NCERT Class 11 Science — Chapter 7: Locomotion and Movement

The human cranium is formed by how many bones?

Which of the following types of cells in the human body exhibit amoeboid movement?

Assertion (A): Cartilaginous joints allow for free movement in all directions. Reason (R): The joint between the adjacent vertebrae in the vertebral column is of the cartilaginous type.

Consider the following pairs about hand bones and their counts: 1. Carpals-7 2. Metacarpals-5 3. Phalanges-14 4. Tarsals-8 How many pairs are correctly matched?

The red-coloured oxygen-storing pigment present in muscles is:

Which bone is commonly referred to as the collar bone and with what does it articulate on the scapula?

Which U-shaped bone is present at the base of the buccal cavity and does not articulate with any other bone?

Assertion (A): The femur is the longest and strongest bone in the human body. Reason (R): The pectoral girdle consists of two bones: the clavicle and the scapula.

Which of the following is one of the three auditory ossicles in the middle ear?

Which of the following correctly lists the serial regions and vertebral counts in an adult human?

Match the type of joint with its example: List I | List II A. Ball and socket joint | 1. Between Atlas and Axis B. Hinge joint | 2. Between Carpal and Metacarpal of thumb C. Pivot joint | 3. Between Humerus and Pectoral girdle D. Saddle joint | 4. Knee joint Select the correct answer using the code given below

Compared to red muscle fibres, white muscle fibres are characterised by:

Ciliary movement in the trachea helps in removing which of the following from the respiratory passage?

Flagella and cilia emerge from centriole-like structures called:

The connective tissue layer that surrounds a bundle of muscle fibres (fascicle) is called:

In humans, flagellar movement is primarily exhibited by:

The functional unit of muscle contraction between two Z-lines is the:

Muscle fatigue during prolonged strenuous exercise is primarily caused by the accumulation of:

The first cervical vertebra, which articulates with the occipital condyles, is called the:

Which neurotransmitter is released at the neuromuscular junction to trigger muscle contraction?

Pseudopodia in amoeboid cells are formed by the streaming of:

A motor unit consists of:

Which cartilage type predominantly contributes to the pubic symphysis?