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19101.

Question : Consider the following statements?(a) Before birth, foramen ovale allows the blood to pass from right atrium to left atrium , thus bypassing the pulmonary circulation, (b) Heart is protected by a double walled pericardium , (c) The muscle fibres present in heart are different from smooth muscles in being mesodermal in origin , (d) Nodal tissues like AVN, SAN are specialised neural tissues which are distributed in heart.How many among the statements mentioned above are correct?

Answer»

Two
Three
One
Four

Answer :A
Discussion
19102.

Question : Consider the following statements a) A component of the nucleotide sequence that makes up the prokaryotic promoter is CATT box b) A component of the nucleotide sequence that makes up the eukaryotic promoter is TATA box. Which of the statements given above is/are correct?

Answer»

a only
B only
Both a and b
NEITHER a nor b

ANSWER :B
Discussion
19103.

Question : Considerthe following statements :1. Brinjal is a goodsourceof iron.2. Pumpkin is good source of vitamin A. Which of the statements givenabove is/are correct ?

Answer»

1 only
2 only
Both 1 and2
Neither 1 nor 2

Solution :Both STATEMENTSARE true, BRINJAL (Solanum melongena) is a good SOURCE of iron and PUMPKIN (Cucurbita moschata) is a good source of VITAMIN A which is a essential for synthesis of visualpigmentand against infection.
Discussion
19104.

Question : Consider the following statements.

Answer»

I and II
I and III
II and III
I, II and III

Answer :C
Discussion
19105.

Question : Consider the followingstatements :1. In algae, the reproductiveorgans are single -celled. 2. Fern plantslack truevascularsystem.Which of the statements givenaboveis /are correct ?

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Only 1
Only 2
Both1 AND2
Neither1 nor 2

Solution :FERM plantsare RELATED to pteriodphytawhich have true vascularsystem i.e. Xylem and phloem present. Vessels are absentin xylem and campanion cells are absent in phloem.
Discussion
19106.

Question : Consider the followingstatements : 1. Differentplantspecies growtogether.2. Light cannot penetrateinto the lowerstrata full ofundergrowth. Which of the followingtypes ofvegetation is characterised by the above ?

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Equotorialmoist EVERGREEN
Tropical DECIDUOUS
MEDITERRANEAN
WARM temperaturebroad leaveddeciduous

Solution :Mediterranean vegetationexists.
Discussion
19107.

Question : Considerthe following statements :1. Beansare richer source of proteinsthan potatoes.2. Applesare richersource ofcarbohydrates thanbananas. Which of the statements given above is/arecorrect ?

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1 only
2 only
Both1 and 2
Neither1 nor 2

Solution :Beansare highlyrich in proteins, potatoesand bananas are carhohydrate rich. BANANA PROVIDES an amount OFSUGAR, minerals and VITAMINS and someacids (MAINLY malic acid).
Discussion
19108.

Question : consider the following statements :

Answer»

HIGH blood pressure affects VITAL organs LIKE brain and kidney
left ventricle supplies oxygenated blood to all parts ofbody except lungs
It artherorosislumen of ARTERIES that supplies blood to heart gets narrower due to deposit of CALCIUM, fat, cholesterol etc.
Angina occurs due to condition that affect the blood flow reaching the heart muscle.

Answer :B
Discussion
19109.

Question : Consider the following statement(s) In Protandrous flowers pistil matures earlier In Protogynous flowers pistil matures earlier Herkogamy is noticed in unisexual flower. Distyly is present in Primula.

Answer»

i and II are CORRECT
ii and iv are correct
ii and III are correct
i and iv are correct

ANSWER :B
Discussion
19110.

Question : Consider the following statement (a-d) each with one or two blanks (a) Brears go into (1) ______during winter to (2)_____cold weather (b) A conical age pyramid with a broad base represents (3)_____human population. © A wasp pollinating a fig flower is an example of (4)_____ (d) an area with high levels of species richness is known as (5)_____ which one of the following options, gives the correct fill ups for the respective blank numbers from (1) to (5) in the statements:-

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(3)-STABLE, (4)-COMMENSALISM, (5)- (marsh)
(1)-aestivation, (2)-escape, (3)-stable, (4)-MUTUALISM
(3)-expanding, (4)-commensalism, (5)-biodiversity park
(1)-hibernation, (2)-escape, (3)-expanding, (5)-hot spot

Answer :D
Discussion
19111.

