Question # 1

Shape of the plant cell does not change greatly compared with an animal cell because it is surrounded by a rigid

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Cell membrane

Capsule

Sheath

Cell wall

Cell cycle involves.

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Growth of cell

Replication of DNA

Cell division

None of these

Each Okazaki fragment is synthesized by.

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RNA Polymerase

DNA polymerase

DNA polymerase I

DNA polymerase III

A change in the community structure of an ecosystem over a period of time is:

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Ecological niche

Ecological mutation

Succession

Genetic Drift

The series of changes which involve period of growths replication of DNA followed ny cell division may be named as

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DNA cycle

Nuclear cycle

Cell cycle

Chemical cycle

DNA finger prints can also be used as

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Crime evidence

Forensic evidence

Litigation evidence

Offence evidence

Meristem is.

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Fungi free

Virus free

Bacteria free

Pathogen free

The most toxic substance routinely found in the blood are metabolities of what type of molecule?

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Proteins

Carbohydrates

Nucleic acids

Fats

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

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13 types

20 types

25 types

30 types

The children with "SCID" lack an enzyme.

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a galactosidase

Phenylalanine hydroxylase

Adenosine deaminase

Succinic dehydrogenase

The skeletal muscles are attached with the bones through the.

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Tendon

Ligament

7-Line

Cross bridge

Interphase can further be divided into

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G₁-phase,S-phase and G₂-phase

G₁-phase,G₂-phase and G₃-phase

S₁-phase,S₂-phase and S₃-phase

S₁-phase,G-phase and S₂-phase

Desert ecosystem of Bhakkar and Mian wali is called.

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Thal

Thar

Cholistan

Rohi

An example of long day plant is

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Tomato

Cabbage

Corn

Soyabean

Pressure filtration is kidney specifically occurs at

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Vasa recta

Bowmann's capsule

Urine collecting

Loop of henle

An increase in plant girth due to activity of cascara cambium is called.

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Primary growth

Secondary growth

Heart wood

Sap wood

Which animal has diffused nervous system.

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Octopus

Earthworm

Planaria

Jelly fish

The animal that is caought and eaten is called.

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Prey

Parasite

Predator

Host

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