Cytology Revision Questions

Question 1

THE CORRECT SEQUENCE OF LEVELS OF BIOLOGICAL ORGANIZATION FROM THE SMALLEST TO THE LARGEST is?

Answer 1

molecular level-subcellular level-organelle-tissue-organ-organ system-organism-population-community-ecosystem-biosphere level

Question 2

The part of the microscope which needs to turn up the power of magnification such as from X40-X100 is?

Answer 2

Revolving nosepiece

Question 3

The cell organelles that are found in plants and not animals include;

Answer 3

cell wall, chloroplast, large central vacuole, plastids

Question 4

The function of the rough endoplasmic reticulum includes?

Answer 4

Synthesis and sorting of proteins

Question 5

The cell was discovered in what year and by what scientist?

Answer 5

1665, by Robert Hooke

Question 6

What cell organelle is used for intercellular digestion?

Answer 6

Lysosome

Question 7

Function of the Nucleolus

Answer 7

synthesis of ribosomes

Question 8

The Hereditary material of prokaryotes is?

Answer 8

one circular strand of DNA molecule

Question 9

protein synthesis in a prokaryotic cell takes place in the

Answer 9

ribosomes in the cytoplasm

Question 10

The word Biology was suggested by?

Answer 10

Karl F Burdach, G.R Treviranus, J.B De Lamarck

Question 11

A. Golgi Body
B. ER
C. Lysosomes
D. Plastids
Which of these are double membranous cell organelles

Answer 11

Plastids

Question 12

Biology is a science studying

Answer 12

Living matter

Question 13

Energy synthesis is the highest in?
a] Biological Oxidation
b] Protein biosynthesis
c] Glycolysis
d] Photosynthesis

Answer 13

Glycolysis

Question 14

THE NUMBER OF HYDROGEN BONDS BETWEEN THE GUANINE AND

CYTOSINE IN DNA DOUBLE STRAND

Answer 14

3

Question 15

WHEN NO OXYGEN IS AVAILABLE, PYRUVATE IS CONVERTED TO

Answer 15

Latic Acid

Question 16

PHOTOLYSIS OF WATER HAPPENS

Answer 16

In the light phase

Question 17

THE STRUCTURE OF COILED DNA AND PROTEINS THAT FORMS IN

THE CELLS NUCLEUS PRIOR TO MITOSIS IS

Answer 17

Chromosome

Question 18

THE PROCESS BY WHICH THE NUCLEAR MATERIAL IS DIVIDED

EQUALLY BETWEEN TWO NEW CELLS IS

Answer 18

Mitosis

Question 19

NUMBER OF DAUGHTER CELLS FORMED IN MEIOSIS IS

Answer 19

4

Question 20

ECTODERM GIVES RISE TO THE?

a] epithelium of uterus
b] pancreas
c] epithelium of lungs
d] epidermis of skin

Answer 20

Epidermis of the skin

Question 21

AGING PROCESS IN CELLULAR LEVEL INCLUDES
Select one:
a] activation of rough ER and Golgi body
b] decreasing of cytoplasmic microtubules
c] storage of lipofuscin pigment in a cell cytoplasm
d] accumulation of ATP in a cell

Answer 21

storage of lipofuscin pigment in a cell cytoplasm

Question 22

INTRAUTERINE TYPE OF DEVELOPMENT IS TYPICAL FOR?
a] Turtle
b] Kangaroo
c] Echidna
d] Crocodile

Answer 22

Kangaroo

Question 23

ENDODERM GIVES RISE TO THE
a] kidney
b] liver
c] lymph
d] heart

Answer 23

Liver

Question 24

A butterfly undergoes what kind of metamorphosis

Answer 24

Complete

Question 25

``` PERIOD OF POSTEMBRYONIC DEVELOPMENT IS Select one: a] maturation period b] growth period c] blastulation period d] organogenesis ```

Answer 25

Maturation Period

Question 26

One triplet of DNA molecule contains information about?

Answer 26

amino acid sequences in a protein molecule

Question 27

What organelle is responsible for cell division

Answer 27

Centriole

Question 28

Human Karyotype has

Answer 28

46 chromosomes

Question 29

THE PART OF DNA NUCLEOTIDE THAT DISTINGUISHES IT FROM OTHER TYPES

Answer 29

Glycerol Attachment

Question 30

The triplets are named Anti-Codons of what molecule?

Answer 30

t-RNA

Question 31

The term transcription refers to the process of?

Answer 31

synthesis of m-RNA

Question 32

AT THE PREPARATORY STAGE OF THE ENERGY METABOLISM

Answer 32

Hydrolysis of micro molecules take place

Question 33

THE STUDY OF MICROORGANISM WHICH INCLUDES THE GROUP OF BACTERIA, VIRUSES. PROTOZOANS, UNICELLULAR ALGAE AND MUSHROOMS IS NAMED

Answer 33

Microbiology

Question 34

THE STRUCTURE WHICH REGULATES THE AMOUNT OF LIGHT PASSING THROUGH THE SLIDE SPECIMEN ON THE MICROSCOPE STAGE IS

Answer 34

Diaphragm

Question 35

THE FIRST STAGE OFTHE CELL CYCLE DURING WHICH THE CELL MATURES, GROWS AND PREPARES TO DIVIDE AND COPIES IT'S DNA IS NAMED

Answer 35

Interphase

Question 36

An organism gets its traits during sexual reproduction from?

Answer 36

Both Parents

Question 37

CELL TYPE FORMED BY MEIOSIS IS a] sperm cells b] blood cells c] nerve cells d] skin cells

Answer 37

Sperm cells

Question 38

THE MAIN PROCESS OF GLYCOLYSIS IS

Answer 38

Breaking down of glucose to pyruvic acid

Question 39

Process increasing the variability of Genetic information a] Meiosis b] Mitosis c] Endomitosis

Answer 39

Meiosis

Question 40

What type of asexual reproduction regrows from the part of an organism

Answer 40

Budding

Question 41

The first embryo stage forming by cleavage is called

Answer 41

Morula

Question 42

``` Incomplete metamorphosis is for which of the following organisms? a] Triton b] Shark c] Spider d] Chameleon ```

Answer 42

Spider

Question 43

Post embryonic development is from

Answer 43

Birth till death

Question 44

One Amino acid is coded by

Answer 44

3 nucleotides

Question 45

Biology is the study of?

Answer 45

Living matter