NEET Biology MCQs | NEET Cell The Unit of Life questions (MCQs) | Cell The Unit of Life Class 11 NEET questions | Online MCQs Test No 05
Cells: The basic unit of life - MCQ Quiz - 5
Lipids are arranged in a bilayer with polar heads towards the inner part.
Fluid mosaic model of cell membrane was proposed by Singer and Nicolson.
Na+ and K+ ions move across cell membrane by passive transport.
Proteins make up 60 to 70% of the cell membrane
These are found only in eukaryotic cells
These are self-splicing introns of some RNAs.
The prokaryotic ribosomes are 80S, where "S" stands for sedimentation coefficient
These are composed of ribonucleic acid and proteins.
Both the strands of DNA will be radio active
One strand radio active
Each strand half radio active
None is radio active
Assertion: A cell membrane shows fluid behaviour.
Reason: A membrane is a mosaic or composite of diverse lipids and proteins.
Both Assertion and Reason are true and the Reason is the correct explanation of the Assertion.
Both Assertion and Reason are true but the Reason is not the correct explanation of the Assertion.
Assertion is true statement but Reason is false.
Both Assertion and Reason are false statements.
both DNA and histones
both DNA and RNA
has completed division
is preparing to divide
has ceased to function
has reached the end of its lifespan
Both are double stranded
Both have identical sugar molecules
Both have identical pyrimidine bases
Both are polymers of nucleotides
Lignin, hemi cellulose, pectin and lipid
Lignin, hemi cellulose, pectin and cellulose
Lignin hemi cellulose, protein and lipid
Hemi cellulose, cellulose, tubulin and lignin
Calcium carbonate granules
Lacks membrane and contains water and excretory substances
Is membrane-bound and contains storage proteins and lipids
Is membrane-bound and contains water and excretory substances
Lacks membrane and contains air
Ribosomes attached to each other in a linear arrangement
Several ribosomes attached to a single mRNA
Many ribosomes attached to a strand of endoplasmic reticulum
A ribosome with several subunits
Mitochondria associated with ER
Ribosomes on the surface of ER
Volutin granules on the surface of ER
Sulphur granules on the surface of ER
Assertion: Eukaryotic cells have the ability to adopt a variety of shapes and carry out directed movements.
Reason: There are three principal types of protein filaments-actin filament, microtubules and intermediate filaments, which constitute the cytoskeleton.
Both assertion and reason are true and the reason is the correct explanation of the assertion.
Both assertion and reason are true but the reason is not the correct explanation of the assertion.
Assertion is true statement but reason is false.
Both assertion and reason are false.
Solve thousands of NEET Biology Questions (MCQS) | There is a huge NEET Biology Question Bank with chapter wise NEET Biology questions