Animal Kingdom

The flightless bird with forelimbs modified as paddle-like structures suited for swimming is known as:

1. Psittacula
2. Aptenodytes
3. Neophron
4. Struthio

Given below are two statements: In the light of the above statements, choose the most appropriate answer from the options given below:

1. Statement I is incorrect but Statement II is correct
2. Both Statement I and Statement II are correct
3. Both Statement I and Statement II are incorrect
4. Statement I is correct but Statement II is incorrect

The unique mammalian characteristics are :

1. hairs, pinna and mammary glands
2. hairs, pinna and indirect development
3. pinna, monocondylic skull and mammary glands
4. hairs, tympanic membrane and mammary glands

In which of the following animals, digestive tract has additional chambers like crop and gizzard?

1. Corvus, Columba, Chameleon
2. Bufo, Balaenoptera, Bungarus
3. Catla, Columba, Crocodilus
4. Pavo, Psittacula, Corvus

Which of the following animals has three chambered heart?

1. Pteropus
2. Scoliodon
3. Hippocampus
4. Chelone

Which one of the following organisms bears hollow and pneumatic long bones?

1. Ornithorhynchus
2. Neophron
3. Hemidactylus
4. Macropus

Identify the vertebrate group of animals characterised by crop and gizzard in its digestive system.

1. Amphibia
2. Osteichthyes
3. Reptilia
4. Aves

Which one of these animals is not a homeotherm?

1. Chelone
2. Macropus
3. Psittacula
4. Camelus

Which among these is the correct combination of aquatic mammals?

1. Dolphins, Seals, Trygon
2. Whales, Dolphins, Seals
3. Trygon, Whales, Seals
4. Seals, Dolphins, Sharks

Which one of the following characteristics is not shared by birds and mammals?

1. Viviparity
2. Warm blooded nature
3. Ossified endoskeleton
4. Breathing using lungs

Which of the following animals is not viviparous?

1. Platypus
2. Whale
3. Flying fox (Bat)
4. Elephant

The characteristics of Class Reptilia are

1. body covered with moist skin which is devoid of scales, the ear is represented by a tympanum, alimentary canal, urinary and reproductive tracts open into a common cloaca
2. fresh water animals with bony endoskeleton, air-bladder to regulate buoyancy
3. marine animals with cartilaginous endoskeleton, body covered with placoid scales
4. body covered with dry and cornified skin, scales over the body are epidermal, they do not have external ears.

Which one of the following animals is correctly matched with its one characteristic and the taxon?

1. [figure]
2. [figure]
3. [figure]
4. [figure]

Which one of the following characteristics is common both in humans and adult frogs?

1. Four chambered heart
2. Internal fertilization
3. Nucleated RBCs
4. Ureotelic mode of excretion

In which one of the following the genus name, its two characters and its class/phylum are correctly matched?

1. array|l|l|l| Genus name & Two characters & Class/Phylum \ Ascaris & (i) Body segmented & Annelida \ & (ii) Males and females distinct & \ array
2. array|l|l|l| Genus name & Two characters & Class/Phylum \ Salamandra & (i) A tympanum represents ear & Amphibia \ & (ii) Fertilization is external & \ array
3. array|l|l|l| Genus name & Two characters & Class/Phylum \ Pteropus & (i) Skin possesses hair & Mammalia \ & (ii) Oviparous & \ array
4. array|l|l|l| Genus name & Two characters & Class/Phylum \ Aurelia & (i) Cnidoblasts & Coelenterata \ & (ii) Organ level of organization & \ array

Which one of the following in birds indicates their reptilian ancestry?

1. Two special chambers crop and gizzard in their digestive tract
2. Eggs with a calcareous shell
3. Scales on their hind limbs
4. Four-chambered heart

Which of the following pairs are correctly matched? array|l|l|c|l| & Animals & & Morphological features \ (i) & Crocodile & – & 4-chambered heart \ (ii) & Sea urchin & – & Parapodia \ (iii) & Obelia & – & Metagenesis \ (iv) & Lemur & – & Thecodont \ array

1. (ii), (iii) and (iv)
2. only (i) and (iv)
3. only (i) and (ii)
4. (i), (iii) and (iv)

What is common between parrot, platypus and kangaroo?

1. Toothless jaws
2. Functional post-anal tail
3. Oviparity
4. Homoiothermy

In which one of the following sets of animals do all the four give birth to young ones?

1. Kangaroo, hedgehog, dolphin, Loris
2. Lion, bat, whale, ostrich
3. Platypus, penguin, bat, hippopotamus
4. Shrew, bat, cat, kiwi

Which one of the following characters is not typical of the class Mammalia?

1. Thecodont dentition
2. Alveolar lungs
3. Ten pairs of cranial nerves
4. Seven cervical vertebrae

One of the following is a very unique feature of the mammalian body

1. homeothermy
2. presence of diaphragm
3. four chambered heart
4. rib cage

What is true for mammalia?

1. Platypus is oviparous.
2. Bats have feathers.
3. Elephant is ovoviviparous.
4. Diaphragm is absent in them.

Which gland secretes odorous secretion in mammals?

1. Bartholin's
2. Prostate
3. Anal gland
4. Liver