Cilium and flagellum emerge from centriole-like structure called as

  • basal body

  • shaft

  • basal plate

  • All of these

Which of the following is true about centrosome

  • membraneless organelle

  • contains two centrioles

  • surrounded by amorphous pericentriolar

  • All of these

The arrangement of peripheral microtubule in centrioles is

  • 9 as triplets

  • 9 as doublets

  • 9 as singlet

  • Both A and B

Which of the following is true about centrioles?

  • It lacks microtubule in the centre

  • Hub is proteinaceous

  • It forms the body of cilia or flagella and spindle fibres

  • All of the above

Which of the following is true for vacuole

  • It is present in both plants and animals

  • Central vacuole is present in plant

  • It occupies 90% volume of the plants

  • All of these

In plant cell the concentration of ions is more in

  • cytoplasm

  • vacuoles

  • equal in both

  • nucleus

The contractile vacuole

  • is present in Amoeba

  • helps in osmoregulation

  • helps in excretion

  • All of the above

The membrane of vacuole is called

  • plasma membrane

  • tonoplast

  • cytoplasm

  • tunicates

Which of the following vacuole is present in photosynthetic bacteria

  • Food vacuole

  • Gas vacuole

  • Contractile vacuole

  • Sap vacuole

Which of the following is true about microbodies

  • minute vesicular structures

  • membrane bound structures

  • found in both plants and animals

  • All of the above

Peroxisome is a type of

  • vacuole

  • inclusion bodies

  • microbodies

  • membraneless organelle

The Golgi apparatus principally performs the function of

  • Packaging of materials for secretion

  • Secretion to intracellular targets or outside of the cell

  • synthesis of proteins

  • Both A and B

Trans face of the Golgi body is

  • nucleus facing face

  • cell membrane facing face

  • maturing face

  • Both B and C

Which of the following is not the function of Golgi Body.

  • Glycosidation

  • Glycosylation

  • Translation

  • Post-translational modification

Materials to be packaged in the form of vesicles from the ER fuse with the _______ of the Golgi body and after packaging leaves from the ______face.

  • cis, trans

  • trans, cis

  • convex, concave

  • Both A and C

Golgi body comprises of

  • Cisternae

  • vesicles

  • tubules

  • All of the these

ETS takes place in which of the following compartment of mitochondria

  • inner compartment

  • outer compartment

  • matrix

  • Both A and C

Which of the following is true about mitochondria except

  • easily visualised under microscope without staining

  • It’s number in the cell depends on the physiological activity of the cell

  • It is highly variable in their shape and size

  • Double membranous structure

Endoplasmic reticulumn bearing ribosomes on their surface is called

  • Rough endoplasmic reticulumn

  • Smooth endoplasmic reticulumn

  • Lomasomes

  • None of these

Which of the following is true about SER (smooth endoplasmic reticulum), except

  • Ribosomes are absent

  • Actively involved in protein synthesis

  • Steroidal hormone synthesis site

  • Both A and C

Which of the following is not a modification of endoplasmic reticulum

  • Sarcoplasmic reticulum

  • Nissl’s granules

  • myeloid bodies

  • None of these

Ergastoplasm is a modification of

  • RER

  • SER

  • GB

  • None of these

Plastids are present in

  • Plants

  • Euglenoides

  • Both A and B

  • all protists

Based on the type of pigments plastids can be classified into how many classes

  • 3

  • 4

  • 2

  • 1

All the three types of plastids have evolved from

  • Pro-plastid

  • chloroplast

  • chromoplast

  • leucoplast

The type of leucoplast which stores oils and fats is

  • amyloplast

  • aleuroplast

  • elaioplast

  • chromoplast

The incorrect match is

  • Elaioplast- lipids

  • amyloplast-starch

  • aleuroplast-carbohydrates

  • chromoplast-carotenoids

Carotene and xanthophylls are present in

  • Chloroplast

  • chromoplast

  • leucoplast

  • Both A and B

Which of the following is true about chloroplast

  • one in chlamydomonas

  • 20-40 in leaf mesophyll cell

  • present in different shapes

  • All of these

Which of the following is true about stroma except

  • contains enzymes for carbohydrates and proteins synthesis

  • Chlorophyll pigments are present in stroma

  • contains the most abundant protein of the universe

  • contains small, dsDNA molecules

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Practice Botany Quiz Questions and Answers