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19401.

Question : Coconut milk ( coconut water ) is widely used in tissue culture because it contains

Answer»

auxins
ethylene
cytokinin
gibberellin

19402.

Question : Coconut has

Answer»

CENTRAL LIQUID nuclear multinucleated endosperm
helobial endosperm
both (1) and (2)
albuminous endosperm

ANSWER :A
19403.

Question : Cockroach nymph undergoes ______no.of moultings

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10 
13 
12 
8 

ANSWER :B
19404.

Question : Cockroach lacks respiratory pigment. How is oxygen transport possible in it ?

Answer»

SOLUTION :The BODY FLUID in the tracheocles exchanges dissolved oxygen and CARBON dioxide with the CELL.
19405.

Question : Cockroach has following pair of legs

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3
2
4
more than 4

Answer :D
19406.

Question :Cockroach exercles.. . as the nitrogenous waste from the body.

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uren
ammonia
URIC acid
creatinine

ANSWER :C
19407.

Question : CoA :

Answer»


ANSWER :COENZYME -A.
19408.

Question : CO_(2)is transported through blood to lungs as

Answer»

as DISSOLVED in BLOOD plasma
as carbonic acid
as CARBAMINO haemoglobin
as carbamino haemoglobin and carbonic acid

Solution :as carbamino haemoglobin and carbonic acid
19409.

Question : CO_(2)is transported in bloodmostly by means of :

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PLASMA
Bicarbonate ion
Carbonminohaemoglobin
NONE of these

Answer :B
19410.

Question : CO_(2) inhibits ............. .

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Transpiration
Photorespiration
Both a and B
Respiration

Answer :A::B::C::D
19411.

Question : CO_(2) is transported by haemoglobin as

Answer»

carboxyhaemoglobin
carbaminohaemoglobin
CARBONIC acid
haemoglobin BICARBONATES

19412.

Question : CO_(2) is mainly transported as:

Answer»

SODIUM bicarbonate
carbonic ACID in PLASMA
CARBAMINOHAEMOGLOBIN
CARBOXYHAEMOGLOBIN

19413.

Question : CO_2+H_2Orightarrow H_2CO_3 rightarrow HCO_3^- +H+ These all the reactions that takes place in accordance with respiration. BrWhich is the enzyme present here?

Answer»


ANSWER :A::B::C::D
19414.

Question : CO_2+H_2Orightarrow H_2CO_3 rightarrow HCO_3^- +H+ These all the reactions that takes place in accordance with respiration. Br Where these reactions takes place?

Answer»


ANSWER :B::D
19415.

Question : CO_(2) dissociates from carbamino haemoglobin when

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`PCO_(2)` is HIGH and `PO_(2)` is LOW
`PO_(2)` is high and `PCO_(2)` is low
`PCO_(2)` and `PO_(2)` are equal
none of the above.

Solution :High `PO_(2)` and low `PCO_(2)`in the lung BLOOD CAPILLARIES favours separations of `CO_(2)` from carbominohaemoglobin.
19416.

Question : Co-transport and counter transport differ each other. Justify.

Answer»

Solution :In Co-TRANSPORT, TWO MOLECULES are transported togetherin same DIRECTION whereas, in counter transport two molecules are transportedin OPPOSITE direction to each other.
19417.

Question : Co-enzyme can function in association with an apoenzyme.

Answer»

Solution :COENZYME cannot FUNCTION independently but functions with apoenzyme as it ACCEPTS the group of SUBSTRATE removed by apoenzyme.
19418.

Question : Cnidoblasts in a coelenterate help in

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ANCHORAGE
DEFENSE
PREY CAPTURE
all of these

ANSWER :D
19419.

Question : Cnidoblasts are found in

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freshwater polyp and WATER flea
sea STAR and sea CUCUMBER
sea pen and sea fan
sea ANEMONE and sea walnut

Answer :C
19420.

Question : Closure of stomato can be induced by ............

Answer»

Abscissic ACID
Ethylene
NAA
Cytokinin

SOLUTION :Abscissic acid
19421.

Question : Closure of stomata due to water stress is brought about by

Answer»

Auxin
Ethylene
Abscisic acid
Cytokinin

Answer :C
19422.

Question : Closed type of circulation is advanced.

Answer»

Solution :Closed type of CIRCULATION is found in higher ORGANISMS like prochordates and vertebrates. The invertebrates have open type of circulation except annelids. The closed type of circulation is advanced because blood flows in blood VESSELS. There is a CLEAR separation of oxygenated and DEOXYGENATED blood.
19423.

Question : Closed vascular bundles lack

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Cambium
Xylem
Pholem
Parenchyma

Answer :A
19424.

Question : Closed circulatory system present in

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Locusta
Saccoglossus
Nereis
Ascaris

Answer :C
19425.

Question : Closed circulatory system and Open circulatory system

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SOLUTION :
19426.

Question : Closed and enteronephric nephridia are located in

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1, 2, 3 
3, 4, 5 
4, 5, 6 
14, 15, 16 

ANSWER :C
19427.

Question : Clones are morphologically and genetically (i) individuals. They are producedas a result of (ii) reproduction. The information in which alternative completes the given statements?