Question : Consider the following statements and choose the right option. i) Cereals are members of grass family . Most of the food grains come from monocothledon.

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(i) is CORRECT and (II) is WRONG
Both (i)and (ii)are correct
(i) is wrong and (ii)is correct
Both (i)and (ii)are wrong

Solution : Both (i) and (ii) are correct
Discussion
19112.

Question : Consider the following statement about therapeutic drugs: I) Recombinant DNA technology is used for production of therapeutic drugs which are safe and effective. II) It avoid unwanted immunological responses commonly observed with similar products isolated from non human sources. III) About thirty recombinant therapeutics have been approved for human use in India. Which of the following statements given above are correct?

Answer»

I and II
I and III
II and III
I, II and III

ANSWER :A
Discussion
19113.

Question : Consider the following plants : 1. Jasmine 2. Sugercane 3. Turmeric Which of the above is/arepropagatedby vegetativemethod ?

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1 only
1 and 2
2 and 3
1, 2 and 3

Solution :Jasmineis propagatedthrough STEM cuttings "SETTS", "seed", "seed-cane" or "seed-pieces". Turmeric is PROPAGATED through rhizome.
Discussion
19114.

Question : Consider the following nucleic acids a) DNAb)r-RNAc) t-RNA d) m-RNA Choose the correct sequence of their arrangement according to their participation in protein synthesis

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a, B, C, d
b, c, d, a
c, b, a, d.
a, d, b, c

Answer :D
Discussion
19115.

Question : Consider the following methods. a) Vaccum aspiration b) Tubectomy c) Infusion of Saline solution d) Depo-provera injection e) RISUG f) Intake of RU-486 which of the above methods can be used to perform induce abortion?

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a,E and C
b,d and e
a, c and f
e,c and f

Answer :C
Discussion
19116.

Question : Consider the following processes a) Synthesis of t-RNA b) Attachment of an amino acid to ATP c) Acetylation of amino acid attached to t-RNA d) Charging of t-RNA Which of the above is/are the functions of aminoacyl t-RNA synthetase ?

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a,B and C
a and c
b and d
d only

Answer :C
Discussion
19117.

Question : Consider the following given in box and select how many characters are correct for chemotaxonomy and cytotaxonomy respectively ? Structure and behaviour of chromosomes, DNA base sequencing , embryology, Chemical nature of cell wall, rRNA genes, Anthocyanin, Reserve food materials, Anatomy

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Five and ONE
THREE and three
Four and TWO
TWOAND six

Answer :B
Discussion
19118.

Question : Consider the following four statements whether thy are correct or wrong: a) The sporophyte in liverworts is more elaorate than that is mosses. b) Salvinia is heterosporous c) The life-cycle in all seed-bearing plants is diplontic d) In Pinus male and female cones are borne on different trees. The two wrong statements together are:

Answer»

STATEMENTS a) and B)
Statements a) and C)
Statements a) and c)
Statements b) and c)

ANSWER :C
Discussion
19119.

Question : Consider the following four statements (P-Q) related to synovial joints and select the correct option stating which ones are true (T) and which ones are false.(F). P) Hip joint is a ball and socket joint Q)Joint between radius and ulna in the forearm is a hinge joint R)Joint between occipital and first vertebrae is a pivot joint S) Joint between carpal and metacarpal of a thumb is a saddle joint

Answer»

<P>`{:(P,Q,R,S),(T,T,T,T):}`
`{:(P,Q,R,S),(F,F,F,F):}`
`{:(P,Q,R,S),(T,F,T,F):}`
`{:(P,Q,R,S),(T,F,F,T):}`

ANSWER :D
Discussion
19120.

