Fat soluble pigments like xanthophylls are present in:

  • Chromoplasts

  • Aleuroplasts

  • Elaioplasts

  • Amyloplasts

Proteins that are to be used outside the cell are synthesized:

  • in the mitochondria

  • on the rough endoplasmic reticulum

  • on the smooth endoplasmic reticulum

  • on free ribosomes

The two types of cellular organelles that transform energy are:

 

  • Chromoplasts and Leucoplasts

  • Mitochondria and Chloroplasts

  • Mitochondria and Endoplasmic reticulum

  • Chloroplasts and Golgi apparatus

The arrangement of outer and central microtubules in a cilium is called the:

  • 9 + 1 pattern

  • 9 + 0 pattern

  • Flagellin pattern

  • 9 + 2 pattern

Identify the correct statement regarding the part of cell the structure of which is shown in the given diagram:

  • It is not found in the plant cells

  • It serves to provide attachment with surface for a bacterial cell

  • The structure is made of protein called flagellin

  • It can be used for movement by a eukaryotic cell

What is true regarding the chromosome shown in the diagram given below?

  • It is a metacentric chromosome with A called satellite and B called secondary constriction

  • It is a metacentric chromosome with B called satellite and A called secondary constriction

  • It is a submetacentric chromosome with A called satellite and B called secondary constriction

  • It is a submetacentric chromosome with B called satellite and A called secondary constriction

In the given diagram of chloroplast enzymes required for the synthesis of carbohydrates and proteins are located in:

  • A

  • B

  • C

  • D

In the given diagram, what is true for both A and B?

  • They are involved in protein synthesis

  • They synthesize steroidal hormones in animal cells

  • They are a part of endomembranous system of a eukaryotic cell

  • They are continuous with the inner membrane of the nucleus

Match each item in Column I with one item in Column II and chose your answer from the codes given below.

Column I

(protein filament)

Column II

(function)

I. Microfilaments

II. Microtubules

III. Intermediate filaments

1. prototplasmic streaming

2. movement of chromosomes

3. animal cell-cell junctions

Codes:

                I            II            III

1.             1            2             3 

  • 3.             2            1             3

  • 4.             3            2             1

  • 2.             2            3             1

  • 4

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

  • Nuclear envelope

  • Ribosome

  • Mesosome

  • Plasma membrane

Algae have cell wall made up of

  • cellulose, galactans and mannans

  • hemicellulose, pectins and proteins

  • pectins, cellulose and proteins

  • cellulose, hemicellulose and pectins

Pigment-containing membranous extensions in some cyanobacteria are

  • heterocysts

  • basal bodies

  • pneumatophores

  • chromatophores

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

  • Lysosome

  • Ribosome

  • Chloroplast

  • Mitochondrion

A cell organelle containing hydrolytic enzyme is

  • lysosome                         

    (2) microsome

  • 2

  • ribosome                         

    (4) mesosome

  • 4

Microtubules are the constituents of

  • spindle fibres, centrioles and cilia

  • centrioles, spindle fibres and chromatin

  • centrosome, nucleosome and centrioles

  • cilia, flagella and peroxisomes

Mitochondria and chloroplast are

I.semi-autonomous organelles.

II. formed by division of pre-existing organelles and they contain DNA but lack protein synthesizing machinery.

Which one of the following options is correct?

 

  • Il is true but I is false

  • I is true but ll is false

  • Both I and I are false

  • Both I and II are correct

A complex of ribosomes attached to a single strand of RNA is known as

  • polymer

  • polypeptide

  • okazaki fragment

  • polysome

Which of the following is not a feature of the plasmids?

  • (a) Circular structure

  • () Transferable

  • () Single-stranded

  • () Independent replication

Water soluble pigments found in plant cell vacuoles are

  • chlorophylls

  • carotenoids

  • anthocyanins

  • xanthophylls

Balbiani rings are sites of

  • lipid synthesis

  • nucleotide synthesis

  • polysaccharide synthesis

  • RNA and protein synthesis

Which of the following are not membrane-bound?

  • Vacuoles

  • Ribosomes

  • Lysosomes

  • Mesosomes

A protoplast is a cell

 

  • .  without plasma membrane

  • .  without nucleus

  • .  undergoing division

  • .  without cell wall

Cellular organelles with membranes are 

  • nuclei, ribosomes and mitochondria

  • chromosomes, ribosomes and endoplasmic reticulum

  • endoplasmic reticulum, ribosomes and nuclie

  • lysosomes, Golgi apparatus and mitochondria.

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

  • cristae

  • grana

  • stroma lamellae

  • stroma

Select the correct matching in the following pairs.

 

  • Smooth ER—Oxidation of phospholipids

  • Smooth ER—Synthesis of lipids

  • Rough ER—Synthesis of glycogen

  • Rough ER—Oxidation of fatty acids

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

  • Phosphate granule

  • Cyanophycean granule

  • Glycogen granule

  • Polysome

Nuclear envelope is derivative of 

  • smooth endoplasmic reticulum

  • memebrane of Golgi complex

  • microtubles

  • rough endoplasmic reticulum

Cytochromes are found in

  • matrix of mitochondria

  • outer wall of mitochondria

  • cristae of mitochondria

  • lysosomes

Mitochondria is the power houses of the cell because

  • ATP is  synthesised here

  • ATP is consumed here

  • Asimmilatory power is consumed here

  • All of the above

Which structures perform the function of mitochondria in bacteria?

  • Nucleoid

  • Ribosomes

  • Cell wall

  • Mesosomes

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Practice Botany Quiz Questions and Answers