World's only instant tutoring platform
dropdown-logo
Become a tutorPartnershipsAbout usStudent loginTutor login
About us
Login
App StorePlay Store
Get 2 FREE Instant-Explanations on Filo with code FILOAPP
Write true or false. If false change the statement so that it
Biology
Biology

Class 11

NCERT

Publisher:
NCERT
Subject:
Biology
1

Chapter 1: The Living World

11 questions

arrow
2

Chapter 2: Biological Classification

12 questions

arrow
3

Chapter 3: Plant Kingdom

12 questions

arrow
4

Chapter 4: Animal Kingdom

15 questions

arrow
5

Chapter 5: Morphology of Flowering Plants

15 questions

arrow
6

Chapter 6: Anatomy of Flowering Plants

12 questions

arrow
7

Chapter 7: Structural Organization in Animals

14 questions

arrow
8

Chapter 8: Cell: The Unit of Life

14 questions

arrow
9

Chapter 9: Biomolecules

15 questions

arrow
10

Chapter 10: Cell Cycle and Cell Division

16 questions

arrow
11

Chapter 11: Transport in Plants

16 questions

arrow
12

Chapter 12: Mineral Nutrition

10 questions

arrow
13

Chapter 13: Photosysnthesis in Higher Plants

9 questions

arrow
14

Chapter 14: Respiration in Plants

12 questions

arrow
15

Chapter 15: Plant Growth and Development

11 questions

arrow
16

Chapter 16: Digestion and Absorption

15 questions

arrow
17

Chapter 17: Breathing and Exchange of Gases

14 questions

arrow
18

Chapter 18: Body Fluids and Circulation

14 questions

arrow
19

Chapter 19: Excretory Products and their Elimination

12 questions

arrow
20

Chapter 20: Locomotion and Movement

10 questions

Q1
Describe the important steps in muscle contraction.
Q2
Write true or false. If false change the statement so that it is true.
(a) Actin is present in thin filament.
(b) H-zone of striated muscle fibre represents both thick and thin filaments.
(c) Human skeleton has 206 bones.
(d) There are 11 pairs of ribs in man.
(e) Sternum is present on the ventral side of the body.
Q3
Write the difference between:
(a) Actin and Myosin
(b) Red and White muscles
(c) Pectoral and Pelvic girdle
View all question
21

Chapter 21: Neural Control and Coordination

12 questions

arrow
22

Chapter 22: Chemical Coordination and Integration

9 questions

arrow
Question
Easy
Timing Icon

Solving time: 5 mins

Write true or false. If false change the statement so that it is true.
(a) Actin is present in thin filament.
(b) H-zone of striated muscle fibre represents both thick and thin filaments.
(c) Human skeleton has 206 bones.
(d) There are 11 pairs of ribs in man.
(e) Sternum is present on the ventral side of the body.

Views

Views: 5,514 students

Updated on: Sep 23, 2022

Book

Book:

Biology (NCERT)

tutor 0tutor 1tutor 2
Found 5 tutors discussing this question
Charlotte Discussed
Write true or false. If false change the statement so that it is true.
(a) Actin is present in thin filament.
(b) H-zone of striated muscle fibre represents both thick and thin filaments.
(c) Human skeleton has 206 bones.
(d) There are 11 pairs of ribs in man.
(e) Sternum is present on the ventral side of the body.
6 mins ago
Discuss this question LIVE
6 mins ago

Text SolutionText solutionverified iconVerified

(a) Muscle fibers are composed of myofibrils.The filaments of myofibrils consist of two types, thick and thin. The thick filaments are made of the potein myosin. The thin filaments are made of the protein actin.
So, the statement is true.
(b) The region of a striated muscle fibre that contains only thick (myosin) filaments is the H zone. It appears as a lighter band in the middle of the dark A band at the centre of a sarcomere.
So, the statement is false. H-zone of striated muscle fibre represents thick filament.
(c) The human skeleton is the internal framework of the body. It is composed of around 270 bones at birth which decreases to around 206 bones by adulthood after some bones get fused together.
So, the statement is true.
(d) Ribs are the long curved bones which form the rib cage. They protect the lungs, heart, and other internal organs of the thorax. There are 24 ribs in the human body, divided into two sets of 12 curved, flat bones.
So, the statement is false. There are 12 pairs of ribs in man.
(e) The sternum or breastbone is a long flat bone shaped located in the center of the chest. It lies at the anterior (ventral) middle part of the chest.
So, the statement is true.
Was this solution helpful?
10
Share
Report
Video Solution

