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Biology

Biology
Ribosomes are produced in

Mitochondria
Non of the above
Plasmid
Nucleolus

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Biology
Goitre is due to the deficiency of

Calcium
Iodine
Selenium
Zinc

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Biology
Which of the following has the largest number of chromosomes?

Human beings
Pteridophytes
Bryophytes
Elephants

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Biology
Source of infection in diseases like Tuberculosis, Mumps and Whooping cough is

Droplets of saliva
Direct contact
A vector
Carrier organism

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Biology
Water molecules enter plant epidermal cells by

Osmosis
None of these
Active Transport
Translocation

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Biology
________ helps the eye to adjust the focal length of the lens.

Lens
Ciliary body
Retina
Entire eye ball

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