# data[].attributes.body
Q.1-
1)Reptiles have dry skin covered with scales or bony plates to minimize water loss.
2)They have lungs.

Q.2-

# data[].attributes.body
Q.1- List two terrestrial adaptations of reptiles.

Q.2- Justify 'snakes have a strong sense of smell.'

Q.3- List the characteristics of phylum reptilia.

Q.4- What is the other name for cold-blooded animals?

Q.5- The reptiles are the first fully adapted terrestrial animals. They dominated the earth about 200 million years ago in the Jurassic period. During this period many huge sized reptiles lived on earth, swam on water or flew in the air. These fossil reptiles are known as dinosaurs. But what factors were responsible for their extinction?

# data[].attributes.body
1.maintain body temperature
2. Keeps the body light weight,helps in flight
3.b
4.

# data[].attributes.body
Ans.1- Feathers serve the purpose of flying in birds. It also provides insulation and protection against cold.

Ans.2- The pneumatic bones helps in weight reduction of skeleton in birds. It is a kind of flight adaptation in birds.

Ans.3- b. crocodiles, birds and mammals

Ans.4- a.Trygon
b. Snakes
c.Platypus

Ans.5- It means jaws which are connected to the cranium.

Ans.6- Mackerels

Ans.7- gaseous exchange takes place through both skin and lungs.

Ans.8- Unlike other reptiles which have a 4- chambered heart, crocodiles have a 3- chambered heart.

Ans.9- Animals which reproduce by laying eggs are called oviparous.

Ans.10- Viviparous

Ans.11- Synonym for cold-blooded animals is poikilotherm and warm-blooded is homeotherm.

Ans.12- True

Ans.13- False

Ans.14- Spindle-shaped body

Ans.15- Lion

# data[].attributes.body
Q.1-  why is the presence of air bladder in pisces important ?

Q.2- What kind of body scales are present in bony fishes?

Q.3- Why the heart of fishes is commonly called 'the venous heart'?'

Q.4- What is the other name for fishes belonging to class- Cyclostomata?

Q.5- Which part of their body is cartilaginous. Give reasons.

Q.6- State the important characteristics of class- Chondrichthypes. Give examples.

Q.7- What kind of exoskeleton is present in the members of class- Osteichthyes?

# data[].attributes.body
1. (D) hemoetherms
2. (C) endothermic
3.(A) family
4. Help in reproduction
5.

# data[].attributes.body
Set no. :1

Ans1] D
Ans2] C
Ans3] A
Ans4] Help in reproduction

# data[].attributes.body
Ans.1- d. homeotherms
Ans.2- b. ectotherm
Ans.3- d. genus
Ans.4- claspers are young on male fishes on their pelvic fins which helps them in copulation.
Ans.5- Class reptilia exchange gas through their lungs unlike amphibians which can respire through both their lungs and skin. Though snakes are an exception.

score:3/5

# data[].attributes.body
1) Birds and Mammals Have One thing in common
A) pigmented bones
b) Pneumati bones
c) viviparity
d) Homeotherms

2).What kind of animal changes their temperature with the environment?

a)Mammal

b) Ectotherm

c) Endotherm

d) Bird

3)Species of the same __________ can cross-breed

a)Family

b)Class

c)Kingdom

d)Genus

4)What is the Main Function of Claspers ?

5)Do organisms of the class Reptilia carry out gas exchange in the same way amphibians do?

# data[].attributes.body
Q.1-What is the importance of feathers in birds?

Q.2-What is the importance of pneumatic bones and air sacs in Aves?

Q.3-Which one of the following sets of animals share a four chambered heart?
a. Amphibian, Reptiles, Birds
b. Crocodiles, Birds, Mammals
c. Crocodiles, Lizards, Turtles
d. Lizards, Mammals, Birds

Q.4-Give an example of the following:
b. Fish possessing poison sting
c. A limbless reptile/ amphibian
d. An oviparous mammal

Q.5-What do u mean by autostylic?

Q.6- What is a common example for a bony fish?

Q.7-Name the defining characteristics of Amphibians other than the fact that they live on both land and water?

Q.8-Why are crocodiles an exception in phylum reptilia?

Q.9-What do you mean by ovipourous ?

Q.10-What is the antonym of ovipourous ?

Q.11- What is the synonym for 'cold-blooded' and 'warm-blooded'?

Q.12- Aves are tetrapodes.(TRUE/FALSE)

Q.13-All birds are ovipourous(TRUE/FALSE)

Q.14-Birds have _________shaped body.

Q.15-Name a vivipourous mammal.