Ergotamine tartarate extracted from Claviceps, is used for cure of
43%
a) bodyache
14%
b) headache
29%
c) fever
14%
d) severe stomach pain
Q.2.
Clamp connection is found in
0%
a) Basidiomycetes
29%
b) Ascomycetes
29%
c) Saccharomycetes
43%
d) Haplomycetes
Q.3.
The metachromatic granules are
0%
a) present in plants cell at metaphase stage
20%
b) inclusion bodies in bacteria
40%
c) produced in insects during metamorphosis
40%
d) chromatophores in animals skin
Q.4.
Spirochaetes is/are
0%
a) a class of viruses
17%
b) myxobacteria
83%
c) spiral-shaped bacteria
0%
d) richittsias
Q.5.
The common characteristic showing by mushroom smut and rust
40%
a) is characterised by presence of basidiocarps
0%
b) is characterised by presence of ascocarps
20%
c) all are pathogen
40%
d) all are saprophytic in nature
Q.6.
Which of the following is a ‘cyanophage”?
0%
a) S-13
40%
b) φ×174
20%
c) SV-40
40%
d) LPP-1
Q.7.
Which one of the following shows heterothallism?
20%
a) Rhizopus
20%
b) Bacterium
20%
c) Cycas
40%
d) Ricinus
Q.8.
Dikaryotisation (n+n) in Agaricus is brought about be
20%
a) Clamp connections
40%
b) Somatogamay between two hyphae of different strains
40%
c) Both (a) and (b) are correct
0%
d) Basidiospores
Q.9.
A bacterium divides every 35 minute./ Ifa culture containing 105 cells/mL is grown for 175 minutes, what will be the cell concentration after175 minutes?
40%
a) 5 × 105 cells
20%
b) 35 × 105 cells
40%
c) 32 × 105 cells
0%
d) 4.175 × 105 cells
Q.10.
Read the following statements regarding archaebacteria i. Their cell wall lacks peptidoglycan ii. They contain membrane bound organelles iii. These have distinct ribosomal RNA sequence iv. Lipid in cell membrane of archaebacteria have different structure than those in all other organisms Choose correct option
0%
a) Statement i and ii is not correct
60%
b) Only Statement ii is not correct
40%
c) Statement Only iv is not correct
0%
d) Statement iii and iv is not correct
Q.11.
The given below figure shows a generalized life cycle of fungus. Identify A, B, C from the given option
0%
a) A = Meiosis , B = Fertilisation , C = Meiosis
50%
b) A = Meiosis , B = Mitosis , C = Fertilisation
25%
c) A = Mitosis , B = Meiosis, C = Fertilisation
25%
d) A = Mitosis, B = Fertilisation , C = Meiosis
Q.12.
Refer to the following figures
Column I
Column II
Column III
A
Paramecium
I kinetoplast
B
Euglena
II. Trichocysts
C
Trypanosoma
III. Astaxanthin;
20%
a) A- 3 –II , B- 1-III, C – 2-I
20%
b) A- 1 –II , B- 3-I, C – 2- I
40%
c) A- 2 –III , B- 1-II, C – 3- I
20%
d) A- 3 –I , B- 1-II, C – 1-III
Q.13.
Identify the labeled part in the given figure and select the correct option
20%
a) A – Heterocyst B-Mucilaginous sheath
40%
b) A – Mucilaginous sheath B – Heterocyst
40%
c) A – Heterocyst B- Capsid
0%
d) A – Pesudopodia B – Mucliaginous sheath
Q.14.
The genetic material in tobacco mosaic virus is
20%
a) ss DNA
20%
b) ss RNA
60%
c) ds RNA
0%
d) ds DNA
Q.15.
Deuteromycetes are known as fungi imperfecti because
0%
a) their zygote undergoes meroblastic and holoblastic cleavage
40%
b) only asexual stages are known
20%
c) they have aseptate mycelium
40%
d) they are autotrophic
Q.16.
