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3501.

Question : Unicellular organisms are immortal, whereas multicellular organisms are not. Give reason.

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SOLUTION :Single celled (UNICELLULAR) ORGANISMS reproduce by cell DIVISION and FORM two individual organisms. There is no natural eath of them and hence they are considered as immortal organisms.
3502.

Question : Unfoliate leaves are found in

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Bignonia
Marsilea
Bombax
Citrus

Answer :D
3503.

Question : Unfertile female worker bees are known as...

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KING
QUEEN
DRONE
WORKERS

SOLUTION :Workers
3504.

Question : {:(,,underset((X//A))(List I),,underset((Sex))(List II)),(,(A),"0.5",(1),"Metafemale"),(,(B),"1.0",(2),"Metafemale"),(,(C),"1.5",(3),"Male"),(,(D),"0.33",(4),"intersex"),(,(E),"0.67",(5),"female"):}

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A=3,B=1,C=2,D=4,E=5
A=1,B=4,C=2,D=5,E=3
A=3,B=5,C=1,D=2,E=4
A=2,B=3,C=1,D=4,E=5

Answer :C
3505.

Question : Undirectional - Formation of rain wind Ground fire - Flag forms Surface fire - Flameless Crown fire - Forest canopy

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SOLUTION :CROWN FIRE - FOREST CANOPY
3506.

Question : Underground stem of ginger & turmeric is called as(A) Tuber(B) Rhizome(C) Corm(D) Bulb

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TUBER
RHIZOME
CORN
Bulb

Answer :B
3507.

Question : Underground rhizome is common mode of reproduction in :-

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Banana
Mint
Chrysenthamum
All of the above

Answer :A
3508.

Question : Underground runner are called _____

Answer»


ANSWER :SOBOLE
3509.

Question : Under which of the following conditions will there be no change in the reading frame of following mRNA ? "5'AACAGCGGUGCUAUU3'"

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Insertion of G at 5th position
Deletion of G from 5th position
Insertion of A at G at 4TH and 5th positions respectively
Deletion of GGU from 7TH, 8th and 9th positions

SOLUTION :Deletion of GGU from 7th, 8th and 9th positions
3510.

Question : Under which of the following conditions will there be no change in the reading frame of following mRNA?5' AACAGCGGUGCUAUU 3

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Deletion of G from 5TH compositions
Insertion of A and G at 4th and 5th POSITIONS respectively
Deletion of GGU from 7th, 8th and 9TH position
Insertion of G at 5th position

Answer :C
3511.

Question : Under which condition does a microbe gains resistance against antibiotic?

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Solution :Antibiotic resistance occurs when bacteria DEVELOP the ability to defeat the drug designed to kill or inhibit their growth. It is one of the most acute threat to public health. Antibiotic resistance is accelerated by the misuse and over use of antibiotics, as WELL as poor INFECTION prevention control. Antibiotics should be used only when prescribed by a certified health professional. When the bacteria BECOME resistant, antibiotics cannot fight against them and the bacteria multiply. NARROW spectrum antibiotics are preferred over broad spectrum antibiotics. They effectively and accurately target specific pathogenic organisms and are less likely to cause resistance.
3512.

Question : Under which conditions does a bacterium develops resistance against antibiotics?

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Solution :Antibiotic resistance occurs when bacteria develop the ability to defeat the drug designed to kill or INHIBIT their growth . It is one of the most acute threat to pubilic health . Antibiotic resistance is accelerated by the misuse and over use of ANTIBIOTICS , as well as poor infection PREVENTION control . Antibiotics should be used only when PRESCRIBED by a certified health professional . When the bacteria become RESISTANT antibiotics cannot fight against them and the bacteria multiply . Narrow spectrum antibiotics are preferred over broad spectrum antibiotics. They effectively and accurately target specific pathogenic organisms and are less likely to cause resistance.
3513.

Question : Under what conditions would a particular stage in the process of succession revert back to an earlier stage ?

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Solution :NATURAL disasters like flood, fire or any other natural calamity and HUMAN SCIENCE processes generally lead TOWARDS SUCCESSION condition respectively.
3514.

Question : Under what conditions would a particular stage in the process of succession revert back to an earlier stage?

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Solution :Natural or HUMAN INDUCED disturbances like FIRE, deforestation ETC.
3515.

Question :Under what circumstances it is possible for a father and a son to suffer from haemophilia?

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SOLUTION : If their MOTHERS are CARRIERS for DISEASE HAEMOPHILIA.
3516.

Question : Under unfavourable conditions many zooplankton species in lakes and ponds enter a stage of suspended development called:

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Dormancy
Hibernation
Diapause
Menopause

Solution :Diapause is a period during which growth or development issuspended and PHYSIOLOGICAL ACTIVITY is diminished, as in CERTAIN insects in response to ADVERSE environmental conditions.
3517.

Question : Under unfavourable conditions many zooplankon species in lakes and ponds are known to enter a stage of suspended development Name that stage.

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SOLUTION :DIAPAUSE
3518.

Question : Under unfavourable condition many zooplnkton species in lakes and ponds enter

Answer»

SOLUTION :DIAPAUSE
3519.

Question : Under unfavourable conditions, many species of zooplankatons which lives in small water bodies are known to enter .........

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Diapause
Metapause 
Neopause 
MENOPAUSE 

ANSWER :A
3520.

Question : Under threat or attack, garden lizard loses a part of its tail which trembles and avert the attention of predators, so that the lizard escape later the tail regrown for lizard. The same phenomenon can also be noticed in organisms like starfish etc. What do you call this phenomenon? Define it.

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SOLUTION :REGENERATION is the REGROWTH in the INJURED REGION.
3521.

Question : Under JFM, who has the ownership of the land ?

