Amphibia

Q.

Define ammonotelic, ureotelic, and uricotelic animals. Give examples of each.

Q.

The animals which can live both in water as well as on land are called _______ .

Q. How do lizards stick to the Wall

Q.

Does photoperiod affect reproduction in reptiles?

Q.

What are 3 examples of jawless fishes?

Q.

Give two examples of each of the following:

Warm-blooded animals

Q.

Which structural features help the amphibians to get adapted to both terrestrial and aquatic habitats?

Q.

What is bilateral symmetry?

Q.

Is a turtle an example of bilateral symmetry?

Q.

The exoskeleton is absent in:

1. fishes
2. frog
3. rabbit
4. toad

1. (i), (ii)

2. (ii), (iii)

3. (i), (iii)

4. (ii), (iv)

Q.

Which among the following have scales?

1. Amphibians

2. Pisces

3. Reptiles

4. Mammals

Q.

As we know that frogs and salamander are amphibians but why do frogs reproduces externally and salamander reproduces internally?

Q.

What is hologamy?

Q.

What is the function of the tympanum in reptiles?

Q.

All fishes and amphibians are said to be cold-blooded animals. What does cold-blooded mean?

1. They feel cold all the time.

2. Their body temperature changes with that of the environment.

3. They lower the water temperature as soon as they come in contact with water.

4. They can live only in cold climates.

Q.

What is meant by triploblastic?

Q. Why frogs are said to be amphibians?

Q. What does mesodermal cells from a single cell during growth of embryo mean?

Q.

What do you understand by the term tetrapoda ? Name two classes belonging to tetrapoda.

Q.

The study of development is called?

1. Taxonomy

2. Palaeontology

3. Embryology

4. Physiology

Q.

Which of the Following is Incorrect for Rana?

1. Renal portal system: Special venous connection between kidneys and lower parts of the body.

2. Hepatic portal system: Special venous connection between liver and intestine

3. Lymph: Has proteins and RBCs.

4. RBCs: Oval and nucleated.

Q.

Assertion (A): The excretory products of lizards is uric acid.​

​Reason (R): Lizards show terrestrial habitat.​

Q.

Question 15
Amphibians do not have the following

(a) Three chambered heart
(b) Gills or lungs
(c) Scales
(d) Mucus glands

Q.

Question 19
Match the animals in Column I with their mode of feeding listed in Column II.

$\begin{array}{cc}& \\ ColumnI& ColumnII\\ Animals& ModeofFeeding\\ \left(a\right)Housefly& \left(i\right)Bitingandchewing\\ \left(b\right)Cockroach& \left(ii\right)Suckling\\ \left(c\right)Mosquito& \left(iii\right)Sponging\\ \left(d\right)Infants& \left(iv\right)Sucking\end{array}$

Q.

Jawless, exclusive marine bottom dwelling ectoparasites with cartilaginous vertebral column are grouped under the class:

1. Osteichthyes

2. Cyclostomata

3. Cephalochordata

4. Urochordata

Q.

Amphibians are:

1. cold-blooded and stay active all winter.

2. cold-blooded and go into hibernation in winter.

3. warm-blooded and go into hibernation in winter.

4. warm-blooded and stay active all winter.

Q.

Heart of crocodile is ___ chambered.

Q.

Amphibians are the first vertebrates to possess a three chambered heart.

1. True

2. False

Q.

If horse is dog, dog is cat, cat is snake, snake is lion and lion is a giraffe, then which is the animal that lay eggs

Q. To which group does sea horse (Hippocampus) belong?