Filo tutor solutions (3)

Learn from their 1-to-1 discussion with Filo tutors.

filo Logo
4 mins

Uploaded on: 8/17/2022

Ask your question, on a video call with tutor

Connect instantly with this tutor

Connect now

Taught by

tutor profile picture
Ashutosh Anand

Total classes on Filo by this tutor - 23,403

Teaches : Biology

Connect instantly with this tutor

Connect now

Notes from this class (2 pages)

Arrow
Download
Arrow
Arrow
Was this solution helpful?
90
Share
Report
filo Logo
4 mins

Uploaded on: 9/23/2022

Ask your question, on a video call with tutor

Connect instantly with this tutor

Connect now

Taught by

tutor profile picture
Rabshan Saifi

Total classes on Filo by this tutor - 5,692

Teaches : Biology, Physical Chemistry, Inorganic Chemistry

Connect instantly with this tutor

Connect now

Was this solution helpful?
90
Share
Report
filo Logo
14 mins

Uploaded on: 2/14/2022

Ask your question, on a video call with tutor

Connect instantly with this tutor

Connect now

Taught by

tutor profile picture
Aashish Devthia

Total classes on Filo by this tutor - 1,560

Teaches : Biology, Physics, Organic Chemistry

Connect instantly with this tutor

Connect now

Was this solution helpful?
89
Share
Report
One destination for complete JEE/NEET preparation
One destination to cover all your homework and assignment needs
Learn Practice Revision Succeed
Instant 1:1 help, 24x7
Instant 1:1 help, 24x7
60, 000+ Expert tutors
60, 000+ Expert tutors
Textbook solutions
Textbook solutions
Big idea maths, McGraw-Hill Education etc
Big idea maths, McGraw-Hill Education etc
Essay review
Essay review
Get expert feedback on your essay
Get expert feedback on your essay
Schedule classes
Schedule classes
High dosage tutoring from Dedicated 3 experts
High dosage tutoring from Dedicated 3 experts
Trusted by 4 million+ students

Practice more questions from Biology (NCERT)

Q1
Describe the important steps in muscle contraction.
Q2
Write true or false. If false change the statement so that it is true.
(a) Actin is present in thin filament.
(b) H-zone of striated muscle fibre represents both thick and thin filaments.
(c) Human skeleton has 206 bones.
(d) There are 11 pairs of ribs in man.
(e) Sternum is present on the ventral side of the body.
Q3
Write the difference between:
(a) Actin and Myosin
(b) Red and White muscles
(c) Pectoral and Pelvic girdle
View all

Practice questions from Biology (NCERT)

Question 1
Medium
Views

Views: 7,335

Draw the diagram of a sarcomere of skeletal muscle showing different regions.
Topic

Topic:

Locomotion and Movement

Book

Book:

Biology (NCERT)

View solution

Question 2
Easy
Views

Views: 7,279

Define sliding filament theory of muscle contraction.
Topic

Topic:

Locomotion and Movement

Book

Book:

Biology (NCERT)

View solution

Question 3
Easy
Views

Views: 5,656

Match the following
Topic

Topic:

Locomotion and Movement

Book

Book:

Biology (NCERT)

View solution

Question 4
Easy
Views

Views: 6,471

What are the different types of movements exhibited by the cells of human body?
Topic

Topic:

Locomotion and Movement

Book

Book:

Biology (NCERT)

View 2 solutions

Practice more questions from Locomotion and Movement

Question 1
Easy
Views

Views: 5,315

In human body, which one of the following is anatomically correct?
  1. Collar bones - 3 pairs
  2. Salivary glands - 1 pair
  3. Cranial nerves - 10 pairs
  4. Floating ribs - 2 pairs
Topic

Topic:

Locomotion and Movement

Book

Book:

33 Years NEET-AIPMT Chapterwise Solutions - Biology 2020 (MTG)

View 2 solutions

Question 2
Views

Views: 6,037

Out of ' ' pairs of ribs in humans only ' ' pairs are true ribs. Select the option that correctly represents values of and and provides their explanation.
  1. a
  2. b
  3. c
  4. d
Topic

Topic:

Locomotion and Movement

View 3 solutions

Question 3
Easy
Views

Views: 5,423

Sarcolemma is a membrane found over in:
  1. Nerve fibre
  2. Cardiac muscle
  3. Skeletal muscle fibre
  4. Heart
Topic

