Question # 1

Diploid (2n) is:

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Egg cell

Sperm cell

Zygote

Endosperm

Find the INCORRECT statement:

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Bone is where most blood cells are made.

Bones serves as a storehouse for various minerals.

Bones is a dry and non-living supporting structure.

Bone protects and supports the body and its organs.

Which one of the following have exoskeleton?

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Arthpods

Birds

Mammals

Reptiles

Transmission of characteristics from parents to offsprings is called as:

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Replication

Inheritance

co-dominance

Mutation

These are unit of inheritance :

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Genes

Alleles

Phenotype

Genotype

Which gas us absorbed through stomata of plant during night?

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Carbon dioxide

Oxygen

Nitrigen

Hydrogen

Which scientist discovered the antibiotic penicillin?

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Joseph Lister

Sir Alexander Fleming

Ian Wimut

Edward jenner

A material which contain weakened pathogen is called.

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Vaccines

Antigene

Antibodies

Antiboitic

A group of organisms of the same species inhabiting a species geographical area ta a particular time is called:

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population

community

ecosystem

species

Which of the following is not an example of green house gas?

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CO₂

Methane

Oxygen

Nitrous oxide

The cells of cartilage are called:

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Chondrocytes

Osteocytes

Collagen

Osteo clast

In man the correct passage of air is:

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nostrils, nasal, cavit, pharynx, trachea, arynxl, bronchi, bronchioles alveolar,duct, aleoli

nostrils, nasal cavity, Pharynx, larynx , bronchi, trachea , bronchioles , alveolar duct, alveoli

Notrils , nasal, cavity, larynx, pharynx, trachea,bronchioles, alveolar, duct alveoli,

Nasal cavity, nostrils, larynx, pharynx, alveoli , trachea bronchi, bronchioles ,alveolar dict ,

In fungi, the spore is covered by a thick wall called.

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Spore formation

Sporophyte

Cyst

Endospores

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