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19901.

Question : Cavity of the diencephalon is called_____.

Answer»


ANSWER :Diocoel/3rd VENTRICLE
19902.

Question : Cavity of scrotum is called ____.

Answer»


ANSWER :VAGINAL COELOM
19903.

Question : Cavities of cerebral hemispheres are known as_____.

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Parocoels
Iter
Rhinocoels
Optocoel

Answer :A
19904.

Question : Cave dwelling animals show

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BIOLUMINESCENCE and HIGH METABOLIC rate
More PIGMENTATION & high metabolic rate
No pigmentation & no metabolic rate
Less pigmentation & less metabolic rate

Answer :D
19905.

Question : Causes of water pollution.

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Solution :(1)The major sources of water pollution are domestic industrial,agricultural and shipping waters.(2)Domestic water pollution occurs due to waste water from homes,COMMERCIAL establishments,etc which is collected from the wide urban areas into the sewers.(3)Industrial water pollution is due to effluents which are released into the water bodies,mainly fresh water bodies,petrochemical COMPLEXES,ferilizer factories,oil refineries,paper and pulp factories,tectile mills,sugar mills,steel industries,tanneries,distilleries,coal washeries,synthetic material PLANTS for drugs,fibres and plastic,etc,release industrial effluents.(4)Agricultural waste water pollution includes human SEWAGE,oil and other wastes,oil pollution occurs throgh major oil spills and smaller spills,offshore oil drilling rings and cleaning operations of these oil slicks.(6)The air pollution can also settle down and cuase water pollution in indirect m,anner solid wasters deposited on land also contaminate water by seepage.
19906.

Question : Causes of Cancer is -

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Fast and uncontrolled CELL DIVISION by Meiosis
Stop the process which controls cell division in Mitosis
Over GROWTH of daughter cells in telophase and due to failure of cleavage furrows and non separation of cells
Unequal amount of DNA in daughter cells formed by Mitosis.

Answer :B
19907.

Question : Cause of 'Erythroblastosis foetlis' may be

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ADJOINING of RBC
Bleeding
Diapedesis
Haemophilia

Solution :NA
19908.

Question : Cause of mimicry is:

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concealment
offence
defence
BOTH (B) AND (C)

ANSWER :A
19909.

Question : Cauliflower mosaic virus has :

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SS RNA
ss DNA
ds DNA
ds RNA

Answer :C
19910.

Question : Cattle fed with spoilt hay of sweet clover which contains dicumarol

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are healthier DUE to good diet
catch INFECTIONS easily
may SUFFER vitamin -K DEFICIENCY and prolonged bleeding
may suffer from due to deficiency of vitamin -B

Answer :C
19911.

Question : Cattle fed with spoilt hay of sweet clover which contains dicumarol.

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Are healthier DUE to a diet
Catch INFECTIONS easily
May suffer vitamin K deficiency and prolobged bleeding
May suffer from beri due to deficiency of B vitamins.

Solution :A better understanding of the MODE of action of vitamin K is made possible by the use of an anti coagulant.One such naturally occurring antagonist of vitamnin K is KNOWN as Dicumarol.The discovery of the anti-Coagulating property of Dicumarol took place when it was established that consumption of improperly cured sweet clover hay caused cattle to develop the so-called "sweet clover disease"which is attributable to a SERIOUS alternation in the coagulability of the blood that,in turn often result in fatal haemorrhage.
19912.

Question : Cattle dung is commonly used for biogas production because (a) Cattle dung is a rich source of methanogens (b) It has large amount of cellulose as cattle are herbivores (c) It is easily available in large quantities in rural areas

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(a) & (B)
(a) & (C)
(b) & (c)
(a) (b) & (c)

ANSWER :B
19913.

Question : Categorize the soild waste and their sources.

Answer»

SOLUTION :
19914.

Question : Categorize the following under the heads of events of sexual reproduction (Embryogenesis, gametogenesis, syngamy, gamete transfer, zygote)

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Solution :Pre-fertilization - GAMETOGENESIS, GAMETE TRANSFER
Fertilization - SYNGAMY
Post-fertilization - Zygote, EMBRYOGENESIS.
19915.

