The number carpels in our feet is__________?

A: 7

B: 14

C: 16

D: (0) Zero

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(0) Zero

Oxygen is the production of____________?

A: Mitochonderia

B: Chloroplast

C: Peroxisomes

D: Both A & B

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Chloroplast

The method of reproduction of new plants by cells instead of seed is known is:___________?

A: Tissue culture

B: Mutation

C: Antibiosis

D: Recombination

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Tissue culture

The cardio respiratory capacity is related to____________?

A: Strength

B: Flexibility

C: Normal physical endurance

D: Agility

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Normal physical endurance

Ultra Microscopic viruses are the main cause of__________?

A: Malaria

B: Measles

C: Mumps

D: Cholera

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Mumps

Which is NOT an example of a microbial symbiosis?

A: bacteria in the human colon

B: tapeworm in the cow intestine

C: bacteria passing through the placenta

D: protozoans found within termites

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bacteria passing through the placenta

The first ever vascular plants are_________?

A: Cooksonia 

B: Selaginella

C: Adiantum

D: Dryopteris

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Cooksonia

Circular disc shaped structure with a round hole is ___________ ?

A: Iris

B: Pupil

C: Horoid coat

D: Ciliary body

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Iris

The higher animals have special organs for exchange of gases as their skin is ___________ ?

A: Thin

B: Thick

C: Soft

D: Hard

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Thick

Dorsal root of spinal nerves contain only __________ ?

A: A. Effectors neurons

B: Receptor neurons

C: Stimulators

D: Detector neurons

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Receptor neurons

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