Subject: PPSC Past Papers

Explanation
Shark is a kind of fish  mostly fishes have s cales

Explanation
Sea cucumbers have no arms , no spines and no pedicellariae. Sea Lily: Sea lilies belong to the class Crinoidea of phylum Echinodermata.

Explanation
Water pollution  occurs when harmful substances often chemicals or microorganisms—contaminate a stream,  river , lake, ocean, aquifer, or other body of  water ,

Explanation
A carnivore is an animal that gets food from killing and eating other animals. Carnivores generally eat herbivores, but can eat omnivores, and occasionally other carnivores

Explanation
Cell is devide by  the process by which a parent cell divides into two or more daughter cells

Explanation

Explanation
Depolarization of membrane potential, and how does change in membrane potential trigger graded and action potentials for the transmission of signals

Explanation

Explanation
Shark is a kind of fish  mostly fishes have s cales

Explanation
Sea cucumbers have no arms , no spines and no pedicellariae. Sea Lily: Sea lilies belong to the class Crinoidea of phylum Echinodermata.

Explanation
Water pollution  occurs when harmful substances often chemicals or microorganisms—contaminate a stream,  river , lake, ocean, aquifer, or other body of  water ,

Explanation
A carnivore is an animal that gets food from killing and eating other animals. Carnivores generally eat herbivores, but can eat omnivores, and occasionally other carnivores

Explanation
Cell is devide by  the process by which a parent cell divides into two or more daughter cells

Explanation

Explanation
A region is arid when it is characterized by a severe lack of available water, to the extent of hindering or preventing the growth and development of plant and animal life.

Explanation
he speed of early printers was measured in units of characters per minute (cpm) for character printers

Explanation
Depolarization of membrane potential, and how does change in membrane potential trigger graded and action potentials for the transmission of signals

Explanation

Explanation
Shark is a kind of fish  mostly fishes have s cales

Explanation
Sea cucumbers have no arms , no spines and no pedicellariae. Sea Lily: Sea lilies belong to the class Crinoidea of phylum Echinodermata.

Explanation
Water pollution  occurs when harmful substances often chemicals or microorganisms—contaminate a stream,  river , lake, ocean, aquifer, or other body of  water ,

Explanation
A carnivore is an animal that gets food from killing and eating other animals. Carnivores generally eat herbivores, but can eat omnivores, and occasionally other carnivores

Explanation
Cell is devide by  the process by which a parent cell divides into two or more daughter cells

Explanation

Explanation
A region is arid when it is characterized by a severe lack of available water, to the extent of hindering or preventing the growth and development of plant and animal life.

Explanation
he speed of early printers was measured in units of characters per minute (cpm) for character printers

Explanation
Mammals are a group of vertebrate animals constituting the class Mammalia, and characterized by the presence of mammary glands which in females produce milk for feeding their Babies, a neocortex, fur or hair, and three middle ear bones.

Explanation
The  interest  rate  cycle  is closely related to the economic or trade  cycle