Cell - The Unit of Life PYQ

A specialised membranous structure in a prokaryotic cell which helps in cell well wall formation, DNA replication and respiration is

Match List-I with List- II. $\begin{array}{|l|l|l|l|}\hline & \text{List - I} & & \text{List - II} \\\hline \text{A}. & \text{Centromere} & \text{(i)} & \text{Mitochondrion} \\\hline \text{B.} & \text{Cilium} & \text{(ii)} & \text{Cell division} \\\hline \text{C.} & \text{Cristae} & \text{(iii)} & \text{Cell movement} \\\hline \text{D.} & \text{Cell membrane} & \text{(iv)} & \text{Phospholipid Bilayer} \\\hline\end{array}$ Choose the correct answer from the options given below :

Given below are two statements : one is labelled as Assertion (A), and the other is labelled as Reason (R). Assertion (A) : The primary function of the Golgi apparatus is to package the materials made by the endoplasmic reticulum and deliver it to intracellular targets and outside the cell. Reason (R) : Vesicles containing materials made by the endoplasmic reticulum fuse with the cis face of the Golgi apparatus, and they are modified and released from the trans face of the Golgi apparatus. In the light of the above statements, choose the correct answer from the options given below :

From the statements given below choose the correct option : A. The eukaryotic ribosomes are 80S and prokaryotic ribosomes are 70S. B. Each ribosome has two sub-units. C. The two sub-units of 80S ribosome are 60S and 40S while that of 70S are 50S and 30S . D. The two sub-units of 80S ribosome are 60S and 20S and that of 70S are 50S and 20S . E. The two sub-units of 80S are 60S and 30S and that of 70S are 50S and 30S .

Match List I with List II $\begin{array}{|l|l|r|l|}\hline & \text{List-I} & & \text{List-II} \\\hline A. & \text{Nucleolus} & I. & \text{Site of formation of glycolipid} \\\hline B. & \text{Centriole} & II. & \begin{array}{l} \text{Organization like the} \\ \text{cartwheel} \end{array} \\\hline C. & \text{Leucoplasts} & III. & \begin{array}{l} \text{Site for active} \\ \text{ribosomal RNA synthesis} \end{array} \\\hline D. & \text{Golgi apparatus} & IV. & \text{For storing nutrients} \\\hline\end{array}$ Choose the correct answer from the options given below:

Match List-I with List-II: $\begin{array}{|l|l|r|l|}\hline & \text{List-I} & & \text{List-II} \\ \hline A. & \text{Metacentric chromosome} & I. & \begin{array}{l} \text{Chromosome has a terminal} \\ centromere \end{array} \\ \hline B. & \text{Sub-metacentric chromosome} & II. & \begin{array}{l} \text{Middle centromere forming two equal} \\ \text{arms of chromosome} \end{array} \\ \hline C. & \text{Acrocentric chromosome} & III. & \begin{array}{l} \text{Centromere is slightly away from the} \\ \text{middle of chromosome resulting into} \\ \text{two unequal arms} \end{array} \\ \hline D. & \text{Telocentric chromosome} & IV. & \begin{array}{l} \text{Centromere is situated close to its} \\ \text{end forming one extremely short and} \\ \text{one very long arm} \end{array} \\ \hline \end{array}$ Choose the correct answer from the options given below:

Match List I with List II :  Choose the correct answer from the options given below :

Match List-I with List-II. \begin{array}{|l|l|l|l|}\hline & List-I & & List-II \\\hline A. & F1 Particles & I. & Chromosomes \\\hline B. & Histones & II. & Cilia \\\hline C. & Axoneme & III. & Golgi apparatus \\\hline D. & Cisternae & IV. & Mitochondria \\\hline\end{array} Choose the correct answer from the options given below:

Mesosome in a cell is a :

Given below are two statements: Statement I: Mitochondria and chloroplasts both double membranes bound organelles. Statement II: Inner membrane of mitochondria is relatively less permeable, as compared chloroplast. In the light of the above statements, choose the mis appropriate answer from the options given below:

The DNA present in chloroplast is:

Given below are two statements: Statement I: Concentrically arranged cisternae of Golgi complex are arranged near the nucleus with distinct convex cis or maturing and concave trans or forming face. Statement II: A number of proteins are modified in the cisternae of Golgi complex before they are released from cis face. In the light of the above statements, choose the correct answer from the option given below.

Match List-I with List-II:  Choose the correct answer from the options given below:

Which of the following statements are correct with respect to Golgi apparatus? (A) It is the important site of 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. Choose the most appropriate answer from the options given below :

Given below are two statements: Statement I : In bacteria, the mesosomes are formed by the extensions of plasma membrane. Statement II: The mesosomes, in bacteria, help in DNA replication and cell wall formation. In the light of the above statements, choose the most appropriate answer from the options given below:

Which of the following are NOT considered as the part of endomembrane system? A. Mitochondria B. Endoplasmic reticulum C. Chloroplasts D. Golgi complex E. Pesoxisomes Choose the most appropriate answer from the options given below:

How many different proteins does the ribosome consist of?

Which of the following functions is carried out by cytoskeleton in a cell?

Which type of substance would face difficulty to pass through the cell membrane?

Which of the following statements with respect to the endoplasmic reticulum is incorrect?

Match List -I with list -II. <table class="pyq-table"><tbody><tr><td></td><td>List - I</td><td></td><td>List - II</td></tr><tr><td>(a)</td><td>Metacentric chromosome</td><td>(i)</td><td>Centromere situated close to the end forming one extremely short and one very long arms</td></tr><tr><td>(b)</td><td>Acrocentric chromosome</td><td>(ii)</td><td>Centromere at the terminal end</td></tr><tr><td>(c)</td><td>Sub-metacentric</td><td>(iii)</td><td>Centromere in the middle forming two equal arms of chromosomes</td></tr><tr><td>(d)</td><td>Telocentric chromosomes</td><td>(iv)</td><td>Centromere slightly away from the middle forming one shorter arm and one longer arm</td></tr></tbody></table>Choose the correct answer from the options given below:

If the $\mathrm{pH}$ in lysosomes is increased to alkaline, what will be the outcome?

Match List - I with List.-II. <table class="pyq-table"><tbody><tr><td colspan="2" rowspan="1">List-I</td><td colspan="2" rowspan="1">List-II</td></tr><tr><td>(a)</td><td>Cristae</td><td>(i)</td><td>Primary constriction in chromosome</td></tr><tr><td>(b)</td><td>Thylakoids</td><td>(ii)</td><td>Disc-shaped sacs in Golgi apparatus</td></tr><tr><td>(c)</td><td>Centromere</td><td>(iii)</td><td>Infoldings in mitochondria</td></tr><tr><td>(d)</td><td>Cisternae</td><td>(iv)</td><td>Flattened membranous sacs in stroma of plastids</td></tr></tbody></table>Select the correct answer from the options given below.

The organelles that are included in the endomembrane system are: