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1.
2.
FSC101/DBIY101: Introductory Biology
Organisms are united by the fact that they undergo
(a) Revolution
(b) Evolution
(c) Predation
(d) Regeneration
Cell death is
(a) Anthophagy
(c) Apoptosis
(b) Exocytosis
(d) Atopposis
3.
All living things maintain a high degree
(a) Form and complexity
(b) Order and complexity
(c) Form and function
(d) Order and family
4.
A detectable change in internal or external environment
of an organism is called
(a) Taxis
(b) response
(c) Stimulus
(d) reflex
5.
6.
Sex of a child is determined by
(a) Female parent
(b) Temperature during copulation
(c) Maternal grandparent
(d) Male parent
Follicle stimulating hormone (FSH)
(a) stimulates the seminiferous tubules to produce
sperm
(b) is secreted by females but not males
(c) secretion is controlled by gonadotrophic releasing
hormone
(d) Both A and C are correct
7.
Which pathway is regarded as the “terminal pathway of
metabolism”
(a) Kreb’s cycle
(b) Calvin cycle
(c) Glycolysis
(d) Hexose shunt
8.
Who among the following produced evidence that
nucleic acid is the carrier of genetic information and not
protein?
(a) Robert Brown (b) Oswald Avery
(c) Watson David (d) Rudolf Virchow
9.
10.
11.
The ribosomes for protein synthesis are manufactured
by the
(a) Nucleus
(b) Nucleoplasm
(c) Nucleolus
(d) Cytoplasm
12.
Which of the following is not true about protein
synthesis in prokaryotes
(a) 70S ribosomes (b) 80S ribosomes
(c) No endoplasmic reticulum
(d) None of the above
13.
During photosynthesis, NADPH acts as?
(a) Energy supplier (b) Reducing agent
(c) Oxidizing agent (d) None of the above
14.
Carotenoid look yellow because they?
(a) reflect yellow light
(b) absorb yellow light
(c) reflect green light
(d) absorb green light
15.
Method of feeding of pin mould, mucor on stale bread
is
(a) Holophytic
(b) Saprophytic
(c) Parasitic
(d) Autotrophic
16.
All these devices except _________ make self
pollination impossible
(a) Dichogamy
(b) Unisexuality
(c) Homogamy
(d) Self sterility
17.
All members of the same species found in a particular
community are called
(a) Niche (b) ecosystem (c) populations (d) family
Nos 18-26
Shade “A” if statement is true or “D” if false
Which of the following is not associated with
prokaryotes
(a) mesosomes
(b) nucleoid
(c) plasmids
(d) nucleolus
Which of the following is NOT associated with male
reproductive physiology
(a) Testosterone (b) Prolactin (c) Interstitial hormone
(d) Follicle stimulating hormone
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Thursday 8th March, 2012.
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18.
Fungi are autotrophic
19.
Kingdom is a taxon
20.
Thymine occurs in both DNA and RNA
21.
Ornithomimus is a primitive bird
22.
Members of kingdom monera lack nervous system
23.
Ontogeny does not recapitulate phylogeny
24.
Heritable variation is a consequence of meiosis
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FSC101/DBIY101: Introductory Biology
Thursday 8th March, 2012.
(c) competition
25.
Sickle cell anaemia occurs because one out of 146
amino acids in the α-chain of haemoglobin has been
changed
26.
In test for partial and total colour blindness, individuals
affected with total colour blindness cannot read any
numbers in all the plates
27.
The clumping of red blood cells when treated with the
appropriate anti-serum is
(a) agglutination (b) aggluttination
(c) aglutinnation (d) aglutination
28.
Natural selection favours
(a) strongest individuals
(b) those most reproductively fit
(c) victors in survival struggle
(d) most variable genotypes
29.
Extinction in evolution
(a) gives rise to new types by natural selection
(b) is a consequence of mutations
(c) is inherently unavoidable
(d) none of the above
30.
Binomial nomenclature has two parts
(a) genus and order
(b) genus and species
(c) genera and species
(d) order and species
31.
Apart from energy production, mitochondria are also
involved in
(a) Apoptosis
(b) Apoposis
(c) Apoptisos
(d) Apotosis
A. 2
32.
Nos 32-36
B. 3
C. 4
38.
Consider the components of a food chain Producers →
Herbivores → Carnivores → Top carnivores. Which
level contains most energy?
(a) producers
(b) herbivores
(c) carnivores
(d) top carnivores
39.
Sexual reproduction leads to
(a) genetic variation
(b) genetic stability
(c) genetic instability
(d) A and C
40.
This organism is not bisexual
(a) paramecium (b) obelia (c) Balanus (d) Rabbit
41.
The gametophyte generation is dominant in
(a) coniferophyta (b) Filicinophyta
(c) Bryophyta
(d) Angiospermata
42.
How is the primary consumer like a secondary
consumer?
(a) both pass on less energy to the next trophic level
than they received
(b) both pass on same amount of energy to next trophic
level
(c) both tend to be herbivores that produce nutrients
for plants
(d) both are able to convert organic compounds to
ATP without loss of energy
43.
Which of these combinations is for a eukaryotic
ribosome?
(a) 60S + 40S
(b) 70S + 30S
(c) 50S + 30S
(d) 60S + 30S
44.
The nuclear envelope is
(a) Smooth
(b) Perforated
(c) Flagellated
(d) None of the above
D. 6
Organisms may be classified into maximum of ____
kingdoms
Nos 45-48
A. Turner syndrome
B. Klinefeller syndrome
C. Down syndrome
D. None of the above
33.
