“The Knowledge Library”

Knowledge for All, without Barriers…

An Initiative by: Kausik Chakraborty.

Latest Post -:

National Cadet Corps Day | राष्ट्रीय कैडेट कोर दिवस 🌸 National Organ Donation Day | राष्ट्रीय अंगदान दिवस🌸 Constitution Day |  संविधान दिवस 🌸Dr. Verghese Kurien Birthday | डॉ. वर्गीज कुरियन  जन्मदिवस 🌸 World Environment Protection Day |  विश्व पर्यावरण संरक्षण दिवस 🌸26/11 Mumbai terror attacks | 26/11 मुंबई आतंकी हमला🌸 World Day to Eradicate Violence against Women | विश्व महिला हिंसा उन्मूलन दिवस 🌸World Non-Vegetarian Day | विश्व मांसाहार निषेध दिवस 🌸Guru Tegh Bahadur | गुरु तेग बहादुर 🌸Physico-organism-vegetation-archaeologist Jagadish Chandra Bose | भौतिक-जीव-वनस्पति-पुरातत्व विज्ञानी जगदीश चंद्र बोस🌸Veer Shiromani Durgadas Rathore | वीर शिरोमणि दुर्गादास राठौर🌸Veerangana Jhalkari Bai's birthday | वीरांगना झलकारी बाई जन्मदिवस 🌸World Hello Day| विश्व हैलो दिवस🌸World Television Day | विश्व टेलीविजन दिवस 🌸World Television Day | विश्व टेलीविजन दिवस 🌸Milkha Singh Birthday | मिलखा सिंह जन्मदिवस 🌸International Day of the Rights of the Child Universal Day of the Child | अंतर्राष्ट्रीय बाल अधिकार दिवस सार्वभौमिक बाल दिवस 🌸Indira Gandhi Jayanti | इंदिरा गांधी जयंती 🌸World Toilet Day | विश्व शौचालय दिवस 🌸Rani Lakshmibai birth anniversary | वीरता और शौर्य की बेमिसाल 'रानी लक्ष्मीबाई'  जयंती 

“The Knowledge Library”

Knowledge for All, without Barriers…

 

An Initiative by: Kausik Chakraborty.
National Cadet Corps Day | राष्ट्रीय कैडेट कोर दिवस 🌸 National Organ Donation Day | राष्ट्रीय अंगदान दिवस🌸 Constitution Day |  संविधान दिवस 🌸Dr. Verghese Kurien Birthday | डॉ. वर्गीज कुरियन  जन्मदिवस 🌸 World Environment Protection Day |  विश्व पर्यावरण संरक्षण दिवस 🌸26/11 Mumbai terror attacks | 26/11 मुंबई आतंकी हमला🌸 World Day to Eradicate Violence against Women | विश्व महिला हिंसा उन्मूलन दिवस 🌸World Non-Vegetarian Day | विश्व मांसाहार निषेध दिवस 🌸Guru Tegh Bahadur | गुरु तेग बहादुर 🌸Physico-organism-vegetation-archaeologist Jagadish Chandra Bose | भौतिक-जीव-वनस्पति-पुरातत्व विज्ञानी जगदीश चंद्र बोस🌸Veer Shiromani Durgadas Rathore | वीर शिरोमणि दुर्गादास राठौर🌸Veerangana Jhalkari Bai's birthday | वीरांगना झलकारी बाई जन्मदिवस 🌸World Hello Day| विश्व हैलो दिवस🌸World Television Day | विश्व टेलीविजन दिवस 🌸World Television Day | विश्व टेलीविजन दिवस 🌸Milkha Singh Birthday | मिलखा सिंह जन्मदिवस 🌸International Day of the Rights of the Child Universal Day of the Child | अंतर्राष्ट्रीय बाल अधिकार दिवस सार्वभौमिक बाल दिवस 🌸Indira Gandhi Jayanti | इंदिरा गांधी जयंती 🌸World Toilet Day | विश्व शौचालय दिवस 🌸Rani Lakshmibai birth anniversary | वीरता और शौर्य की बेमिसाल 'रानी लक्ष्मीबाई'  जयंती 

“The Knowledge Library”

Knowledge for All, without Barriers……….
An Initiative by: Kausik Chakraborty.

