online test - Mahatmaacademy.com

online test

Welcome
Mahatma Academy online Exam Portal
Welcome    Exam Name:    Sign Out of Your Account
Remaining Time is:
Question No:1

Which of the following is a simple form of movement?

A. Which of the following is a simple form of movement?

B. Ciliary movement in paramecium

C. Flagellar movement in Euglena

D. All



Question No:2

The movement results in a change of place or location is known as

A. The movement results in a change of place or location is known as

B. Adduction

C. Abduction

D. Locomotion



Question No:3

Select the correct matching:
Column I--- Column II ---- Column III
A. Paramecium — 1) Cilia — X. Movement of food through cytopharynx and locomotion.
B. Hydra - 2) Tentacles - Y. Capturing of prey and for locomotion
C. Human — 3) Limbs - Z. Changes in body posture and for locomotion

A. Select the correct matching:
Column I--- Column II ---- Column III
A. Paramecium — 1) Cilia — X. Movement of food through cytopharynx and locomotion.
B. Hydra - 2) Tentacles - Y. Capturing of prey and for locomotion
C. Human — 3) Limbs - Z. Changes in body posture and for locomotion

B. A-1-Z, B-3-X, C-2-Y

C. A-3-Z, B-1-X, C-2-Y

D. A-2-Y, B-3-X, C-1-Z



Question No:4

Select the incorrect statement?

A. Select the incorrect statement?

B. All locomotion are movement but all movement are not locomotion

C. Methods of locomotion performed by animal very with their habitats and the demand of the situation

D. None



Question No:5

Locomotion is used for
(A) Search of food and Shelter
(B) Search for mate
(C) Search for suitable breeding ground
(D) Escaping from enemies/Predators

A. Locomotion is used for
(A) Search of food and Shelter
(B) Search for mate
(C) Search for suitable breeding ground
(D) Escaping from enemies/Predators

B. All except C

C. All except D

D. All



Question No:6

Which is the movement exhibited by cell of a human body?

A. Which is the movement exhibited by cell of a human body?

B. Ciliary

C. Fagellar

D. All



Question No:7

Which of the following cells exhibit amoeboid movement?

A. Which of the following cells exhibit amoeboid movement?

B. Leucocytes

C. RBC

D. Both (a) and (b)



Question No:8

Which of the following is correct about pseudopodia?

A. Which of the following is correct about pseudopodia?

B. Formed in amoeba and neutrophile

C. Both

D. None



Question No:9

Which of the following is involved in amoeboid movement?

A. Which of the following is involved in amoeboid movement?

B. Cilia

C. Flagella

D. Microfilament



Question No:10

Which of the following organs is lined with cilia?

A. Which of the following organs is lined with cilia?

B. Trachea

C. Intestine

D. Both (a) and (b)



Question No:11

Locomotion requires a perfect coordinated activity of

A. Locomotion requires a perfect coordinated activity of

B. skeletal system

C. neural system

D. all



Question No:12

Muscle is derived from

A. Muscle is derived from

B. Ectoderm

C. Endoderm

D. All



Question No:13

Muscle forms ______ % of adult human body

A. Muscle forms ______ % of adult human body

B. 40-50%

C. 50-60%

D. 60-70%



Question No:14

Muscles are characterized by

A. Muscles are characterized by

B. Extensibility

C. Elasticity

D. All



Question No:15

Muscles can be classified on which of the following criterion?

A. Muscles can be classified on which of the following criterion?

B. Appearance

C. Nature of regulation of their activities

D. All



Question No:16

How many types of muscles can be identified depending upon the location?

A. How many types of muscles can be identified depending upon the location?

B. 2

C. 3

D. 4



Question No:17

Which of the following is incorrect about skeletal muscles?

A. Which of the following is incorrect about skeletal muscles?

B. They are Voluntary muscle

C. Primarily involved in locomotory actions and changes of body postures

D. They are Involuntary muscles



Question No:18

Which of the following is incorrect about visceral muscles?

A. Which of the following is incorrect about visceral muscles?

B. Involuntary muscle

C. Located in inner walls of hollow visceral organs of the body

D. They are under in voluntary control



Question No:19

Smooth muscles help in

A. Smooth muscles help in

B. transfer of gametes through genital tract

C. micturition by urinary bladder

D. all



Question No:20

Cardiac muscle is characterized by

A. Cardiac muscle is characterized by

B. involuntary control

C. branching pattern

D. all



Question No:21

Which muscle is not under direct control of nervous system?

A. Which muscle is not under direct control of nervous system?

B. Smooth (Non-striated muscles)

C. Cardiac muscles

D. All



Question No:22

Muscle fibre is a

A. Muscle fibre is a

B. physiological unit of muscle

C. biochemical unit of muscle

D. none



Question No:23

Each organized skeletal muscle in our body is made up of a number of muscle bundles or fascicles held together by a common collagenous connective tissue layer called

A. Each organized skeletal muscle in our body is made up of a number of muscle bundles or fascicles held together by a common collagenous connective tissue layer called

B. Fascia

C. Pellicle

D. Capsule



Question No:24

Select the correct matching from the following:

