Solved Past Paper
SPSC Lecturer Botany Past Paper 25 June 2013
Practice and review SPSC Lecturer Botany Past Paper 25 June 2013 with verified questions, correct answer keys, and detailed solutions.
Total Questions
50 Qs
Duration Limit
100 Min
Negative Mark
0.00
Attempt Count
0
Solved Questions & Explanations
50 questions with verified answers and explanations
1
Stele of stem in which xylem is in the centre surrounded by a narrow band of phloem is called as:
General Characteristics of Bryophytes
PYQ
Also appeared in
2
Higher gymnosperms differ from pteridophytes in having well-defined:
General Characteristics of Pteridophytes
PYQ
Also appeared in
3
The seed formation in gymnosperms occur due to permanent retention of:
General Characteristics of Gymnosperms
PYQ
a
Microspore
b
Megaspore
c
Macrospore
d
Statospore
Also appeared in
4
Point of attachment of seed inside ovary is called:
General Characteristics of Bryophytes
PYQ
a
Megaspore
b
Locule
c
Placenta
d
Funiculus
Also appeared in
5
The ending suffix for orders is:
General Characteristics of Bryophytes
PYQ
a
-ceae
b
-idae
c
-ales
d
-cota
Also appeared in
6
Phylogenetic system of classification is based on:
Artificial, Natural, and Phylogenetic Classification Systems
PYQ
a
Morphological relationships of
b
Evolutionary relationship of organisms
c
Cytological relationship of organisms
d
Chromosomal relationship of organisms
Also appeared in
7
The stems with hollow internodes are known as:
General Characteristics of Bryophytes
PYQ
a
Jointed stems
b
Cylindrical stems
c
Herbaceous stems
d
Fistular stems
Also appeared in
8
Two major products of light reaction of photosynthesis are:
Light Reaction of Photosynthesis
PYQ
a
ATP & CoA
b
ATP & NADPH
c
ATP & FADH₂
d
ATP & NADH
Also appeared in
9
The compound acting as chromophore in the phytochrome is:
General Characteristics of Bryophytes
PYQ
a
Phytochromobilin
b
Phycocyanobilin
c
Phycoerythrobilin
d
Phytophagobilin
Also appeared in
10
In mitochondrial electron transport chain, the oxidation of complex III and reduction of complex IV is mediated by:
Electron Transport Chain and Oxidative Phosphorylation
PYQ
a
Cytochrome a
b
Cytochrome b
c
Cytochrome c
d
Cytochrome d
Also appeared in
11
The culminating stage of plant succession in a given ecosystem is:
Principles of Plant Pathology
PYQ
a
Climate
b
Climax
c
Cleaves
d
Connectance
Also appeared in
12
Function of enzyme reverse transcriptase is:
General Characteristics of Bryophytes
PYQ
a
Synthesis of gDNA from mRNA
b
Synthesis of mRNA from DNA
c
Synthesis of tRNA from mRNA
d
Synthesis of cDNA from mRNA
Also appeared in
13
Diagnosis of a genetic condition before the appearance of symptoms is:
General Characteristics of Bryophytes
PYQ
a
Morphological diagnosis
b
Pre symptomatic diagnosis
c
Postsymptomatic diagnosis
d
Somatic diagnosis
Also appeared in
14
Fuels which have lower emissions than conventional gasoline and diesel are:
General Characteristics of Bryophytes
PYQ
a
Perceptible fuels
b
Soluble fuels
c
Dirty fuels
d
Clean fuels
Also appeared in
15
Meiosis in the capsule leads to the formation of one kind of spores thus making the bryophytes:
General Characteristics of Bryophytes
PYQ
a
Eusporous
b
Neosporous
c
Homosporous
d
Metasporous
Also appeared in
16
During synthesis, the spectral properties of chlorophyll are attained with the insertion of:
General Characteristics of Bryophytes
PYQ
a
Fe in the tetrapyrrole ring
b
