Animal Kingdom Non Chordates Quiz No:7 -

Animal Kingdom Non Chordates Quiz No:7

Questions No:1

Incorrect one of the following is

[A] protochordates are non-chordates

[B] invertebrates are non-chordates

[C] protochordates are acraniates

[D] vertebrates are craniates

Questions No:2

In sponges fertilization occurs in

[A] spongocoel

[B] gemmules

[C] canal system

[D] mesohyl

Questions No:3

Water currents in a sponge body are maintained by

[A] archaeocytes

[B] pinacocytes

[C] spongocytes

[D] choanocytes

Questions No:4

Poriferans are included under the sub-kingdom

[A] Eumetazoa

[B] Radiata

[C] Animalia

[D] Parazoa

Questions No:5

Spongocoel opens out through

[A] ostia

[B] osculum

[C] madreporite

[D] cloaca

Questions No:6

Type of fertilization in sponges is

[A] self, internal

[B] cross, internal

[C] cross, external

[D] self, external

Questions No:7

Type of nutrition and digestion in sponges are respectively

[A] holozoic-intercellular

[B] holozoic-intracellular

[C] holophytic-intracellular

[D] holophy tic-intercellular

Questions No:8

Gemmules produced by sponges during unfavourable conditions, help in

[A] storage of food

[B] storing gametes

[C] continuation of species

[D] phagocytosis

Questions No:9

Sponges resemble eucoelomates in this aspect

[A] intra cellular digestion

[B] presence of nerve cells

[C] multicellular condition

[D] reversal of germ layers

Questions No:10

Cnidocytes do not help in

[A] defence

[B] adhesion

[C] gemmation

[D] food capture

Questions No:11

Polymorphic cnidarian in the following is

[A] Hydra

[B] Obelia

[C] Metridium

[D] Halistemma

Questions No:12

A Hydrozoan coral forming animal is

[A] Millepora

[B] Corallium

[C] Tubipora

[D] Heliophora

Questions No:13

Ctenophores are characterised by

[A] segmentation

[B] polymorphism

[C] cnidoblasts

[D] bioluminescence

Questions No:14

Tentacles of ctenophores bear

[A] scleroblasts

[B] colloblasts

[C] cnidoblasts

[D] chondroblasts

Questions No:15

Cydippid is the larva of

[A] Hydrozoa

[B] Scyphozoa

[C] Actinozoa

[D] Ctenophora

Questions No:16

Ctenophores may be considered as diploblastic because

[A] of ciliated comb plates

[B] of bioluminescence

[C] mesoglea is a layer of cells

[D] of bilateral symmetry

Questions No:17

Acoelomate bilaterians maintain osmotic balance with surroundings by

[A] renette glands

[B] metanephridia

[C] contractile vacuoles

[D] protonephridia with flame cells

Questions No:18

Internal fertilization, oviparous condition exhibited by

[A] Heterometrus

[B] Wuchereria

[C] Ascaris

[D] Chaetopterus

Questions No:19

Pseudocoelomates are without

[A] anus

[B] muscles in body wall

[C] segmentation

[D] cuticle

Questions No:20

In nematodes nutrients are carried to all parts of the body through

[A] circulatory system

[B] renette glands

[C] body wall

[D] pseudocoelomic fluid