Biology Homeostasis Test Mcqs Online Preparation Biology Homeostasis Test Mcqs With Answers Online Preparation Start Below 123456789101112131415Show paginator Hide paginator 7% Question 1 of 15 1. Most marine invertebrates areA. OsmoregulatorsB. OsmocorifermersC. None of theseD. Both a & bQuestion 1 of 15 Loading... Question 2 of 15 2. Apart from urea, which of these does mammalian urine also contains:A. WaterB. Ammonium compoundC. SueroseD. ProteinQuestion 2 of 15 Loading... Question 3 of 15 3. Which of the following is related to pyrexia?A. Caused by bacterial infectionB. All a, b & cC. Leukocytes increase in numberD. Caused by viral infectionQuestion 3 of 15 Loading... Question 4 of 15 4. Citrulline is formed by the reaction ofA. Ornithine + 2CO2 + ammoniaB. 2 Ornithine + ammonia + CO2C. Ornithine + ammonia + CO2D. 2 ammonia + CO2 + ornithineQuestion 4 of 15 Loading... Question 5 of 15 5. Which of the following statement is true?A. Thick loop of Henle does not allow out flow of waterB. Ascending limb actively transport Na ionsC. All a, b & cD. Descending loop of Henle allow out flow of waterQuestion 5 of 15 Loading... Question 6 of 15 6. Animal body fluids are kept isotonic to the external environment inA. Marine invertebratesB. HagfishesC. Cartilaginous fishesD. Both a & bQuestion 6 of 15 Loading... Question 7 of 15 7. Various factors of pathological and chemical nature may destroy the nephrons, particularly its:A. Glomerular partB. Both a & cC. Bowman’s capsuleD. Loop of HenleQuestion 7 of 15 Loading... Question 8 of 15 8. Why leaves are said to be excretophoreA. Because leaves can store foodB. Because Gardner find rotted autumn leaves a good source of mineralsC. Both a & bD. Because autumn is the seasonal time for the plants to get rid of the accumulated wastes in the leavesQuestion 8 of 15 Loading... Question 9 of 15 9. Detection of change and signaling for effector’s response to system is aA. Both a & bB. Feed back mechanismC. Positive feed backD. Negative feed backQuestion 9 of 15 Loading... Question 10 of 15 10. Mammalian kidney including human is adapted to conserve water by:A. 99.4%B. 99.6%C. 99.7%D. 99.5%Question 10 of 15 Loading... Question 11 of 15 11. Which of the following is related to fresh water habitate?A. Drink large amount of waterB. Both a & cC. Multilayered dead keratinized skin cellsD. Preference of salt containing foodQuestion 11 of 15 Loading... Question 12 of 15 12. The correct route of urine from kidneys to out of body is:A. Pelvis → ureter → urethra → through vagina in femalesB. Pelvis → ureter → urinary bladder → urethraC. Pelvis → Urinary bladder → urethra → through penis in malesD. Pelvis → Urinary bladder → urethraQuestion 12 of 15 Loading... Question 13 of 15 13. Weight of kidneys accounts forA. More than 1% of the total body weightB. None of theseC. 1% of the total body weightD. Less than 1% of the total body weightQuestion 13 of 15 Loading... Question 14 of 15 14. Ammonia kept as the excretory product in animals inhabitingA. Both a & cB. Hyporonic environmentC. Isotonic environmentD. Hypertonic environmentQuestion 14 of 15 Loading... Question 15 of 15 15. If the liver as well as both kidneys are removed from an experimental animalA. Blood urea level falls rapidlyB. Blood urea level rises rapidlyC. Blood urea level remain constantD. None of theseQuestion 15 of 15 Loading... Loading... Related Study Posts:MDCAT Test Biology Test Online PreparationASF Written Test Preparation Online McqsFPSC SST Test Preparation Mcqs OnlineOnline ECAT Test Preparation McqsPPSC Lecturer Test Preparation Online McqsLecturer Test KPPSC Preparation Mcqs OnlineSPSC SST Test Preparation Mcqs Online with SyllabusFPSC Test Preparation Mcqs Online Subject WiseIB Pakistan NTS Jobs 2025 Online Test Preparation McqsMDCAT Test Preparation Online Related Syllabus Mcqs