Mg in the tetrapyrrole ring
c
Mn in the tetrapyrrole ring
d
Mo in the tetrapyrrole ring
Also appeared in
17
Set of conditions in which an organism completes its life cycle is:
Life Cycle of Chlamydomonas
PYQ
a
Niche
b
Venue
c
Hasit
d
Habitat
Also appeared in
18
The total quantity of living matter in a given area or ecosystem is:
General Characteristics of Bryophytes
PYQ
a
Biosphere
b
Ribotype
c
Biomass
d
Biogenesis
Also appeared in
19
Division of nucleus is termed as:
General Characteristics of Bryophytes
PYQ
a
Cytokinesis
b
Karyokinesis
c
Eukaryotic
d
Dikinesis
Also appeared in
20
A mutation occurring in any cell that is not destined to become a germ cell is:
General Characteristics of Bryophytes
PYQ
a
Point mutation
b
Somatic mutation
c
Zygotic mutation
d
Gametic mutation
Also appeared in
21
Change in the base sequence of a gene that alters or eliminates a protein is:
General Characteristics of Bryophytes
PYQ
a
Mis-sense mutation
b
Sense mutation
c
Allelic mutation
d
Target mutation
Also appeared in
22
Plants expressing foreign genes introduced by genetic engineering are:
Gene Regulation in Plants
PYQ
a
Transgons
b
Hybrids
c
Mutants
d
Transgenics
Also appeared in
23
Who discovered nucleus in living cell?
World Leaders in News
PYQ
a
Albert
b
Philips V. Leeuwenhoek
c
Robert Brown
d
Robert Hooke
Also appeared in
24
Plants growing on sand are called as:
Gene Regulation in Plants
PYQ
a
Chaemophytes
b
Oxyophytes
c
Lithophytes
d
Psammophytes
Also appeared in
25
Which of the following are Prokaryotes?
Gene Regulation in Plants
PYQ
a
Animals and archaea
b
Plants and animals
c
Archaea and bacteria
d
Bacteria and fungi
Also appeared in
26
What is the name of the process by which a Eukaryotic cell engulfs very large particles, or even entire foreign cells?
General Characteristics of Bryophytes
PYQ
a
Pinocytosis
b
Exocytosis
c
Endocytosis
d
Lymphocytosis
Also appeared in
27
Population density is the:
General Characteristics of Bryophytes
PYQ
a
Number of communities per ecosystem
b
Number of species per community
c
Number of individuals per species per unit area or volume
d
All of these
Also appeared in
28
Plants that flower only once in their lifetime are called:
Gene Regulation in Plants
PYQ
a
Erearpic
b
Holocarpic
c
Polycarpic
d
Monocarpic
Also appeared in
29
Which of the following is used to transfer genes to higher transgenic plants:
Gene Regulation in Plants
PYQ
a
Cosmic
b
Lambda-phage
c
Ti-plasmid
d
All of these
Also appeared in
30
Chromosomes reduce to half in Meiotic cell division at:
General Characteristics of Bryophytes
PYQ
a
Metaphase I
b
Anaphase I
c
Telophase II
d
None of these
Also appeared in
31
In a di-hybrid cross, the ratio in F₂ generation is:
General Characteristics of Bryophytes
PYQ
a
3:2
b
3:1
c
9:3:3:1
d
All of these
Also appeared in
32
Organic matter is completely absent in:
General Characteristics of Bryophytes
PYQ
a
Cast
b
Mold
c
Impression
d
All of these
Also appeared in
33
Chromosome with arm on one side only is:
General Characteristics of Bryophytes
PYQ
a
Acrocentric
b
Telocentric
c
Metacentric
d
Sub-metacentric
Also appeared in
34
Seedless vascular plants include:
Gene Regulation in Plants
PYQ
a
Anthophyta
b
Gnetophyta
c
Cycadophyta
d
Lycophyta
Also appeared in
35
Which of the following is correct:
General Characteristics of Bryophytes
PYQ
a
2n produces n
b
2n produces 2n
c
n produces n
d
n produces nothing
Also appeared in
36
