Cell

Question 1

smallest cell in animal

Answer 1

mycoplasma

Question 2

largest cell in animal

Answer 2

ostrich egg

Question 3

smallest cell in humans
largest cell in humans

Answer 3

sperm
ovum , Neuron (males)

Question 4

cell discovered by

Answer 4

Robert Hooke 1665 in cork (Dead cell)

by Antonie van Leeuwenhoek (1674) — in pond water (Living Cell)

Question 5

Double-helical structure of DNA

Answer 5

Watson & Crick (1953)

Question 5

Molecule discovery of DNA

Answer 5

by Fredrick Mischer (1869)

Question 5

father of cytology

Answer 5

Robert Hooke

Question 6

Triple-helical structure of collagen

Answer 6

G.N.Ramachandran

Question 7

cell membrane is made up of

Answer 7

Proteins+lipids (composition)

Question 7

present for everything

Answer 7

cell membrane

Selectively permeable

Question 8

cell wall

Answer 8

Animal cells do not have a cell wall

Freely permeable, Non-living

Question 9

cell wall of plants

Answer 9

Plants - made up of Cellulose - lignin

Question 9

cell wall of Bacterial

Answer 9

made up of Peptidoglycan

Question 10

cell wall of Fungi

Answer 10

Chitin

Question 11

Separates nucleus from cytoplasm

Answer 11

Nuclear envelope

Question 12

Largest cell structure

Answer 12

Nucleus
“Brain of the cell”

Question 13

Liquid ground substance of nuclear envelope

Answer 13

Nucleoplasm

Question 14

Nucleolus

Answer 14

forms protein forming centres-Ribosomes (RNA + protein)

Question 15

Entangled mass of thread like structures

Answer 15

Chromatin material

Question 16

Thread like structures visible during cell division DNA Proteins

Answer 16

Chromosome

Question 16

Chromosome-Components

Answer 16

DNA - consists of genes
Proteins-Histone

Question 16

Chromosome pairs?

Answer 16

23 pairs - 22 pairs (autosomal)
- 1 pair (sex pair- XX & XY)

Question 17

Parts between plasma membrane & nuclear envelope

Answer 17

Cytoplasm

Question 18

Cell organelles present in it

Answer 18

Cytoplasm

Question 19

Cell organelles

Answer 19

Mitochondria Lysosomes Golgi bodies Endoplasmic Reticulum Vacuoles Plastids

Question 19

ATP

Answer 19

ATP (Adenosine Triphosphate) Energy currency

Question 20

how many ATP

Answer 20

36 ATP 6^2 anaerobic respiration yields 2 ATP for every molecule of glucose

Question 21

Cis face Trans face

Answer 21

towards-nucleus towards- plasma membrane

Question 21

Sucidal bag of the cell

Answer 21

Lysosomes (Digestive)

Question 21

Cis face Trans face in ?

Answer 21

Golgi bodies

Question 22

Post office of the Cell

Answer 22

Golgi bodies

Question 22

Rough ER Smooth ER makes?

Answer 22

Rough ER: makes proteins, ribosomes present Smooth ER: synthesis of fats and lipids, ribosomes absent

Question 22

___ forms lysosomes

Answer 22

Golgi bodies

Question 22

Convex - forming face ? Concave - maturing face ?

Answer 22

Cis face Trans face

Question 23

Detox, Manufacturing in

Answer 23

Endoplasmic Reticulum

Question 24

Vacuoles in animals

Answer 24

Small, temporary stores glucose, glycogen, protein

Question 24

Vacuoles - in plants

Answer 24

Large, distinct, Permanent

Question 25

kitchen of a cell

Answer 25

Plastids Only in plant cell · Has its own DNA & Ribosomes

Question 26

Plastids types

Answer 26

Chloroplasts - stores chloropyll pigment (Mg metal) Chromoplasts - stores colour pigment Leucoplasts - stores starch oil protein

Question 27

Chloroplasts stores

Answer 27

stores chlorophyll pigment

Question 28

Chromoplasts stores

Answer 28

stores colour pigment

Question 29

Leucoplasts stores

Answer 29

Stores starch, oil and protein granules

Question 30

Metal in Chlorophyll

Answer 30

Magnesium (Mg)

Question 31

Amyloplasts synthesize Elaioplasts Aleuroplast

Answer 31

Amyloplasts synthesize - starch Elaioplasts synthesize - Oil Aleuroplast synthesize - Protein

Question 32

Tomatoes pigment

Answer 32

Lycopene

Question 33

Carrot pigment

Answer 33

carotenoids

Question 34

Cell division phases

Answer 34

G1 - Growth S -DNA synthesis G2 - Growth & preparation for mitosis M - Mitosis

Question 35

Mitosis occurs in Meiosis occurs in

Answer 35

Somatic cells ( not involve sex) Germ cells (involve sex)

Question 36

Mitosis

Answer 36

Nucleus divides once diploid (2), 2 daughter cells 2 set of chromosomes

Question 37

Meiosis

Answer 37

Nucleus divides twice haploid (1), 4 daughter cells 1 set of chromosomes

Question 38

Prokaryotic cell Eukaryotic cell

Answer 38

e.g. - bacteria, cynobacria, mycoplasma e.g. - Plant, Animal

Question 39

DNA RNA

Answer 39

DNA RNA Adenine Adenine Guanine Guanine Thymine* Uracil* Cytosine Cytosine AGTC AGUC

Question 40

That separates the internal environment of the cell from the extracellular fluid

Answer 40

Plasma membrane

Question 41

Group of cells --> ___

Answer 41

Group of cells --> Tissue --> Organ ---> Organ system

Question 42

Cytoplasm

Answer 42

Substance inside the cell between plasma membrane & nuclear envelope Cytosol - fluid part of cytoplasm

Question 43

Protein synthesis takes place in

Answer 43

Ribosomes

Question 44

Mitoplast

Answer 44

Mitochondria whithout outer membrane

Question 45

In animal cells, Generally small and help separate waste products in cell

Answer 45

Vacuole

Question 46

No nucleus, lack membrane

Answer 46

Prokaryotic cell Eukaryotic cell - nucleus ,membrane present

Question 47

Central Dogma of molecular biology

Answer 47

DNA ---> RNA ----> Protein

Question 48

Aleuroplast

Answer 48

Protein

Question 49

Protoplasm

Answer 49

Cytoplasm + nucleus

Question 50

Has its own DNA & Ribosomes

Answer 50

Mitochondraia Plastids

Question 51

Garbage disposal

Answer 51

Lysosomes