Biology - Mock Test 287

Question 2861

Occurrence of Zoochlorellae in the body wall of Hydra is an example of?

A) a predation B) a food chain involving a parasite C) commensalism D) mutualism

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Question 2862

What is the name given for an association of two species where one is benefited and other remains unaffected or unharmed?

A) Parasitism B) Symbiosis C) Commensalism D) Predation

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Question 2863

Among the following, which plant is completely devoid of roots?

A) Ceratophyllum B) Hydrilla C) Vallisneria D) Azolla

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Question 2864

Desert can be converted into green land by?

A) halophytes B) psammophytes C) tropical trees D) oxylophytes

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Question 2865

Mechanical tissues are very poorly developed in?

A) xerophytes B) halophytes C) hydrophytes D) lithophytes

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Question 2866

Which one of the following binds with hemoglobin irreversibly?

A) Carbon dioxide B) Carbon monoxide C) Ethane D) Nitrogen

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Question 2867

Most of the carbon dioxide in the blood is carried in the form of?

A) Carbonic aci4⃣ B) Bicarbonates C) Carbaminohemoglobin D) 2⃣ Bicarbonates 3⃣ Carbaminohemoglobin

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Question 2868

Which is present in the kidney?

A) Glomeru1us B) Ciliated nephron C) Middle kidney duct D) Nephridia

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Question 2869

Function of glomerulus in mammalian kidney is ?

A) Rebsorption of salts B) Urine formation through blood filtration C) Urine collection D) All of the above

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Question 2870

Long loops of Henle correlate with?

A) More concentrated urine B) More dilute urine C) Urine hypotonic to the blood D) Urine isotonic to the blood

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