Cytology MCQ: MCQ Test (50 questions)

Question 1 of 50

A substance which is more than 80% in the cell is-

AProtein
BFat
CMineral
DWater

Question 2 of 50

All life forms contain 'molecules of life'. These are-

ACarbohydrates
BProteins
CNucleic
DAll of these

Question 3 of 50

Electron microscope is in invented by-

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

Question 4 of 50

Site of cellular respiration is-

AGolgibodies
BMitochondria
CRibosomes
DLysosome

Question 5 of 50

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

ARespiration
BExcretion
CCarbohydrate synthesis
DProtein synthesis

Question 6 of 50

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

ACentriole
BGolgi apparatus
CLysosomes
DMitochondia

Question 7 of 50

Attractive colour of flower and seed is due to-

ALeucoplast
BChromoplast
CChloroplast
DTonoplast

Question 8 of 50

Which among the following does not have a cell wall ?

AEuglena
BParamecium
CGonyaulax
DMycoplasma

Question 9 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 10 of 50

Nucleoid is present in-

AProcaryotes
BProtozoa
CGreen algae
DNone of these

Question 11 of 50

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

AMitochondria
BEndoplasmic reticulum
CVacuole
DCytoplasm

Question 12 of 50

What is the full form of RNA ?

ARibonucleic Acid
BRibonitric Acid
CRibonutrient Acid
DReverse Nucleic Acid

Question 13 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 14 of 50

Function of lysosome is-

AProtein synthesis
BProcessing and packaging
CIntracellular digestion
DSynthesis of fat

Question 15 of 50

Model of DNA is given by-

AKnole & Ruska
BWatson and Crick
CKhurana
DPristely

Question 16 of 50

Lysosome is formed from which of the following cell organelles ?

ANucleus
BEndoplasmic reticulum
CGolgi bodies
DRibosomes

Question 17 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 18 of 50

Cell organelles covered by single membrane-

AGlyoxysome
BLysosome
CPer-oxisome
DAll the above

Question 19 of 50

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

ALysosome
BRibosome
CNucleus
DGolgi apparatus

Question 20 of 50

Rigidity of cell wall is due to presence of-

ACellulose
BLignin
Ca and b both
DSuberin

Question 21 of 50

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

AGolgibodies
BMitochondria
CRibosomes
DEndoplasmic reticulum

Question 22 of 50

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

AApoptosis
BAgeing
CDegeneration
DNecrosis

Question 23 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 24 of 50

Which one of the following is known as power house of cell ?

AGolgi bodies
BNucleolus
CMitochondrion
DRibosomes

Question 25 of 50

Cell wall is-

AOpermeable
BSemipermeable
CSelective permeable
DNon permeable

Question 26 of 50

True nucleus is absent in-

ABacteria
BFungi
CAlgae
DLichens

Question 27 of 50

A plant cell differ from animal in having-

AChloroplast
BCell wall
CCell membrane
DNucleus

Question 28 of 50

Cell theory was put forward by-

ASchleiden and schwann
BSulton and Boveri
CWatson and Crick
DDarwin and Wallace

Question 29 of 50

What is the full form of DNA ?

ADiribo nucleic acid
BDi nucleic acid
CDual nitrogen acid
DDeoxyribonucleic acid

Question 30 of 50

Assertion (A) : Scientists can cut apart and paste together DNA molecules at will, regardless of the source of molecules.nReason (R) : DNA fragments can be mainpulated using restriction endonucleases and DNA ligases.

ABoth A and R are true and R is the correct explanation of A
BBoth A and R are true, but R is not a correct explanation of A
CA is true, but R is false
DA is false, but R is true

Question 31 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 32 of 50

Centriole take part in-

ANucleolus formation
BStart of cell division
CCell plate formation
DSpindle formation

Question 33 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 34 of 50

Molecular and cellular research centre is situated in-

AMumbai
BKolkata
CBanglore
DHyderabad

Question 35 of 50

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

AOxygen
BHydrogen
CCarbon
DNitrogen

Question 36 of 50

Enzymes are-

AProteins
BLipids
CSteroids
DCarbohydrates

Question 37 of 50

Main function of Golgibodies is-

ARespiration
BCell division
C% produce digestive enzyme
DSecretory

Question 38 of 50

Number of mitochondria in bacterial cell is-

AOne
BTwo
CMany
DZero

Question 39 of 50

In a living cell what is the site of ribosome formation ?

AGolgi bodies
BEndoplasmic reticulum
CPlasma membrane
DNucleolus

Question 40 of 50

Infolding from the inner membrane of mitochondria is called-

ACristae
BCisternae
COxysomes
DMatrix

Question 41 of 50

Site of protein synthesis in a cell is-

ALysosome
BRibosomes
CMitochondria
DGolgibodies

Question 42 of 50

Prokyarytic Ribosomes are-

A80 s
B70 s
C60 s
D50 s

Question 43 of 50

Which of the following structure is present in mitochondria

AQuantasomes
BOxysomes
CPolysomes
DDictyosomes

Question 44 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 45 of 50

Energy currency of cell for cellular process-

AAMP
BATP
CRNA
DDNA

Question 46 of 50

Nucleolus takes part in synthesis of-

Ar RNA
Bt RNA
Cm RNA
DDNA

Question 47 of 50

Vacuole is covered by single membrane called-

APlasmalemma
BCell membrane
CTonoplast
DCell wall

Question 48 of 50

The longest cell in human body is-

ALiver cell
BMuscles cell
CNerve cell
DNone of these

Question 49 of 50

The cell was first time described by-

ALamarck
BSchwann
CRobert hooke
DRudolf

Question 50 of 50

Chromosomes other than sex chromososomes are called :

AMicrosomes
BAllosomes
CIsochromosomes
DAutosomes