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.
Related Mcqs:
- How many hearts does an Octopus have?
A. 1
B. 2
C. 3
D. 4Submitted by: Muhammad Minam
- 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 - Each ach nephridium of earthworm opens to the exterior by__________?
A. Nephrostome
B. Nephridiopore
C. Flame cell
D. Anus - The main nitrogenous waste formed in the body of earthworm is/are___________?
A. Ammonia
B. Urea
C. Uric acid
D. Trimethylamine oxide - The nephridia of earthworm open into the coelom by_________?
A. Nephrostome
B. Nephridiopore
C. Flame cell
D. Anus - Nephrostome in earthworm opens in____________?
A. External space
B. Internal Body cavity
C. In gut
D. In Bladder - Earthworm lives in___________?
A. sea water
B. moist soil
C. fresh water
D. none of theseSubmitted by: Maryam Aftab
- Which of the following plant group first formed true leaves________________?
A. Psilopsida
B. Lycopsida
C. Sphenopsida
D. Pteropsida - Which of the following plant group first formed true leaves?
A. Psilopsida
B. Lycopsida
C. Sphenopsida
D. PteropsidaSubmitted by: Navid Muhammad