Practice Pakistan's most useful MCQs for competitive exams

Bats & humming birds belong to___________?

• (A)  Endotherms
• (B)  Ectotherms
• (C)  Heterotherms
• (D)  Homeotherms

Answer

Submitted By :Ali Uppal

A stone measuring 0.4 cm, blocking the outlet of renal pelvis resulting in mild to moderate tract obstruction. Which of the following technique will be opted to remove this stone?

• (A)  Kidney surgery
• (B)  Burring a hole and removing the stone manually (nephrolithotomy)
• (C)  Extracorporeal Shock wave lithotripsy
• (D)  None of these

Answer

Submitted By :Ali Uppal

Which of the vascular channels are related to Juxtramedullary nephrous only?

• (A)  Afferent and efferent arterioles
• (B)  Peritubualr capillaries
• (C)  Vasa nervosa
• (D)  Vasa recta

Answer

Submitted By :Ali Uppal

In Urea cycle __________ ammonia molecules combine with 1 CO2 molecule to form 1 molecule of urea.

• (A)  1
• (B)  2
• (C)  3
• (D)  4

Answer

Submitted By :Ali Uppal

All insects have how many parts of legs?

• (A)  4
• (B)  2
• (C)  3
• (D)  6

Answer

Submitted By :Ali Uppal

In mouth cavity of many molluscs there is a rasping tongue like structure_________provided with many horny teeth.

• (A)  Ligule
• (B)  Radula
• (C)  Mantle
• (D)  Muscle

Answer

Submitted By :Ali Uppal

Snails belong to__________?

• (A)  Cephalopodsxc
• (B)  Gastropods
• (C)  Bivalves
• (D)  Athropods

Answer

Submitted By :Ali Uppal

It is stiff rod of special cells surrounded by connecive tissue present in the mid -dorsal region and appears in the embryos of all chordates

• (A)  Placenta
• (B)  Notochord
• (C)  Cranianta
• (D)  Ligule

Answer

Submitted By :Ali Uppal

The phylum chrordata comprise about how many species?

• (A)  25,000
• (B)  50,000
• (C)  100,000
• (D)  10,00,000

Answer

Submitted By :Ali Uppal

Sub- phylum vertebrate is also known as__________?

• (A)  Pisces
• (B)  Craniata
• (C)  Aves
• (D)  Amphibia

Answer

Submitted By :Ali Uppal