Which of the following is correct
20%
a) All fungi are filamentous
40%
b) Transfer of DNA from one bacteria to another bacteria can not take place
0%
c) Virus cannot have both DNA and RNA
40%
d) Protists reproduce asexually
Q.17.
By all of the following ways bacteria become resistant to antibiotic except
50%
a) making enzymes that inactivate the drug
0%
b) becoming impermeable to the drug
25%
c) modifying the target of the drug
25%
d) moving away from the drug
Q.18.
The outermost limiting layer of mycoplasma is made up of
0%
a) cell wall
50%
b) cell membrane
0%
c) mucilaginous sheath
50%
d) slime layer
Q.19.
The growth curve of bacterial population in lab is plotted against time. What will be the shape of graph?
0%
a) Sigmoid
50%
b) Hyperbolic
25%
c) Ascending straight line
25%
d) Descending straight line
Q.20.
Thermococcus, Methanococcus and Methanobacterium exemplify
25%
a) bacteria whose DNA is relaxed orpositively supercoiled but which have a cytoskeleton as well as mitochondria
0%
b) bacteria that contain a cytoskeleton and ribosomes
75%
c) archaebacteria that contains protein homologous to eukaryotic core histones
0%
d) archaebacteria that lack any histones resembling those found in eukaryotes but whose DNA is negatively supercoiled
Q.21.
Which one of the following pairs is not correctly matched
25%
a) Streptomyces - Antibiotics
0%
b) Serratia – Drug addiction
50%
c) Spirulina – Single cell protein
25%
d) Rhizobium – Biofertilizer
Q.22.
Which of the following is correct match?
0%
a) Disease : Wilt disease; Pathogen : Synchytrium
50%
b) Disease : Citrus canker ; Pathogen : Xanthomonas
50%
c) Red rot of sugarcane ; Pathogen : Ustilago
0%
d) Powdery mildew ; Pathogen : Fusarium
Q.23.
Among rust, smut and mushroom all the three
50%
a) are pathogens
0%
b) are saprobes
25%
c) bear ascocarps
25%
d) bear basidicarps
Q.24.
In prokaryotes, chromatophores are
0%
a) specialized granules responsible for colouration of cells
0%
b) structure responsible for organizing the shape of the organism
100%
c) inclusion bodies lying free inside the cells for carrying out various metabolic activities
0%
d) internal membrane systems that may become extensive and complex in photosynthetic bacteria
Q.25.
Myxomycetes are
20%
a) Saprobes or parasites, having mycelia, asexual reproduction by fragmentation, sexual reproduction by fusion of gametes
40%
b) Slimy mass of multinucleate protoplasm, having pseudopodia –like structures for engulfing food, reproduction through fragmentation or zoospores
30%
c) prokaryotic organisms, cellular or acellular, saprobes or autotrophic, reproduce by binary fission
10%
d) eukaryotic, single-celled or filamentous, saprobes or autotrophic, asexual reproduction by fusion of two cells or their nuclei
Q.26.
Which one of the following pairs is correctly matched?
0%
a) Rhizobium – Parasite in the roots of leguminous plants
0%
b) Mycorrhizae – Mineral uptake from soil
50%
c) Yeast – Production of biogas
50%
d) Myxomycetes – The disease ring worm
Q.27.
Which of the following structure helps in the respiration o lichens?
0%
a) Soredia
0%
b) Isidia
50%
c) Cyphella
50%
d) Cephalodia
Q.28.
The protists have
0%
a) only free nucleic acid
0%
b) membrane bound nucleoproteins lying embedded in the cytoplasm
50%
c) nucleoprotein in direct contact with rest of the cell substance
50%
d) none of these
Q.29.
Select the option that correctly identifies the different genera (A, B, C and D) of Kingdom Fungi shows in figure
50%
a) A – Mucor , B – Saccharomyces , C –Morchella, D – Amanita
0%
b) A – Mucor , B – Saccharomyces , C – Penicillium D- Agaricus
50%
c) A - Rhizopus , B - Saccharomyces ,C – Aspergillus, D –Morchella