Biology - Mock Test 227

Question 2261

Brown fat present in certain mammals is specialized in?

A) Providing insulation in cold environment. B) Providing insulation in hot environment C) Rapid heat production. D) Controlling heat production

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Question 2262

Normal body temperature in mamals like human beings is?

A) 26 - 28?C B) 36 - 38?C C) 46 - 48?C D) 56 - 58?C

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Question 2263

Bats & humming birds belong to?

A) Endotherms B) Ectotherms C) Heterotherms D) Homeotherms

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Question 2264

Fishes, most of the invertebrates and amphibians are examples of ______ animals?

A) Endotherms B) Ectotherms C) Heterotherms D) Homeotherms

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Question 2265

Animals that produce metabolic heat at low level and also absorb heat from the surroundings are called?

A) Endotherms B) Ectotherms C) Heterotherms D) Homeotherms

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Question 2266

Which adaptation is acquired by plants of cooler areas to prevent lipid crystal formation in cell membrane?

A) Change in membrane protein composition. B) Change in the solute composition of the cell membrane which prevents crystallization. C) Increase in proportion of unsaturated fatty acids. D) Development of heat shock proteins

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Question 2267

Formation of heat shock proteins in plants results in?

A) Elevation of temperature in cold conditions. B) Embracing the enzymes and other proteins and prevent their denaturation. C) Change the chemical nature of other proteins thus making them heat resistant. D) Help in evaporative cooling

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Question 2268

Which of the following treatment will be administered first in a newly diagnosed renal failure patient?

A) Renal transplant B) Peritoneal Dialysis C) Lithotripsy D) Hemodialysis

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Question 2269

Which of the following mechanism explains development of anemia in Renal failure?

A) Failure of bone marrow is accompanied with renal failure. B) Destruction of RBC results from accumulated urea in the bloo4⃣ C) Chronicity of the disease is respobsible for anemia D) 3⃣ Chronicity of the disease is respobsible for anemia

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Question 2270

A stone measuring 0.4 cm, blocking the outlet of renal pelvis resulting in mild to moderate tract obstruction. Which of the following technique will be opted to remove this stone?

A) Kidney surgery B) Burring a hole and removing the stone manually (nephrolithotomy) C) Extracorporeal Shock wave lithotripsy D) None of these

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