Diversity in Living Organisms Test

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Diversity in Living Organisms Test - 85

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Question 1
1 / -0

Broader inter-nasal septum occurs in

A
Rhesus Monkey

B
Baboon

C
Spider Monkey

D
Loris

Solution

Broader inter- nasal septum characteristic is present in new world monkey.
A. Rhesus Monkey- Old world monkey.
B. Baboon - Old world monkey.
C. Spider Monkey- New world monkey.
D. Loris- Prosimian.
So, the correct answer is 'Spider Monkey'.
Question 2
1 / -0

Ecdysone, the hormone controlling moulting in insects, is secreted by ______

A
Corpora allata

B
Prothoracic glands

C
Corpora cardiaca

D
Both A and B

Solution

B. Prothoracic glands
EXPLANATION: Ecdysone is a steroid hormone. It is secreted from prothoracic glands of insects. Ecdysone stimulates metamorphosis and regulates molting in insects when it is in the active form.
Question 3
1 / -0

The structures furcula, urostyle, endostyle are present respectively in

A
Pavo, Rhacophorus, Branchiostoma

B
Causaris, Gegenophis, Amphioxus

C
Apteryx, Rana, Ascidia

D
Pavo, Proteus, Pyrosoma
Solution
Furcula or wish bone is a forked bone found in pavo. It is formed by the fusion of two clavicles.
Urostyle is the bony rod forming the last segment of the vertebral column of frog and rhacophorus.
Endostyle is a longitudinal ciliated groove on the vertical wall of the pharynx which produces mucus to gather food particles and is found in Branchiostoma. (cephalochordate)
Question 4
1 / -0

In Gallus domesticus, the male is

A
Larger

B
With larger comb and wattles

C
With a spur

D
All of the above

Solution

The chicken (Gallus domesticus ) is a type of domesticated fowl, a subspecies of the red jungle fowl in which the male is larger.
So, the correct answer is 'Larger'.
Question 5
1 / -0

In which group, high regulated body temperature and limited fat reserve, make a large requirement of food high in energy value

A
Mammals

B
Fishes

C
Reptiles

D
Birds
Solution
Birds have high basal metabolic rates. As with metabolic rates, birds tend to have higher body temperatures than mammals. In general body temperatures of birds ranges from about 38-42 degrees Celsius.
Birds have limited fat reserves because in cold weather these warm-blooded animals burn the fat to maintain their body temperature.
Because of these reasons birds make a large requirement of food high in energy value.
Question 6
1 / -0

Membranous partition between pericardial cavity and pleuropericardial cavity is

A
Septum transversum

B
Mediastinal septum

C
Diaphragm

D
None of the above

Solution

Septum transversum is found in the embryo which later helps in formation of diaphragm and membrane of the liver.
The diaphragm is the muscular membrane separating the thoracic cavity from the abdominal cavity.
The plueropericardial membranes and the pericardial membranes are fused into the mediastinal septum which hence separates both the cavities.
So the correct answer is 'Mediastinal septum'.
Question 7
1 / -0

Grey Heron can be differentiated from Flamingo by

A
Colour

B
Standing position

C
Beak

D
All of the above
Solution
- Grey Herons are grey in color, flamingo birds are rosy pink in color.
- Grey Heron stands on one leg with neck sunk between shoulders. Flamingo stands on one leg while the other is tucked beneath their bodies.
- Grey Heron has long spear-like beaks. Flamingos have curved beak and are uniquely used upside down. i.e Grey Heron is differentiated from flamingos by color, standing position, and beak.
Thus, the correct answer is 'All of the above'.
Question 8
1 / -0

Which one has a raft-like keel, a preen gland and a penis?

A
Dromaius

B
Passer

C
Struthio

D
Tinamus

Solution

Tinamous have all the three mentioned features, that is, they have a raft-like keel, they have a preen gland and they also possess a penis, which rarely some birds do.
So, the correct answer is 'Tinamus'.
Question 9
1 / -0

Which one is wading bird:

A
Grey Heron

B
Kingfisher

C
Flamingo

D
All the above

Solution

Birds of the order Ciconiiformes have long legs and that is why they are called Wader birds. Some examples are Flamingo, Kingfisher, Grey Heron. They have long legs so that they can stand in water and hunt.
So, the correct answer is option D.
Question 10
1 / -0

In Bubo the head bears

A
Large ears

B
A tuft of feathers

C
Two tufts of feathers

D
Comb and Wattle

Solution

Bubo is commonly known as a great horned owl. It is a large, heavy and robust bird, measuring upto60cm in length. The colour is dark brown streaked and mottled with tawny buff and black. Head is large and bears two conspicuous black ear tufts or horns. Two prominent feather tufts above head look like ears hence the name great horned owl.
So, the correct answer is 'Two tufts of feathers'.

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Diversity in Living Organisms Test - 85

Result

Diversity in Living Organisms Test - 85

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SHARING IS CARING

Question 1

Rhesus Monkey

Baboon

Spider Monkey

Loris

Solution

Question 2

Corpora allata

Prothoracic glands

Corpora cardiaca

Both A and B

Solution

Question 3

Pavo, Rhacophorus, Branchiostoma

Causaris, Gegenophis, Amphioxus

Apteryx, Rana, Ascidia

Pavo, Proteus, Pyrosoma

Solution

Question 4

Larger

With larger comb and wattles

With a spur

All of the above

Solution

Question 5

Mammals

Fishes

Reptiles

Birds

Solution

Question 6

Septum transversum

Mediastinal septum

Diaphragm

None of the above

Solution

Question 7

Colour

Standing position

Beak

All of the above

Solution

Question 8

Dromaius

Passer

Struthio

Tinamus

Solution

Question 9

Grey Heron

Kingfisher

Flamingo

All the above

Solution

Question 10

Large ears

A tuft of feathers

Two tufts of feathers

Comb and Wattle

Solution

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