Question # 1

Spirochete is a bacterium.

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Aerobic

Anaerobic

Facultative

Microaerophilic

Prions are made up of.

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Lipids

Nucleic Acid

Proteins

None of these

Energy poor inorganic oxidized compounds are reduced to energy rich carbohydrates duirng.

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Photosynthesis

Growth

Respiration

Development

Which one of following is not a polysaccharide.

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Chitin

Cutin

Pectin

Dextrin

________ is not a terpenoid.

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Rubber

Steroids

Terpenes

Waxes

The heart of the fist is single circuit and the blood flows in

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Two direction

One direction

One and two direction

Reverse direction

The branch of biology which deals with the study of ancestral history of living organisms is called.

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Paleontology

Genetics

Evolution

Heredity

The first in the Krebs cycle is the union of acetyl CoA with Oxaloacetate to form.

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Citrate

Fumarate

succinate

Acetate

The shrinkage of protoplast of a cell

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DE plasmolysis

Incipient plasmolysis

Guttation

Plasmolysis

Chlorophyll 'a' of photosystem I absorbs maximum light of.

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670 nm

700 nm

680 nm

690 nm

The digestive cacuoles and autophagosomes are also called.

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Primary lysosomes

Secondary Lysosomes

Endocytosis

All above

Part of brain which controls breathing, heart rate and swelling is.

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Cerebrum

Medulla

Mid Brian

Cerebellum

Temperate deciduous forest are located in Pakistan at.

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Chilas

Mian wali

Shogran

Sindh

Armadillos the armoured mammals live only in the

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Africa

America

Europe

Asia

The sclerenchyma cells found in seed coats and nut shells are the

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Fibres

Vessels

Tracheids

scleriedes

The pairing of homologous chromosomes is completed in

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Leptotene

Zygotene

Pachytene

Diplotene

The living organisms producing their own food.

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Heterotrophs

Consumers

Green plants

Decomposers

Which part of the air passage way possesses chartilage plates in its wall?

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Bronchiles

Distal religion of bronchi

Phroximal region of bronchi

Trachea

Annual rain fall in deserts is less than

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25 to 50 cm

10 to 22 cm

15 - 25 cm

20 to 40 cm

Which of the following polymerase synthesize tRNA.

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RNA Polymerase -I

RNA Polymerase -III

RNA Polymerase -II

DNA Polymerase

Cancer is caused mainly by mutation in.

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somatic cells

Sex cells

Malignant cells

Reproductive cells

The disorder in which bones are porous and thin but bone composition normal is:

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Osteomalacia

Osteoporosis

Rickets

Arthritis

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