A. Ammonia
B. Urea
C. Uric acid
D. Trimethylamine oxide
Related Mcqs:
- 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. - The elimination of toxic nitrogenous waste and excess water in man is by______?
A. Excretion
B. Circulation
C. Reproduction
D. PollutionSubmitted by: Yousuf Sanjrani
- Aerating openings formed in the bark through which exchange of gases takes place and water is lost in the form of vapours are___________?
A. Hydathods
B. Stomata
C. Lenticels
D. None of these - The main types of plastids are___________?
A. Chloroplasts
B. Chromoplasts
C. Leucoplasts
D. All of these - Earthworm is included in_____________?
A. Kingdom Plantae
B. Kingdom Protoctista
C. Kingdom Monera
D. Kingdom Animalia - Earthworm is an example of ______________feeder?
A. Detritus
B. Fluid
C. Macrophageus
D. Filter - Which of the following is true about hearts of earthworm?
A. There are 5-7 pairs of heart.
B. They are present between 1-7th segments.
C. They are present lateral to the oesophagus.
D. They pump blood from ventral to dorsal vessel. - Each ach nephridium of earthworm opens to the exterior by__________?
A. Nephrostome
B. Nephridiopore
C. Flame cell
D. Anus - The nephridia of earthworm open into the coelom by_________?
A. Nephrostome
B. Nephridiopore
C. Flame cell
D. Anus
