Biology Mcqs

The number of chromosomes in human cell is_____________?

A. 48
B. 44
C. 46
D. 26

The organs of locomotion in annelids are__________?

A. Muscles
B. Hydrostatic skeleton
C. Parapodia
D. Setae

Which of following system is segmentally arranged in annelids?

A. Excretory system
B. Digestive system
C. Criculatory system
D. Nervous system

Which system is present in nematodes?

A. Sac – like digestive system
B. Tube – like digestive system
C. Circulatory system
D. Respiratory system

warm is common name used for__________?

A. Rhabditis
B. Enterobius vermicularis
C. Ancylostoma duodenale
D. Taenia solium

True metamorphosis is not present in________?

A. Crustacea
B. Insecta
C. Arachnida
D. Myriapoda

Prechordates is another name used for___________?

A. Echinoderms
B. Hemichordates
C. Vertebrates
D. Chordates

Mantle in molluscs is present over____________?

A. Head
B. Ventral muscular foot
C. Dorsal visceral region
D. All of these

__________ are believed to have common origin with annelids.

A. Nematods
B. Arthropods
C. Molluscs
D. None of these

Polychaeta have____________?

A. Tentacles
B. Palps
C. Eyes
D. All of these