Class 11 Biology Chapter 4: The Animal Kingdom | 50 NEET 2027 Level MCQs | NCERT + PYQ Based

Class 11 Biology

Chapter 4

The Animal Kingdom

50 NEET 2027 Level MCQs | NCERT + PYQ Based

📘 SECTION A: NCERT BASED MCQs - Q1 to Q30

Q1 Which phylum is characterized by presence of water vascular system?

a) Poriferab) Coelenteratac) Echinodermatad) Annelida

Q2 Notochord is present in which animals?

a) Chordatesb) Non-chordatesc) Bothd) None

Q3 Which animal shows radial symmetry in adult stage?

a) Tapewormb) Starfishc) Earthwormd) Cockroach

Q4 Cnidoblasts are present in?

a) Poriferab) Coelenteratac) Platyhelminthesd) Aschelminthes

Q5 Flatworms belong to phylum?

a) Nematodab) Platyhelminthesc) Annelidad) Arthropoda

Q6 Pseudocoelom is present in?

a) Aschelminthesb) Annelidac) Molluscad) Echinodermata

Q7 Jointed appendages are characteristic of?

a) Molluscab) Arthropodac) Annelidad) Echinodermata

Q8 Sea urchin belongs to?

a) Hemichordatab) Echinodermatac) Chordatad) Arthropoda

Q9 Which is not a chordate character?

a) Notochordb) Dorsal nerve cordc) Ventral heartd) Pharyngeal gill slits

Q10 Cold blooded animals are?

a) Mammalsb) Birdsc) Reptilesd) None

Q11 Diploblastic animals belong to?

a) Poriferab) Cnidariac) Both a and bd) Platyhelminthes

Q12 Metamerism is found in?

a) Annelidab) Arthropodac) Bothd) Mollusca

Q13 Most diverse phylum of Animal Kingdom is?

a) Molluscab) Arthropodac) Chordatad) Porifera

Q14 Respiratory organ in fish is?

a) Lungsb) Gillsc) Skind) Trachea

Q15 Bat belongs to class?

a) Avesb) Reptiliac) Mammaliad) Amphibia

Q16 Which is egg laying mammal?

a) Whaleb) Platypusc) Batd) Kangaroo

Q17 Four chambered heart is found in?

a) Frogb) Lizardc) Crocodiled) Fish

Q18 Exoskeleton of cockroach is made of?

a) Celluloseb) Chitinc) Keratind) Calcium

Q19 Canal system is characteristic of?

a) Poriferab) Coelenteratac) Annelidad) Arthropoda

Q20 Frog belongs to class?

a) Reptiliab) Amphibiac) Avesd) Mammalia

Q21 Which is not a mollusc?

a) Pilab) Octopusc) Starfishd) Pearl oyster

Q22 Birds are characterized by?

a) Feathersb) Scalesc) Haird) Shell

Q23 Snake belongs to?

a) Amphibiab) Reptiliac) Avesd) Mammalia

Q24 Body covered with scales in?

a) Frogb) Lizardc) Pigeond) Rat

Q25 True coelom is present in?

a) Platyhelminthesb) Aschelminthesc) Annelidad) Porifera

Q26 Which is triploblastic?

a) Hydrab) Tapewormc) Jellyfishd) Sponge

Q27 Spines on body surface in?

a) Echinodermatab) Arthropodac) Molluscad) Annelida

Q28 Proboscis glands are found in?

a) Hemichordatab) Chordatac) Annelidad) Arthropoda

Q29 Urochordata is also called?

a) Sea squirtsb) Sea lilyc) Sea cucumberd) Sea urchin

Q30 Cephalochordata includes?

a) Balanoglossusb) Amphioxusc) Herdmaniad) Shark

📘 SECTION B: PYQ + HIGH LEVEL MCQs - Q31 to Q50

Q31 Which has larval bilateral and adult radial symmetry?

a) Starfishb) Jellyfishc) Hydrad) Sea anemone

Q32 Pharyngeal gill slits in human are present in?

a) Adult stageb) Embryonic stagec) Neverd) Old age

Q33 Which is not true about Arthropoda?

a) Jointed appendagesb) Chitinous exoskeletonc) Closed circulatory systemd) Metameric segmentation

Q34 Nephridia are excretory organs in?

a) Annelidab) Arthropodac) Molluscad) Echinodermata

Q35 Which has direct development?

a) Frogb) Butterflyc) Cockroachd) Starfish

Q36 Cartilaginous fishes are?

a) Shark, Rayb) Rohu, Catlac) Frog, Toadd) Lizard, Snake

Q37 Air sacs connected to lungs in?

a) Mammalsb) Birdsc) Reptilesd) Amphibians

Q38 Which is viviparous?

a) Platypusb) Kangarooc) Ostrichd) Crocodile

Q39 Tadpole larva is found in?

a) Fishb) Frogc) Lizardd) Bird

Q40 Radula is present in?

a) Arthropodab) Molluscac) Annelidad) Echinodermata

Q41 Which is not a characteristic of Mammalia?

a) Hairb) Mammary glandsc) Lay eggsd) Diaphragm

Q42 Poikilothermic animals are?

a) Birds and Mammalsb) Reptiles and Amphibiansc) Only Mammalsd) Only Birds

Q43 Sucker and hooks are present in?

a) Liver flukeb) Tapewormc) Roundwormd) Earthworm

Q44 Which has flame cells?

a) Annelidab) Platyhelminthesc) Aschelminthesd) Arthropoda

Q45 Tubefeet are found in?

a) Poriferab) Echinodermatac) Annelidad) Arthropoda

Q46 Balance wheel in frog is?

a) Eyeb) Earc) Nosed) Tongue

Q47 Which is connecting link between reptiles and birds?

a) Duckb) Archaeopteryxc) Batd) Platypus

Q48 Gaseous exchange in cockroach occurs through?

a) Lungsb) Gillsc) Trachead) Skin

Q49 Which is not a feature of Chordata?

a) Post anal tailb) Dorsal hollow nerve cordc) Ventral heartd) Notochord

Q50 Highest number of species are in?

a) Chordatab) Arthropodac) Molluscad) Annelida

✅ ANSWER KEY

Q1-c, Q2-a, Q3-b, Q4-b, Q5-b, Q6-a, Q7-b, Q8-b, Q9-c, Q10-c
Q11-c, Q12-c, Q13-b, Q14-b, Q15-c, Q16-b, Q17-c, Q18-b, Q19-a, Q20-b
Q21-c, Q22-a, Q23-b, Q24-b, Q25-c, Q26-b, Q27-a, Q28-a, Q29-a, Q30-b
Q31-a, Q32-b, Q33-c, Q34-a, Q35-c, Q36-a, Q37-b, Q38-b, Q39-b, Q40-b
Q41-c, Q42-b, Q43-b, Q44-b, Q45-b, Q46-b, Q47-b, Q48-c, Q49-c, Q50-b