A. Select the correct matching from the following:

B. Cytoplasm of muscle fiber — Sarcoplasm

C. Endoplasmic reticulum of muscle fiber - Sarcoplasmic reticulum

D. All



Question No:25

Sarcoplasmic reticulum is a storehouse of which ion

A. Sarcoplasmic reticulum is a storehouse of which ion

B. Na+

C. K+

D. Fe2+



Question No:26

Sarcolemma is a membrane found over

A. Sarcolemma is a membrane found over

B. cardiac muscle

C. skeletal muscle fibre

D. heart



Question No:27

The functional unit of the contractile system in the striped muscle is

A. The functional unit of the contractile system in the striped muscle is

B. A-band

C. Myofibril

D. Sarcomere



Question No:28

Contraction of a muscle is caused by

A. Contraction of a muscle is caused by

B. Actin

C. ATP

D. Actomyosin



Question No:29

The dark bands (A-bands) of a skeletal muscle are known as

A. The dark bands (A-bands) of a skeletal muscle are known as

B. Anisotropic bands

C. Intercalated disc

D. Cross bridges



Question No:30

The light bands (I-bands) of a skeletal muscles are known as

A. The light bands (I-bands) of a skeletal muscles are known as

B. Anisotropic bands

C. Intercalated disc

D. Cross bridges



Question No:31

Ciliary muscles are found in

A. Ciliary muscles are found in

B. Eyes of vertebrates

C. Heart of vertebrates

D. Stomach of frog



Question No:32

Inter costal muscles are found in

A. Inter costal muscles are found in

B. Thoracic ribs

C. Femur

D. Radius-ulna



Question No:33

The special contractile protein act in is found in

A. The special contractile protein act in is found in

B. thin filaments of I-bands

C. both thick and thin bands

D. whole of myofibril



Question No:34

Striped muscles have

A. Striped muscles have

B. many nuclei

C. two nuclei

D. no nuclei



Question No:35

Contractile fibrils of muscles are called

A. Contractile fibrils of muscles are called

B. collagen fibres

C. myofibrils

D. elastin



Question No:36

Myofibrils show alternate dark and light bands in

A. Myofibrils show alternate dark and light bands in

B. Smooth muscles

C. Skeletal muscles

D. both (a) and (c)



Question No:37

Select the correct statement:

A. Select the correct statement:

B. H-zone is present hi the middle of A-band

C. Actin and myosin are polymerized protein with contractility

D. All



Question No:38

Match the columns:
Column I---- Column II
(A) Inflammation of joints - (1) H-zone
(B) Protein of thick filament - (2) Myosin
(C) Protein of thin filament - (3) Actin
(D) The central part of thick filament not - (4) Arthritis
overlapped by thin filament

A. Match the columns:
Column I---- Column II
(A) Inflammation of joints - (1) H-zone
(B) Protein of thick filament - (2) Myosin
(C) Protein of thin filament - (3) Actin
(D) The central part of thick filament not - (4) Arthritis
overlapped by thin filament

B. A-1,B-3,C-2,D-4

C. A-4,B-1,C-2, D-3

D. A-4, B-2, C-3, D-1



Question No:39

Which of the following statements about the striated muscles is false?
1) Thick filaments hi the 'A' band are also held together in the middle of this band by a thin fibrous membrane called 'M' line.
2) In the centre of each T band is an elastic fibre called 'Z' line which bisects it.
3) The thin filaments are firmly attached to the 'Z' line.
4) This central part of thick filament, not overlapped by thin filaments is called the 'H' zone,

A. Which of the following statements about the striated muscles is false?
1) Thick filaments hi the 'A' band are also held together in the middle of this band by a thin fibrous membrane called 'M' line.
2) In the centre of each T band is an elastic fibre called 'Z' line which bisects it.
3) The thin filaments are firmly attached to the 'Z' line.
4) This central part of thick filament, not overlapped by thin filaments is called the 'H' zone,

B. only 2

C. 1 and 4 only

D. None



Question No:40

Which of the following statements about the molecular arrangement of actin in myofibrils is incorrect?
1) Each actin (thin) filament is made of two 'F' (filamentous) actins helically wound to each other.
2) Each 'F' actin is a polymer of monomeric 'G' (Globular) actins.
3) Two filaments of another protein, tropomyosin also run close to the 'F' actins throughout its length.
4) A complex protein Troponin is distributed at regular intervals on the tropomyosin.

A. Which of the following statements about the molecular arrangement of actin in myofibrils is incorrect?
1) Each actin (thin) filament is made of two 'F' (filamentous) actins helically wound to each other.
2) Each 'F' actin is a polymer of monomeric 'G' (Globular) actins.
3) Two filaments of another protein, tropomyosin also run close to the 'F' actins throughout its length.
4) A complex protein Troponin is distributed at regular intervals on the tropomyosin.

B. 3 only

C. only 4

D. None



Question No:41

Mechanism of muscle contraction is best explained by

A. Mechanism of muscle contraction is best explained by

B. sliding filament theory

C. Blackman’s law

D. all



Question No:42

ATP provides energy for muscle contraction by allowing for

A. ATP provides energy for muscle contraction by allowing for

B. cross-bridge detachment of myosin from actin

C. cross-bridge attachment of myosin to actin

D. release of Ca2+ from Sarcoplasmic reticulum



Question No:43

A motor unit is best described as

A. A motor unit is best described as

B. one muscle fibres and its single nerve fibre

C. a single motor neuron and all the muscle fibres that it innervates

D. as the neuron which carries the message from muscle to CNS



Question No:44

Motor end plate is a

A. Motor end plate is a

B. plate of motor neuron

C. dendron of motor neuron

D. gradient of protein motive force



Question No:45

During muscle contraction,

A. During muscle contraction,

B. chemical energy is changed into mechanical energy

C. chemical energy is changed into physical energy

D. mechanical energy is changed into chemical energy