All of the above

____________ classify animals.

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Linnaeus

Aristotle

Drawin

None

In plants, _______________ conduct water.

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Xylem

Phloem

Both

None

ABO blood group system was discovered in 1901 by .................. .

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Camillo

Karl land Steiner

Robert Hooke

Mathias Schleiden

Endoplasmic Reticulum is of .................. types.

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1

2

3

4

The body of which organism consists only of RNA?

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Prions

Viroids

Viruses

Algae

During binary fission, the nucleus of parent organism divides into two by:

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Sexual reproduction

Meiosis

Mitosis

None of these

Example of hydrophyte plants is.

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Grass

Sea grass

Catus

Water lilly

The rise of the bread is due to;

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carbon dioxide

ethanol

acetaldehyde

pyruvic acid

For which purpose antobiotics are use:

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For virul infections

For treatment of becterial infection

Against infection

A and B both

Vegetative propagation by leaves is found in:

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potatoes

brybhyllum

ginger

onions

It is not a disorder of skeletal muscle:

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arthritis

osteoporosis

tatney

osteo-arthritis

The hard outer layer of a bone is called;

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Bone marrow

Hyoid bone

Spongy bone

Compact bone

Genetics is the branch of biology in which we study:

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Functions

Fossils

Inheritance

Evlution

The number of ribs of chest wall is:

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Fourteen pairs

Twelve pairs

Ten pairs

Thirteen pairs

Abiotic component of ecosystem is:

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Producers

Herbivores

Camivore

Oxygen

What is the function of the ureter?

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To store urine.

To carry urine from the kidney to the bladder

To carry urine out of the body

To remove waste from the blood

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