Vertebrata

Q.

What are poikilotherms? Give example?

Q. Assertion: Bats and whales are classified as mammals.
Reason: Bats and whales have four chambered heart.

1. Both Assertion and Reason are true and Reason is the correct explanation of Assertion
2. Both Assertion and Reason are true but Reason is not the correct explanation of Assertion
3. Assertion is true but Reason is false
4. Both Assertion and Reason are false

Q.

Name two aquatic animals.

Q.

Octopus belongs to which Phylum of the animal kingdom?

Q. Choose the odd one out on the basis of number of chambers of heart.

1. Human
2. Monkey
3. Dog
4. Frog

Q. Moist skin is a characteristic of _____.

1. human
2. frog
3. dog
4. rabbit

Q. Dolphins are oviparous animals.

1. True
2. False

Q. In tadpole stage, frogs breathe through their _____.

1. heart
2. lungs
3. gills
4. skin

Q. Which of the following is an egg laying mammal?

1. Kangaroo
2. Whale
3. Bat
4. Platypus

Q.

Name the glands present in class Mammalia.

Q. Question 4
What are the differences between animals belonging to the Aves group and those in the mammalian group?

Q. Which of the following are characteristics of a blue whale?

1. It has gills for breathing.
2. It has hair on its skin.
3. It has a four chambered heart.
4. It can survive on both land and water.

Q. Which of these animals is the most similar to humans?

1. Chimpanzee
2. Frog
3. Whale
4. Snake

Q.

Do poikilotherms hibernate?

Q. Identify the class to which the following organisms belong to-

1. Aves
2. Pisces
3. Reptilia
4. Mammalia

Q. Which of the following statement about adult frogs is incorrect?

1. Lay eggs in water.
2. Belongs to class Amphibia.
3. Breathe through gills.
4. Has three-chambered heart.

Q. Assertion :Whale is a mammal. Reason: It is because of its viviparous nature and abundant hair on its body.

1. Both Assertion and Reason are correct and Reason is the correct explanation for Assertion.
2. Both Assertion and Reason are correct but Reason is not the correct explanation for Assertion.
3. Assertion is correct but Reason is incorrect.
4. Assertion is correct but Reason is correct.

Q.

Dolphins and whales breathe through __________________

Q. Match the Following.

$\begin{array}{cc}\text{Column I}& \text{Column II}\\ \text{a) Pisces}& \text{1.Gills in larva, lungs in most adults}\\ \text{b) Amphibia}& \text{2.Exoskeleton of hair, have mammary gland}\\ \text{c) Reptilia}& \text{3.Exoskeleton of feathers, lay eggs outside water}\\ \text{d) Aves}& \text{4.Exoskeleton of scales , breathe through gills}\\ \text{e) Mammalia}& \text{5.Exoskeleton of scales, lay eggs outside water}\end{array}$

1. a-4 b-5 c-1 d-2 e-3
2. a-4 b-1 c-5 d-2 e-3
3. a-4 b-1 c-5 d-3 e-2
4. a-2 b-1 c-5 d-3 e-4

Q. Match the Following.

$\begin{array}{cc}\text{Column I}& \text{Column II}\\ \text{a) Pisces}& \text{1.Gills in larva, lungs in most adults}\\ \text{b) Amphibia}& \text{2.Exoskeleton of hair, have mammary gland}\\ \text{c) Reptilia}& \text{3.Exoskeleton of feathers, lay eggs outside water}\\ \text{d) Aves}& \text{4.Exoskeleton of scales , breathe through gills}\\ \text{e) Mammalia}& \text{5.Exoskeleton of scales, lay eggs outside water}\end{array}$

1. a-4 b-5 c-1 d-2 e-3
2. a-4 b-1 c-5 d-2 e-3
3. a-4 b-1 c-5 d-3 e-2
4. a-2 b-1 c-5 d-3 e-4

Q. Observe the given set of characteristics and identify the class of vertebrata they belong to:
i. Cartilaginous or bony endoskeleton
ii. Poikilothermal
iii. Spindle shaped body

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

Q. Unscramble and match the following:
$\begin{array}{cccc}& \text{Column I}& & \text{Column II}\\ \text{A}& \text{RPAIOOVUS}& \text{1}& \text{Consists of single cell.}\\ \text{B}& \text{IHBINAPMA}& \text{2}& \text{Lays eggs.}\\ \text{C}& \text{LLULNCIEURA}& \text{3}& \text{Contains vertebral column.}\\ \text{D}& \text{TBREVETEEAR}& \text{4}& \text{Lives on both land and water.}\end{array}$

1. A-2, B-4, C-1, D-3
2. A-4, B-2, C-1, D-3
3. A-2, B-4, C-3, D-1
4. A-4, B-2, C-3, D-1

Q. Roni visited an aquarium with her teacher to study about various organisms. She saw an organism, with fins and tails swimming around. Her teacher told her that it is a warm-blooded animal. What could the animal be? Also, identify the class to which the animal beongs to.

1. Salmon - Pisces
2. Amphioxus - Protochordata
3. Dolphin - Mammalia
4. Starfish - Echinodermata

Q. Explain how animals in Vertebrata are classified into further subgroups. [5 MARKS]

Q. Which of the following does not have a four-chambered heart?

1. Cobra
2. Cat
3. Crocodile
4. Sparrow

Q.

1 difference b/w lizard & snake

Q. Which of these following organisms shares maximum characteristics with frog?

1. Human
2. Chimpanzee
3. Dog
4. Salamander

Q. The forelimbs of birds are modified into:

1. Peak
2. Neck
3. Wings
4. Legs

Q.

Question 4
What are the differences between animals belonging to the Aves group and those in the mammalian group?

Q. why the snake and turtal both kept insame class