Join 60,000+ competitive exam aspirants
or with email
Your Cart
SubtotalтВ╣0
TotalтВ╣0
Examoogle тАв User тАв info@examoogle.com тАв EE-2024-8821
Chapter 1 of 12 тАв Page 1 of 248ЁЯФТ Protected PDF тАв Watermarked
Join 60,000+ competitive exam aspirants
Identify the INCORRECT statement about muscle tissue.
Muscle tissues are made up of cuboidal cells.
Special contractile proteins are present in muscles.
Microscopes reveal alternate light and dark bands in voluntary muscles.
The limbs have voluntary muscles.
Muscle tissues are made up of cuboidal cells.
Muscle tissue is composed of elongated cells known as muscle fibers, not cuboidal cells. Cuboidal cells are typically found in epithelial tissues, such as those lining kidney tubules or glandular ducts.
Muscle tissue is composed of elongated cells known as muscle fibers, not cuboidal cells. Cuboidal cells are typically found in epithelial tissues, such as those lining kidney tubules or glandular ducts.
Think of muscle fibers like a bundle of long, elastic rubber bands that can stretch and contract, whereas cuboidal cells are like stacked square Lego bricks, which are better suited for lining and protection.
M-E-C (Muscle: Elongated, Contractile).
╬ФL=F├ЧAтЛЕYLтАЛ тАФ where ╬ФL is change in length during mechanical stress
W=FтЛЕd тАФ work done by muscle contraction where d is displacement
Muscle cells (myocytes) are specialized for contraction, containing organized bundles of actin and myosin filaments. These filaments slide past each other during contraction, a process driven by the hydrolysis of ATP. The elongated, cylindrical, or spindle-like structure of these cells is essential for the directional force generation required for movement.
Muscle tissue is derived from the mesoderm.
The three main types of muscle are skeletal (voluntary), cardiac (involuntary, striated), and smooth (involuntary, non-striated).
Skeletal muscles contain alternating light (I-band) and dark (A-band) striations.
Allows for precise and powerful locomotion
High metabolic activity facilitates rapid response to stimuli
Susceptible to fatigue due to metabolic byproduct accumulation like lactic acid
Requires constant oxygen supply for efficient performance
Skeletal system movement (limbs)
Cardiac pumping (heart)
Peristalsis in the digestive tract
Option B: Special contractile proteins (actin and myosin) are the molecular basis of contraction.
Option C: Voluntary (skeletal) muscles are striated, meaning they show light and dark bands under a microscope.
Option D: Muscles in limbs are skeletal, which are classified as voluntary muscles.
A is correct тАФ Muscle tissue consists of elongated, contractile muscle fibers, not cuboidal epithelial cells.
When asked to identify an 'incorrect' statement, quickly verify the tissue classification first. Epithelial tissues are almost always the ones characterized by 'cuboidal', 'columnar', or 'squamous' cell shapes.
Get instant step-by-step AI explanations, full shift Previous Year Papers (SSC GD, RRB, SSC JE), and regional rank analysis on the official Examoogle App.
Free Download тАв 100K+ Aspirants