Question # 1

In which succulent organs present?

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Hydrophytes

Mesophytes

Xerophytes

Halophytes

The points of attachment of genes on chromosomes are called.

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Transcription

Translation

Loci

Phenotype

Point out the FALSE statement about respiration.

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Gases can easily pass through the walls of the alveoli

Gas exchange in lungs is very efficient because lungs provide large surface area

In emphysema, the walls of alveoli break and there is more surface area.

Dust particles can damage the lung by irritating the inner alveoli surface.

They receive information , interpret them and stimulate motor neurons:

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Sensory Neurons

Inter Neurons

Motor Neurons

Mixed Neuros

Which is the correct order for the path taken by urine after it leaves the kidneys?

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Urethra, bladder, ureters

Bladder, ureters, urethra

Ureters, bladder , urethra

Bladder, urethra, urelers

the type of symbolic association in which partner gets benefits while other is neither benefited nor harmed is called:

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Commensalism

Mutualism

Parasitism

Predation

DNA is surronded by a protein and form a structure called:

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Nucleotide

Nucleoside

Nucleosome

Nucleus

All populations collectively are called:

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Species

Biome

Community

Ecosystem

Conversion of urea and uric acid into Ammonia is called.

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Assimilation

Nitrogen fixation

Ammonification

Biological fixation

Transmission of character (traits) from parent offspring is called:

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Inheritance

Mutation

Regeneration

Reproduction

These are unit of inheritance :

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Genes

Alleles

Phenotype

Genotype

The loss of water from plant surface in the form of vapours is called.

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Transpiration

Guttation

Excretion

Thermoregulation

How many genetically different kinds of gametes an individual with genotype AAbb can produce?

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1

2

4

9

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