Question # 1

In eukaryotic mRNA molecule there are 90 nucleotide involved in translation process. What is the number of amino acid in the protein formed by this mRNA molecules?

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29 Amino acids

30 Amino acids

45 Amico acids

90 Amino acids

Which neurons have long axon.

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Sensory

Motor

Cell body

Associateive

Reproduction is very important to the survival of.

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Species

Individual

Population

Community

The zone, rich in life, in a fresh water lake is called.

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Littoral zone

Profundal zone

Limnetic zone

Deseret

In grassland ecosystem annual rainfall is about 250 to

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350 mm

450 mm

650 mm

750 mm

End product of hemoglobin breakdown is.

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Uric acid

Urea

Bilirubin

Ammonia

Trial and error learning has no role in

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Operant learning

Classical conditioning

Insight

Imprinting

Movement shown by sperms of liver Worts, mosses, forns towards archegonia is a.

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chemotactic movement

Photoactic movement

Chemotropic movement

Phototropic movement

The total energy of the sun, trapped by the producer in an ecosystem is about.

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20%

01%

10%

30%

A willow 10 centimetres (4 inches) high may have a trunk 7 centimetres (3 inches) in diameter and be 50 years old in

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Taiga

Tundra

Desert

Savanna

ABO system has four different phenotypes which are distinct from each other on the basis of specific antigens on the surface of

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Mitochondria

Gogli bodies

RBC

Centrioles

The genes found in a breeding population constitute.

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Genotype

Gene pool

Genome

Gene frequency

In human Eustachian tubes connect middle ear with

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Nose

Eye

Throat

Brain

An ordered sequence of irrversible steps with each step setting up the necessary conditions for the next step is

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Embryology

Growth

Development

None of these

If the amount of adenine in DNA of a bacterial cell is 36% of the total nitrogenous bases, what will be the amount of guanone in the DNA of a cell in next generations:

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14 %

28 %

36 %

64 %

Every gene starts with initiation codon AUG which encodes for the amino acid.

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Lysine

Serine

Proline

Methionine

Percentage of its recombination frequency.

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20

40

60

80

A clear picture of the genetic basis of sex determination emerged after the discovery of

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Autosomes

X chromosomes

Sex chromosomes

Y chromosomes

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