Samacheer Kalvi 9th Science Biology Animal Kingdom Questions - 1

Question: 1

Poikilothermic organisms are

(A) Fish, Frog, Lizard, Crow

(B) Fish, Frog, Lizard, Snake

(C) Fish, Frog, Lizard, Cow

(D) Fish, Frog, Lizard, Man

Question: 2

Which is the biggest vertebrate animal?

(A) Toad

(B) Tiger

(C) Blue whale

(D) Elephant

Question: 3

Myotome is present in

(A) Fish

(B) Frog

(C) Toad

(D) Sea Turtle

Question: 4

Identify the animal having four chambered heart.

(A) Crocodile

(B) Calotes

(C) Snake

(D) Lizard

Question: 5

Water vascular system is found in

(A) Ascaris

(B) Star fish

(C) Earthworm

(D) Hydra

Question: 6

Mesoglea is present in

(A) Arthropoda

(B) Annelida

(C) Coelenterata

(D) Porifera

Question: 7

Which one of the following pairs is not a poikilothermic animal?

(A) Aves and Mammals

(B) Amphibians and Aves

(C) Fishes and Amphibians

(D) Reptiles and Mammals

Question: 8

Hermaphrodite organisms are

(A) Hydra, Tape worm, Earthworm, Ascidian

(B) Hydra, Tape worm, Earthworm, Balanoglossus

(C) Hydra, Tape worm, Ascaris, Earthworm

(D) Hydra, Tape worm, Earthworm, Amphioxus

Question: 9

What are pneumatic bones?

(A) Bones filled with larvae

(B) Bones filled with plasma

(C) Bones filled with water

(D) Bones filled with air

Question: 10

Excretory organ of tape worm is

(A) Body surface

(B) Solenocytes

(C) Flame cells

(D) Nephridia