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11) Choose correct answer from the given alternatives and write it. [Each carries 1 Mark]
X
2 This is demo ans.
What is indicated by R in ECoRI ?
(A) Name of strain (B) Location of gene (C) Roman Numeral (D) Name of species
Which of the following methods is used to prepare competent host ?
(A) Electrophoresis (B) Gene gun (C) micro-injection (D) All of the above
Which of the following is not the restriction enzyme ?
(A) Puv-1 (B) Cla-1 (C) Hind-III (D) Sal-I
Gene the site of Bam H1 restriction enzyme in p1312322.
(A) Ampicillin antibiotic place (B) Tetracycline antibiotic place
(C) ori place (D) rop place
By which method DNA fragments that are cut by restriction enzyme are separated ?
(A) Centrifugation (B) Electrophoresis
(C) Polymerase chain reaction (D) Enzymatic measurement
How many chain/sequences of DNA molecule are broken when restriction endonuclease enzyme
works on palindrome ?
(A) 2 (B) 4 (C) 6 (D) 8
Separate DNA : Restriction Endonuclease : Connects DNA : ________.
(A) Protease (B) Lipase (C) Nuclease (D) Ligase
Biotechnolgy mainly uses
(A) GMO (B) Bacteria (C) Virus (D) Animals
Following can be biotechnological products
(A) Antibiotics (B) Vaccine (C) Enzymes (D) All of these
The extraction of DNA from gel is called as
(A) Spooling (B) Elution (C) AGE (D) Annealing
What is called mobile genetic ?
(A) Plasmid (B) Transposones (C) RNA (D) VNTRs
Which human protein is possessed by transgenic cow’s milk ?
(A) Lacta albumin (B) Albumin (C) Alphalactalbumin (D) Betalectalbumin
Which is the example of bio-piracy ?
(A) Transgenic cow (B) Brasica
(C) Basmati rice (D) Transgenic mice/rat
What is called C-peptide ?
(A) Proinsulin - more stretched (B) Adult insulin
(C) Insulin in simple form (D) None
Which protein is obtained from pentiade plandra Braziana ?
(A) Cry protein (B) Brazine (C) Brasica (D) GM-food
the choice of Bt-toxin genes depeds upon
(A) type of the crop (B) type of the targeted pest
(C) the type of vector (D) both a and b
Insect pest resistant Bt cotton was developed by
(A) Somaclonal variations (B) Micropropagation
(C) Transgenic technology (D) Somatic hybridization
Giant mouse has been produced through
(A) Tissue culture (B) Gene differentiation (C) Gene manipulation (D) All the above
Disorders in which B-lymphocytes are not formed is
(A) AIDS (B) SCID
(C) Cystic fibrosis (D) Muscular dystrophy
shrihari higher secondary schoolMarks:100 Subject:12th-Bio
Chapter:11,12,13,14,.. 12th 8th round
Date:12/02/20
Time:3 hour
[A] [50]
1.
2.
3.
4.
5.
6.
7.
8.
9.
10.
11.
12.
13.
14.
15.
16.
17.
18.
19.
Protein a-1 antitrypsin is used to treat
(A) Cancer (B) Rheumatoid arthritis (C) Alzheimer's disease (D) Emphysema
Which transgenic animal has been given human genes for organ transplantation into humans
without risk of rejection ?
(A) Cow (B) Sheep (C) Goat (D) Pig
The maximum growth rate occurs
(A) stationary phase (B) Senescent phase (C) Lag phase (D) Exponential phase
Sunken stomata occurs in
(A) Xerophytes (B) Hydrophytes (C) Mesophytes (D) Opsanophytes
In asymptote state, population is
(A) Lncreasing (B) Decreasing (C) Changing (D) Stabilised
Average ratio of men and women in human population is
(A) 3 : 4 (B) 1 : 1 (C) 3 : 5 (D) 1 : 2
Competition of species leads to
(A) Extinction (B) Mutation
(C) Greater number of niches (D) Symbiosis
A biologist studied the population of rats in a barn. He found that average natality was 250
average mortality 240, immigration 20, and emigration 30. The net increase in population is
(A) 10 (B) 15 (C) 05 (D) zero
Most animals are tree dwellers in a:
(A) Coniferous forest (B) Thorn woodland
(C) Temperate deciduous forest (D) Tropical rain forest
Precipitation due to annual variation in seasons includes
(A) Rain (B) Snow (C) Dew (D) Both(A) and (B)
The organisms which thrive in a wide range of temperature is called as
(A) Stenothermal (B) Poikilothermal (C) Homiothermal (D) Eurythermal
The organisms which are restricted to a narrow range of salinity are known as
(A) Salinitroph (B) Euryhaline (C) Salinohaline (D) Stenohaline
Insectivores plants are included in .........
