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17951.

Question : Diagram shown below is a surgical method used for female sterilization. a. What is the method shown in diagram ? b. Mention any two intra uterine devicesd to prevent conception. c. What is the surgical method of male sterilization called ?

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SOLUTION :a. Tubectomy
B. Cu-T, Cu-7, LOOP, hormone producing progesterone, LNG-20 etc.
c. VASECTOMY
17952.

Question : Diagram of a typical biogas plant is given below. Identify B,C and D:

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A-Dung , WATER, B-Digester, C-Sludge, D-Gas HOLDER
A-Digester, B-Dung-water,C-Sludge , D-Gas holder
A-Drug, Water , B-Sludge , C-Digester , D-Gas holder
A-Gas holder, B-Dung, Water,C-Digester , D-Sludge

Answer :A
17953.

Question : Diagram of a human blastocyst is given below. Identify A & B.

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SOLUTION :TROPHOBLAST
INNER CELL MASS
17954.

Question : Diagram of a double stranded polynucleotide chain is shown below. What do the numbers I, II, III and IV indicate?

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Solution :I - PHOSPHORUS II - PENTOSE SUGAR III - ThymineIV - Cytosine
17955.

Question : Diagram of a double stranded polynucleotide chain is given below What do the number I,II,III,IV indi

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<P>

Solution :Phosphate (P)
PENTOSE sugar (Deoxy RIBOSE)
Thymine (T)
CYTOSINE
17956.

Question : Diagram is showing skeletal structure of :-

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Morphine
Opioid
Cannabinoid
Amphetamines

Answer :C
17957.

Question : Diadelphous (9 +1) stamens occur in

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Gramineae
Cucurbitaceae
Papilionatae
Malvaceae

Answer :C
17958.

Question : DHU loop in tRNA is referred as

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Aminocyl SYNTHESIS BINDING loop
Ribosomal binding loop
Anticodon loop
Both (2) and (3)

ANSWER :A
17959.

Question : Dhatura is a classical example of a

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Trisomic
Monosomic
Triploid
Monoploid

Answer :A
17960.

Question : Dharwar American Veriety of cotton is the prodcuct of

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MASS SELECTION
MUTUAL BREEDING
CLONAL selection
Parasexualhybridization

Solution :Parasexualhybridization
17961.

Question : Deworming is done with the substance mixed with the poultry feed

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`CCI_(4)` and pipezine
terramycin
sodium methazine
NONE of the above

ANSWER :A
17962.

Question : Deviraj is a hybrid variety of _______

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Rice
wheat
cotton
sugarcane

Answer :C
17963.

Question : Development stages of female gametophyte from functional megaspore.

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SOLUTION :
17964.

Question : Devine and Collego are:

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BIOINSECTICIDES
Biofungicides
BIOHERBICIDES
Single cell protein

SOLUTION :DIVINE and Collego are fungal spore PRODUCTS which are used to control the growth of weeds in the fields.
17965.

Question : Development of zygote which takes place outside the body is called

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VIVIPAROUS
OVIPAROUS
Oviviparous
NONE of these

ANSWER :B
17966.

Question : Development of zygote results in formation of ……….

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SEED
FRUIT
embryo
seed COAT

ANSWER :C
17967.

Question : Development of sporophyte without gametic fusion is known as(A) apomixis(B) apospory(C) apogamy(D) parthenogenesis

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apomixis
apospory
apogamy
parthenogenesis

Answer :C
17968.

Question : What term is used for the development of sporophyte from any cell of gametophyte (withoutfertilization)?

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ANSWER :APOGAMY
17969.

Question : Development of secondary sexual characters in male is controlled by which hormone ?

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ANSWER :TESTOSTERONE
17970.

Question : Development of new individual from female gamete without fertillisation is termed as

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syngamy
embryogenesis
oogamy
parthenogenesis.

Answer :D
17971.

Question : Development of male gametophyte is :-

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Invivo
lnsitu
Both
In-vitro

Answer :3
17972.

Question : Development of sporophyte from gametophytes is called___________

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ANSWER :APOSPORY
17973.

Question :Development of haploid plants from totipotent pollen is called :

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ANDROGENESIS
PARTHENOCARPY
EMASCULATION
SOMATIC hybridization

Answer :A
17974.

Question : What term is used for the development of gametophyte from any cell of sporophyte (withoutreduction division)?

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ANSWER :APOSPORY
17975.

Question : Development of fruit without fertilization is

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PARTHENOCARPY
sporogamy
AUTOGAMY

ANSWER :A
17976.

Question : Development of fruit without fertilization is called:

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CELL DIVISION
cellculture
Parthenocarpy
None of the above

Answer :C
17977.

Question : Development of fruit without fertilization and, which are seedless is known asPolyembryonyApomixisParthenocarpyParthenogenesis

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Polyembryono
Apomixix
Parthenocarpy
Parthenogenesis

Answer :C
17978.

Question : State the condition when fruit develops without fertilization.

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ANSWER :PARTHENOCARPHY
17979.

Question : Development of floral receptacle into a leafy shoot is called_____growth

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ANSWER :MONSTROUS
17980.

