Practice Pakistan's most useful MCQs for competitive exams

The resolving power of electric microscope is____________?

• (A)  0.2 mm
• (B)  0.2 nm
• (C)  0.2 m
• (D)  none of these

Answer

Submitted By :Ali Uppal

The number of chromosomes in human cell is_____________?

• (A)  48
• (B)  44
• (C)  46
• (D)  26

Answer

Submitted By :Ali Uppal

The organs of locomotion in annelids are__________?

• (A)  Muscles
• (B)  Hydrostatic skeleton
• (C)  Parapodia
• (D)  Setae

Answer

Submitted By :Ali Uppal

Which of following system is segmentally arranged in annelids?

• (A)  Excretory system
• (B)  Digestive system
• (C)  Criculatory system
• (D)  Nervous system

Answer

Submitted By :Ali Uppal

Which system is present in nematodes?

• (A)  Sac – like digestive system
• (B)  Tube – like digestive system
• (C)  Circulatory system
• (D)  Respiratory system

Answer

Submitted By :Ali Uppal

Pin warm is common name used for__________?

• (A)  Rhabditis
• (B)  Enterobius vermicularis
• (C)  Ancylostoma duodenale
• (D)  Taenia solium

Answer

Submitted By :Ali Uppal

True metamorphosis is not present in________?

• (A)  Crustacea
• (B)  Insecta
• (C)  Arachnida
• (D)  Myriapoda

Answer

Submitted By :Ali Uppal

Prechordates is another name used for___________?

• (A)  Echinoderms
• (B)  Hemichordates
• (C)  Vertebrates
• (D)  Chordates

Answer

Submitted By :Ali Uppal

Mantle in molluscs is present over____________?

• (A)  Head
• (B)  Ventral muscular foot
• (C)  Dorsal visceral region
• (D)  All of these

Answer

Submitted By :Ali Uppal

__________ are believed to have common origin with annelids.

• (A)  Nematods
• (B)  Arthropods
• (C)  Molluscs
• (D)  None of these

Answer

Submitted By :Ali Uppal