Diversity in Living Organisms Test

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Diversity in Living Organisms Test - 57

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Weekly Quiz Competition

Question 1
1 / -0

Which of the following is not a bird?

A
Pavo

B
Struthio

C
Columba

D
Testudo

Solution

Among the given options, Pavo (peacock), Strutho (ostrich) and Columba (pigeon) are all bird species, while Testudo is a reptile. Testudo is a genus of tortoises that are commonly found in some parts of Asia, Africa and Europe. They are small in size and several species are endangered.
So, the correct answer in 'Testudo'.
Question 2
1 / -0

Urinary bladder is present in

A
Rat snake

B
Ostrich

C
Pigeon

D
King Fisher

Solution

A well-developed renal portal system is not found in birds. They do not have a urinary bladder and being uricotelic animals, excrete uric acid along with semisolid faeces. Out of the given options, ostrich, pigeon, and kingfisher, all three being birds, do not have a urinary bladder. However, being a reptile, rat snake has a urinary bladder.
So, the correct answer is 'Rat snake'.
Question 3
1 / -0

Kangaroo is a ________ animal.

A
Viviparous

B
Oviparous

C
Ovoviviparous

D
All of the above

Solution

Viviparous animals give birth to young ones directly, without laying eggs. Kangaroo gives birth to an immature young kangaroo called joey. Right after birth, it crawls up to its mother’s pouch where the rest of its development takes place.
So, the correct answer is option A.
Question 4
1 / -0

In Kiwi, the number of toes which touch the ground and which are above the ground level is

A
2, 2

B
1, 3

C
3, 1

D
2, 1

Solution

The bird kiwi belongs to the genus Apteryx of the class Aves and is a small bird with the largest species measuring around 25 inches in height. It has 4 clawed toes, out of which, 2 touch the ground while walking and two do not.
So, the correct answer is '2, 2'.
Question 5
1 / -0

In Penguin the feathers are

A
Well developed and closely placed

B
Large by sparse

C
Small and scale like

D
Small and well differentiated

Solution

Being birds, penguins have feathers on their bodies. Their feathers are short, closely packed and overlapping. The upper layer of the feathers provides resistance to water, while the inner layer provides insulation from the cold environment, keeping the penguin warm even when it is freezing.
So, the correct answer is 'Well developed and closely placed'.
Question 6
1 / -0

Which is not correct about circulatory system of aves

A
Heart is four chambered

B
Well developed renal portal system

C
Sinus venosus and truncus arteriosus are lacking

D
RBCs are nucleated
Solution
Birds do have a four-chambered heart.
Their RBCs are nucleated.
Sinus venosus and truncus arteriosus are lacking in birds.
But the renal portal system of birds is not well developed. They do not have a urinary bladder and being uricotelic animals, excrete uric acid along with semisolid faeces.
So, the correct answer is 'Well developed renal portal system'.
Question 7
1 / -0

Height of Struthio is

A
1.1 m

B
1.65 m

C
1.8 m

D
2.5 m

Solution

Struthio is a genus of Aves. It basically has two types of birds, the common ostrich, and the Somali ostrich. The height of the common ostrich usually ranges from 2.1 m to 2.8 m. It is the largest subspecies in the world.
So, the correct answer is '2.5 m'.
Question 8
1 / -0

Which is common trait of mammals ?

A
Carnivores

B
Ventral nerve cord

C
Seven cranial nerves

D
Seven cervical vertebrate
Solution
Mammals are vertebrates and warm-blooded animals. They have different characteristics that differ from species to species.
The general characteristics of mammals are:
Have hair or fur on the body.
Have a four-chambered heart.
Have mammary glands.
Have secretary glands, sweat glands and scent glands.
Posses diaphragm, etc
One of the common characteristics of mammals is that all mammals have seven cervical vertebrae. It means that the cervical spine of all mammals has seven vertebrae.
So the correct option is "Seven cervical vertebrate".
Question 9
1 / -0

Testes in Whale are

A
Extra - abdominal

B
Internal

C
Scrotal

D
None of the above

Solution

Testes or testicles are male reproductive organs present in all the animals. Its function is to produce sperms and hormones (androgens). The basal condition of mammals is to have internal testes. Cetaceans such as whales and dolphins also have internal testes.
So, the correct option is 'Internal'.
Question 10
1 / -0

Bat can travel

A
Ears plugged and eyes covered

B
Eyes covered and ears open

C
Ears plugged and eyes open

D
All the above

Solution

Bats can move as well as catch their pray in the dark. Though they have poor visibility, they use a special navigation system which involves the generation of ultrasonic sound which in turn produces echoes. These ultrasonic sound waves are reflected back by the obstacles in their path. They determine the distance, velocity, etc of the objects in front of them. This helps them in navigation and catching their prey. Hence they need their ears open.
So the correct answer is 'Eyes covered and ears open'.

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Re-Attempt Weekly Quiz Competition

Diversity in Living Organisms Test - 57

Result

Diversity in Living Organisms Test - 57

Score

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Rank

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SHARING IS CARING

Question 1

Pavo

Struthio

Columba

Testudo

Solution

Question 2

Rat snake

Ostrich

Pigeon

King Fisher

Solution

Question 3

Viviparous

Oviparous

Ovoviviparous

All of the above

Solution

Question 4

2, 2

1, 3

3, 1

2, 1

Solution

Question 5

Well developed and closely placed

Large by sparse

Small and scale like

Small and well differentiated

Solution

Question 6

Heart is four chambered

Well developed renal portal system

Sinus venosus and truncus arteriosus are lacking

RBCs are nucleated

Solution

Question 7

1.1 m

1.65 m

1.8 m

2.5 m

Solution

Question 8

Carnivores

Ventral nerve cord

Seven cranial nerves

Seven cervical vertebrate

Solution

Question 9

Extra - abdominal

Internal

Scrotal

None of the above

Solution

Question 10

Ears plugged and eyes covered

Eyes covered and ears open

Ears plugged and eyes open

All the above

Solution

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