The Knowledge Library

Animal Kingdom: MCQ Questions and Answers

Q. Mammary gland is found in

(a) Aves

(b) Mammalia

(c) Amphibian

(d) Reptile

Correct Answer: (b) Mammalia

Q. Which one of the following Mammalia live in water?

(a) Bat

(b) platypus

(c) pat

(d) Blue whole

Correct Answer: (d) Blue whole

Q. Which mammalian have adapted to fly?

(a) fox

(b) penguin

(c) ostrich

(d) all of the above

Correct Answer: (b) penguin

Q. Different types of teeth are present in the jaw in _

(a) crocodile

(b) snake

(c) Frog

(d) Human

Correct Answer: (d) Human

Q. When any plane passing through the central axis of the body divides the organism into two identical halves, it is called

(a) asymmetrical

(b) radial symmetry

(c) bilateral symmetry

(d) all of the above

Correct Answer: (b) radial symmetry

Q. All chordates possess

(a) exoskeleton

(b) limbs

(c) skull

(d) axial skeletal rod of the notochord

Correct Answer: (d) axial skeletal rod of the notochord

Q.  A common characteristic of all vertebrates is

(a) presence of skull

(b) division of the body into head, neck, trunk and tail

(c) presence of two pairs of functional appendages

(d) the body is covered with an exoskeleton

Correct Answer: (a) presence of skull

Q. Pneumatic bones are expected to be found in

(a) pigeon

(b) house lizard

(c) frog’s tadpole

(d) flying fish

Correct Answer: (a) pigeon

Q. The long bones are hollow and connected by air passages these are characteristics of

(a) mammals

(b) reptiles

(c) birds

(d) all land vertebrates

Correct Answer: (c) birds

Q. Animals/organisms floating on the surface of the water is

(a) plankton

(b) pelagic

(c) benthos

(d) neritic

Correct Answer: (a) plankton

Q. Earthworms are

(a) useful

(b) harmful

(c) more useful than harmful

(d) more harmful

Correct Answer: (a) useful

Q. A chordate character is

(a) gills

(b) spiracles

(c) postanal tail

(d) chitinous exoskeleton

Correct Answer: (c) postanal tail

Q. Malpighian tubules are

(a) excretory organs of insects

(b) excretory organs of annelids

(c) respiratory organs of insects

(d) respiratory organs of annelids

Correct Answer: (a) excretory organs of insects

Q. Skin is a respiratory organ in

(a) lizards

(b) birds

(c) primitive mammals

(d) frog

Correct Answer: (d) frog

Q. Silk thread is obtained from silk moth during

(a) pupal state

(b) larval state

(c) nymph state

(d) adult state

Correct Answer: (a) pupal state

Q. Flight muscles of birds are attached to

(a) clavicle

(b) keel of sternum

(c) scapula

(d) coracoid

Correct Answer: (b) keel of sternum

Q. Classification of Porifera is based on

(a) branching

(b) spicules

(c) reproduction

(d) symmetry

Correct Answer: (b) spicules

Q. Metamorphosis of insects is regulated through hormone

(a) pheromone

(b) thyroxine

(c) ecdysone

(d) All of the above

Correct Answer: (c) ecdysone

Q. Which one occurs in Echinodermata?

(a) Bilateral symmetry

(b) Radical symmetry

(c) Porous body

(d) Soft skin

Correct Answer: (b) Radical symmetry

Q. Bull Frog of India is

(a) Rana tigrina

(b) R. sylvatica

(c) R. ecutesbeiana

(d) R. esculenta

Correct Answer: (a) Rana tigrina

Q. The cervical vertebrae in humans is

(a) same as in whale

(b) more than that in rabbit

(c) double than that of horse

(d) less than that in giraffe

Correct Answer: (a) same as in whale

Q. Gorilla, chimpanzee, monkeys, and humans belong to the same

(a) species

(b) genus

(c) family

(d) order

Correct Answer: (d) order

Q. The body cavity formed by the splitting of the mesoderm is called

(a) pseudocoelom

(b) coelom

(c) haemocoel

(d) blastocoel

Correct Answer: (b) coelom

Q. Pseudocoelom is found in

(a) cnidaria

(b) Platyhelminthes

(c) nematodes

(d) annelids