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`{:(i,i),("SIMILAR","SEXUAL"):}`
`{:(i,i),("similar","sexual/vegetative"):}`
`{:(i,i),("DISSIMILAR","sexual"):}`
`{:(i,i),("dissimilar","sexual"):}`

ANSWER :B
19428.

Question : Clonal deletion refers to

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SUPPRESSION of LYMPHOCYTE production
Elimination of B lymphocytes with receptors for foreign antigens
Elimination of lymphocytes with receptors for self antigens
Failure of immunological tolerance

Answer :C
19429.

Question : Clockwise coiling climbers are called ……………………………..

Answer»

hexos
DEXTROSE
ministrose
sinistrose

Solution :dextrose
19430.

Question : Cloaca of Rana receives

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ALIMENTARY CANAL
URINARY TRACT
reproductive tract
all of these

ANSWER :D
19431.

Question : Cloaca :

Answer»

Solution :Location : It is a small bag LIKE structure of LARGE intestine in frog. FUNCTION : It obtains faeces and reproductive CELLS and excretes them out of the BODY.
19432.

Question : Cloaca and pineal spicules are characteristics of

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TAPE worms
Earth worms
Ascaris
Female ROUND worms

Answer :C
19433.

Question : Clitellum :

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Solution :SEGMENTS 14 - 16 are COVERED by a prominent dark bond of GLANDULAR tissue called clitellum
19434.

Question :Clinical AIDS is characterized by infections like

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Malaria
Toxoplasmosis
HAY fever
Genital WARTS

ANSWER :B
19435.

Question : Climbers are also called as …………………………

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herbs
trees
vines
shrubs

Answer :C
19436.

Question : Climax community is in a state of

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non-equilibrium
equilibrium
disorder
constant change

Answer :B
19437.

Question :Cleistogamous flower is found in

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tobacco
viola
mirabills
none of these

ANSWER :B
19438.

Question : Cleidoic eggs are found in

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FISHES
AMPHIBIANS
REPTILES
none of these

ANSWER :C
19439.

Question : Cleavage is a unique form of miotic cell division in which

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there is no GROWTH of cells
the nucleus does not participate
no SPINDLE develops to GUIDE the cells
the plasma membranes of daughter cells do not separate

Answer :A
19440.

Question : Cleavage in cockroach is

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HOLOBLASTIC, SUPERFICIAL 
meroblastic, superficial 
discoidal meroblastic 
discoidal, holoblastic 

ANSWER :B
19441.

Question : Cleavagein chordates is

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RADIAL and DETERMINE
spiral and determine
radial and indeterminate
spiral and indeterminate

Answer :C
19442.

Question : Cleavage in arthropods is

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meroblastic and SUPERFICIAL
teloblastic and superficial
HOLOBLASTIC
meroblastic and discoidal

ANSWER :A
19443.

Question : Cleaning organelle in the cell-Explain.

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Solution :Lysosomes contains a variety of hydrolytic enzymes, which can digest the MATERIALS within the cell. Thus lysosomes ACT as cleaning ORGANELLE of the cell.
19444.

Question : Classify viruses based on nature of nucleic acid with example.

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Solution :on the basis of nature of nucleic acid VIRUSES are CLASSIFIED into four categories FULL staff they are viruses with ssDNA (PARVO viruses) , dsDNA (bacteriophages), ssDNA (TMV) and dsRNA (round TUMOUR virus).
19445.

Question : Classify translocationbased on direction.

Answer»

Solution :Phloem TRANSLOCATES theproductsof photosynthesis from leaves to the area of growth and STORAGE, in the following directions,
Downward direction : From leaves to stem and roots.
Upward direction :From leaves to developing buds, flowers, fruits for consumption and storage. Germination of seeds is also a good EXAMPLE of upward TRANSLOCATION.
RADIAL direction:From cells of pith to cortex and epidermis, the food materials are radially translocated.
19446.

Question : Classify vascular bundles on the basis of postion of protoxylum.

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SOLUTION :EXARCH : Protoxylem faces TOWARDS PERIPHERY.
Endarch : Protoxylem faces towards centre.
Mesarch : Protoxylem is present in the centre.
19447.

Question : Classify the subphylum Vertebrata.

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SOLUTION :
19448.

Question : Classify the terrestrial plants based on their adaptation.

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SOLUTION :MESOPHYTES, XEROPHYTES, PSAMMOPHYTES and lithophytes.
19449.

Question : Classify the organism below based on segmentation AscarisTaeniaFasciolaWuchereriaNeriesPheretima

Answer»

SOLUTION :
19450.

Question : Classify the followingplants into Long Day Plants (LDP), Short Day Plants (SDP) and Day Neutral Plants (DNP) Xanthium, Henbane (Hyoscyamus niger), Spinach, Rice, Strawberry, Bryophyllum, Sunflower, Tomato, Maize.

Answer»

SOLUTION :Xanthium - [SDP]
Henbane (Hyoscyamus niger] = [LDP]
Spinach - [LDP]
Rice - [SDP]
STRAWBERRY - [SDP]
Bryophyllum - [Long short DAY plants]
SUNFLOWER - [DNP]
Tomato - [DNP]
Maize - [DNP]