MERIT YARD

[Class 11th - Biology - Animal Kingdom - MERIT YARD]

Question 1 / 40Which of the following phylum is known as 'Flatworms'?

A) Aschelminthes

B) Platyhelminthes

C) Annelida

D) Ctenophora

Question 2 / 40Radial symmetry is found in:

A) Arthropoda

B) Mollusca

C) Coelenterata

D) Annelida

Question 3 / 40Water canal system is the characteristic of:

A) Porifera

B) Ctenophora

C) Echinodermata

D) Cnidaria

Question 4 / 40Metagenesis is seen in:

A) Hydra

B) Adamsia

C) Obelia

D) Aurelia

Question 5 / 40Comb plates for locomotion are found in:

A) Porifera

B) Ctenophora

C) Platyhelminthes

D) Mollusca

Question 6 / 40Which of the following is a pseudocoelomate animal?

A) Ascaris

B) Earthworm

C) Tapeworm

D) Leech

Question 7 / 40Flame cells help in excretion in:

A) Annelida

B) Aschelminthes

C) Platyhelminthes

D) Arthropoda

Question 8 / 40Largest phylum of Animalia is:

A) Mollusca

B) Chordata

C) Arthropoda

D) Echinodermata

Question 9 / 40Malpighian tubules are excretory organs of:

A) Molluscs

B) Insects

C) Echinoderms

D) Annelids

Question 10 / 40Presence of a radula is characteristic of:

A) Mollusca

B) Arthropoda

C) Echinodermata

D) Hemichordata

Question 11 / 40Water vascular system is found in:

A) Porifera

B) Echinodermata

C) Mollusca

D) Annelida

Question 12 / 40Which of the following is a jawless vertebrate?

A) Shark

B) Petromyzon

C) Labeo

D) Frog

Question 13 / 40Operculum is absent in:

A) Bony fishes

B) Cartilaginous fishes

C) Both A and B

D) None

Question 14 / 40Air bladder is present in:

A) Osteichthyes

B) Chondrichthyes

C) Cyclostomata

D) Urochordata

Question 15 / 40Which of the following is an egg-laying mammal?

A) Kangaroo

B) Whale

C) Platypus

D) Bat

Question 16 / 40Pneumatic bones are found in:

A) Reptiles

B) Mammals

C) Aves

D) Amphibians

Question 17 / 40Which class has a three-chambered heart (except Crocodile)?

A) Aves

B) Reptilia

C) Mammalia

D) Cyclostomata

Question 18 / 40Homeothermic (warm-blooded) animals are:

A) Reptiles

B) Amphibians

C) Birds

D) Fishes

Question 19 / 40Proboscis gland is the excretory organ in:

A) Mollusca

B) Hemichordata

C) Echinodermata

D) Annelida

Question 20 / 40Parapodia help in swimming in:

A) Nereis

B) Pheretima

C) Hirudinaria

D) Ascaris

Question 21 / 40Choanocytes are found in which phylum?

A) Cnidaria

B) Porifera

C) Ctenophora

D) Annelida

Question 22 / 40The body cavity of Arthropods is called:

A) Haemocoel

B) Coelom

C) Pseudocoelom

D) Gastrovascular cavity

Question 23 / 40Which of the following is a living fossil?

A) Locusta

B) Limulus

C) Laccifer

D) Pila

Question 24 / 40Bilateral symmetry and acoelomate body plan is found in:

A) Aschelminthes

B) Platyhelminthes

C) Annelida

D) Ctenophora

Question 25 / 40Which animal is also called 'Fighting Fish'?

A) Clarias

B) Betta

C) Pterophyllum

D) Exocoetus

Question 26 / 40Poikilothermic animals are those which:

A) Cannot regulate body temperature

B) Can regulate body temperature

C) Have 4 chambered heart

D) Are always warm

Question 27 / 40Sea horse is a:

A) Mammal

B) Fish

C) Amphibian

D) Reptile

Question 28 / 40Cnidoblasts are used for:

A) Anchorage

B) Defense

C) Prey capture

D) All of these

Question 29 / 40In Urochordata, notochord is present in:

A) Only larval tail

B) Head to tail

C) Adult stage only

D) Persistent through life

Question 30 / 40A 4-chambered heart is found in:

A) Frog

B) Lizard

C) Crocodile

D) Turtle

Question 31 / 40Second largest phylum of Animal kingdom is:

A) Arthropoda

B) Mollusca

C) Echinodermata

D) Annelida

Question 32 / 40Metamerism is the characteristic of:

A) Annelida

B) Porifera

C) Platyhelminthes

D) Mollusca

Question 33 / 40Skeleton is made of CaCO3 in:

A) Echinodermata

B) Arthropoda

C) Annelida

D) Aschelminthes

Question 34 / 40Bioluminescence is found in:

A) Ctenophora

B) Porifera

C) Chordata

D) Arthropoda

Question 35 / 40Circular and sucking mouth is found in:

A) Cyclostomata

B) Chondrichthyes

C) Osteichthyes

D) Amphibia

Question 36 / 40Which bird is flightless?

A) Parrot

B) Ostrich

C) Crow

D) Pigeon

Question 37 / 40Cloaca is found in which group?

A) Amphibians

B) Mammals

C) Fishes

D) Insects

Question 38 / 40Operculum covers the gills of:

A) Bony fishes

B) Sharks

C) Rays

D) All of these

Question 39 / 40Which of the following is not a chordate character?

A) Notochord

B) Dorsal hollow nerve cord

C) Ventral solid nerve cord

D) Pharyngeal gill slits

Question 40 / 40The canal system helps in:

A) Food gathering

B) Respiratory exchange

C) Removal of waste

D) All of these