Correct Answer: (c) nematodes

Q. The body of the tapeworm is said to be

(a) unsegmented

(b) pseudo segmented

(c) metamerically segmented

(d) none of these

Correct Answer: (b) pseudo segmented

Q. Which of the following cells are found in Porifera only?

(a) choanocytes

(b) cnidoblasts

(c) sensory cells

(d) gland cells

Correct Answer: (a) choanocytes

Q. Which of the following is found in sponges only?

(a) mesoglea

(b) nerve cells

(c) one exit

(d) numerous inlets

Correct Answer: (d) numerous inlets

Q. Choanocytes are found in

(a) outer epithelium

(b) inner epithelium

(c) mesoglea

(d) spongocoel

Correct Answer: (b) inner epithelium

Q. Coelenterates differ from other metazoans in having

(a) nematocysts

(b) gemmules

(c) radial symmetry

(d) polymorphism

Correct Answer: (a) nematocysts

Q. Which of the following does not have a medusa stage?

(a) jellyfish

(b) hydra

(c) obelia

(d) corals

Correct Answer: (b) hydra

Q. Which of the following level of organization is found in coelenterates?

(a) cellular

(b) tissue

(c) organ

(d) organ system

Correct Answer: (b) tissue

Q. The cavity present in Hydra is called

(a) haemocoel

(b) coelom

(c) blastocoel

(d) coelenteron

Correct Answer: (d) coelenteron

Q. Haemocoel is present in

(a) flatworms

(b) roundworms

(c) segmented worms

(d) insects

Correct Answer: (d) insects

Q. Excretion in flatworms is by

(a) malpighian tubule

(b) nephridia

(c) flame cells

(d) nephrons

Correct Answer: (c) flame cells

Q. A triploblastic, unsegmented animal with complete alimentary canal could be a

(a) roundworm

(b) Planaria

(c) liver fluke

(d) Hydra

Correct Answer: (a) roundworm

Q. The tapeworm takes its food by

(a) suckers

(b) mouth

(c) scolex

(d) skin

Correct Answer: (d) skin

Q. Nematodes are not found in

(a) soil

(b) freshwater

(c) seawater

(d) none of these

Correct Answer: (d) none of these

Q. The alimentary canal of nematodes has

(a) only mouth

(b) only anus

(c) mouth and anus

(d) no intestine

Correct Answer: (c) mouth and anus

Q. Which animal shows locomotion by setae?

(a) roundworm

(b) earthworm

(c) leech

(d) tapeworm

Correct Answer: (b) earthworm

Q. The coral reef is formed by

(a) echinoderms

(b) coelenterates

(c) molluscs

(d) shells

Correct Answer: (b) coelenterates

Q. The common name of Sepia is

(a) dogfish

(b) silverfish

(c) cuttlefish

(d) flyingfish

Correct Answer: (c) cuttlefish

Q. Which of the following has an ink gland?

(a) cuttlefish

(b) hydra

(c) snail

(d) oyster

Correct Answer: (a) cuttlefish

Q. The radially symmetrical, diploblastic animals belong to the phylum

(a) Porifera

(b) Coelenterata

(c) Platyhelminthes

(d) Echinodermata

Correct Answer: (b) Coelenterata

Q. A pearl oyster belongs to the class

(a) Asteroidea

(b) lamellibranchia

(c) Gastropoda

(d) Cephalopoda

Correct Answer: (b) lamellibranchia

Q. Which animal has a modified mantle cavity to expel water with force?

(a) snail

(b) oyster

(c) squid

(d) chiton

Correct Answer: (c) squid

Q. A characteristic feature of insects is

(a) antennae

(b) 3 pairs of legs

(c) 1 pair of compound eyes

(d) 2 pairs of wings

Correct Answer: (b) 3 pairs of legs

Q. Which of the following is an insect?

(a) spider

(b) mite

(c) daphnia

(d) silverfish

Correct Answer: (d) silverfish

Q. Which of the following groups do not have the antennae?

(a) crustacea

(b) myriapoda

(c) insecta

(d) arachnida

Correct Answer: (d) arachnida

Q. An animal that has 1 pair of jointed legs on each segment is

(a) centipede

(b) millipede

(c) prawn

(d) Nereis

Correct Answer: (a) centipede

Q. Locomotion in starfish is with the help of

(a) spines

(b) feet

(c) water vascular system

(d) tentacles

Correct Answer: (c) water vascular system