Question : Categorise the following plants into hydrophytes, halophytes, mesophytes and xerophytes. Give reasons for your answers. (a) Salvinia (b) Opuntia (c) Rhizophora (d) Mangifera

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SOLUTION :• (a) Hydrophyte - salvinia
• (b) Xerophyte - opuntia
• (C) Halophyte - RHIZOPHORA
• (d) Mesophyte - mangifera
19916.

Question : Catalytic functions are controlled by elements like :

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Ca, Mg, K , Na
Cu, FE, Mg, MN, Mo
C, H, O, N, S, F
None of these

Answer :B
19917.

Question : Catastrophes destroyed the life from time to time and created new and special form of life after each destruction according to

Answer»

Saurez
Cuvier
Pasteur
Spallanzani

Answer :B
19918.

Question : Catalytic converters use expensive metals as catalysts. What precaution should be observed while using catalytic converter ?

Answer»

Solution :Motor vehicles equipped with CATALYTIC CONVERTERS should USE unleaded petrol as LEAD inactivates the catalysts.
19919.

Question : Catalytic converters use expensive metals as catalysts. Name the metals generally used.

Answer»

SOLUTION :CATALYSTS : PLATINUM - PALLADIUM and RHODIUM
19920.

Question : Catalytic converters may contain expensive metals like ………..as catalytic in automobiles

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Platinum
Palladium
Rhodium
All of these

Answer :D
19921.

Question : Catalytic converters are fitted into automobilesto reduceemissionof harmful gases. Catalytic converters change unburnt hydrocarbons into:

Answer»

CARBON DIOXIDE and water
carbon MONO oxide
methane
carbon dioxide and methane

Answer :A
19922.

Question : Catalytic converters are fitted into automobiles to reduce emission of harmful gases. Catalytic converters change unburnt hydrocarbons into :(A) carbon dioxide and water(B) carbon monoxide(C) methane(D) carbon dioxide and methane

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carbon dioxide and water
carbon monoxide
methane
carbon dioxide and methane

Solution :Catalytic converters are fitted into automobiles for reducing EMISSION of poisonous GASES.
Catalytic converters have expensive metals namely (i) platinum (ii) palladium and (iii) rhodium (iv) (Pt-Pd and RH) as catalysts.
As the exaust passes through the catalytic converter: (i) Unburnt hydrocarbons are converted into `CO_(2)` and `H_(2)O`. (ii) Carbon monoxide is changed to `CO_(2)`. (iii) Nitric oxide (NO) is changed to N gas.
Vehicles equipped with catalytic converters should use unleaded petrol because lead in the petrol inactivates the CATALYST.
19923.

Question : Catalytic action of a multienzyme complex, involving six different co-factors, is needed for the formation of

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Acetyl PHOSPHATE
Acetyl CO. A
Pyruvic acid
a-Ketoglutaric acid

ANSWER :B
19924.

Question : Catadromous migration is exhibited by

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PROTOPTERUS
ANGUILLA
HILSA
Moloch

Answer :B
19925.

Question : Cat-cry syndrome was discovered by

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Edward
Patau
Lejeune
Langdon down

Answer :C
19926.

Question : Castor Aruna is a mutant variety of castor developed for _____

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Pest RESISTANCE
high yield
Disease resistance
EARLY maturity

Answer :D
19927.

Question : Casparian thickenings are found in the cells of:

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PERICYCLE of the ROOT
ENDODERMIS of the root
Pericycle of the stem
Endodermis of the stem

Answer :B
19928.

Question : Casparian strips occur in

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cortex
pericycle
EPIDERMIS
endodermis

Solution :Casparian strips are found in endodermis of roots. It is a band of THICKENING which runs along the RADIAL and tangential walls of endodermal cells. It is made up of suberin and LIGNIN. Casparian strips prevent plasmolysis of endodermal cells.
Cortex is found below epiblema. It is made up of thin-wailed parenchymal cells. Epidermis is the outermost layer made up of thinwalled flattened and siightly ELONGATED parenchymal cells. Pericycle is found below endodermis and it is made of parenchymatous cells.
19929.

Question : Casparian strips are seen in

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DICOT root
MONOCOT stem
Monocot root
All except (2)

Answer :D
19930.

Question : Casein is a

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MILK fat
Milk protein
Milk lipid
Milk sugar

Answer :B
19931.

