Welcome to the NCERT Solutions for Class 11 Biology - Chapter Cell: The Unit of Life. This page offers a step-by-step solution to the specific question from Exercise 1, Question 4: . With detailed answers and explanations for each chapter, students can strengthen their understanding and prepare confidently for exams. Ideal for CBSE and other board students, this resource will simplify your study experience.
Which of the following is correct:
(a) Cells of all living organisms have a nucleus.
(b) Both animal and plant cells have a well defined cell wall.
(c) In prokaryotes, there are no membrane bound organelles.
(d) Cells are formed de novo from abiotic materials.
(c) Membrane-bound organelles are organelles surrounded by a double or a single membrane like Nucleus, mitochondria, chloroplasts, Lysosomes, ER, Golgi bodies etc. are examples of such organelles. These cell organelles are absent in prokaryotes.
(a) Only eukaryotic cells have nuclei. They are absent in prokaryotes.
(b) Cell walls are only present in plant cells. They are absent in all animal cells.
(d) All cells arise from pre-existing cells.
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Read MoreWelcome to the NCERT Solutions for Class 11 Biology - Chapter . This page offers a step-by-step solution to the specific question from Excercise 1 , Question 4: Which of the following is correct: (a) Cells of all living organisms have a nucleus. (b) Both anim....
Comments
But in option a ....it is all cell but we know that RBC and sieve tube cells are enucleate
But prokaryotes have a nucleus so (a) statement is also correct.