Diversity in Living Organisms Test

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Diversity in Living Organisms Test - 77

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Question 1
1 / -0

All of the following are monoecious, except:

A
Fasciola

B
Spongilla

C
Ascaris

D
Ctenoplana
Solution
- Monoecious animals are those animals, which contain both male and female reproductive organs together. They are also called hermaphrodites i.e.; both eggs and sperm are produced by the same individual. E.g. Spongilla, Fasciola, Ctenoplana.
- Dioecious animals are those whose sexes are separate i.e.; egg and sperm are produced by female and male individuals respectively. E.g. Ascaris.
So, the correct answer is option C.
Question 2
1 / -0

Which of the following groups of animals is having tube in tube body plan?

A
Sponges

B
Coelenterates (Cnidarians)

C
Aschelminthes (Round worms)

D
Ctenophores

Solution

Tube within tube body plan It is found in higher animal groups from nematodes to chordates. The body consists of two openings i.e., one for ingestion and one for egestion.
It is further divided into two types
(a) Protostomous plan (Proto-first; stoma-mouth) found in non-chordates like flatworms,
roundworms, annelids, molluscs and arthropods. In this mouth is derived from the blastopore of the embryo and anus is formed later.
(b) Deuterostomous plan It is found in echinoderms, hemichordata and chordates. In this, anus is derived from the blastopore and mouth arises at the opposite end.
So the correct answer is ' Aschelminthes (Round worms) '
Question 3
1 / -0

Which of the following lacks parapodia or satae?

A
Pheretima

B
Hirudinaria

C
Nereis

D
Lumbricus

Solution

Leeches belong to the phylum Annelida. Hirudinaria is commonly called Indian cattle leech. They have anterior and posterior suckers that help in adhesion and locomotion. Satae are minute rod-like organs that help in locomotion. Some annelids have an aggregate of satae over fleshy appendages called parapodia. Satae or parapodia is altogether absent in leeches.
The correct answer is option C.
Question 4
1 / -0

A trait which is not characteristics of bird is?

A
Ectothermic

B
Airsacs attached to lungs

C
Hollow bones

D
Amniote egg

Solution

Birds are warm-blooded or endothermal animals. They have nine air sacs attached to the lungs. Their hollow bones keep them light and help them to fly. They produce amniotic eggs as their embryos are developed inside the amnion.
Thus, the correct answer is (A).
Question 5
1 / -0

Which among the following are true coelomate ______________.

A
Coelenterates

B
Aschelminthes

C
Platyhelminthes

D
Annelids

Solution

A true coelomate is Annelids. They exhibit organ system level of body organization and bilateral symmetry. They are trophoblastic, metamerically, segmented, and coelomate animals. Their body surface is destiny marked out into segments or metameres.
Examples are earthworms and leech.
Thus, the correct answer is option D.
Question 6
1 / -0

Out of the following features how many belong to A and B, respectively?
[Preen glands, Pneumatic bones, Warm blooded, Oviparous and Lungs with air sacs]

A
$$4$$ and $$2$$

B
$$3$$ and $$4$$

C
$$3$$ and $$3$$

D
$$5$$ and $$2$$
Question 7
1 / -0

A chordate having both vertebral column and notochord in adult stage is?

A
Branchiostoma

B
Rattus

C
Scoliodon

D
Bungarus

Solution

(A) Branchiostoma
Branchiostoma is one of the few living genera of lancelets. A chordata having both vertebral column and notochord in adult stage is Branchiostoma.
Question 8
1 / -0

Earthworms belong to which of the following phyla?

A
Platyhelminthes

B
Aschelminthes

C
Annelida

D
Arthropoda

Solution

Earthworm belongs to the phylum Annelida. Annelids, like earthworms, are characterized by their segmented, tube-like body. They are coelomate and triploblastic.
So, the correct option is C.
Question 9
1 / -0

Exoskeletal structures of reptiles are in the form of?

A
Dermal scales

B
Epidermal scales

C
Fur

D
Bones

Solution

The correct answer is option B.
The exoskeleton of reptiles is made up of epidermal scales. The skin of reptiles is covered with horny scales, shields, or scutes.
Question 10
1 / -0

Limulus is

A
An arthropod

B
A living fossil

C
A coelomate

D
All of the above

Solution

The genus Limulus belongs to the phylum Arthropoda. Arthropods are coelomates as they have coelom or the body cavity. The Limulus is called a living fossil because they have remained unchanged for the past 190 million years.
Thus, the correct answer is (D).

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Re-Attempt Weekly Quiz Competition

Diversity in Living Organisms Test - 77

Result

Diversity in Living Organisms Test - 77

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SHARING IS CARING

Question 1

Fasciola

Spongilla

Ascaris

Ctenoplana

Solution

Question 2

Sponges

Coelenterates (Cnidarians)

Aschelminthes (Round worms)

Ctenophores

Solution

Question 3

Pheretima

Hirudinaria

Nereis

Lumbricus

Solution

Question 4

Ectothermic

Airsacs attached to lungs

Hollow bones

Amniote egg

Solution

Question 5

Coelenterates

Aschelminthes

Platyhelminthes

Annelids

Solution

Question 6

$$4$$ and $$2$$

$$3$$ and $$4$$

$$3$$ and $$3$$

$$5$$ and $$2$$

Question 7

Branchiostoma

Rattus

Scoliodon

Bungarus

Solution

Question 8

Platyhelminthes

Aschelminthes

Annelida

Arthropoda

Solution

Question 9

Dermal scales

Epidermal scales

Fur

Bones

Solution

Question 10

An arthropod

A living fossil

A coelomate

All of the above

Solution

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