BIO101 List of Questions
Q1 Plant with tiny and long stems with or without branches are called
Shrubs
herbs
Climbers
trees
Q2 Plants in this group are of medium size but with hard and woody stem are called
Shrubs
herbs
Climbers
trees
Q3 Plants that are small and have soft stems are called
Shrubs
herbs
Climbers
trees
Q4 When the stem lies prostrate on the ground it is called
Trailers
procumbent
diffuse.
decumbent.
Q5 if the stem has many branches and trail at direct directions, it is said to be
Trailers
procumbent
diffuse.
decumbent.
Q6 The stem that is erect, cylindrical and has no branches is called
flowers
caudex.
shoots
leaves
Q7 those stems above the ground
plant
aerial
mango
cashew
Q8 Certain level of _______ is needed for a seed to germinate.
protoplasm
germinate
Temperature
breeding
Q9 The process of _______of seed begins when the seed absorbs moisture.
absorption
moisture
germination
Monocot
Q10 ______ is pollination associated with insects.
Entomophily
Allogamy
Cleistogamy
Homogamy
Q11 _______ is the virus that causes AIDS (Acquired Immune Deficiency Syndrome).
RNA
DNA
HIV
SNA
Q12 The _____is the basic unit of structure and function in living organisms.
Atom
Cell
Organs
Food
Q13 _____ is Living organisms respond to forces or anything external, even internal, i.e. any stimuli in the environment, it could be change of weather
Assimilation
Growth
Responsiveness
Reproduction
Q14 _______ is All cells of living organisms multiply or divide. This multiplication or division enables the organism to perpetuate their species.
Ingestion
Assimilation
Growth
Reproduction
Q15 ______ is All living things feed one way or the other. They take in food for many reasons, chief among these is for energy purposes.
Assimilation
Ingestion
Growth
Reproduction
Q16 ——–is Living organisms utilise food (nutrients) to maintain life.
Assimilation
Ingestion
Growth
Reproduction
Q17 All living organisms get rid of unwanted products (waste) is known as
Assimilation
Ingestion
Growth
Excretion
Q18 ____ are the most ancient group of organisms that appeared about 3,500 million years ago.
Bacteria
Diseases
Fungi
Virus
Q19 Virus particles bud off from the cell surface membrane of the host by ____.
exotics
exocytosis
acid
acidic
Q20 Whenever the cell divides, it also makes a ____ of the viral DNA. Increasing the number of infected cells.
Duplicate
copy
Insert
Move
Q21 The viral ____ is released into the cytoplasm of the host cell, together with the enzyme reverse transcriptase.
DNA
RNA
SNA
OPD
Q22 ____ glycoprotein attaches to a specific receptor protein in the cell surface membrane.
Disease
Virus
Toxic
Flame
Q23 The structure of ____ consist of either DNA or RNA
Cell
virus
Plant
Food
Q24 In plant cell, the ____ (not the cell wall) act as the differentially permeable membrane.
membrane
ectoplasm
Cytoplasm
Nucleus
Q25 The ____ is the structure that allows the molecules to pass from one solution to the other.
Cell
membrane
Cytoplasm
Nucleus
Q26 ____ cells have chlorophyll, cellulose and starch
Animal
Plant
Food
Acid
Q27 The diameter of a typical animal cell is about ____
one hundredth of a millimetre
Two hundredth of a millimetre
Three hundredth of a millimetre
Four hundredth of a millimetre
Q28 ____ cells have adrenaline, thyroxine and the organelle centriole
Food
Animal
Cell
Goods
Q29 The ____ is the basic unit of structure and function in living organisms.
Tissue
Cell
Organs
Plant
Q30 ____ simply put is increase of materials in an organism
Increase
Big
large
Growth
Q31 Living organisms utilize ____ to maintain life
Food
Energy
Solar
Water
Q32 The organism needs ____ to carry out all the other activities associated with living things.
energy
Power
Cell
Organs
Q33 Which of these is not classified as algae?
Spirogyra
amoeba
diatoms
euglena
Q34 The tip of the root has a covering called
root hair
root head
root cover
root cap
Q35 Which of these is not a characteristic of the root
bears no bud
bears unicellular hair
greenish in colour
have no nodes
Q36 The stem develops from
Leaves
branches
plumule
root nodes
Q37 Leaves and Branches develops from the
internodes
plumule
nodes
plumage
Q38 Stems above the ground are called ——- stem
a boreal
aerial
vegetative
underground
Q39 A young undeveloped shoot consisting of a very short stem and tender leaves is best referred to as a
bud
node
pore
seedling
Q40 Fungi belong to which of these groups?
