Question # 1

pH gradient drives the formation of ATP across membrane in the process called.

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Respiration

Chemiosmosis

Conduction

Calvin cycle

Sea urchin belong to sub class.

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Arthropoda

Echinodermata

protozoa

Annelida

The length of jejunum is about.

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2.8 m

2.4 m

1.4 m

2 m

The study of parasite is called.

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paleontology

Histology

Microbiology

Parasitology

Family Roasceae has ...... genera in Pakistan

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27

29

30

31

The number of edible mushroom species are about.

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100

200

300

400

Which is found in primary well

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silica

Pectin

Lignin

Cutin

In amoeba digestion is.

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Intracellular

Extracellular

a and b both

None of these

Cap sonars a substitutes which for an capsid viral These capsomeres are chemically.

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Lipids

Nucleic acid

Paramelitids

Carbohydrates

Absorption of blue light is maximum at

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430 nm

550 nm

750 nm

670 nm

Taste buds of tongue play important role in food.

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Digestion

Selection

Lubrication

Mastication

If all members of a population are homozygous for the same allele that allele is said to be

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Multiple allele

Jumping gene

Fixed in the gene

Perfect gene

DNA finger prints can also be used as

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Crime evidence

Forensic evidence

Litigation evidence

Offence evidence

Hypoblast is mainly presumptive

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Endoderm

Mesoderm

Ectoderm

Blastoderm

Which enzyme acts as molecular scissors.

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DNA ligase

DNA polymerase

RNA polymerase

Restriction endonuclease

Histones are positively charged due to an abundance of the basic amino acids

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Arginine

Lysine

Both a & c

Alanine

Interphase period can be divided into.

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G1,G2, G3

G1, G2, F1

G1, S, G2

S1, G1, S2

Each bivalent has

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Twochromatids

Four chromatids

Both a & b

None of these

In sickle cell anemia code for glutamic acid is replaced by.

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Leucine

Valine

Proline

Histidine

Resting membrane potential of a neuron is

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50 mv

-70 mv

-60 mv

-80 mv

An unwanted clone of cells and establishment of secondary areas of growth is called.

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Tumor

Growth

Lump

Swelling

Identify the day neutral plant.

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Cabbage

Cotton

Tobacco

Cocklebur

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