Biology Question Papers Aiims Exam Online Exam Quiz
Biology Question Papers Aiims Exam GK Quiz. Question and Answers related to Biology Question Papers Aiims Exam. MCQ (Multiple Choice Questions with answers about Biology Question Papers Aiims Exam
Which of these structures holds myosin filaments together?
Options
A : ‘H’ line
B : ‘A’ line
C : ‘M’ line
D : ‘Z’ line
What is present in the centre of each ‘I’ band?
Options
A : ‘H’ line
B : ‘A’ line
C : ‘M’ line
D : ‘Z’ line
Which of these is found at the two ends of a sarcomere?
Options
A : ‘H’ line
B : ‘A’ line
C : ‘M’ line
D : ‘Z’ line
Why does the repeated activation of the muscles cause fatigue?
Options
A : Due to the aerobic breakdown of glycogen
B : Due to the breakdown of glucose
C : Due to glycogen formation
D : Due to lactic acid accumulation
Which of these is a neurotransmitter?
Options
A : HMM
B : Troponin
C : ATPase
D : Acetylcholine
Identify the structure shown in the figure of meromyosin.
Options
A : LMM
B : Actin binding site
C : ATP binding site
D : Cross arm
Which of these is not a component of the thin filament?
Options
A : LMM
B : Tropomyosin
C : Troponin
D : ‘F’ actin
Which of these constitute a motor unit?
Options
A : Motor neuron + muscle fibres
B : Motor neuron + fascia
C : Motor neuron + muscle
D : Motor neuron + muscle bundle
What does acetylcholine generate in the sarcolemma?
Options
A : Resting potential
B : Graded potential
C : Action potential
D : Membrane potential
Which organelle is abundant in white fibres of muscles?
Options
A : Sarcoplasmic reticulum
B : Nuclei
C : Mitochondria
D : Peroxisomes
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