etea medical mcqs

Category: Biology etea medical mcqs

No.	Topics.	No.	Topics.
1.	1ST YEAR BIO RANDOM MCQs KP TEXT BOOK	2.	ACELLULAR LIFR
3.	BIOENERGETICS	4.	BIOLOGICAL MOLECULES
5.	Biotechnology	6.	CELL STRUCTURE & FUNCTION
7.	Circulation	8.	COORDINATION & CONTROL/ NERVOUS & CHEMICAL COORDINATION
9.	DIVERSITY AMONG ANTMALS (THE KTNGDOM ANIMALIA)	10.	ENZYMES
11.	EVOLUTION	12.	Form and Function in Plants
13.	Homeostasis ( Mainly Kidney Portion )	14.	INHERITANCE
15.	lmmunity	16.	PROKARYOTES (KTNGDOM MONERA)
17.	REPRODUCTION	18.	Respiration
19.	Respiratory system	20.	SUPPORT & MOVEMENT

In most vertebrates, the notochord is replaced by the:

Spinal cord
Vertebral column
Skull
Rib cage

Which phylum is characterized by the presence of a notochord, dorsal hollow nerve cord, pharyngeal slits, and a post-anal tail at some stage of development?

Annelida
Mollusca
Arthropoda
Chordata

Hemichordates are characterized by a rudimentary notochord-like structure in their proboscis called the:

Spinal cord
Nerve cord
Stomochord
Notochord

The skeleton of echinoderms is internal and made of:

Chitin
Ossicles (calcium carbonate plates)
Silica
Bone

Which phylum is a minor group, often considered a link between echinoderms and chordates?

Ctenophora
Hemichordata
Phoronida
Brachiopoda

The unique locomotory and feeding system in echinoderms is the:

Hemocoel
Water vascular system
Pseudocoelom
Tracheal system

Which phylum includes starfish, sea urchins, and sea cucumbers?

Mollusca
Echinodermata
Chordata
Hemichordata

Echinoderms exhibit which type of symmetry as adults?

Bilateral
Radial
Asymmetry
Pentaradial

Which class of Mollusca includes octopuses and squids?

Gastropoda
Bivalvia
Cephalopoda
Polyplacophora

The unique rasping organ used for feeding in many molluscs is the:

Siphon
Radula
Mantle
Foot

What is the specialized tissue that secretes the shell in molluscs?

Visceral mass
Foot
Mantle
Radula

Which phylum includes snails, clams, octopuses, and squids?

Annelida
Mollusca
Echinodermata
Chordata

The soft body of molluscs is usually protected by a shell composed of:

Chitin
Silica
Calcium carbonate
Protein

What is the primary excretory organ in insects?

Nephridia
Kidneys
Malpighian tubules
Flame cells

Respiration in insects occurs through:

Gills
Lungs
Tracheal system
Book lungs

Which class of Arthropoda includes spiders, scorpions, and ticks?

Insecta
Crustacea
Arachnida
Myriapoda

The external skeleton of arthropods is made of:

Silica
Calcium carbonate
Chitin
Cellulose

Arthropods are characterized by:

Soft bodies
Jointed appendages
Radial symmetry
Pseudocoelom

Which phylum is the largest in the animal kingdom?

Annelida
Mollusca
Arthropoda
Chordata

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