Biology MCQs

1. Stapes, the smallest and the lightest bone in human body, is the part of which organ ?
[A] Ear
[B] Nose
[C] Neck
[D] hand

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2. An example of Protozoa, Anthropod, Aves, Mammal & Reptile is respectively __________?
[A] Amoeba, Lizard, Scorpion , Bat, Hen
[B] Amoeba, Scorpion, Hen, Bat , Lizard
[C] Amoeba, Scorpion, Bat ,Hen, Lizard
[D] Lizard, Amoeba, Scorpion, Bat ,Hen

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3. Which of the following is a Gymnosperm?
[A] Cashew
[B] Chilgoza
[C] Pistachio
[D] None of the above

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4. What is the average life of Red Blood cells in our body?
[A] 30-40 days
[B] 70-80 days
[C] 100-120 days
[D] 160-180 days

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5. The Science of using mechanical devices with human muscle skeleton and nervous systems to assist or enhance motor control lost by trauma, disease or defect is called:
[A] Gerontechnology
[B] Biomechatronics
[C] Orthotics
[D] Bionics

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6. Hyponatremia and Hypernatremia are common electrolyte disorders resulting due to imbalance of which of the following?
[A] Sodium
[B] Potassium
[C] Calcium
[D] Iron

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7. Which hormones does pancreas secret?
[A] Testosterone
[B] Progesterone
[C] Prolactin
[D] Glucagon and insulin

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8. Which of the following is the hybrid between a horse and a donkey?
[A] Mule
[B] Hule
[C] Tigon
[D] Zorse

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9. Which of the following is the largest invertebrate?
[A] Arthropod
[B] Echinoderm
[C] Mollusc
[D] Sponge

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10. Which of the following are chlorophyll-bearing, simple, thalloid, autotrophic and largely acquatic(both fresh water and marine) organisms?
[A] Gymnosperms
[B] Bryophytes
[C] Pteridophytes
[D] Algae

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