Question # 1

The productivity can be indicated by.

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Consumption of CO2

Consumption of O2

Evolution of CO2

Evolution of N2

Human skin colour is controlled by gene pairs.

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Two to four

Three to six

Four to six

Six to ten

Which one is not a bone of axial skeleton

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Ribs

Sternum

Pelvic

Cranium

An antibody made by soybeans can be used as treatment for

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AIDS

Herpes simple

Genital Herpes

Hepatitis c

Some individuals leave behind more progeny than others and teh rate at which they do so is affected by their inherited characteristics. This is called.

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Non random mating

Selection

Migration

Mutation

Human cells contain types of tRNA molecules.

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20

45

195

300

There are__ muscles in the human body., most of which occur in pairs.

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650

630

660

645

DNA changes are called mutations and the organisms that have undergone such changes are called

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Wild types

Changer

Mutants

Transmutants

The polymerase chain reaction was developed in 1983 by

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Kary B. Mullis

Gottlieb Haberiandt

Theodore M. Klein

Craig venter

Arthritis covers over 100 different types of inflammatory or degenerative diseases that damage the

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Legs

Arms

Sutures

Joints

In Meselson ansd stahl experiment, the DNA from sample at 20 minutes, after centrifugatioon it made sediments at the :

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Top

Bottom

Intermediate

Top & intermediate

Syphilis is caused by a spirochete named as.

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Nisseria gonorrhea

Theponemapallidum

Escherichia coli

Hypomicrobium

Mendel called the offspring of first parents as

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F₁

First filial generation

Both a & b

First generation

Which of the following is vestigla organ of whale.

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Pelvis

Leg bones

Pelvis and leg bones

Lungs

Most efficient way of supporting the body is seen.

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Fishes

Aves

Reptiles

Mammals

The simplest form of learning behaviour is

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Imprinting

Habituation

Latent learning

Insight learning

Oxone molecule is made up by binding of three atoms of

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Nitrogen

Oxygen

Hydrogen

Carbon

The total energy from the sun is happened by the producers in an ecosystem is about?

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20 %

10 %

5 %

1 %

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