Question : Consider the following four statements (I-IV) regarding kidney transplant and select the two correct ones out of these. I. Even if a kidney transplant is proper the recipient may need to take immuno-suppresants for a long time. II. The cell-mediated immune response is responsible for the graft rejection. III. The B-lymphocytes are responsible for rejection of the graft. IV. The acceptance or rejection of a kidney transplant depends on specific interferons. The two correct statements are

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II and III
III and IV
I and III
I and II

Solution :I and II
Discussion
19121.

Question : Consider the following four statements and find the incorrect from them. (a) Herbarium is used as quick referral system (b) Museum have collections of living plants and animals. (c) Separate keys are made for each taxonomic categories (d) Zoological parks have collection of preserved animals.

Answer»

STATEMENTS (a) and (B)
Statements (a) and (C)
Statements (b) and (d)
Statements (c) and (d)

ANSWER :C
Discussion
19122.

Question : Consider the following four statements (a-d) and select the option which includes all the correct ones only? (a) Genus is a group of related species which has more characters in common in comparison to species of other genera. (b) Classification is not a single step process. (c) Solanum, Petunia and Datura are placed in family convolvulaceae (d) Taxonomiccategories are both distinct biological entities and morphological aggregates.

Answer»

STATEMENTS a, B
Statements a, b, d
Statements b, C, d
Statements a, b, c

Answer :B
Discussion
19123.

Question : Consider the following four statements (a-d) and select the option which includes the correct ones only ? (a) Floral or reproductive characters are less conservative as compared to vegetative characters.(b) Gross morphology is not considered in natural nonphylogenetic classification. (c) Tautonyms are valid in plant nomenclature. (d) Scientific names should be derived from Latin or Greek language.

Answer»

STATEMENTS B, C, d
Statements a, b
Statments b, d
Statement d

Answer :D
Discussion
19124.

Question : Consider the following four statements (A-D) and select the option which includes all the correct ones only : - (A) Ability of the host to fight the disease causing organisms conferred by the immune system is called allergy (B) Highly intensified secondary immune response is also called as anamnestic response (C) Innate immunity is characterised by memory (D) Each antibody molecule has two light polypeptide chains

Answer»

STATEMENTS B, D
Statements A, B
Statements A, D
Statements A, C, D

Answer :A
Discussion
19125.

Question : Consider the following four statements (a-d) and select the correct option : (a) Frankia is a example of filamentous bacteria. (b) Rhodospirillum is a example of purple sulphur bacteria. (c) Acetobacter aceti is a example of facultative anaerbic. (d) Nitrosomonas and Nitrobacter are example of nitrogen fixing bacteria.

Answer»

STATEMENTS B, C and d
Statements a, b and c
Statements c and d
Statements a and c

Answer :D
Discussion
19126.

Question : Consider the following four statements A, B, C and D and select the right option for two correct statement :- Statements :- (A) RNA was first genetic material (B) 5-methyl uracil found in RNA (C) DNA polymerase-III does not require RNA primer for the synthesis of DNA strand (D) RNA primer formed over 3'end of template strand The correct statements are :-

Answer»

(A) and (B)
(B) and (C)
(A) and (D)
(A) and (C)

ANSWER :C
Discussion
19127.

Question :Consider the following four statements (i)-(iv) about certain desert animals such as kangaroo rat.i) They have dark colour and high rate of reproduction and excrete solid urine ii) They do not drink water, breathe at a slow rate to conserve water and have their body covered with thick hairs iii) They feed on dry seeds and do not required drinking water iv)They excrete very concentrated urine and do not use water to regulate body temperature. Out of these four, which two are correct :

Answer»

C and a
c and a
c and d
B and c

Answer :C
Discussion
19128.

Question : Consider the following four conditions (a-d) and select the correct pair of them as adaptations to environment in desert lizards The conditions : a) burrowing in soil to escape high temperature b) losing heat rapidly from the body during high temperature c) bask in sun when temperature is low d) insulating body due to thick fatty dermis

Answer»

(a),(B)
(C),(d)
(a),(c)
(b),(d)

ANSWER :C
Discussion
19129.