Q. Which of the following is a fish?

(a) cuttlefish

(b) seahorse

(c) starfish

(d) silverfish

Correct Answer: (b) seahorse

Q. Which of the following is an echinoderm?

(a) sea urchin

(b) sea lion

(c) octopus

(d) oyster

Correct Answer: (a) sea urchin

Q. Which of the group is only marine?

(a) coelenterata

(b) mollusca

(c) porifera

(d) echinodermata

Correct Answer: (d) echinodermata

Q. Chordates may not have a

(a) vertebral column

(b) dorsal nerve cord

(c) gill slits

(d) notochord

Correct Answer: (a) vertebral column

Q. Which one is not a feature of Agnatha?

(a) parasites

(b) jawless mouth

(c) paired fins

(d) horny teeth

Correct Answer: (c) paired fins

Q. Which one of the following is not a bony fish?

(a) dogfish

(b) sea horse

(c) flying fish

(d) rohu

Correct Answer: (a) dogfish

Q. A shark does not have

(a) gill slits

(b) swim bladder

(c) placoid scales

(d) ventral mouth

Correct Answer: (b) swim bladder

Q. Which one of the following has a four-chambered heart?

(a) frog

(b) snake

(c) crocodile

(d) lizard

Correct Answer: (c) crocodile

Q. Which one of the following has a four-chambered heart?

(a) frog

(b) snake

(c) crocodile

(d) lizard

Correct Answer: (c) crocodile

Q. Which one of the following is a cold-blooded animal?

(a) cat

(b) ostrich

(c) lizard

(d) penguin

Correct Answer: (c) lizard

Q. Which one of the following is characteristic of mammals only?

(a) warm-blooded

(b) 4-chambered heart

(c) pinna

(d) Limbs with 5 toes

Correct Answer: (c) pinna

Q. Whale belongs to the group

(a) Edentata

(b) cetacea

(c) Carnivora

(d) Rodentia

Correct Answer: (b) cetacea

Q. The most primitive placental mammal is

(a) Platypus

(b) bat

(c) shrew

(d) mice

Correct Answer: (c) shrew

Q. The lateral line system of sense organs is found only in

(a) birds

(b) bats

(c) sharks

(d) snakes

Correct Answer: (c) sharks

Q. Man belongs to the group

(a) prosimians

(b) primates

(c) edentates

(d) cetacea

Correct Answer: (b) primates

Q. Rodents are also known as

(a) hoofed mammals

(b) toothless mammals

(c) gnawing mammals

(d) carnivores

Correct Answer: (c) gnawing mammals

Q. All hoofed mammals

(a) have horns

(b) are cud-chewing

(c) are herbivores

(d) have four-chambered stomach

Correct Answer: (c) are herbivores

Q. Which of the following is a characteristic feature of sponges?

(a) Tissue level of organization

(b) Presence of Ostia

(c) Extracellular digestion

d) Indirect development

Correct Answer: (b) Presence of Ostia

Q. Collar cells are found in

(a) Sponges

(b) roundworms

(c) earthworm

(d) spider

Correct Answer: (a) Sponges

Q. The canal system is the characteristic feature of

(a) Arthropods

(b) Mollusca

(c) sponges

(d) echinoderms

Correct Answer: (c) sponges

Q. Which of the following phylum animals are mostly found in marine water but few are in freshwater

(a) Annelida

(b) Porifera

(c) Mollusca

(d) Chordata

Correct Answer: (b) Porifera

Q. Skeleton is made up of _ in Porifera

(a) Spicules

(b) Spongin

(c) Both a and b

(d) Chitin

Correct Answer: (c) Both a and b

Q. The cavity of coelenterates is called

(a) cavity

(b) coelom

(c) coelenteron

(d) all above

Correct Answer: (b) coelom

Q. Find the odd

(a) Sea fan

(b) sea horse

(c) sea cucumber

(d) sea lily

Correct Answer: (b) sea horse

Q. Which animal has a cylindrical form

(a) Physalia

(b) Admsia

(c) Hydra

(d) b & c

Correct Answer: (d) b & c

Q. Which animal is umbrella-shaped and free-swimming

(a) Aurelia

(b) Jelly-fish

(c) Hydra

(d) a & b

Correct Answer: (d) a & b

Q. Which of the following is rightly matched?

(a) Physalia – Portuguese man of war

(b) pennatula – sea fan

(c) Adamsia – sea-pen

(d) aorgonia – sea anemone