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A. Village committees
B. Government
C. Gram panchayats
D. PRIVATE players 

ANSWER :B
3522.

Question : Under certain conditions soil nutrients get tied up with the biomass of microbes and becomes temporarily unavailable to other organism such incorporation of nutrients is called –

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NUTRIENT immobilisation
Acclimatisation
Mineralisation
Leaching

Answer :A
3523.

Question : Under a suitable condition, OP will be less than DPD when:

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OP is GREATER than TP
OP is equal to TP
OP is less than TP
TP is negative

Answer :D
3524.

Question : Uncoordinated movements of the 'eye ball is because of an injury to which cranial nerve

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III
V
VII
VIII

Answer :A
3525.

Question : Undecomposed organic matter of soil.

Answer»


ANSWER :LITTER
3526.

Question : Umbilical cord in which umbilical artery and umbilical veins are present. They contain –

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100 % FOETAL blood
50 % foetal and 50 % MOTHER's blood
100 % mother's blood
75 % foetal and 25 % mother's blood

Answer :A
3527.

Question : UN conference on Sustainable development in 2012 was held at...........

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Ruanda
RIO DE JANEIRO
Geneva
Stockholm

Solution :Rio de Janeiro
3528.

Question : Ultrastructure of Nephron .

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SOLUTION :
3529.

Question : Ultrastructure of cell is observed by

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SIMPLE microscope
light microscope
phase CONTRAST microscope
electron microscope

Answer :D
3530.

Question : Ultrastructure of mitochondrion.

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SOLUTION :
3531.

Question : Ultrastructure of chloroplast

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SOLUTION :
3532.

Question : Ultra-violet radiation from sunlight causes a reaction that produces

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Fluorides
Carbon monoxide
Sulphur dioxide
Ozone

Answer :D
3533.

Question : Ultrasound of how much frequency is beamed into human body for sonography ?

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15-30 MHz
1-15 MHz
45-70 MHz
30-45 MHz

Answer :B
3534.

Question : Ultimate source of variations in a population for evolution :

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GENETIC drift
Gene migration
Genetic recombination
Mutations

Answer :D
3535.

Question : Ultra-violet light causes

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FORMATION of pyrimidines
STICKY metaphases
Photodynamic action
Destruction of HYDROGEN BONDS between complementary DNA strands

Answer :C
3536.

Question : Ulothrix filaments produce

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ISOGAMETES
anisogametes
heterogametes
basidiospores

Solution :(a) Ulothrix belongs to green algae. Sexual REPRODUCTION in Ulothrix takes place by the union of isogametes which are motile, biflagellate, morphologically similar gametes. Approximately 8-32 isogametes are PRODUCED from a MOTHER cell. Two gametes come from two DIFFERENT filament, fuse and form a diploid zygote.
3537.

Question : Ultimate source of hydrogen atoms for the synthesis of glucose is

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`H_2O`
NAPH
FADH
`N(CH_(2)O)`

ANSWER :A
3538.

Question : Ulothrix can be described as a

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non-motile colonial alga lacking zoospores
filamentous alga lacking flagellatted reproductive stages
membranous alga producing zoospores
filamentous alga with flagellated reproductive stages

Solution :(d) Ulothrix is a freshwater, filamentous green ALGAE, found in rather cold flowing WATER, Sexual reproduction in Ulothrix is isogamous type, i.e. it takes place between two MORPHOLOGICAL similar motile, flagellated male and female GAMETES which come from different FILAMENTS.
3539.

Question : Ubisch bodies are connected with the development of

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sporogenous tissue
tapetumjust below endothecium
endothecium
exothecium

Answer :B
3540.

Question : UAA , UAC and UGAare:

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STARTING codons
Non-overlapping codons
Non-sense codons
Degenerate codons

Answer :C
3541.

Question : Typical vertebra of Human is:

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Acoelous
Procoelous
AMPHI coelous
Amphi platyan

Answer :B
3542.

Question : Typical vertebra of Human is :-

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Acoelous
Procoelous
Amphi coelous
Amphi platyan

Answer :D
3543.

Question : Typical angiosperm embryo sac is 7 celled and 8 nucleate. This condition occurs due to the development of megaspore mother cell. a) How many meiotic and mitotic divison takes place? b)What you mean by monosporic development?

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Solution :a) Single meiotic DIVISION and 3 MITOTIC division.
B) Single FUNCTIONAL megaspore develops into mature embryo sac.
3544.

Question : Typhoid is caused by the attack of salmonella typhi. a. Is this a virus or bacteria? b. Which part of the body is affected by this disease? c. Name the test used for the diagnosis. d. Who is Typhoid Mary?

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Solution :a. Bacteria
b. Alimentary CANAL
c. Widal test
d. MARY Mallon is NICKNAMED as TYPHOID Mary. She was a cook and was a typhoid carrier. She continued to spread typhoid for SEVERAL years through the food she prepared.
3545.

Question : Typhoid is caused by :

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Giardia
Salmonella
Shigella
Escherichia

Answer :B
3546.

Question : Types of pollination in Commelina is

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Chasmogamy
Geitonogamy
Xenogamy
Cleistogamy

Answer :D
3547.

Question : Types of asexual reproduction found in Hydra is ….

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GEMMULE formation
Budding
Sporulation
Multiple fission

Answer :B
3548.

Question : Type of oxidation in respiration is by

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ADDITION of hydrogen to glucose
Removal of only PROTONS from glucose
Removal of only ELECTRONS from glucose
Removal of hydrogen from glucose

Answer :D
3549.

Question : Type of RNA polymerase requried in nucleus for RNA synthesis in enkaryotes:

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1
2
3
4

Answer :C
3550.

Question :Type of pollination in Commelina is

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CHASMOGAMY
GEITONOGAMY
Xenogamy
Cleistogamy

Answer :D