Glycolysis means splitting of:
General Characteristics of Bryophytes
PYQ
a
Sucrose
b
Sugar
c
Glucose
d
Maltose
Also appeared in
37
All the following facts about camels make them adapt to long periods of drought in hot deserts, except:
National Parks of Pakistan
PYQ
a
Camels do not sweat until the external temperature rises to about 41°C, which is much higher than for most mammals
b
Camels can survive a loss of up to 40 percent of their body water, for most mammals this limit is 20 percent
c
The camel's thick fur insulates its body against high temperatures thereby reducing water loss
d
Camels can drink as much as 1/3 of their body weight in 10 minutes, which other mammals cannot
Also appeared in
38
Soil erosion is greater when:
General Characteristics of Bryophytes
PYQ
a
No rains occur
b
No winds occur
c
The rainfall is received in heavy downpour
d
rainfall is evenly distributed
Also appeared in
39
The theory of mutation was propounded by:
General Characteristics of Bryophytes
PYQ
a
Mendel
b
Hugo de Vries
c
Darwin
d
Lamarck
Also appeared in
40
Universal blood donor belongs to the blood group:
General Characteristics of Bryophytes
PYQ
a
A
b
B
c
AB
d
O
Also appeared in
41
Largest Angiosperm flower is:
General Characteristics of Bryophytes
PYQ
a
Magnoliophyta
b
Rafflesia arnoldii
c
Eucalyptus Microcanya
d
Sporophyta gigantes
Also appeared in
42
Bronze is an alloy of:
General Characteristics of Bryophytes
PYQ
a
Copper and Zinc
b
Tin and Zinc
c
Copper and Tin
d
Iron and Zinc
Also appeared in
43
The Police Department was first established by:
General Characteristics of Bryophytes
PYQ
a
Hazrat Abu Bakr (RA)
b
Hazrat Umar (RA)
c
Hazrat Usman (RA)
d
Hazrat Ali (A.S.)
Also appeared in
44
Bir e-Roma was:
General Characteristics of Bryophytes
PYQ
a
A mosque in Rome
b
A famous film in Madina
c
A sweet drinking water well
d
None of these
Also appeared in
45
The Battle of Siffin was fought in 37 A.H. between Hazrat Ali (A.S.) and:
General Characteristics of Bryophytes
PYQ
a
Kharijites
b
Hazrat Abdullah bin Zubair (RA)
c
Hazrat Abu Huraira (RA)
d
Hazrat Ameer Muawiyah (RA)
Also appeared in
46
Who wrote "Pakistan in Transition"?
World Leaders in News
PYQ
a
W.H. Wiggins
b
W. Stanley
c
R. Symond
d
P. Calvoorassi
Also appeared in
47
Give the name of the book entitled "My Indian years":
General Characteristics of Bryophytes
PYQ
a
Lord Hardinge
b
Sikandar Hayat Khan
c
El Hamza
d
G.F.J. Graham
Also appeared in
48
Who wrote "Pathway to Pakistan"?
World Leaders in News
PYQ
a
Abdul Latif
b
W.S. Bonnenji
c
Ch. Khaliquzzaman
d
I.H. Qureshi
Also appeared in
49
The book entitled "Muhammad Ali Jinnah" is written by:
General Characteristics of Bryophytes
PYQ
a
Khalid Bin Sayeed
b
M.H. Saiyid
c
S. Shamfuddin Pirzada
d
J.D. Raees
Also appeared in
50
Chashma is situated in:
In-situ and Ex-situ Conservation
PYQ
a
Kundian
b
Kailarkori
c
Daud Khel
d
Bhakkar
Also appeared in
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Topic Weightage
General Characteristics of Bryophytes
64%
Gene Regulation in Plants
12%
World Leaders in News
6%
General Characteristics of Pteridophytes
2%
General Characteristics of Gymnosperms
2%
Artificial, Natural, and Phylogenetic Classification Systems
2%
Light Reaction of Photosynthesis
2%
Electron Transport Chain and Oxidative Phosphorylation
2%
Principles of Plant Pathology
2%
Life Cycle of Chlamydomonas
2%
National Parks of Pakistan
2%
In-situ and Ex-situ Conservation
2%