Correct Answer: (a) Physalia – Portuguese man of war

Q. Corals have a skeleton composed of

(a) CaCO3

(b) CaPO4

(c) CaCl2

(d) CaSiO2

Correct Answer: (a) CaCO3

Q. Cnidoblasts are used for

(a) Anchorage

(b) Defense

(c) Capture

(d) All of the given

Correct Answer: (d) All of the given

Q. The gastro-vascular cavity is located in

(a) Earthworm

(b) Hydra

(c) Liver fluke

(d) Ascaris

Correct Answer: (b) Hydra

Q. The body bears _ external rods of ciliated comb plates in pleurobrachia

(a) Eight

(b) Four

(c) Ten

(d) Sixteen

Correct Answer: (a) Eight

Q. Ctenophores are commonly known as

(a) Flatworms

(b) Sea walnuts

(c) roundworms

(d) sponges

Correct Answer: (b) Sea walnuts

Q. The excretory cells, that are found in Platyhelminthes are

(a) Nephridia

(b) Coller cells

(c) Flame cells

(d) all above

Correct Answer: (c) Flame cells

Q. The function of suckers cell in liver fluke

(a) Defense

(b) Reproduction

(c) Locomotion

(d) Absorb nutrients

Correct Answer: (d) Absorb nutrients

Q. Ascaris is found in

(a) body cavity

(b) tissue

(c) alimentary canal

(d) lymph nodes

Correct Answer: (c) alimentary canal

Q. The pseudocoelomate among these is

(a) Porifera

(b) Annelida

(c) Mollusca

(d) Aschelminthes

Correct Answer: (d) Aschelminthes

Q. Which is correct for earthworm

(a) segments

(b) parapodia

(c) nephridia

(d) all of given

Correct Answer: (d) all of given

Q. The neural system consists of paired ganglia connected by lateral nerves to double _ in Annelida

(a) ventral nerve cord

(b) dorsal nerve cord

(c) Anterior nerve cord

(d) posterior nerve cord

Correct Answer: (a) ventral nerve cord

Q. Blood sucking animal is

(a) Neris

(b) Earthworm

(c) a & b

(d) Leech

Correct Answer: (d) Leech

Q.  __ which help in swimming in Annelida.

(a) parapodia

(b) Nephridia

(c) sucker

(d) seaments

Correct Answer: (a) parapodia

Q. This is the largest phylum of Animals on the earth

(a) Mollusca

(b) Amphibia

(c) Arthropoda

(d) Aves

Correct Answer: (c) Arthropoda

Q. The body of arthropods is covered by _ exoskeleton

(a) calcium carbonate

(b) calcium sulphate

(c) chitiarous

(d) conchin

Correct Answer: (c) chitiarous

Q. The respiratory organ in Arthropoda

(a) gill

(b) book gill

(c) tracheal system

(d) all of given

Correct Answer: (d) all of given

Q. The excretory organ in cockroach is

(a) green gland

(b) malpighian tubules

(c) nephridia

(d) kidney

Correct Answer: (b) malpighian tubules

Q. The mouth contains a file-like rasping organ for fooding, called _ in Molluscs.

(a) radulla

(b) medulla

(c) Gizzard

(d) teeth

Correct Answer: (a) radulla

Q. In which of the following phyla, while the adult shows radial symmetry, the larva shows bilateral symmetry?

(a) Mollusca

(b) Echinodermata

(c) Arthropoda

(d) Annelida

Correct Answer: (b) Echinodermata

Q. An excretory system is absent in

(a) Sepia

(b) Crab

(c) Starfish

(d) Earthworm

Correct Answer: (c) Starfish

Q. Water vascular system which help in

(a) Cocomotion

(b) capture and transport of food

(c) respiration

(d) all above

Correct Answer: (d) all above

Q. The body is cylindrical and composed of __ in Hemichordata

(a) Proboscis

(b) collar

(c) trunk

(d) all the above

Correct Answer: (d) all the above

Q. Into how many sub-phylum Chordata is divided?

(a) two

(b) four

(c) six

(d) three

Correct Answer: (d) three

Q. The notochord is replaced by a __ vertebral column in chordata

(a) cartilaginous

(b) bony

(c) both of a & b

(d) none of those

Correct Answer: (c) both of a & b

Q. Notochord is present only in larval tail

(a) urochordata

(b) cephalochordata

(c) vertebrata

(d) protochordates

Correct Answer: (a) urochordata

Q. Vertebrates have a ventral muscular heart with _ chambers

