Tag: muscle tissues

Questions Related to muscle tissues

Which of the following tissue is not found in the skin of man ?

biology animal tissue muscular tissues muscle tissue muscle tissues

  1. Epithelial tissue

  2. Areolar tissue

  3. Dense fibrous connective tiisue

  4. Both $(1)$ and $(3)$

Show answer
Correct Option: A
Explanation:

Epithelial tissues line the outer surface of organs and blood vessels throughout the body, as well as the inner surface of cavities in many internal organs. The human skin has up to seven layers of ectodermal tissues and guards the underlying muscles, Bones, etc.

The skin consist of $3$ layers of tissues, the epidermis an outer most layer the contains the primary protective structure, the stratum corneum, the dermis, a Fibrous layer that supports and strengthens the epidermis; and the subcutis.

Each myoglobin binds with ________________.

biology animal tissue muscular tissues muscle tissue muscle tissues

  1. One molecule of $O _2$

  2. $4$ molecule of $O _2$

  3. Two molecules of $O _2$

  4. $3$ molecules of $O _2$

Show answer
Correct Option: A
Explanation:

Myoglobin is similar to hemoglobin in a way that both are oxygen-carrying protein but in a different location. It can bind to only one molecule of oxygen because it is a monomeric protein.

So the correct option is "One molecule of $O _2$".

Loss of water from body occurs by all of the following except

biology animal tissue muscular tissues muscle tissue muscle tissues

  1. Muscles

  2. Lungs

  3. Kinney

  4. Skin

Show answer
Correct Option: A

In transgenics, expression of transgene in target tissue is determined by ____________.

biology animal tissue muscular tissues muscle tissue muscle tissues

  1. Reporter

  2. Enhancer

  3. Transgene

  4. Promotor

Show answer
Correct Option: D

Which of the following option is not related with the other three options?

biology animal tissue muscular tissues muscle tissue muscle tissues

  1. Keratin

  2. Elastin

  3. Dextrin

  4. Collagen

Show answer
Correct Option: C
Explanation:

Keratin is a family of fibrous structural proteins. It is the protein that protects epithelial cells from damage or stress that has potential to kill the cell.

Elastin is a highly elastic protein in connective tissue and allows many tissues in the body to resume their shape after stretching or contracting.
Dextrins are a group of low-molecular-weight carbohydrates produced by the hydrolysis of starch or glycogen. 
Collagen is the main structural protein in the extracellular space in the various connective tissues in animals.
As Dextrin is a carbohydrate, whereas rest others are proteins, hence it is unrelated. Hence, option C is correct.

The muscle fatigue occurs due to accumulation of

biology animal tissue muscular tissues muscle tissue muscle tissues

  1. ${ CO } _{ 2 }$

  2. Lactic acid

  3. Creatine phosphate

  4. Myosin ATPase

Show answer
Correct Option: B
Explanation:

Aerobic respiration gives more energy but is a slow process. Anaerobic respiration like lactic acid fermentation is a fast process but releases less energy. In the case of rapid muscular contraction, the muscles perform lactic acid fermentation to provide for rapid energy intake. This process releases lactic acid which causes pain and muscle fatigue. So, the correct answer is option B.

Immediate source of energy for muscle contraction is

biology animal tissue muscular tissues muscle tissue muscle tissues

  1. Glucose

  2. GTP

  3. ATP

  4. Creatine phosphate

Show answer
Correct Option: C
Explanation:

Muscles have two major proteins actin and myosin. These are mostly contractile proteins. The energy from the hydrolysis of ATP by myosin head is directly used in the power stroke i.e., flexing of myosin head during muscular contraction. ATP is also used during muscle relaxation in the absence of ATP the myosin head will continue to bind with actin head and the muscle fibre shall remain contracted. So, the correct answer is option C.

Movements in body are brought about by ____________

biology animal tissue muscular tissues muscle tissue muscle tissues

  1. Muscular tissue

  2. Epithelial tissues

  3. Bones

  4. Tendons and ligaments

Show answer
Correct Option: A
Explanation:

Epithelial tissues are meant for covering and protecting the body, organs and cavities. They are not involved in body movements.
Bones form the framework of the body. They are hard and rigid. To carry out body movement property of contraction and relaxation is necessary. But bones can not contract.
Tendon is a tough fibrous connective tissue, which connects muscle to bone. Tendon does not have the property of contraction and relaxation. The ligament is a fibrous connective tissue, which connects bone to another bone. It is flexible but is not present throughout the body to carry out body movement.
Muscular tissues possess the property of contraction and relaxation. They are attached to bones. With the help of bones, muscular tissue carries out body movement. Therefore, option A is correct. 

Contraction and relaxation are unique features of_______________

biology animal tissue muscular tissues muscle tissue muscle tissues

  1. Epithelial tissue

  2. Connective tissue

  3. Muscle tissue

  4. Nervous tissue

Show answer
Correct Option: C
Explanation:

Epithelial tissue is meant for covering and protecting the body, organs and cavities. They do not possess the property of contraction and relaxation. 
Connective tissue connects, supports and separates the organs in the body. These are present in different forms as fluid, jelly-like rigid, hard forms. 
Nervous tissue is meant for rapid transmission of the signals from one place to another. These tissues do not contract or relax.

Muscle cells are elongated and possess contractile proteins as actin, myosin. These proteins carry out contraction and relaxation of muscles and cause the body movement. Therefore, option C is correct. 

The cytoplasm of a muscle cell is known as

biology animal tissue muscular tissues muscle tissue muscle tissues

  1. Neuroplasm

  2. Sarcolemma

  3. Axoplasm

  4. Sarcoplasm

Show answer
Correct Option: D
Explanation:

Sarcoplasm is the cytoplasm of muscle cells or myocytes. Large amounts of glycosomes and significant amounts of myoglobin are usually found in the sarcoplasm.

So, the correct answer is 'Sarcoplasm'.