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Locomotion and Movement

Fill in the gaps: a) All mammals (except a few) have .........

Biology

Class 11

NCERT

Chapter 1: The Living World

11 questions

Chapter 2: Biological Classification

12 questions

Chapter 3: Plant Kingdom

12 questions

Chapter 4: Animal Kingdom

15 questions

Chapter 5: Morphology of Flowering Plants

15 questions

Chapter 6: Anatomy of Flowering Plants

12 questions

Chapter 7: Structural Organization in Animals

14 questions

Chapter 8: Cell: The Unit of Life

14 questions

Chapter 9: Biomolecules

15 questions

Chapter 10: Cell Cycle and Cell Division

16 questions

Chapter 11: Transport in Plants

16 questions

Chapter 12: Mineral Nutrition

10 questions

Chapter 13: Photosysnthesis in Higher Plants

9 questions

Chapter 14: Respiration in Plants

12 questions

Chapter 15: Plant Growth and Development

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Chapter 16: Digestion and Absorption

15 questions

Chapter 17: Breathing and Exchange of Gases

14 questions

Chapter 18: Body Fluids and Circulation

14 questions

Chapter 19: Excretory Products and their Elimination

12 questions

Chapter 20: Locomotion and Movement

10 questions

Name the type of joint between the following.

(a) Atlas/axis

(b) Carpal/metacarpal of thumb

(d) Femur/acetabulum

(e) Between cranial bones

(f) Between pubic bones in the pelvic girdle

Fill in the gaps:
a) All mammals (except a few) have ............ cervical vertebra.

(b) The number of phalanges in each limb of human is ...........

(d) In a muscle fibre, Ca ++ is stored in .........

(e) ........... and ............. pairs of ribs are called floating ribs.

(f) The human cranium is made up of .......... bones.

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Chapter 21: Neural Control and Coordination

12 questions

Chapter 22: Chemical Coordination and Integration

9 questions

Question

Easy

Solving time: 2 mins

Fill in the gaps:
a) All mammals (except a few) have ............ cervical vertebra.
(b) The number of phalanges in each limb of human is ...........
(c) Thin filament of myofibril contains 2 F actins and two other proteins namely .......... and ...........
(d) In a muscle fibre, Ca ++ is stored in .........
(e) ........... and ............. pairs of ribs are called floating ribs.
(f) The human cranium is made up of .......... bones.

Name: Video solution 1: [Solved] Fill in the gaps:a) All mammals (except a few) have ............ cervical vertebra.(b) The number of phalanges in each limb of human is ........... (c) Thin filament of myofibril contains 2 F actins and two other proteins namely .......... and ...........(d) In a muscle fibre, Ca ++ is stored in .........(e) ........... and ............. pairs of ribs are called floating ribs.(f) The human cranium is made up of .......... bones. - Biology
Uploaded: 2022-07-13T17:07:02.000Z
Duration: 6 min

Views: 5,616 students

Updated on: Jul 13, 2022

Book:

Biology (NCERT)

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Fill in the gaps:
a) All mammals (except a few) have ............ cervical vertebra.

(b) The number of phalanges in each limb of human is ...........

(d) In a muscle fibre, Ca ++ is stored in .........

(e) ........... and ............. pairs of ribs are called floating ribs.

(f) The human cranium is made up of .......... bones.

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Discuss this question LIVE

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Text solutionVerified

All mammals (except a few) have seven cervical vertebrae.

As a rule, all mammals have the same number of vertebrae in their necks regardless of whether they are a giraffe, a mouse, or a human. But, both, sloths and manatees are exceptions to this rule having abnormal numbers of cervical vertebrae.

The number of phalanges in each limb of a human is 14.

Phalanges are better known as your fingers and toes. You have 14 phalange bones in each hand and 14 in each foot, grand total comes up to 56 phalanges.

A thin filament of myofibril contains 2 Ã¢â‚¬ËœF' actins and two other proteins, namely troponin and tropomyosin.

Tropomyosin and troponin are two other proteins found in small quantities in muscle. They help regulate muscle contraction.

Troponin is associated with the thin filaments and can bind to the actin molecules. There is usually one troponin per 6-8 actin molecules.

Tropomyosin is a long thin protein that extends between, and binds to, the troponin molecules.

In a muscle fibre, Ca

^{2 +}

is stored in the sarcoplasmic reticulum.

The sarcoplasmic reticulum is a specialized type of smooth ER that regulates the calcium ion concentration in the cytoplasm of striated muscle cells.

There are 12 pairs of bones found in human rib cage. 11th and 12th pairs of ribs are as called floating ribs.

The human cranium is made up of eight bones.

The entire group of bones that make up the head is called the skull and it too can be divided into two primary groups: the Cranium and the Facial area.

There are eight bones that make up the cranium, and six bones make up the facial area.

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Practice more questions from Biology (NCERT)

Name the type of joint between the following.

(a) Atlas/axis

(b) Carpal/metacarpal of thumb

(d) Femur/acetabulum

(e) Between cranial bones

(f) Between pubic bones in the pelvic girdle

Fill in the gaps:
a) All mammals (except a few) have ............ cervical vertebra.

(b) The number of phalanges in each limb of human is ...........

(d) In a muscle fibre, Ca ++ is stored in .........

(e) ........... and ............. pairs of ribs are called floating ribs.

(f) The human cranium is made up of .......... bones.

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Question Text	Fill in the gaps: a) All mammals (except a few) have ............ cervical vertebra. (b) The number of phalanges in each limb of human is ........... (c) Thin filament of myofibril contains 2 F actins and two other proteins namely .......... and ........... (d) In a muscle fibre, Ca ++ is stored in ......... (e) ........... and ............. pairs of ribs are called floating ribs. (f) The human cranium is made up of .......... bones.
Updated On	Jul 13, 2022
Topic	Locomotion and Movement
Subject	Biology
Class	Class 11
Answer Type	Text solution:1 Video solution: 1
Upvotes	165
Avg. Video Duration	6 min

Text solutionVerified

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