Question : Caruncle develops from

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funicle
nucellus
INTEGUMENT
embryo sac

Solution :integument
19932.

Question : Caryopsis type of fruit occurs in

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TRITICUM aestivum
Allium cepa
Trifolium
Solanum melongena

Answer :C
19933.

Question : Cartilage present in trachea larynx and bronchi is

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Fibrous
Elastic
Hyaline
Calcified

Answer :C
19934.

Question : Cartainspeciesofwasps are sen tofrequently visit flowering figtrees .Whattypeof interaction is seenbetweenthem and why ?

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SOLUTION :The INTERACTION ismutualsim .The femalewasp USES the FRUIT notonlyas an ovipositivsite but sueas the developingseedsfigoffter the WASP is tisdevelopingseeds .
19935.

Question : Cartilage is

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Non-vascular
Poorly vascular
Highly vascular
Irregularly vascular

Answer :A
19936.

Question : Carotid bodies are stimulated by

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`CO_2` CONCENTRATION in VENOUS BLOOD
`O_2`concentration in ARTERIAL blood
`CO_2`concentration in arterial blood
`O_2` concentration in venous blood

Answer :C
19937.

Question : Carl Corren's used ………….. For his experiment.

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4 O' CLOCK plant
Pea plant
Pisum sativum
Snapdragon

Answer :C::D
19938.

Question : Carefully read the following reactions carried out by nitrifying bacteria. Identify the statement about these equations which is not true 2NH_(3)+3O_(2)to2NO_(2)^(-)+2H^(+)+2H_(2)O(I) 2NO_(2)^(-)+O_(2) to 2NO_(3)^(+)(II)^(-)

Answer»

Step I is CARRIED out by Nitrosomonas or Nitrosococcus
Step II is carried out by Nitrobacter
Both the STEPS I and II can be CALLED nitrification
Both the steps OCCUR only in photoautotrops

Answer :D
19939.

Question : Carefully read the statements given below related to the steps in plant breding .choos the correct sequence .

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TESTING and commercialization of new variety
EVALUATION and selection of PARENTS
slecting and testing superior recombinants
CROSS hybridization among the slected parents .

Answer :A::B::C::D
19940.

Question : Cardiac notch is present in

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atria
cardiac stomach
left lung
right lung

Answer :C
19941.

Question : Cardiac glycosides are developed by milk weed/tobacco plant to defend from grazers.

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SOLUTION :MILK WEED
19942.

Question : Cardiac compression used to revive the heart beat is known as

Answer»

ARTIFICIAL ventilation
cardiopulmonary resuscitation
coronary angioplasty
artificial fibrillation

Answer :B
19943.

Question : Cardiac activity could be moderated by the autonomous neural system. Tick the correct answer.

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The parasympathetic system stimulates heart RATE and stroke volume.
The sympathetic system stimulates heart rate and stroke volume.
The parasympathetic system DECREASES the heart rate but INCREASE stroke volume
The sympathetic system decreases the heart rate but increase stroke volume.

Answer :B
19944.

Question : Carcinomas are

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MALIGNANT growth of cartilage
Benign growth of ADIPOSE tissue
Malignant growth of EPITHELIAL lining
Malignant growth of BONE marrow

Answer :C
19945.

Question : Carcinoma refers to

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MALIGNANT TUMOURS of the SKIN or mucous membrane
malignant tumours of the colon
BENIGN tumours of the connective TISSUE
malignant tumours of the connective tissue

Answer :A
19946.

Question : Carcinoma is a cancer of

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CONNECTIVE tissue
white BLOOD CELLS
lymphocytes
ectoderm and endoderm

Answer :D
19947.

Question : Carcinoma, Sarcoma and Lymphoma.

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SOLUTION :
19948.

Question : Carcinogen present in coal taris

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NITROSO dimethylen
3,4-Benzopyrene
2-Naphthylamine
4-amino BIPHENYL

ANSWER :B
19949.

Question : Carcinogen present in coal tar is

Answer»

Nitrosodimethylene
3,4-benzpyrene
2-naphthylamine
4-amino biphenyl

Answer :B
19950.

Question : Carbonic anhydrase is present in very high concentration in

Answer»

plasma
epithelial TISSUE
RBC
muscular tissue

Answer :C