Question # 1

A group of similar cells that perform similar function is

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Organ

Organelles

Tissues

System

The classification of algae into phyla is largely based on the composition.

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Cell wall

Cell membrane

Pigments

Cytoplasm

Important vector is modern genetic engineering is.

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Nucleoid

Mesosome

Plasmid

Ribosome

Respiratory pigment present in muscle is called.

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Hemoglobin

Globulin

Myoglobin

Hemocyanin

An activated enzyme made of polypeptide chain and a co-factor is

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Substrate

Co-enzyme

Apoenzyme

Holoenzyme

Which one is not the layer or wall of heart.

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Pericardium

Myocardium

epicardium

endocardium

the light falling on leaf surface is absorbed about.

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1%

25%

50%

100%

Single circuit heart is found in.

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Fishes

Bird

Reptiles

Mammals

Round worm are.

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Acoelomates

Pseudocoelomates

Coelomates

None of them

The final product of glycolysis by is

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Citrate

Pyruvate

Fumarate

Malate

To accommodate euglena like organisms and bacteria, kingdom Protista was proposed by

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Linnaeus

E Chatton

Robert Whittaker

Ernst Haekel

On the basis of structure and shape of the cap,two species of Acetabularia have been identified

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Acetabularia mediterrance & A.crenulata

A.typhi & A.mediterranea

A.crenulate & A.sisso

A.crenulata & A.arabica

Transfer of genetic material from one cell to other that can alter the genetic make up of recipient cell is called.

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Transcription

Replication

Translation

Transformation

Trial and error learning has no role in

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Operant learning

Classical conditioning

Insight

Imprinting

Primary tissue is added by the

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Lateral meristem

Underground meristem

Apical meristem

Vertical meristem

Hatching period of chick is.

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15 days

18 days

21 days

28 days

Mendel called the offspring of first parents as

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F₁

First filial generation

Both a & b

First generation

The simplest form of learning is

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Habituation

Latent learning

Imprinting

Insight learning

According to one of the speculations life may have begun deep in the oceans in underwater hot springs called hydrothermal

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Apertures

Gaps

Vents

Outlets

Which one of the following is endangered in Pakistan.

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Indian rhino

Indus Dolphin

tiger

Cheer pheasant

In incubating eggs artificially the incubators are usually regulated at temperature between

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20 - 22^oC

27 - 29^oC

30 - 32^oC

36 - 38^oC

The execratory product with require minimum water for its removal.

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Urea

Uric acid

Creatinine

Ammonia

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