A. Excretion
B. Circulation
C. Reproduction
D. Pollution
Submitted by: Yousuf Sanjrani
Related Mcqs:
- The main nitrogenous waste formed in the body of earthworm is/are___________?
A. Ammonia
B. Urea
C. Uric acid
D. Trimethylamine oxide - Aquatic animals excrete nitrogenous waste commonly in the form of_____________?
A. Ammonia
B. Urea
C. Uric acid
D. Trimethylamine oxide - Which of the following animal excrete nitrogenous waste mainly as uric acid?
A. Hydra
B. Planaria.
C. Humans
D. Birds. - Each turn of DNA contain ____________ nitrogenous base pairs?
A. 5
B. 10
C. 20
D. 25 - Removal or degradation of environmental pollutants or toxic materials by living organisms is called__________?
A. Integrated disease management
B. Hydroponic culture technique
C. Pasteurization
D. Bioremediation - Which of the following is most toxic?
A. Ammonia
B. Urea
C. Uric acid
D. Trimethylamine oxide - Which one of the following toxic metals is extensively present in newspaper?
A. Mg
B. Cd
C. Pb
D. HgSubmitted by: Eesha Khalid
- The movement of water molecules from a region of higher water potential to a region of lower water potential (through membrane)
A. Deffusion
B. Osmosis
C. Active transport
D. None of these - The common waste material in bacteria is____________?
A. Glycogen
B. Lactic acid
C. Ammonia
D. Urea - Malphighian tubules absorb waste materials and salts from__________?
A. Blood
B. Lymph
C. Gut
D. Hemolymph
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