A. echinodermata
B. mollusca
C. nematoda
D. arthropoda
Submitted by: Maryam Aftab
Related Mcqs:
- In many which phylum the body of an organisms is usually divided in there regions called head, thorax and abdomen?
A. Arthropods
B. Chordata
C. Annelida
D. Echinodermata - Second largest phylum of invertebrates is____________?
A. Porifera
B. Arthropoda
C. Mollusca
D. Chordata - When abdomen expands, the number of spiracles open is_____________?
A. 2
B. 3
C. 6
D. 8 - Sub- phylum vertebrate is also known as__________?
A. Pisces
B. Craniata
C. Aves
D. Amphibia - The phylum chrordata comprise about how many species?
A. 25,000
B. 50,000
C. 100,000
D. 10,00,000 - The concept that various organisms dominated this planet during various geological time period and thus placing organisms in a time squence came from the studies by ?
A. Environmental biologist
B. Paleontologist
C. Marine biologist
D. Social biologist - The concept that various organisms dominated this planet during various geological time period and thus placing organisms in a time squence came from the studies by________?
A. Environmental biologist
B. Paleontologist
C. Marine biologist
D. Social biologist - Control of organisms by using living organisms is called_______?
A. Bioremediation
B. Integrated disease management
C. Antisepsis
D. Biological control - Study of interaction of living organisms with other organisms and their environment relates with ___________ ?
A. Botany
B. Ecology
C. Social biology
D. PharmacologySubmitted by: Rashid Mehmood
- Number of spiracles present in the thorax of cockroach is___________?
A. 2
B. 3
C. 5
D. 4
