NEET UG – Biology Base(Cell & its Organelles)

Who has given word ‘Cell’?

The body of Amoeba is made up of _____ cell.

Robert hook discovered the nucleus

Who proposed the theory ‘Cells arise only from the pre-existing cells’?

‘Micrographia’ was written by which of the following scientists?

Branched cells of nervous system help in

The longest cell in the human body is

The branch of biology dealing with structures, function and reproduction of cell is

The smallest animal egg is that of

‘Omnis cellula e cellula’ is a generalization, given by

Father of microscopy and microbiology

Which of the following is high in smaller cells?

The living substance of cell was named by Dujasdin as

A cell can be declared dead, when it

Which of the following are the most abundant elements in the living cells?

______ are the non-living component of the cell

Father of Modern Cytology is

The size of most of the cells is best expressed in

______ is the key to increase the number of cells in a living being.

A cell is the _______ and functional unit of an organism

Which of the following is a type of cell?

Cells are limited in size by the

Several cells combine to form

Several tissue combine to form

Prokaryotic genetic system has

Prokaryotes have circular DNA while eukaryotes have linear chromosomes. This is evidence that

What is genophore?

The type of ribosomes found in prokaryotic cells are

The eukaryotic genome differs from the prokaryotic genome because

Which of the following is correct?

Golgi apparatus is absent in

Prokaryotic genetic system has

Which of the following is always absent in prokaryotic cells?

Which of the following organism has single point of replication in chromosome?

The cellular respiration in prokaryotes takes place in

Which of the following is not a character of prokaryote?

The capsule is most advantageous to a bacterium because it

ln prokaryotes, the mitochondria are absent. Even then Krebs cycle takes place. What is the site of Krebs cycle in bacteria?

Largest unicellular organism is

The structure of E.coli chromosomal DNA is

The two subunits of ribosome remain united at a critical ion level of

Genetic material of prokaryotic cell is

The eukaryotic genome differs from the prokaryotic genome because

In the cell division of bacteria, the septum is formed by

Which of the following is the substitution of mitochondria in E. Coli?

What is correct for prokaryotic cell?

When flagella are distributed all around a bacterial cell, the arrangement is called as

Why erythromycin blocks protein synthesis of bacteria without harming its eukaryotic host?

The smallest living cells with cell wall are

Thread like protoplasmic projections found on free surface of absorptive cells are

Prokaryotic flagella possess

Which one of the following is a prokaryote?

Appendages in bacteria, which help in attachment on liquid medium are

Which one is a prokaryote?

Peptidoglycan compound in bacteria is

Bacterial flagella that do not show ATPase activity and 9 + 2 organization are chemically made up of

Transcription and translation occur in the cytoplasm in a/an

Bacterial ribosomes are present

The chief component of bacterial cell wall is

The Peptidoglycans of bacteria consist of

What is a genophore?

Bacteria were first discovered by

Genophore term was coined by Hans Ris for

Prokaryotic and eukaryotic flagella differ in

The cells of bacterium Staphylococcus remain arranged in the form of

Mucopeptide percentage is higher in cell wall of

In Escherichia coli

The study of relationship between size and shape is called

The uniqueness of bacterial flagella is that, it is

The habitat of E. coli is

A plasmid

In eukaryotic cell,

The type of bacteria that can exist in chains and are small and round in shape are known as

Bacteria whose cell has only a curve/comma is

Cell membrane of bacteria is made up of

Which of the following is the bacteria’s method of reproduction?

Chemosynthetic bacteria are those bacteria

Bacteria bearing flagella all over the body are called

Outer layer of lipopolysaccharide is characteristic of

Smallest bacteria is

What are episomes?

On the basis of r-RNA genes, bacteria are divided into

Plant cells

The difference between protoplasm and cell sap was given by

According to an accepted model of plasma membrane, transport during ‘symport’ or ‘co-transport’ of sugar or amino acids through cell membrane is when

Phospholipids are formed by the esterification of

The cell wall is the secretory product of

The chemical substance most abundantly present in the middle lamella is

Eukaryotic cells have transport vesicles, endoplasmic reticulum, Golgi apparatus and a nuclear envelope. Taken together, what do all these represent?

Who proposed the sandwich model of plasma membrane?

Centrosomes are present in …………… cell near the nucleus.

Which of the following process requires a transport protein for the movement of specific materials across a plasma membrane?

When a plant cell is treated by cellulase and pectinase enzymes, which of the following is formed?

Which of the following is a property of plants but not animals?

The term protoplasm for the cell contents was coined by

Cell eating and cell drinking are the phenomena that cannot be traced in

Choose the incorrect statement from the following.

