Animal kingdom practice · Medium

Read the following statements about Echinoderms and choose the option that correctly fill the blanks A and B.
Adult enchinoderms show A symmetry, but their larvae show B symmetry.

Which of the following does not undergoes metamorphosis?

Characteristics : Presence of mammary glands, two pairs of limbs, hair- bearing skin, pinnae, heterodont dentition, four- chambered heart.
Which of the following organism shows the above mentioned characteristics?

Identify the odd one from the list of organisms given below.

Statement I: Cyclostomes have a sucking and circular mouth with jaws.

Statement II: Body of cyclostomes is devoid of scales but paired fins are present.

What is common in whale, Bat and Rat?

Select the correct option w.r.t. animals and their characteristics.

Pecten, a comb-like structure is found in the eye of

Select the correct option with respect to characteristic features of given animals:

A) Annelida: Metamerically segmented and schizocoelomate animals

B) Arthropoda: Jointed appendages with a closed circulatory system

C) Ctenophora: Shows bioluminescence and also known as sea walnuts.

D) Porifera: Archaeocytes are called collar cells, lines the spongocoel.

Which of the following is not a feature of Protopterus?

Which of the following does not belong to phylum-156?

Which of the following is common in Annelida and Arthropoda?

Which of the following organism possess cartilaginous cranium, vertebral column, closed type of circulatory system, which animal migrate to fresh water for spawning?

Given below are two statements: one is labelled as
Assertion (A) and the other is labelled as Reason (R).
Assertion (A): All vertebrates are chordates but all chordates are not vertebrates.
Reason (R): Notochord is replaced by vertebral column in the adult vertebrates.
In the light of the above statements, choose the most appropriate answer from the options given below:

The first phylum to have a complete alimentary canal is

Choose the odd one w.r.t division Gnathostomata.

S-1: Nervous system is poorly developed in echinoderms.


S-2: In echinoderms, ganglia and brain are absent.

Nidology is the study of

Choose the incorrect match among the following :

Assertion: The body surface of annelids is distinctly marked out into segments or metameres.

Reason: Aquatic annelids like Nereis possess lateral appendages called Parapodia.

From the organisms given below, select the odd one on the basis of symmetry shown by them

(S-I): Hemichordates have rudimental stomochord in collar region.

(S-II): Stomochord is a similar structure to nerve chord.

Identify the correct set of homothermic animals which possess true segmentation and four chambered heart.

The golden age of reptiles was

Which of the following is chordate feature, not shared by the non-chordates?

S-I: Amphioxus is described as a typical chordate.

S-II: It retains all four fundamental chordate characters in its adult stage also.

Haemocoel is found in

In Hydra, reproduction occurs in favourable conditions by

Animal of the same phylum are grouped below. Choose the incorrect group from given below option

Which of the following statements are true for the phylum-Chordata ?
(a) In Urochordata notochord extends from head to tail and it is present throughout their life.

(b) In Vertebrata notochord is present during the embryonic period only.

(c) Central nervous system is dorsal and hollow.

(d) Chordata is divided into $\mathrm{3}$ subphyla: Hemichordata, Tunicata and Cephalochordata.