Question : Consider the following event in the photochemical conversion of light energy into chemical conversion of light energy into chemical energy by chlorophyll during photosynthesis I) Energy transformation (light energy rarr ATP) II)Absorption of quantum of energy III)Ejection of electron from P_(680) IV)Transfer of lightenergy (resource transfer )

Answer»

IV, II, I , II
I , III , IV, II
II, IV , III , I
II , I, IV, III

Answer :C
Discussion
19130.

Question : Consider the following diseases and choose the ones that can be treated by antibiotics. ltbr I. Whooping couhg,. II. Diphtheria III. Mycardial Infarction IV. Clostridium butylicum

Answer»

I, II and III
III and IV
II and III
I, II and IV

Answer :D
Discussion
19131.

Question : Consider the following conditions.I.Monoploidy II.Hypoploidy III. Polyploidy IV.Hyperploidy Which among these ae euploidy?

Answer»

I and II
II and III
only IV
I and III

Answer :D
Discussion
19132.

Question : Consider the following characters: (a) Aboral surface bears anus and madreporite. (b) Ambulacral grooves are absent. (c) Respiration by dermal branchiae and tube feet.(d) Arms are branched.(e) Pedicellariae are present Which of the following options gives the correct description of Asterias?

Answer»

(a),(C) and (E)
(B), (c) and (d)
(a),(d) and (e)
(b),(d) and (e)

ANSWER :A
Discussion
19133.

Question : Consider the following characters : Marine habitat , Statocyst, Cnidoblast, Colloblast cells, Comb plates, tentacles How many characters are present in all adult ctenophores without any exception?

Answer»

Four
Five
Three
Six

Answer :D
Discussion
19134.

Question : Consider the following characteristics wrt ANS. (a) Cranio-sacral outflow.br (b) Post ganglionic nerve fibres are shorter than preganglionic nerve fibres. br (c) Has adrenergic post ganglionic fibres. br (d) Has collateral ganglia situated in abdominal cavity.How many among the above mentioned characteristics describe the parasympathetic nervous system?

Answer»

1
3
4
2

Answer :D
Discussion
19135.

Question : Consider the followin statements . A. Among animals, birds are the most species-rich taxonmic group , making up more than 70 per cent of the total. B. For many taxonomic groups,than in tropical countries. C. According to the IUCN (2004), the total number of plant and animal species described so far is slightly more than 3.5 million. D. The number of fungi species in the world is more than raptiles and mammals. Of the above statements :

Answer»

A and B are CORRECT
A and D are correct
B and C are correct
B and D are correct

ANSWER :D
Discussion
19136.

Question : Consider the following characteristics(a) 120 cm high at shoulders(b) Forelimb and hindlimb had one compelete finger and toe and two hidden splints(c) evolved from Mercychippus(d) Teeth adapted for eating grasswhich of the following ancestral horse is best described by the above mentioned chraracteristics?

Answer»

Pilohiphhus
Mesohippus
Hyracotherium
Callipus

Answer :A
Discussion
19137.

Question : Consider the following characteristic features. (a) Closed vascular system (b) External fertilisation (c) Dioecious (d) Doubleventral nurve cord The above features characterise

Answer»

Leech
Earthworm
Sandworm
Bloodworm

Answer :C
Discussion
19138.

Question : Consider the first reaction of TCA cycle. AcetylCoA+OA A+H_(2)O overset("Citrate synthase")to "" (A)+CoA. What is true about compound A?

Answer»

First product of TCA cycle
Tricarboxylic ACID and SIX carbon compound
It undergoes recorganization in the presence of ENZYME ACONITASE to form cis-aconitate
All of these

Answer :D
Discussion
19139.

Question : Consider the collowing four statements (I-II) and select the option which includes all the correct ones only.

Answer»

statements III and IV
statements I and III and IV
statementII,III and IV
statements I and II

Solution :out of the given statements I and II are correct as single cell spriulina can produce large QUANTITES of food rich in protein minerals vitamins TEC. And body wiehgt wise the mocroorganism mthylophilus methy lotrophus may be ABLE to produce serveal times more proteins than cows per DAY.
Discussion
19140.

