Cell - The Unit of Life · Biology · NEET

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Mesosome in a cell is a :

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Which of the following statements is correct about the type of junction and their role in our body?

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Given below are two statements : Statement I : Concentrically arranged cisternae of Golgi complex are arranged near the nucleus with distinct convex ...

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The DNA present in chloroplast is:

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Given below are two statements: Statement I: Mitochondria and chloroplasts both double membranes bound organelles. Statement II: Inner membrane of mit...

Given below are two statements : Statement I :- In bacteria, the mesosomes are formed by the extensions of plasma membrane. Statement II :- The me...

Which of the following statements are correct with respect of Golgi apparatus ? (A) It is the important site of formation of glycoprotein and glyc...

In tissue culture experiments, leaf mesophyll cells are put in a culture medium to form callus. This phenomenon may be called as

How many different proteins does the ribosome consist of?

Which of the following are NOT considered as the part of endomembrane system? A. Mitochondria B. Endoplasmic reticulum C. Chloroplasts D. Golgi comple...

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

The Phenomenon by which the undividing parenchyma cells start to divide mitotically during plant tissue culture is called as

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

If the pH in lysosomes is increased to alkaline, what will be the outcome?

Which of the following statements with respect to Endoplasmic Reticulum is incorrect?

Which of the following is an incorrect statement?

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When the centromere is situated in the middle of two equal arms of chromosomes, the chromosome is referred as :

The organelles that are included in the endomembrane system are

Which of the following statements about inclusion bodies is incorrect?

Which is the important site of formation of glycoproteins and glycolipids in eukaryotic cells?

Which of the following pair of organelles does not contains DNA?

Which of the following statements regarding mitochondria is incorrect?

Which of the following statements is not correct?

The Golgi complex participates in

Which of the following is true for nucleolus?

Which of the following events does not occur in rough endoplasmic reticulum?

Select the incorrect match.

Which of the following cell organelles is responsible for extracting energy from carbohydrates to form ATP?

Select the wrong statement-

A cell organelle containing hydrolytic enzymes is

Select the mismatch.

Mitochondria and chloroplast are- (a) semi-autonomous organelles (b) formed by division of pre existing organelles and they contain DNA but lack prote...

Microtubules are the constituents of

Which one of the following cell organelles is enclosed by a single membrane?

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Cellular organelles with membranes are -

Which of the following structures is not found in a prokaryotic cell?

Which of the following are not membranebound ?

DNA is not present in :

Nuclear envelope is a derivative of :

The structures that are formed by stacking of organized flattened membranous sacs in the chloroplasts are

The chromosomes in which centromere is situated close to one end are :

Which one of the following is not an inclusion body found in prokaryotes?

Select the correct matching in the following pairs :

The solid linear cytoskeletal elements having a diameter of 6 nm and made up of a single type of monomer are known as:

The osmotic expansion of a cell kept in water is chiefly regulated by:

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The term 'glycocalyx' is used for :

Which of the following best illustrates "FEEDBACK" in development ?

Which of the following types of plastids does not contain stored food material ?

Select the alternative giving correct identification and function of the organelle 'A' in the diagram ...

Which one of the following organelle in the figure correctly matches with its function ? ...

A major site for synthesis of lipids is :

The Golgi complex plays a major role :

Which one of the following cellular parts is correctly described ?

Which one of the following structures is an organelle within an organelle ?

Select the the correct statement from the following regarding cell membrane

What is true about ribosomes ?

Which one of the following does not differ in E.coli and Chlamydomonas ?

Which one of the following is not considered as a part of the endomembrane system ?

The figure below shows the structure of a mitochondrion with its four parts labelled (A), (B), (C). and (D) Select the part correctly matched with its...

Important site for formation of glycoproteins and glycolipids is :

Peptide synthesis inside a cell takes place in :

An elaborate network of filamentous proteinaceous structures present in the cytoplasm which helps in the maintenance of cell shape is called -

Identify the components labelled A, B, C and D in the diagram below from the list (i) to (viii) given along with – Components : (i) Cristae of mito...

The main area of variuos types of activites of a cell is –

The plasma membrane consists mainly of –

Which one of the following has its own DNA?

Which one of the following structures between two adjacent cells is an effective transport pathway?

Middle lamella is composed mainly of :

Plasmodesmata are :

Cytoskeleton is made up of :

Vacuole in a plant cell:

The two sub-units of ribosome remain united at a critical ion level of :

In germinating seeds fatty acids are degraded exclusively in the:

Keeping in view the "fluid mosaic model" for the structure of cell membrane, which one of the following statements is correct with respect to the move...

Biological organization starts with:-

Which one of the following is not a constituent of cell membrane ?

Select the wrong statement from the following:

Which of the following statements regarding mitochondrial membrane is not correct ?

Which of the following statements regarding cilia is not correct ?

A major breakthrough in the studies of cells came with the development of electron microscope. This is because

A student wishes to study the cell structure under a light microscope having 10X eyepiece and 45X objective. He should illuminate the object by which ...

Chlorophyll in chloroplasts is located in

Centromere is required for -

Chemiosmotic theory of ATP synthesis in the chloroplasts and mitochondria is based on

According to widely accepted "fluid mosaic model" cell membranes are semi-fluid, where lipids and integral proteins can diffuse randomly. In recent ye...

The main organelle involved in modification and routing of newly synthesized proteins to their destinations is -

The telomeres of eukaryotic chromosomes consist of short sequences of

In chloroplasts, chlorophyll is present in the :-

Cellular totipotency is demonstrated by :-

Ribosomes are produced in :

In fluid mosaic model of plasma membrane

Element necessary for the middle lamella is

Microtubules are absent in : -

Proteinaceous pigment which control the activities concerned with light is

Which of the following ribosomes are engaged in protein synthesis in animal cell ?

Lysosome contains :

Function of telomeres in nucleus is

Which cell organelle is concerned with glycosylation of protein ?