Cytology MCQ: MCQ Test (50 questions)

Question 1 of 50

Which organelles in the cell, other than nucleus contains DNA ?

ACentriole
BGolgi apparatus
CLysosomes
DMitochondia

Question 2 of 50

A protein is synthesized in the endoplasmic reticulum bound ribosomes and it targets to the inner thylakoid space of chloroplast. How many double-layered membrane layers it has to pass to reach its destination ?

A2
B3
C4
D5

Question 3 of 50

Site of cellular respiration is-

AGolgibodies
BMitochondria
CRibosomes
DLysosome

Question 4 of 50

Chlorophyll in photosynthetic prokaryotic bacteria is associated with-

APlastids
BMembranous vesicles
CNucleoids
DChromosomes

Question 5 of 50

The hydrophilic nature of DNA is due to the presence of-

Aa number of hydrogen bonds
Bphosphate group
Cdeoxyribose sugar
Dthymine base

Question 6 of 50

Nuclear envelope is absent in-

AEucaryotic cell
BBacteria
CBoth eucaryotic and bacterial cell
DNone of these

Question 7 of 50

Which one among the following statements is correct ?

AProkaryotic cells possess nucleus
BCell membrane is present both in plant and animal cells
CMitochondria and chloroplasts are not found in eukaryotic cells
DRibosomes are present in eukaryotic cells only

Question 8 of 50

Cell organelles covered by single membrane-

AGlyoxysome
BLysosome
CPer-oxisome
DAll the above

Question 9 of 50

Enzymes are-

AProteins
BLipids
CSteroids
DCarbohydrates

Question 10 of 50

Chromosomes are made up of :

ADNA
BProtein
CDNA and Protein
DRNA

Question 11 of 50

Which one can respire in ansence of oxygen-

ASeed
BLeaves
CStem
DRoot

Question 12 of 50

Which of the following is NOT a feature of Eukaryotic cell ?

ANucleus well organized
BMitochondria present
CChloroplast absent in plant cells
DNuclear membrane present

Question 13 of 50

Sucidal bag of cell is-

ALysosomes
BRibosomes
CNucleosomes
DGolgibodies

Question 14 of 50

Molecular and cellular research centre is situated in-

AMumbai
BKolkata
CBanglore
DHyderabad

Question 15 of 50

Which among the following does not have a cell wall ?

AEuglena
BParamecium
CGonyaulax
DMycoplasma

Question 16 of 50

What is plant cell wall mainly composed of ?

ALipids
BVitamin
CCellulose
DProtein

Question 17 of 50

Nucleolus takes part in synthesis of-

Ar RNA
Bt RNA
Cm RNA
DDNA

Question 18 of 50

The longest cell in human body is-

ALiver cell
BMuscles cell
CNerve cell
DNone of these

Question 19 of 50

With reference to the latest developments in stem cell research consider the following statements-n1. The only source of human stem cells are the embryos at blastocyst stage.n2. The stem cells can be derived without causing destruction to blastocysts.n3. The stem cells can regenerate themselves in vitro virtually forever.n4. Indian research centres also created a few cell lines which can be developed into many types of tissuenWhich of the statement are correct ?

A1, 2 & 4
B1 & 2
C1, 2 & 3
D3 & 4

Question 20 of 50

Which of the following cell organelles play the most significant role in protein synthesis-

ALysosome and centrosome
BEndoplasmic reticulum and ribosome
CGolgi apparatus and mitochondria
DLysosome and mitochondria

Question 21 of 50

Two strand of DNA held together by-

ANitrogen bond
BHydrogrn bond
CCarbon bond
DOxygen bond

Question 22 of 50

True nucleus is absent in-

ABacteria
BFungi
CAlgae
DLichens

Question 23 of 50

Kreb cycle takes place in-

AVesicles of E.R
BMitochondria
CDictyosomes
DChloroplast

Question 24 of 50

Which one of the following is considered as a cell within a cell ?