Question : Consider the above pedigree, the shaded symbol represent recessive disease then find out :-

Answer»

What is GENOTYPE of mother
What is genotype of father
What are genotype of all children

Solution : (1) - AA, (2) – aa, (3) – Aa, aa, Aa, Aa, aa
Discussion
19141.

Question : Consider pond as an ecosystem. Showing the number of individuals in the following categories. Carnivores - 2500, Producers - 15000, Herbivores - 5000 Comment on the energy flow in the ecosystem

Answer»

Solution :Flow of energy in the ECOSYSTEM is unidirectional. Solar energy captured by producers flows throughherbivores and CARNIVORES. Only 10`%` of energy will transfer from one trophic LEVEL to another.
Discussion
19142.

Question : Consider pond as an ecosystem. Showing the number of individuals in the following categories. Carnivores - 2500, Producers - 15000, Herbivores - 5000 (A) Draw the pyramid of numbers in the ecosystem

Answer»

SOLUTION :
Discussion
19143.

Question : Consider pond as an ecosystem showing the number of individuals in the following categories. Carnivores- 2500, Producers- 15000, Herbrivores-5000 Cooment on the energy flow in the ecosystem

Answer»

SOLUTION :UNIDIRECTIONAL FLOW of energy from producers to CONSUMERS. It decreases in successive trophic LEVELS.
Discussion
19144.

Question : Consider among following statements regarding multiple alleles. I. Influence the different characters. II. Have arisen as a result of mutation of the normal gene. III. Exhibit the phenomenon of crossing over in itself. IV. Occupy the same locus in the homologous chromosomes. Choose the correct option.

Answer»

I and II
II and III
II and IV
I and IV

Answer :C
Discussion
19145.

Question : Conservation through proper planned and judicious use of resources is essential.

Answer»

Solution :(1) The nature and natural resources are INDISCRIMINATELY expolited by HUMAN beings.
(2) This nonjudicious EXPLOITATION is in unplanned manner.
(3) Due to this the natural balance is lost.
(4) There is cological crisis CREATED all over the world.
(5) Conservation through proper planned and judicious use of resources is therefore essential.
Discussion
19146.

Question : Consider a pond ecosystem.a.Draw a pyramid of energy in that ecosystem.b.Compare three types of pyramidal relationship found among the organisms in pond ecosystem.c.Is there any difference between nutrient flow and energy flow in an ecosystem ? Substantiate.

Answer»

Solution :a.
b.PYRAMID of NUMBER and energy is upright and pyramid of biomes is inverted in pond.
c.Energy flow is unidirectional, but NUTRIENT flow is in cyclic manner. The amount of energy flow decreases with SUCCESSIVE trophic level but no such variation in nutrient cycling.
Discussion
19147.

Question : Conservation of wild animals and plants in sanctuaries and national park is _____.

Answer»

EX SITU CONSERVATION
in VITRO conservation
in VIVO conservation
in situ conservation

Answer :D
Discussion
19148.

Question : "Conservation of biodiversity is a collectivr responsibility of all Nations"Write a slogan stressing the significance of biodiversity conservation.

Answer»

SOLUTION :CONSERVE BIODIVERSITY. SAVE EARTH.
Discussion
19149.

Question : Conservation and management of forest.

Answer»

Solution :CONSERVATION and management of forest is aimed at reducing the effects of DEFORESTATION.It is done by the following methods:(1)Regulating grazing of animal in forest lands.(2)Protection of forests from pests and pathogens.(3)Protecting forests from wild fires byeffective control measures.(4)Economic use of TIMBER and fuel wood to avoid the wastage of forest resources.(5)Forest conservation by implementing laws.(6)Adopting reforestation and afforestation PROGRAMMES.(7)Encouranging agro-forestry.(8)Educating people about hazards of deforestation by spreading awareness.
Discussion
19150.

Question : Consaguineous mating is denoted by

Answer»




ANSWER :C
Discussion