Diversity in Living Organisms Test

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Diversity in Living Organisms Test - 62

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Weekly Quiz Competition

Question 1
1 / -0

Which among the following exhibits vivipary?

A
Frog, Kangaroo

B
Whale, Rabbit

C
Snake, Lizard

D
Cockroach, Aves

Solution

Vivipary is when an Animal gives rise to a live young.
Kangaroo, Whale, Rabbit show Vivipary.
Whereas Frog, Snake, Lizard, Cockroach, and Aves show Ovipary or lay eggs.
So the correct answer is 'Whale, Rabbit'.
Question 2
1 / -0

$$\textit{Platypus}$$ is connecting link between:

A
Reptiles and mammals

B
Reptiles and birds

C
Echinoderms and chordates

D
Living and non-living
Solution
- $$\textit{Platypus}$$ is a connecting link between reptiles and mammals.
- It shows mammalian characters like mammary glands, hair, diaphragm, single aortic arch etc.
- It also shows reptilian characters in having a large coracoid in the pectoral girdle and in laying eggs with yolk and shell.
So, the correct answer is option A.
Question 3
1 / -0

What is common among Parrot, Platypus and Kangaroo ?

A
Toothless jaws

B
Functional post and tail

C
Oviparity

D
Homoiotherny

Solution

Only Kangaroos have teeth.
Platypus and Kangaroo have functional tails.
Kangaroo shows vivipary whereas Parrot and Platypus show Ovipary.
All birds and mammals show Homoiothermy or ability to regulate body temperature so Parrot, Platypus, and Kangaroo all have the ability to regulate body temperature.
So the correct answer is 'Homoiothermy'.
Question 4
1 / -0

Which is correct set belonging to single group ?

A
Bat, Pigeon, Cow

B
Man, Monkey, Chimpanzee

C
Oyster, Octopus, Otter

D
Cuttlefish, Jellyfish, Silver fish

Solution

Bat is a mammal whereas Pigeon and Crow are birds.
Cuttlefish is a mollusc, Jellyfish is a cnidarian, whereas Silverfish is an insect.
Octopus and oyster are molluscs, Otter is a mammal.
Man, Monkey and Chimpanzee are mammals and belong to the Taxon Primates.
So the correct answer is 'Man, Monkey, Chimpanzee'.
Question 5
1 / -0

Tusks of elephant are:

A
Upper canines

B
Upper incisors

C
Lower incisors

D
Lower canines

Solution

Upper Incisors of the elephants make up their tusks.
The tusks are made of Ivory and used for various purposes like defence, protection, lifting objects, etc.
Lower incisors, canines and other teeth are present inside for normal functions like chewing, grinding etc.
So the correct answer is 'Upper Incisors'.
Question 6
1 / -0

Baleen (hanging horny plates) occurs in

A
Dolphin

B
Archaeopteryx

C
Blue whale

D
Shark

Solution

Baleen is present in Blue Whale which is attached to their upper jaw which acts as a filter.
Shark, Dolphin or Archaeopteryx do not have any such structures or evidence to their presence.
So the correct answer is 'Blue Whale'.
Question 7
1 / -0

Pick up the odd one out.

A
Chelone, Calotes, Naja

B
Pavo, Psittacula, Ornithorhyncus

C
Canis, Felis, Rattus

D
Bufo, Rana, Hyla

Solution

Chelone, Calotes, Naja are all reptiles.
Canis, Felis and Rattus are all mammals.
Bufo, Rana, and Hyla are all amphibians.
Pavo and Psittacula are birds, whereas Ornithorhynchus is a mammal.
So the correct answer is 'Pavo, Psittacula, Ornithorhynchus'.
Question 8
1 / -0

Which is correctly matched?

A
Sea Anemone - Triploblastic - Cnidaria

B
Siver Fish - Pectoral and pelvic fins - Chordata

C
Duck - billed Platypus - Oviparous - Mammalia

D
Millipede - Ventral nerve cord - Arachnids

Solution

Sea Anemone being Cnidarians are Diphloblastic (mesoderm absent).
Silverfish is an insect and hence not a chordate and doesn't possess pectoral and pelvic fins.
Millipedes do not belong to Arachnida as Arachnida has jointed legs (mostly 8 in number). Millipedes also lack a ventral nerve cord.
Platypi are monotremes or egg-laying mammals and hence are Oviparous.
So the correct answer is 'Duck-billed Platypus- Oviparous- Mammalia'.
Question 9
1 / -0

Dolphin found in Chilka lake is

A
Ganges Dolphin

B
Irrawaddy Dolphin

C
Narwhal Dolphin

D
Porpoise

Solution

Irrawaddy Dolphins are only found at two places in the world and one of them is Chilika lake.
Ganges dolphin is an endangered species living in the Ganges- Bhramaputra region.
Narwhal Dolphin is actually a whale species found in Arctic waters.
Porpoise is found in cold climates.
So the correct answer is 'Irrawaddy Dolphin'.
Question 10
1 / -0

Which is not a cat?

A
Lion

B
Tiger

C
Cheetah

D
Jackal
Solution
Answer: (D) Jackal.
Explanation:
Felidae is a family of mammals that constitutes cats.
It comes under the order Carnivora.
Lion, tiger, and cheetah all three come under the family Felidae.
But Jackal comes under the family Canidae which is not the family of cats.
Hence, Jackal is not a cat.

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Re-Attempt Weekly Quiz Competition

Diversity in Living Organisms Test - 62

Result

Diversity in Living Organisms Test - 62

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Rank

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SHARING IS CARING

Question 1

Frog, Kangaroo

Whale, Rabbit

Snake, Lizard

Cockroach, Aves

Solution

Question 2

Reptiles and mammals

Reptiles and birds

Echinoderms and chordates

Living and non-living

Solution

Question 3

Toothless jaws

Functional post and tail

Oviparity

Homoiotherny

Solution

Question 4

Bat, Pigeon, Cow

Man, Monkey, Chimpanzee

Oyster, Octopus, Otter

Cuttlefish, Jellyfish, Silver fish

Solution

Question 5

Upper canines

Upper incisors

Lower incisors

Lower canines

Solution

Question 6

Dolphin

Archaeopteryx

Blue whale

Shark

Solution

Question 7

Chelone, Calotes, Naja

Pavo, Psittacula, Ornithorhyncus

Canis, Felis, Rattus

Bufo, Rana, Hyla

Solution

Question 8

Sea Anemone - Triploblastic - Cnidaria

Siver Fish - Pectoral and pelvic fins - Chordata

Duck - billed Platypus - Oviparous - Mammalia

Millipede - Ventral nerve cord - Arachnids

Solution

Question 9

Ganges Dolphin

Irrawaddy Dolphin

Narwhal Dolphin

Porpoise

Solution

Question 10

Lion

Tiger

Cheetah

Jackal

Solution

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