Question : Name the process of embryo sac formation from cell of nucellus, without undergoing meiosis.

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Apogamy
Apospory
Parthenogenesis
Sporogenesis

Answer :B
17981.

Question : Development of embryo in angiosperm is

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haloblastic
meroblastic
eusporangiate
leptosporangiate

Answer :B
17982.

Question : Insectical use has been reduced in BT crops. Why?

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Solution :Because some strains of Bacillus thuringiensis produce proteins that kill certain insects such as lepidopterans (tobacco budworm, armyworm), colopterans (beetles) and dipterans (Flies, Mosquitoes) `ul(B).ul("thuringienisis")` FORMS PROTEIN crystal during a particular plane of their GROWTH. These crystals contains a toxic INSECTICIDAL protein. These proteins are present in inactive protoxin form, but become active toxin in the alkaline pH of insect gut. The activated toxin binds to the surface of MIDGUT epithelial cells and create pores that -cause cell swelling and lysis and eventually cause death. Genes were isolated from B.Thuringiensis and genetically transferred to several plants such as cotton, thereby reducing the usage of insecticides.
17983.

Question : ………developed first vaccine for small pox.

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ANSWER :EDWARD JENNER
17984.

Question : Detrivores are

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DETRITUS EATING vertebrates
detritus eating fungus
detritus DECOMPOSING bacteria
detritus eating invertebrates

Answer :D
17985.

Question : Deuteromycetes are called imperfect fungi due to

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LACK of cell wall
lack of SEXUAL REPRODUCTION
lack of asexual reproduction
none of these

Answer :B
17986.

Question : detrusor muscles are present mainly in

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coat of KIDNEY
muscular coat of urinary bladder
renal fascia of kidney
CORTEX of kidney

ANSWER :B
17987.

Question : Detritus is the

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dead REMAINS of PLANTS only
dead remains of plants and animals
excretory PRODUCTS of animals
both B and c

Answer :D
17988.

Question : Detritus contribute to the biogeochemical cycles, how?

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Solution :By the decomposition of DETRITUS, the SIMPLE minerals are RELEASED into the atmosphere and from there it COMES back to the EARTH.
17989.

Question : Detritus food chain begins with

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DEAD ORGANIC MATTER
Fungi 
Bacteria 
PLANT 

Solution :Dead Organic matter
17990.

Question : Detritus food chain starts from :

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Algae
Bacteria
protozoa
Virus

Answer :B
17991.

Question : Detritus contains

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DEAD PLANT remains 
Dead animal remains 
Fecal MATTER 
All of these 

SOLUTION :All of these
17992.

Question : Define cloning. Name the first organism developed by cloning

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Solution :Cloning is the process of producing genetically identical individuals of an organisms EITHER naturally or artificially. The first CLONED ORGANISM is a sheep named Dolly.
17993.

Question : Determine the stage at which the following structure is visible :-

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Prophase
Anaphase
Transition to metaphase
Metaphase

Answer :C
17994.

Question : Determination of oxygen carried by haemoglobin is done by:

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pH
Partial PRESSURE of oxygen
Partial pressure of `CO_2`
All of the_above

Answer :B
17995.

Question : Determine the correct statement from the given option with respect to an electrostatic precipitator .

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the velocity of air is very fast so that a large volume of air can be purified at a TIME .
the ELECTRODE wires maintained at several thousand volts produces a corona which releases positively charged particles.
air is passed through a spray of WATER and LIME .
Collecting plates are grounded and collect negative charged dust particles .

Answer :D
17996.

Question : Determination of age of plants by calculating annual rings

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ANSWER :DENDROCHRONOLOGY
17997.

Question : Determination of hereditary characters by the DNA is due to the arrangements of its _____.

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ANSWER :`N_2` BASES
17998.

Question : Destruction of forestleadsto theincreases of CO_2in atmosphere RecentlyGovt .of indiaindiainsttituatedanawardfor individualsor communitiesfrom ruralareas that shownextraordinarycourageand dedica-tionin protectingwildlife a) identifythe award b) commenton deforestationand reforestation.

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SOLUTION :a) AMRITA DEVI Bishnoiaward
DEFORESTATION :-CUTTING downof foresttreesreforestation :-replantingtreeswhich arealreadydestroyed .
17999.

Question : Destruction of the anterior horn cells of the spinal cord would result in loss of :

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INTEGRATING impulses
Sensory impulses
Voluntary MOTOR IMPULSE
Commissural impulses

Answer :C
18000.

Question : Destruction of forestleads to the increase of CO_(2)in atmosphere . Recently Govt. of India instituted and award for individuals orcommunitiesfrom rural areasthat haveshown extraordinary courageand dedicationin protectingwildlife. a. Identify the award. b. Comment on deforestationand reforestation.

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Solution :a. AMRITA Devi BISHNOI WildlifeProtection Award.
b. Deforestationis the conversion of forested areas to non - forested ONES .
It causes loss of biodiversity .
Reforestationis a PROCESS of restoringforestthat onceexisted butwas removed at somepoint of TIME in thepast. It can occur naturally or byartifical means .