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NEET BIOLOGYCell Cycle and Cell Division Easy

Question

Given below are two statements: Statement I: Mycoplasma can pass through less than 1 micron filter size. Statement II: Mycoplasma are bacteria with cell walls. In the light of the above statements, choose the most appropriate answer from the options given below:

A
  1. Statement I is incorrect but Statement II is correct.
B
  1. Both Statement I and Statement II are correct.
C
  1. Both Statement I and Statement II are incorrect.
D
  1. Statement I is correct but Statement II is incorrect.

Step-by-Step Solution

Statement I is correct: Mycoplasma are described as the "smallest living cells known" and diagrams indicate sizes around 0.1 µm , which allows them to pass through filters with pore sizes less than 1 micron (a characteristic feature distinguishing them from many other bacteria). Statement II is incorrect: The text explicitly states that "The Mycoplasma are organisms that completely lack a cell wall" .

Exam Context & Concepts Covered

This question aligns with the NEET BIOLOGY syllabus, specifically targeting concepts from Cell Cycle and Cell Division . Mastering this topic is crucial for scoring well in the upcoming medical entrance examinations. Solving conceptually related problems will help you understand the nuances of these concepts and improve your problem-solving speed.

BIOLOGYCell Cycle and Cell Division statementsstatementmycoplasmathroughmicron

More Cell Cycle and Cell Division Questions

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Match List-I with List-II. List-I A. Centromere B. Cilium C. Cristae D. Cell membrane List-II I. Mitochondrion II. Cell division III. Cell movement IV. Phospholipid Bilayer

A.A-IV, B-III, C-II, D-I
B.A-II, B-III, C-I, D-IV
C.A-I, B-II, C-IV, D-III
D.A-III, B-I, C-IV, D-II
MediumSolve

Cell wall formation in bacteria is facilitated by:

A.1. Ribosomes
B.2. Mesosomes
C.3. Golgi Apparatus
D.4. Centrosomes
EasySolve

Which of the following statements are correct in the context of Golgi apparatus? A: It is the important site for the formation of glycoprotein and glycolipids B: It produces cellular energy in the form of ATP C: It modifies the protein synthesized by ribosomes on ER D: It facilitates the transport of ions E: It provides mechanical support

A.1. (B) and (C) only
B.2. (A) and (C) only
C.3. (A) and (D) only
D.4. (D) and (E) only
MediumSolve

Match List-I with List-II: List-I A. Metacentric chromosome B. Sub-metacentric chromosome C. Acrocentric chromosome D. Telocentric chromosome List-II I. Chromosome has a terminal centromere II. Middle centromere forming two equal arms of chromosome III. Centromere is slightly away from the middle chromosome resulting into two unequal arms IV. Centromere is situated close to its end forming one extremely short and one very long arm

A.A-I, B-II, C-III, D-IV
B.A-II, B-III, C-IV, D-I
C.A-III, B-IV, C-II, D-I
D.A-IV, B-III, C-II, D-I
MediumSolve

The fruit fly has 8 chromosomes (2n) in each cell. During the interphase of mitosis, if the number of chromosomes at G1 phase is 8, what would be the number of chromosomes after the S phase?

A.4
B.32
C.8
D.16
EasySolve

Given below are two statements: One is labelled as Assertion (A) and the other is labelled as Reason (R). Assertion (A): The beginning of diplotene is recognised by the dissolution of the synaptonemal complex and formation of X shaped structures called chiasmata. Reason (R): In oocytes of some vertebrates, diplotene can last for months or years.

A.(A) is correct but (R) is not correct.
B.(A) is not correct but (R) is correct.
C.Both (A) and (R) are correct and (R) is the correct explanation of (A).
D.Both (A) and (R) are correct but (R) is not the correct explanation of (A).
MediumSolve

Doubling of the number of chromosomes can be achieved by disrupting mitotic cell division soon after:

A.Anaphase
B.Telophase
C.Prophase
D.Metaphase
MediumSolve

Given below is a schematic break-up of the phases/stages of cell cycle. Which one of the following is the correct indication of the stage/phase in the cell cycle?

A.B-Metaphase
B.C-Karyokinesis
C.D-Synthetic phase
D.A-Cytokinesis
EasySolve

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