Which of the following organelles does not contain RNA?

Glycocalyx is a

Synthesis of cell wall material takes place in

Protoplasm of the cells is

The smallest cell organelle is

Unit membrane is made up of

Plant cells have fixed shape which is

Middle lamella is chemically formed of

Fluid mosaic model of cell membrane proposed that a lipid bilayer

Tonoplast is the membrane covering the

Name the stain which is commonly used to study plant cells.

Indicate the increasing order of size.

Which of the following function is carried by the intracellular membrane?

……………. structures between two adjacent cells is an effective transport pathway.

Which of the following is not an example of a selectively permeable membrane?

Which of the following are characteristics of both, bacteria and fungi?

The intake of liquid food by membrane is called as

The ‘torus’ of simple and bordered pits of plant cell wall is made up of

Quantasomes contain

What is common between chloroplasts, chromoplasts and leucoplasts?

………. pigment does not occur in chloroplast.

An approximate number of mitochondria in a striated muscle cell is

The extranuclear DNA is present in

What is mitoplast?

In humans, mitochondria will be most abundant amongst the following

Chloroplast is absent in which of these cells?

Mitochondria is the site for

In mitochondria, enzyme cytochrome oxidase is present in

What are elementary particles of mitochondria?

Which cell organelles release oxygen?

Which of the following takes place in Mitochondria

The respiratory enzymes are present in which of the following organelle?

Which of the following are responsible for red colour of tomato?

The proteins present in the outer membrane of mitochondria are called as

Which one of the following carries extranuclear genetic material?

Cell organelle, which has electron transport system is

The thylakoid membranes have how many unit membranes?

Which element is located at the centre of the porphyrin ring in chlorophyll?

Which one of the following segments about cell organelles and their function is correct?

What is the functional significance of the convoluted folded shape of the inner membrane of the mitochondria, referred to as the cristae?

ATP ase activity occur in

Sarcosomes are the

Cisternae is found in

Which type of plastids is commonly found in the roots of the plant?

Choose the incorrect match.

Non-pigmented part of chloroplast is called

Some of the enzymes, which are associated in converting fats into carbohydrates, are present in

Peroxisomes have

The sedimentation constant of ribosome in prokaryotes is generally 70S. It breaks up into two subunits whose sedimentation constants are

Ribosomal dimer is formed by which of the following?

Which of the following has a single unit membrane?

The process of self duplication does not occur in which of the following organelles?

…………………… do not possess lipo-proteinaceous membrane.

Ribosomes are attached to the endoplasmic reticulum through glycoproteins known as Ribophorin I and II. Which subunit of ribosome get attached to the endoplasmic reticulum?

The ribosomes are produced in

Which of the following are ribosomes which function in clusters?

Sphaerosomes are formed from

70S type of ribosomes are found in

Polyribosomes are aggregation of

Ribosome contains

Peroxisomes are rich in

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

Which among the following is the functional unit of protein synthesis?

Formation of polysome does not require

β-oxidation of fatty acids in liver cells is mainly carried by

Sphaerosome are involved in

Ribosomes are particles about 200 A˚ units in diameter consisting of protein and RNA. The percentage of protein and RNA is respectively

Pore size of nuclear membrane is

The length of DNA molecule greatly exceeds the dimensions of the nucleus in eukaryotic cells. How is the DNA accommodated?

The ………. is a primary constriction.

Study of nuclear cytology is

The organelles that are present in a eukaryotes but not in a prokaryotes is/are

A centrosome is

Basic structure of chromatin is composed of

Which statement is wrong about nucleolus?

Which organelle is usually found associated with nucleus of the cell in animals?

Kinetochore is

Which organelle is the site of ribosome synthesis?

The two ends of a chromatid are called as

ln which kind of study banding is done?

Bands and interbands are characteristics of

Which of the following show 9 + 0 arrangement ?

Nucleoli are rich in

Nucleonema is part of

Nucleolus is formed by a particular region of chromosome called as

Who coined the term chromatin?

Structure of nuclear membrane helps in

Which of the following is stained by using ‘Leuco basic dye’?

Histone which links the nucleosomes together is called as

Which chromosome may be lost during cell division?

Nucleolemma is a part of

The part which does not take stain amongst the following is?

Secondary constriction is also called as

Highest arm ratio occur in which of the following chromosome?

The nuclear spindle consists of

What is the mode of nutrition in fungi?

Transpiration occurs through

The genes are responsible for growth and differentiation in an organism through regulation of

Repairment of a damaged tissue by cell division is

The storage iron in the body is almost in form of

Currency of cell is

Cell wall gives

Nucleus is concerned with