Diversity in Living Organisms Test

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Diversity in Living Organisms Test - 84

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Weekly Quiz Competition

Question 1
1 / -0

Bastard wing is

A
Injured wing

B
Wing in which barbules get disconnected

C
Tuft of small feathers on last digit

D
Tuft of small feathers on first digit

Solution

A) Bastard feathers is a tuft of small feathers on the first digit.
B) Barbules are present in bastard wings.
C) The feathers on the last digit are regular quill feathers.
D) Bastard feathers (alula) are a group of small quill feathers on the first digit of a bird's wing.
So the correct answer is 'Tuft of small feathers on the first digit'.
Question 2
1 / -0

Remiges are

A
Flight feathers of wings

B
Flight feathers of tail

C
Small feathers similar to quills

D
Small feathers that cover the body

Solution

A) Remiges are flight feathers that are found in wings.
B) Retrices are flight feathers that are found in the tail.
C) Remiges are large feathers.
D) Remiges are found only in the wings.
So the correct answer is 'Flight feathers of wings'.
Question 3
1 / -0

A mammal in which both the sexes produce milk is

A
Ornithorhyncus

B
Tachyglossus (Echidna)

C
Macropus

D
Didelphis

Solution

(A)Ornithorhynchus are the oviparous mammals in which both male and female can produce milk.
(B)Tachyglossus is also the oviparous mammals.
(C)Macropus is the mammals of the marsupial genus having the pocket for the development of their young ones.
(D)Didelphis are the marsupials endemic to the Western hemisphere.
So, the answer is 'Ornithorhynchus'.
Question 4
1 / -0

Gait of elephant is different from others.

A
Limbs bend both at knees and ankles.

B
There is no bending of limbs

C
There is bending of limbs in the region of ankles.

D
None of the above.

Solution

Gait is the term used for the pattern of movement of an animal’s limbs over a solid surface. Unlike most animals, during walking, the centre of mass of an elephant does not shift from side to side instead it stays at a constant height from the ground even though its legs bounce up and down. Pronounced knee bending is observed in elephants while running while no noticeable bending of limbs is observed. This works as a stress reduction mechanism.
So, the correct answer is 'There is no bending of limbs'.
Question 5
1 / -0

9 - banded Armadillo has

A
Elongated snout and only molar teeth

B
Bony plates

C
Cleavege polyembryony

D
All the above

Solution

The 9-banded armadillo is a mammal of almost the same size as a house cat. They have bony plates called scutes all over their body. They have a long snout and peg-like molar teeth. They also undergo cleave polyembryony in which a single zygote splits into many identical embryos.
So, the correct answer is 'All the above'.
Question 6
1 / -0

Heavy belly is characteristic of primate

A
Gorilla

B
Orangutan

C
Baboon

D
Gibbon

Solution

The orangutan is found in Borneo and Sumatra. It has a heavy belly and shabby, short legs. It bears long, reddish brown hair.
So, the correct answer is 'Orangutan'.
Question 7
1 / -0

New wold monkey differs from old world monkeys in

A
Presence of tail

B
Absence of ischial callosities

C
Flatter nose

D
Both B and C

Solution

New world monkey has:
1. The tail is prehensile.
2. Lack of ischial callosities.
3. Have a flat nose with a broad internasal septum.
So, the correct answer is 'Both B and C'.
Question 8
1 / -0

Even-toed unguligrade mammal which has nails instead of hoofs is

A
Giraffe

B
Camel

C
Cow

D
Sheep

Solution

The mammals in which claws and nails modified into hooves are called ungulate mammals in horse, cow, sheep etc but camels feet are not really hooves they possess hard nails that look like hooves and help its feet to not sink in the sand.
So the correct option is 'Camel'
Question 9
1 / -0

Solenocytes differ from flame cells in ________

A
Absence of cilia

B
Absence of connection with excretory canals

C
Presence of blood vessels

D
All of the above

Solution

A. Absence of cilia
EXPLANATION: Solenocytes are associated with excretion, osmoregulation and ionoregulation in some chordates under the sub-phylum cephalochordata. Solenocytes are flagellated and cilia is absent. Flame cells are found in the simplest fresh water invertebrates. It functions like kidney for removing waste materials from the body. Flame cells are ciliated.
Question 10
1 / -0

An ape having ischial callosities is

A
Gibbon

B
Orang Utan

C
Gorilla

D
Chimpanzee

Solution

The gibbon (Hylobates) is found in Assam hills. It is a small, primitive ape. It has hard callosities on the buttocks. It is the most gentle ape. It can walk fully erect. It is very clean and intelligent. The pads enable the monkeys to sleep sitting upright on thin branches, beyond reach of predators, without falling.
So, the correct answer is 'Gibbon'.

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Re-Attempt Weekly Quiz Competition

Diversity in Living Organisms Test - 84

Result

Diversity in Living Organisms Test - 84

Score

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Rank

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SHARING IS CARING

Question 1

Injured wing

Wing in which barbules get disconnected

Tuft of small feathers on last digit

Tuft of small feathers on first digit

Solution

Question 2

Flight feathers of wings

Flight feathers of tail

Small feathers similar to quills

Small feathers that cover the body

Solution

Question 3

Ornithorhyncus

Tachyglossus (Echidna)

Macropus

Didelphis

Solution

Question 4

Limbs bend both at knees and ankles.

There is no bending of limbs

There is bending of limbs in the region of ankles.

None of the above.

Solution

Question 5

Elongated snout and only molar teeth

Bony plates

Cleavege polyembryony

All the above

Solution

Question 6

Gorilla

Orangutan

Baboon

Gibbon

Solution

Question 7

Presence of tail

Absence of ischial callosities

Flatter nose

Both B and C

Solution

Question 8

Giraffe

Camel

Cow

Sheep

Solution

Question 9

Absence of cilia

Absence of connection with excretory canals

Presence of blood vessels

All of the above

Solution

Question 10

Gibbon

Orang Utan

Gorilla

Chimpanzee

Solution

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