The maximum number of eons is _____
34.
There are ____ eras
45.
XXX
35.
There are ____ basic laws of inheritance
46.
Trisomy-21
36.
There are ____ antigens in the ABO blood group
47.
XXY
37.
Territoriality occurs as a result of
(a) predation
(b) parasitism
48.
XO
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(d) fighting
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A. Eocene
C. Cretaceous
FSC101/DBIY101: Introductory Biology
Nos 49-52
B. Carboniferous
C. Pleistocene
49.
Origin of placental mammals
50.
Age of amphibians
51.
Angiosperms were dominant
52.
Extinction of dinosaurs
64.
The following syndromes lead to 47 chromosomes
except
(a) Down syndrome
(b) Klinefelter syndrome
(c) Edward syndrome
(d) Turner syndrome
65.
Edward syndrome
(a) Trisomy-21 with 45 autosomes
(b) Trisomy-21 with 47 autosomes
(c) Trisomy-18 with 45 autosomes
(d) Trisomy-18 with 47 autosomes
66.
The following are sub-stages of prophase I except
(a) Leptotene
(b) Zygotene
(c) Chiasmatene
(d) Pachytene
67.
Patau syndrome is also known as
(a) Trisomy 21
(b) Trisomy 13
(c) Trisomy 18
(d) Trisomy 10
68.
Which of the following is NOT a constituent of DNA
(a) Durine (b) Uracil (c) Phosphate (d) Deoxyribose
Nos 52-56
A. Homo sapiens sapiens
B. Homo antecessor
C. Homo erectus
D. Australopithecus boisei
53.
Found in Olduvai
54.
First hominid out of tropics
55.
Formerly zinjanthropus
56.
800,000 years ago
Thursday 8th March, 2012.
Nos 69-73
Answer True (A) or False (D)
Nos 57-60
A. O-type B. A-type C. B-type D. AB-type
69.
Karyokinesis occurs before cytokinesis in binary fission
57.
Universal recipient
70.
The sporophyte generation is dominant in pteridophyte
58.
Has no antigen
71.
Sporophyte plant stays on gametophyte in pteridophyte
but is independent in Bryophyte
59.
Can donate blood to only one blood type
72.
60.
Has no antibody
Louis Pasteur proved that life does not arrive
spontaneously
61.
In asexual form of reproduction known as fission, the
parental body divides into
(a) Two equal parts
(b) More or less equal parts
(c) two less equal parts
(d) divides only once
73.
In hot climate, plants close their stomata in order to
increase carbon dioxide concentration
74.
The lifecycle that has 2 separate generations that
alternate between them is called
(a) Haplontic
(b) Diplontic
(c) Haplodiplontic (d) Diplophase
75.
Glandular cells have prominent
(a) mitochondria (b) nuclei
(c) golgi
(d) peroxisomes
76.
Synthesis of cholesterol and bile acids take place in
(a) RER
(b) SER
(c) peroxisomes
(d) none of the above
62.
63.
Bryophytes have
(a) no conducting tissues
(c) strengthening tissues
(b) conducting tissues
(d) all of the above
Which of these is the least productive to the most
productive communities
(a) ocean, rocky beach, temperate forest, estuary
(b) agricultural land, tundra, tropical rainforest, desert
(c) lakes and streams, tropical rainforest, open ocean
(d) agricultural land, lakes and streams, open ocean
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FSC101/DBIY101: Introductory Biology
Thursday 8th March, 2012.
77.
The microtubules radiating from the centriole during
prophase in the animal cell form the
(a) kinetochore
(b) phragmoplast
(c) aster
(d) centromere
(a) occupy the same niche
(b) eat different foods and occupy different ranges
(c) spend much time fighting each other
(d) A and C are correct
78.
Chondroblast cells produce
(a) Bone
(b) Cartilage
(c) Connective tissue
(d) red blood
Nos 87-94
A. Period B. Eon C. Epoch
79.
80.
81.
82.
83.
84.
85.
Two sister chromatids are held together at
(a) aster
(b) centromere
(c) centrosome
(d) phragmoplast
Which of these events identifies mitosis in a plant cell?
(a) cell plate formation
(b) absence of aster
(c) only A
(d) A and B
Microtubular fibres are attached to the chromosome at
the
(a) centrosome
(b) centromere
(c) kinetochore
(d) phragmoplast
Which of these is not a function of peroxisomes
(a) site for hydrogen peroxide synthesis
(b) site for hydrogen peroxide degradation
(c) synthesis of very long chain fatty acids
(d) interkinesis
87.
Archaeozoic
88.
Phanerozoic
89.
Holoscene
90.
Triasic
91.
Palaezoic
92.
Silurian
93.
Myocene
94.
Cretaceous
A. Class
When does crossing over take place in meoisis
(a) Zygotene
(b) Chiasmatene
(c) Pachytene
(d) Diakinesis
Nos 95-97
B. Phylum C. Order
95.
Osteichthytes
96.
Eubacteria
97.
Sirenia
Meiotic chromosomes are held together at several
points called
(a) centromere
(b) kinetochore
(c) chiasma
(d) chiasmata
Nos 98-100
A. Tertiary
B. Devonian
D. Carboniferous
In a population of 1500, if birthrate is 42% per year and
death rate is 27% per year. The rate of natural increase
will be
(a) 42% (b) 27% (c) 1% (d) 2.7%
D. Era
D. Kingdom
C. Cretaceous
98.
Age of amphibians
99.
Primates appeared at the beginning of the ______
100. Origin of placental mammals
86.
Six species of monkeys are found in a tropical forest,
most likely, they
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