Biology Test from Dr Biswas and Biswas for AIPMT : 08 of 10

Which one of the following is considered as pioneer community in xerarch?
Annual herb
Perennial herb
Scrub stage
Forest stage
Lichen
Mercury pollution causes
Black foot disease
Itai-itai disease
Blue-baby syndrome
Minamata disease
Skeletal fluorosis
Which of the following is not properly matched?
Formaldehyde – Carcinogenic
Sulphur dioxide-Respiratory problems
Nitrogen oxide-Brown air
Photochemical smog - Grey air
/
Gaseous pollutants can be controlled
Arresters
Electrostatic precipitators
Pyrolysis
Incineration
Adsorption
It is estimated that out of the total global warming the relative contribution of CO2, CH4, CFCs and N20 are found respectively as
60%, 20%, 14% and 6%
6%, 14%,.20% and 60%
20%, 60%, 14% and 6%
20%, 14%, 60% and 6%
14%, 6%, 20% and 60%
/
a-III-2, b-I-4, c-IV-1, d-II-3
a-I-2, b-III-4, c-II-3, d-IV-1
a-IV-1 b-I-2, c-III-1, d-II-4
a-II-1, b-IV-3, c-I-2, d-III-4
a-III-4 b-II-1, c-IV-3, d-I-2
Which of the following promotes softening of fruits?
Polygalacturonase
Colchicine
Polyethylene glycol
Cellulase
Brazzein
Select the wrong statement
Pectinase and cellulase dissolve the cell wall
Some Cyanobacteria form symbiotic association with the fern Azolla
Regeneration of cell wall in somatic hybridisation is induced by PEG
Plants obtained through pollen culture are always haploids
Shoot regeneration in callus is promoted by cytokinin like BAP
/
® P 2 + 2 or 2 + 2 + 2, A6
® K 2 C2 or 2 + 2 + 2, A3
® K 2 C5 , A6 G8
® P 16 , A8
Carcinoma refers to
Malignant tumours of the connective tissue
Malignant tumours of the skin or mucous membrane
Malignant tumours of the colon
Benign tumours of the connective tissue
Which one of the following conditions though harmful in itself, is also potential saviour from a mosquito borne infectious disease?
Thalassaemia
Sickle cell anaemia
Pernicious anaemia
Leukaemia
ELISA is used to detect viruses where the key reagent is
Alkaline phosphatase
Catalase
DNA probe
RNase
One of these will be curable in two decades
TB
Cholera
Polio
Cancer
/
Achenes
Samaras
Berries
Mericarps
Unisexuality of flowers prevents
autogamy, but not geitonogamy
both geitonogamy and xenogamy
geitonogamy, but not xenogamy
autogamy and geitonogamy
Which one of the following pairs of codons is correctly matched with their function or the signal for the particular amino acid ?
GUU, GCU – Alanine
UAG, UGA – Stop
AUG,ACG - Start/Methionine
UUA, UCA – Leucine
Allium cepa is a member of
Apiaceae
Moraceae
Poaceae
Liliaceae
Solanaceae
CO2 acceptor in C3 cycle is
OAA
RUBP
PEP
malic acid
PEG
Pentose monophoshate shunt is more advantageous to Kreb’s cycle as
it yields more ATP
ribose sugar is released which helps in nucleic acid formation
it releases more oxygen
it utilizes less oxygen
Gametophyte of fern is known as
protonema
Germling
Prothallus
Capsule
Limnobiology is study of
marine life
fresh water ponds and lakes
snails and slugs
forest development
fish culture in pure water
Branch of Zoology that deals with food nutrition of animals is
trophology
Nidology
Tricology
Teratology
Plants growing in shady region are
sciophytes
Halophytes
Heliophytes
Pssamophytes
Independent assortment means
separation of characters of one parent
non-separation of characters of one parent
combination of parental characters
separation of parental characters
A testcross is done to find out
the genotype of an individual by examining the phenotypes of its offspring from a particular mating
the genotype of an individual for testing for its DNA content
Whether a mating is fertile
Whether two species can interbreed
One of the contrasting form of character is said to be
gene
Genotype
Alleles
all above
The segregation of the paired genes occur during
interphase between two meiotic divisions
metaphase of first meiotic division
anaphase of first Meiotic division
none above
1:1 ratio in Mendelian genetics is
monohybrid cross ratio
monohybrid backcross ratio
monohybrid test cross ratio
none above
The offspring of mating between two pure strains are called
Hybrids
Mutants
P generation
F2 generation
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Discussion

Rama Saw

Good morning sir, what is the correct answer of the q.no.10 of the test[08 of 10 of AIPMT]

2396 days 11 hours 8 minutes ago

Dr. SUBROTO BISWAS
Professor/SME/Instructor in Biology (NEET/AIIMS)
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