(a) two

(b) three

(c) four

(d) all above

Correct Answer: (d) all above

Q. _ have a sucking and circular mouth without jaws

(a) lamprey

(b) scoliodon

(c) catla

(d) rohu

Correct Answer: (a) lamprey

Q. Larve of _ after metamorphosis return to the ocean

(a) scoliodon

(b) shark

(c) lamprcy

(d) catla

Correct Answer: (c) lamprcy

Q. Chondrichthyes is characterized by

(a) ventral mouth

(b) placoid scale

(c) ctenoid scale and ventral mouth

(d) placoid scale and ventral mouth

Correct Answer: (d) placoid scale and ventral mouth

Q. Air bladder is absent in

(a) Dog fish

(b) catla

(c) Pohu

(d) flying fish

Correct Answer: (a) Dog fish

Q. Sea horse is

(a) a bird

(b) a mammal

(c) an amphibian

(d) a fish

Correct Answer: (d) a fish

Q. Terminal mouth occur in

(a) catla

(b) Electric ray

(c) shark

(d) stingray

Correct Answer: (a) catla

Q. Which of the following is oviparous fish?

(a) shark

(b) sea horse

(c) catla

(d) all the above

Correct Answer: (d) all the above

Q. The scaleless vertebrate is

(a) snake

(b) Rohu

(c) shark

(d) rat

Correct Answer: (d) rat

Q. They are cold-blooded animal

(a) horse

(b) sea-horse

(c) bat

(d) crane

Correct Answer: (b) sea-horse

Q. The limbless amphibians are

(a) Tree fog

(b) Toad

(c) Pana

(d) Ichthyophis

Correct Answer: (d) Ichthyophis

Q. _ open into a common chamber called the cloaca

(a) Alimentary canal

(b) reproductive tract

(c) urinary

(d) all the above

Correct Answer: (d) all the above

Q. Choose the correct combination of the given option

(a) Rana – Frog

(b) Ichthyophis – Toad

(c) Hyla – Salamander

(d) salamander – toad

Correct Answer: (a) Rana – Frog

Q. Which type of Respiratory is/are found in amphibians

(a) gills

(b) lungs

(c) skin

(d) all of the above

Correct Answer: (d) all of the above

Q. Dry skin with scales or scutes without gland is a characteristic of

(a) Aves

(b) Pisces

(c) Reptilia

(d) mammals

Correct Answer: (c) Reptilia

Q. A four-chambered heart is not found in

(a) mammals

(b) crocodile

(c) birds

(d) snake

Correct Answer: (d) snake

Q. They do not have external __ opening in reptilla

(a) Nose

(b) Jaws

(c) Ear

(d) scale

Correct Answer: (c) Ear

Q. Which animals of the following reptile are poisonous?

(a) Turtle

(b) Tree lizard

(c) Crocodile

(d) krait

Correct Answer: (d) krait

Q. Choose the correct combination of the given option?

(a) calotes – garden lizard

(b) chameleon – krait

(c) Naja – viper

(d) crocodilus – tortoise

Correct Answer: (a) calotes – garden lizard

Q. Which of the following is a flightless bird?

(a) pigeon

(b) vulture

(c) parrot

(d) ostrich

Correct Answer: (d) ostrich

Q. The hind limb generally have _ in Aves

(a) nail

(b) scales

(c) wing

(d) joint skin

Correct Answer: (b) scales

Q. The hind limbs are modified for _ in Aves

(a) walking

(b) swimming

(c) clasping

(d) all of the above

Correct Answer: (d) all of the above

Q. Which of the following is present on the skin of the bird

(a) wax gland

(b) oil gland

(c) Hormonal gland

(d) green gland

Correct Answer: (b) oil gland

Q. The gizzard is associated with _ in birds

(a) Reproductive system

(b) Digestive system

(c) circulatory system

(d) skeletal system

Correct Answer: (b) Digestive system

Q. The blood of Aves is

(a) warm

(b) cold

(c) warm and cold

(d) semi worm

Correct Answer: (a) warm

Q. Which is correct for birds?

(a) Air sacs

(b) Mammary gland

(c) tail

(d) viviparous

Correct Answer: (a) Air sacs

Q. Air sacs is connected to __ in birds

(a) wings

(b) Bone

(c) lungs

(d) limbs

Correct Answer: (c) lungs

Sign up to Receive Awesome Content in your Inbox, Frequently.

We don’t Spam!
Thank You for your Valuable Time

Share this post