eukaryotes
coelenterates
myriapoda
prokaryote
Q41 Fungi can be said to be mainly ——- organism
multicellular
unicellular
variegated
etiolate
Q42 The study of fungi is refered to as
anthropology
astrology
mycology
entomology
Q43 The fungus used as food by humans is
Agaricus
Yeast
Aspergillus
Penicillium
Q44 Water is absorbed in plants by the
root hairs
root
stem
root and stem
Q45 Which of these fruits is a capsule?
pea
cotton
mustard
maize
Q46 A root possess all except one of these
a cap
unicellular hairs
nodes and internodes
descends below the soil
Q47 A virus is predominantly composed of
glycol-protein
glycogen
fats
proteins
Q48 Which of the following is not a character of living things?
growth
excretion
regulation
crying
Q49 The two kinds of living things are
plant and animal
plant and soil
plant and water
plant and fis
Q50 The product of light energy is used as
material
game
money
food
Q51 Living things belong to
one group
two groups
three groups
four groups
Q52 Living things feed for
energy
fighting
filling space
death
Q53 In living things, new ones must be
reduced
reclaimed
redistributed
produced
Q54 In living things, one of these statements is correct
waste must be accumulated
waste must be recircled
waste must be removed
waste must be doubled
Q55 Which of these statements best describe a character of living things?
utilise energy from the environment
generate energy from the environment
destroy energy from the environment
multiply energy from the environment
Q56 Cinnabar eyes is a sex-linked recessive characteristic in fruit flies. If a female having cinnabar eyes is crossed with
1
0.5
0.25
0.75
Q57 What is the chromosomal system for sex determination in birds?
Z-W
X-Y
Y-X
X-0
Q58 Morgan and his colleagues worked out a set of symbols to represent fly genotypes. Which of the following are representative?
AaBb × AaBb
XY or XX
vg+vgse+se × vgvgsese
+2 × +3
Q59 Why did the improvement of microscopy techniques in the late 1800s set the stage for the emergence of modern genetics?
It revealed new and unanticipated features of Mendelʹs pea plant varieties
It allowed the study of meiosis and mitosis, revealing parallels between behaviors of genes and chromosomes.
It allowed scientists to see the DNA present within chromosomes.
It led to the discovery of mitochondria. E) It showed genes functioning to direct the formation of enzymes.
Q60 The process by which phage reproduction is initiated in lysogenized culture is called
Infection
Integration
Repression
Induction
Q61 A cell has mitochondria, ribosomes, smooth and rough ER, and other parts. Based on this information, it could not be
cell from a pine tree.
a grasshopper cell
a yeast (fungus) cell.
a bacterium.
Q62 You would expect a cell with an extensive Golgi apparatus to
make a lot of ATP.
secrete a lot of material.
move actively.
perform photosynthesis.
Q63 Bacterial cell are prokaryotic; in comparison to a typical eukaryotic cell they would
be smaller.
have a smaller nucleus.
lack a plasma membrane.
have fewer internal membranous ompartments.
Q64 Most types of virus particles show which types of symmetries?
Complex and bilateral
Cuboid and helical
Complex and helical
Cuboid and bilateral
Q65 Femaleness is promoted in cucurbits by using:
IAA
GA c.
Cytokinin
Ethylene
Q66 Deficiency of which element causes chlorosis:
Magnesium
Calcium
Chlorine
Sodium
Q67 Emerson found red drop in wavelength is
660nm
670nm
680nm
680-700nm
Q68 Splitting of water in photosynthesis is called:
Dark reaction
Photolysis
electron transfer
Phototropism
Q69 Wilting occurs when
Xylem is blocked
Phloem is blocked
Cambium is blocked
all of the option
Q70 Transpiration is measured by:
Porometer
Potetometer
Potometer
Sonometer
Q71 Transpiration pull causes an increase in:
DPD
TP
WP
Water potential
Q72 Alga rich in protein is
Ulothrix
Chlorella
Oscillatoria
Spirogyra
Q73 Fucoxanthin is found in
brown algae
green algae
red algae
blue-green algae
Q74 Ulothrix is found in
hot sandy desert
slow running water
rocky places
sea
Q75 Simplest type of reproduction in plants is found in
Ulothrix
Nostoc
Chlamydomonas
Spirogyra
Q76 Asexual reproduction in Spirogyra
takes place by zoospore formation
has not been recorded
takes place by hypnospore formation
takes place by aplanospore formation
Q77 Spirogyra differs from moss-protonema in having
branched filaments
discoid chloroplasts
rhizoidal branches
pyrenoids
Q78 Agar-Agar is derived from
algae
bryophytes
gymnosperms
fungi
Q79 In Ulothrix, reduction division takes place at the time of
formation of spores
formation of gametes
germination of zygote
formation of zoospores
Q80 Parasitic alga is
Ulothrix
Spirogyra
Cephaleuros
Chlamydomonas
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