Cell Organelles-Structure and Function

IMPORTANT

Cell Organelles-Structure and Function: Overview

This Topic covers sub-topics such as Mitochondria, Endoplasmic Reticulum, Nucleus, Chromosomes, Ribosomes, Chloroplasts, Lysosomes, Cytoplasm, Cell Membrane, Cell Organelles, Centrosomes, Protoplasm, Cytoskeleton, Vacuoles, Cell Wall and, Peroxisomes

Important Questions on Cell Organelles-Structure and Function

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IMPORTANT

Which of the following organelle of cell is involved in the formation of peptide-bond?

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What is common between chloroplasts, chromoplasts and leucoplasts?

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In which one of the following combinations (a-b) the number of chromosomes of the present day hexaploid wheat is correctly represented?

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Which of the following is responsible for the mechanical support, protein synthesis and enzyme transport?

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Which of the following statements regarding cilia is not correct?

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Which of the following is the largest constituent of the membrane of the erythrocyte in human beings and is also responsible for performing most of the functions of the membrane?

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Match the column I with column II. Choose the right match from the options given below.

  Column I   Column II
A. Golgi apparatus (i) Synthesis of protein
B. Lysosomes (ii) Trap waste and excretory products
C. Vacuoles (iii) Formation of glycoporteins and glycolipids
D. Ribosomes (iv) Digestion of biomolecules

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Assertion: Ribosomes are composed of RNA and Protein.

Reason: Ribosomes are responsible for the synthesis of proteins in the cell.

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Refer to the given figures:

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Select the option which correctly identifies (i - iii).

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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:

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How many different proteins does the ribosome consist of?

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

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Consider the following statements for the organelle, also known as 'powerhouse of the cell'.

I. It is a double membrane bound structure.

II. Its inner membrane forms number of infoldings called cisternae.

III. Matrix possesses genetic material and ribosomes only.

IV. It is a site of aerobic respiration.

The correct statements are:

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The plasma membrane consists mainly of :

HARD
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To increase ATP production in given cell organelle the number or amount or diameter of which part among A, B, C or D should primarily increase?

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Read the following statements:

I. ER divides the intracellular space into two distinct compartments, i.e., luminal (inside ER) and extra luminal (cytoplasm) compartments.

II. RER is extensive and continuous with the outer membrane of the nucleus.

III. Fixed number of cisternae are present in a Golgi complex.

IV. The cis and the trans faces of Golgi are entirely different, but interconnected in animal cells.

V. The Golgi complex rarely remains in association with ER. 

How many of the above statements are incorrect?

MEDIUM
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How many of the given features are true for both endoplasmic reticulum and Golgi complex?

Presence of membrane, modification of proteins, endomembrane system, DNA, attached ribosomes, tubules and vesicles.

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Structure which provides the shape to chromosomes is called:

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Which of the following polysaccharide is found in the exoskeleton of arthropods and the cell wall of fungi?