Tamil Nadu Board of Secondary EducationHSC Science Class 11th
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HSC Science Class 11th - Tamil Nadu Board of Secondary Education Question Bank Solutions for Zoology

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Zoology
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A living organism is differentiated from nonliving structure based on ______.

[0.01] The Living World
Chapter: [0.01] The Living World
Concept: Diversity in the Living World

Who coined the term biodiversity?

[0.01] The Living World
Chapter: [0.01] The Living World
Concept: Diversity in the Living World

Why elephants and other wild animals are entering into human living area?

[0.01] The Living World
Chapter: [0.01] The Living World
Concept: Diversity in the Living World

What is the difference between a Zoo and wild life sanctuary?

[0.01] The Living World
Chapter: [0.01] The Living World
Concept: Diversity in the Living World

The symmetry exhibited in cnidarians is ______.

[0.02] Kingdom Animalia
Chapter: [0.02] Kingdom Animalia
Concept: New Criteria for Basis of Classification

Which of the following animals has a true coelom?

[0.02] Kingdom Animalia
Chapter: [0.02] Kingdom Animalia
Concept: New Criteria for Basis of Classification

In Pheretima locomotion occurs with the help of ______.

[0.02] Kingdom Animalia
Chapter: [0.02] Kingdom Animalia
Concept: New Criteria for Basis of Classification

Which of the following have the highest number of species in nature? 

[0.02] Kingdom Animalia
Chapter: [0.02] Kingdom Animalia
Concept: New Criteria for Basis of Classification

Which of the following is a crustacean?

[0.02] Kingdom Animalia
Chapter: [0.02] Kingdom Animalia
Concept: New Criteria for Basis of Classification

Lateral line sense organs occur in ______.

[0.02] Kingdom Animalia
Chapter: [0.02] Kingdom Animalia
Concept: New Criteria for Basis of Classification

Match the following columns and select the correct option.

  Column – I   Column – II
(p) Pila (i) Devil fish
(q) Dentalium (ii) Chiton
(r) Chaetopleura (iii) Apple snail
(s) Octopus (iv) Tusk shell
[0.02] Kingdom Animalia
Chapter: [0.02] Kingdom Animalia
Concept: New Criteria for Basis of Classification

Compare Schizocoelom with enterocoelom.

[0.02] Kingdom Animalia
Chapter: [0.02] Kingdom Animalia
Concept: New Criteria for Basis of Classification

Identify the structure that the archenteron becomes in a developing animal.

[0.02] Kingdom Animalia
Chapter: [0.02] Kingdom Animalia
Concept: New Criteria for Basis of Classification

Observe the animal below and answer the following questions.

  1. Identify the animal.
  2. What type of symmetry does this animal exhibit?
  3. Is this animal Cephalized?
  4. How many germ layers does this animal have?
  5. How many openings does this animal’s digestive system have?
  6. Does this animal have neurons?
[0.02] Kingdom Animalia
Chapter: [0.02] Kingdom Animalia
Concept: New Criteria for Basis of Classification

Choose the term that does not belong in the following group and explain why it does not belong?

Notochord, cephalisation, dorsal nerve cord and radial symmetry.

[0.02] Kingdom Animalia
Chapter: [0.02] Kingdom Animalia
Concept: New Criteria for Basis of Classification

What are flame cells?

[0.02] Kingdom Animalia
Chapter: [0.02] Kingdom Animalia
Concept: New Criteria for Basis of Classification

The clitellum is a distinct part in the body of earthworm Lampito mauritii, it is found in?

[0.04] Organ and Organ Systems in Animals
Chapter: [0.04] Organ and Organ Systems in Animals
Concept: Earthworm - Lampito Mauritii

Sexually, earthworms are ______.

[0.04] Organ and Organ Systems in Animals
Chapter: [0.04] Organ and Organ Systems in Animals
Concept: Earthworm - Lampito Mauritii

To sustain themselves, earthworms must guide their way through the soil using their powerful muscles. They gather nutrients by ingesting organic matter and soil, absorbing what they need into their bodies. State whether the statement is true or false: The two ends of the earthworm can equally ingest soil.

[0.04] Organ and Organ Systems in Animals
Chapter: [0.04] Organ and Organ Systems in Animals
Concept: Earthworm - Lampito Mauritii

Choose the wrong statement among the following:

[0.04] Organ and Organ Systems in Animals
Chapter: [0.04] Organ and Organ Systems in Animals
Concept: Earthworm - Lampito Mauritii
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