NEET 2021 | Locomotion and Movement Question 10 | Biology

During muscular contraction which of the following events occur?

(1) 'H' zone disappears

(2) 'A' band widens

(3) 'I' band reduces in width

(4) Myosine hydrolyzes ATP, releasing the ADP and Pi.

(5) Z-lines attached to actins are pulled inwards.

Choose the correct answer from the options given below.

(2), (4), (5), (1) only

(1), (3), (4), (5) only

(1), (2), (3), (4) only

(2), (3), (4), (5) only

NEET 2020 Phase 1

MCQ (Single Correct Answer)

-1

Match the following columns and select the correct option.

Column-I	Column-II
(a) Floating Ribs	(i) Located between second and seventh ribs
(b) Acromion	(ii) Head of the Humerus
(c) Scapula	(iii) Clavicle
(d) Glenoid cavity	(iv) Do not connect with the sternum

(A) $$ \to $$ (ii), (B) $$ \to $$ (iv), (C) $$ \to $$ (i), (D) $$ \to $$ (iii)

(A) $$ \to $$ (i), (B) $$ \to $$ (iii), (C) $$ \to $$ (ii), (D) $$ \to $$ (iv)

(A) $$ \to $$ (iv), (B) $$ \to $$ (iii), (C) $$ \to $$ (i), (D) $$ \to $$ (ii)

(A) $$ \to $$ (iii), (B) $$ \to $$ (ii), (C) $$ \to $$ (iv), (D) $$ \to $$ (i)

NEET 2019

MCQ (Single Correct Answer)

-1

Select the correct option :

Each rib is a flat thin bone and all the ribs are connected dorsally to the thoracic vertebrae and ventrally to the sternum

There are seven pairs of vertebrosternal, three pairs of vertebrochondral and two pairs of vertebral ribs

8^th, 9^th and 10^th pairs of ribs articulate directly with the sternum

11^th and 12^th pairs of ribs are connected to the sternum with the help of hyaline cartilage.

NEET 2019

MCQ (Single Correct Answer)

-1

Which of the following muscular disorders is inherited?

Myasthenia gravis

Botulism

Tetany

Muscular dystrophy

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NEET Subjects

Biology

Botany

Zoology

Human Health and Diseases Body Fluids and Its Circulation Locomotion and Movement Neural Control and Coordination Reproduction in Organisms Reproductive Health Structural Organisation in Animals Digestion and Absorption Excretory Products and Their Elimination Chemical Coordination and Integration Human Reproduction Animal Kingdom Breathing and Exchange of Gases Evolution