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Tuesday 11 June 2024

Biology MCQs Part 36 | NTS Biology MCQs With Answer

Pak MCQs Is Educational Website Providing All Types of MCQS  for All Exams and jobs employment test and specially for NTS, ECAT MCAT, CSS, PPSC, ETEA

Biology  Mcqs for Preparation specially for NTS, ECAT MCAT, CSS, PPSC, ETEA ,KPSC, EPPSC, PPSC, , and other test. here you will find Biology  mcqs.

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341. What is the ability of an organism to maintain its internal environment in a constant state called?

    a) Thermoregulation  

    b) Homeostasis  

    c) Osmoregulation  

    d) Excretion

342. Which of the following are the most important components of the internal environment affected by fluctuations in the external environment?

    a) Oxygen, Carbon dioxide, and Temperature  

    b) Food, Water, and Light  

    c) Water, Solutes, and Temperature

    d) Minerals, Vitamins, and pH

343. Who coined the terms 'internal environment' and 'external environment'?

    a) Charles Darwin  

    b) Louis Pasteur  

    c) Claude Bernard

    d) Gregor Mendel

344. What is the process called by which organisms maintain the water-solute balance in their bodies?

    a) Thermoregulation  

    b) Osmoregulation

    c) Excretion

    d) Homeostasis

345. What is the elimination of harmful solutes and extra water from the body called?

    a) Homeostasis  

    b) Osmoregulation  

    c) Thermoregulation  

    d) Excretion

346. What do enzymes require to work best in metabolic reactions?

    a) High pH levels  

    b) Low solute concentration  

    c) Suitable body temperature  

    d) Abundant oxygen supply

347. What is the term for maintaining internal temperature within a tolerable range?

    a) Homeostasis  

    b) Thermoregulation  

    c) Osmoregulation  

    d) Excretion

348. Which of the following is NOT a function of homeostasis?

    a) Regulating water-solute balance  

    b) Eliminating harmful solutes  

    c) Producing metabolic energy

    d) Maintaining internal temperature

349. In the context of homeostasis, what is osmoregulation primarily concerned with?

    a) Temperature control  

    b) Waste elimination  

    c) Water-solute balance

    d) Energy production

350. Why is thermoregulation important for enzymes in the body?

    a) It provides energy for enzymes to function  

    b) It increases the solute concentration for enzyme activity  

    c) It ensures enzymes work at their optimal temperature

    d) It decreases water loss from enzymes

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