Topic:

Locomotion and Movement

Book

Book:

Precalculus

View solution

Question 4
Easy
Views

Views: 5,604

Knee joint is :
  1. Cartilaginous
  2. Fibrous
  3. Gliding joint
  4. Synovial
Topic

Topic:

Locomotion and Movement

View solution

Practice questions on similar concepts asked by Filo students

Question 1
Views

Views: 5,644

Male and Female Reproductive System Male Reproductive System Critical Thinking: A 38-year-old male is upset about his low sperm count and visits a "practitioner" who commonly advertises cures for sterility. The practitioner is a quack who treats low sperm count with megadoses of testosterone. Although his patients experience a huge surge in libido, their sperm count is even lower after treatment. a) Which two glands would be responsive to the megadose of testosterone? b) Identify the two hormones that would be affected by the megadose of testosterone. Would their levels increase or decrease? c) What role, if any, would either of the affected hormones have on the man's reduced sperm count? Female Reproductive System Critical Thinking: Teresa, a 38-year-old mother of seven children, visited her physician complaining of a feeling in her pelvis, low backache, urinary incontinence, vaginal discharge, low-grade fever, severe abdominal pain, and vaginal keloids. A vaginal examination showed that the external os of the cervix was just inside the vaginal orifice. Her history revealed that she was a member of a commune that shunned possible hospital births. a) Use correct anatomical terminology to help Teresa understand her medical problems related to the "bearing down" pain. b) Explain to Teresa what caused her to have the symptoms of low backache and "bearing down" pain. c) Teresa wants to know if her recent fever and vaginal discharge are related to her first set of symptoms. If so, what is the connection between the two sets of symptoms?
Topic

Topic:

Biology

View solution

Question 2
Views

Views: 5,257

Describe the main difference between the structure of living thing and that of a nonliving thing.
Topic

Topic:

Biology

View solution

Question 3
Views

Views: 5,174

Complete the steps of the contraction of a skeletal muscle cell: A motor neuron releases neurotransmitters onto ion channels in the sarcolemma. The channels open and sodium ions move into the cell (primarily) creating a depolarizing potential. If enough ions diffuse (reach threshold level), voltage-gated sodium channels in the sarcolemma will open in a wavelike fashion all over the sarcolemma and down the T-tubules (action potential). The voltage wave in the T-tubules activates voltage-sensing Ca++ channels (dihydropyridine receptor -DHP). The DHP receptors are mechanically linked to Ca++ release channels in the sarcoplasmic reticulum called ryanodine channels. These channels open and stored calcium ions rush out of the sarcoplasmic reticulum into the sarcoplasm. Ca++ binds to troponin, and this protein will "roll over" moving the tropomyosin off the active sites on the actin filaments (exposure of active sites). The myosin heads will attach to the active sites in the actin filaments and inorganic phosphate is released. This binding is called cross-bridge formation. ATP is released and myosin "pulls" the actin filaments toward the center of the sarcomere (pivoting of myosin heads). This step is called power stroke. ADP binds to the myosin head and myosin detaches from actin (detachment). Myosin head splits ATP into ADP and Pi through hydrolysis (myosin reactivation). More cross bridges can be formed... The sarcolemma repolarizes and hyperpolarizes due to the opening of potassium channels. Potassium diffuses out of the cell.
Topic

Topic:

Biology

View solution

Question 4
Views

Views: 5,419

Extracapsular (periarticular) ligaments are those outside the joint capsule and include all of the following except:
  1. - Collateral ligament
  2. - Proximal ligament
  3. - Dorsal ligament
  4. - Palmar ligament
Topic

Topic:

Biology

View solution

View more
Doubt Icon Doubt Icon

Stuck on the question or explanation?

Connect with our Biology tutors online and get step by step solution of this question.

231 students are taking LIVE classes

Related books for questions on Locomotion and Movement

next icon
next icon
Question Text
Write true or false. If false change the statement so that it is true.
(a) Actin is present in thin filament.
(b) H-zone of striated muscle fibre represents both thick and thin filaments.
(c) Human skeleton has 206 bones.
(d) There are 11 pairs of ribs in man.
(e) Sternum is present on the ventral side of the body.
Updated OnSep 23, 2022
TopicLocomotion and Movement
SubjectBiology
ClassClass 11
Answer TypeText solution:1 Video solution: 3
Upvotes279
Avg. Video Duration7 min