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Chapters
2: Kingdom Animalia
3: Tissue Level of Organisation
▶ 4: Organ and Organ Systems in Animals
5: Digestion and Absorption
6: Respiration
7: Body Fluids and Circulation
8: Excretion
9: Locomotion and Movement
10: Neural Control and Coordination
11: Chemical Coordination and Integration
12: Trends in Economic Zoology
![Samacheer Kalvi solutions for Biology (Zoology) [English] Class 11 TN Board chapter 4 - Organ and Organ Systems in Animals - Shaalaa.com](/images/biology-zoology-english-class-11-tn-board_6:5f2b1b2038084cf381bfa42c826a928c.jpg "Samacheer Kalvi solutions for Biology (Zoology) [English] Class 11 TN Board chapter 4 - Organ and Organ Systems in Animals")
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Solutions for Chapter 4: Organ and Organ Systems in Animals
Below listed, you can find solutions for Chapter 4 of Tamil Nadu Board of Secondary Education Samacheer Kalvi for Biology (Zoology) [English] Class 11 TN Board.
Samacheer Kalvi solutions for Biology (Zoology) [English] Class 11 TN Board 4 Organ and Organ Systems in Animals Evaluation [Pages 70 - 71]
The clitellum is a distinct part in the body of earthworm Lampito mauritii, it is found in?
Segments 13 - 14
Segments 14 - 17
Segments 12 - 13
Segments 14 - 16
Sexually, earthworms are ______.
Sexes are separate
Hermaphroditic but not self-fertilizing
Hermaphroditic and self-fertilizing
Parthenogenic
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.
True
False
The head region of Cockroach __________________ eyes occur.
One pair of sessile compound and kidney shaped
Two pairs of stalked compound and round shaped
Many pairs of sessile simple and kidney shaped
Many pairs of stalked compound and kidney shaped
The location and numbers of malpighian tubules in Periplaneta.
At the junction of midgut and hindgut, about 150.
At the junction of foregut and midgut, about 150.
Surrounding gizzard, eight.
At the junction of colon and rectum, eight.
The type of vision in Cockroach is ______.
Three dimensional
Two dimensional
Mosaic
Cockroach do not have vision
How many abdominal segments are present in male and female Cockroaches?
10, 10
9, 10
8, 10
9, 9
Which of the following have an open circulatory system?
Frog
Earthworm
Pigeon
Cockroach
Buccopharyngeal respiration in frog ______.
is increased when nostrils are closed
Stops when there is pulmonary respiration
is increased when it is catching fly
stops when mouth is opened
Kidney of frog is ______.
Archinephros
Pronephros
Mesonephros
Metanephros
Presence of gills in the tadpole of frog indicates that ______.
fishes were amphibious in the past
fishes evolved from frog-like ancestors
frogs will have gills in future
frogs evolved from gilled ancestor
Choose the wrong statement among the following:
In earthworm, a pair of male genital pore is present.
Setae help in locomotion of earthworms.
Muscular layer in the body wall of earthworm is made up of circular muscles and longitudinal muscles.
Typhlosole is part of the intestine of earthworm.
Which of the following are the sense organs of Cockroach?
Antennae, compound eyes, maxillary palps, anal cerci
Antennae, compound eye, maxillary palps and tegmina
Antennae, ommatidia, maxillary palps, sternumv and anal style
Antennae, eyes, maxillary palps, tarsus of walking legs and coxa
What characteristics are used to identify the earthworms?
What are earthworm casts?
How do earthworms breathe?
Why do you call cockroach a pest?
Comment on the functions of alary muscles?
Name the visual units of the compound eyes of cockroach.
How does the male frog attracts the female for mating?
Write the types of respiration seen in frog.
Differentiate between peristomium and prostomium in earthworm.
Give the location of clitellum and spermathecal openings in Lampito mauritii.
Differentiate between tergum and a sternum.
Head of cockroach is called hypognathous. Why?
What are the components of blood in frog?
Draw a neat labeled diagram of the digestive system of frog.
Explain the male reproductive system of frog.
Explain the female reproductive system of frog.
Differentiate between male and female cockroach?
Solutions for 4: Organ and Organ Systems in Animals
Samacheer Kalvi solutions for Biology (Zoology) [English] Class 11 TN Board chapter 4 - Organ and Organ Systems in Animals
Shaalaa.com has the Tamil Nadu Board of Secondary Education Mathematics Biology (Zoology) [English] Class 11 TN Board Tamil Nadu Board of Secondary Education solutions in a manner that help students grasp basic concepts better and faster. The detailed, step-by-step solutions will help you understand the concepts better and clarify any confusion. Samacheer Kalvi solutions for Mathematics Biology (Zoology) [English] Class 11 TN Board Tamil Nadu Board of Secondary Education 4 (Organ and Organ Systems in Animals) include all questions with answers and detailed explanations. This will clear students' doubts about questions and improve their application skills while preparing for board exams.
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Concepts covered in Biology (Zoology) [English] Class 11 TN Board chapter 4 Organ and Organ Systems in Animals are Earthworm - Lampito Mauritii, Cockroach - Periplaneta Americana, Frog - Rana Hexadactyla.
Using Samacheer Kalvi Biology (Zoology) [English] Class 11 TN Board solutions Organ and Organ Systems in Animals exercise by students is an easy way to prepare for the exams, as they involve solutions arranged chapter-wise and also page-wise. The questions involved in Samacheer Kalvi Solutions are essential questions that can be asked in the final exam. Maximum Tamil Nadu Board of Secondary Education Biology (Zoology) [English] Class 11 TN Board students prefer Samacheer Kalvi Textbook Solutions to score more in exams.
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