ARibosome
BChloroplast
CLysosomes
DGolgi apparatus

Question 25 of 50

A plant cell differ from animal in having-

AChloroplast
BCell wall
CCell membrane
DNucleus

Question 26 of 50

Network of membranous irregular tubules found in cell cytoplasm is called-

AGolgibodies
BMitochondria
CRibosomes
DEndoplasmic reticulum

Question 27 of 50

Which one of the following is active transport ?

AIt is the movement of a substance against a diffusion gradient with the use of energy from respiration.
BIt is the movement of a substance against a diffusion gradient without the use of energy.
CIt is the movement of a substance against a diffusion gradient with the use of energy from photosynthesis.
DIt is the movement of a substance along a diffusion gradient with the use of energy from respiration.

Question 28 of 50

Rigidity of cell wall is due to presence of-

ACellulose
BLignin
Ca and b both
DSuberin

Question 29 of 50

Chromosomes other than sex chromososomes are called :

AMicrosomes
BAllosomes
CIsochromosomes
DAutosomes

Question 30 of 50

The cellular and molecular control of programed cell death is known as-

AApoptosis
BAgeing
CDegeneration
DNecrosis

Question 31 of 50

Cell wall is-

AOpermeable
BSemipermeable
CSelective permeable
DNon permeable

Question 32 of 50

In absence of ribosome in cell which of the following function does not takes place?

ARespiration
BExcretion
CCarbohydrate synthesis
DProtein synthesis

Question 33 of 50

Model of DNA is given by-

AKnole & Ruska
BWatson and Crick
CKhurana
DPristely

Question 34 of 50

Infolding from the inner membrane of mitochondria is called-

ACristae
BCisternae
COxysomes
DMatrix

Question 35 of 50

Which one of following is largest cell organelles ?

AChromosomes
BMitochondria
CPlastid
DGolgibodies

Question 36 of 50

The entire content of a living cell is known as___which includes the cytoplasm and the nucleus.

ACell membrane
BProtoplasm
CMitochondria
DLysosomes

Question 37 of 50

What is the full form of RNA ?

ARibonucleic Acid
BRibonitric Acid
CRibonutrient Acid
DReverse Nucleic Acid

Question 38 of 50

Prokyarytic Ribosomes are-

A80 s
B70 s
C60 s
D50 s

Question 39 of 50

Which of the following cell organelles is not lined by membrane ?

ALysosome
BRibosome
CNucleus
DGolgi apparatus

Question 40 of 50

Which of the following structure is present in mitochondria

AQuantasomes
BOxysomes
CPolysomes
DDictyosomes

Question 41 of 50

As compared to mitosis meosis has-

AExchange of chromatid segments
BNo telophase
CDaughter cells similar to parent cells
DDuplication chromosomes occurs during anaphase

Question 42 of 50

Electron microscope is in invented by-

AKnole & Ruska
Bschleiden & Schwann
CFleming & brown
DWatson & Crick

Question 43 of 50

Which of the following features of DNA make if uniquely suited to store and transmit genetic information from generation to generation ?

AComplementary of the two strand
BDouble helix
CNumber of base pairs per turn
DSugar phosphate backbone

Question 44 of 50

Which one of the following is the smallest unit showing the properties of life such as capacity for metabolism, for response to the environment, growth and reproduction ?

AGene
BChromosome
CNucleus
DCell

Question 45 of 50

The enzymes which take part in glycolysis during respiration are found in-

AMitochondria
BEndoplasmic reticulum
CVacuole
DCytoplasm

Question 46 of 50

Which one of the following is the principal structural elements of a living cell ?

AOxygen
BHydrogen
CCarbon
DNitrogen

Question 47 of 50

Main function of Golgibodies is-

ARespiration
BCell division
C% produce digestive enzyme
DSecretory

Question 48 of 50

Cellular totipotency means-

ASynthesis of new cells
BFormation of new species
CFormation of new plant
DCapability of a plant cell to form complete plant

Question 49 of 50

Nucleus was discovered by-

ARobert Brown
BLeeuwenhock
CRobbert Hooke
DSchleiden and Schwann

Question 50 of 50

Energy currency of cell for cellular process-

AAMP
BATP
CRNA
DDNA