(A) producers (B) consumers (C) A and B both (D) none of above
The process by which earthwarm breaks down complex organic matter is ..........
(A) Decomposition (B) Mineralization (C) Fragmentation (D) None of the above
Chemical energy which is used as food by consumer organisms, in which it is released in
atmosphere ?
(A) Bio energy (B) Release energy (C) Heat (D) Physical energy
The productivity of which region is medium ?
(A) Forest area (B) Desert (C) Aquatic habitat (D) Gross region
Which of the following is a sedimentary cycle ?
(A) Sulphur cycle (B) Nitrogen cycle (C) Oxygen cycle (D) Carbon cycle
Due to which of the following reasons the rate of releasing CO2 is increased ?
(A) Combustion / burning of fossil fuel (B) Rapid deforestration
(C) Forest fire (D) All of the given
Which of the following has never inverted pyramid ?
(A) Number (B) Size / Volume (C) Energy (D) Biomass
Biomes distribution corresponds roughly with regional variations in
(A) Climate (B) Topography (C) Soils (D) All of these
Is a primary consumer
(A) Grass (B) Goat (C) Tiger (D) Man
In India, how many genetically different strains of rice are there ?
(A) 50,000 (B) 1000 (C) 40,000 (D) 20,000
// Page:2 //
20.
21.
22.
23.
24.
25.
26.
27.
28.
29.
30.
31.
32.
33.
34.
35.
36.
37.
38.
39.
40.
41.
Answer the following Questions. [Each carries 2 marks]
Answer the following Questions. [Each carries 3 marks]
Answer the following Questions. [Each carries 4 marks]
Which are the approaches to be considered for conservation of biodiversity ?
(A) in-situ (B) ex-situ (C) both (A) and (B) (D) (A) or (B)
How many species of ants ?
(A) 2200 (B) 2000 (C) More than 20,000 (D) 200
How many species of beetles ?
(A) 30,000 (B) 3,00,000 (C) 30,00,000 (D) More than 30 lac
What will happen as the area increases the number of species ?
(A) Increases (B) Decreases (C) There is no change (D) None
What is called relative richness of different species in a habitat ?
(A) a-diversity (B) b-diversity (C) g-diversity (D) None
What are included in AIMS of biodiversity ?
(A) Ecosystem studies included (B) We can identify hot spot
(C) We can study geographical areas (D) All given
Who wrote “The nature has capacity to satisfy the need of man but not his greed.” ?
(A) Vinoba Bhave (B) Gandhiji
(C) Smt. (D) Sardar Vallabhbhai Patel
Expand BOD.
(A) Biological Oxygen Demand (B) Biosynthetic Oxygen Demand
(C) Biogeochemical Oxygen Destroyer (D) Biochemical Oxygen Demand
World’s most problematic aquatic weed is :
(A) Azolla (B) Wolffia (C) Eichornia (D) Trapa
Which steps are included in recombinant DNA technology mechanism ?
Give importance of origin of replication in chromosome.
What is GEAC ? Give its function.
What is the basis of variations in the physical and chemical conditions of different habitats ?
What is Darwinian fitness ?
Describe commensalism.
What is decomposition ? Explain ?
Describe biodiversity found in India.
What is Noise ? State the effect of it and mention the measures to control it.
What is algal bloom ?
What are components of domestic sewage and industrial Effluents ?
Explain about PCR in short.
Explain Biopiracy.
Explain parasitism in detail.
Explain competition in detail.
Mention type of nutrient cycling explaining it.
Write an explanatory note on Ex situ conservation.
Explain various factors which causes degradation of natural resources.
Give information about bioreactors.
Give information about Bt cotton.
Give information about production of Genetically Engineered Insulin.
Explain structure and functions of Ecosystem.
Explain various types of ecological pyramids.
// Page:3 //
42.
43.
44.
45.
46.
47.
48.
49.
50.
[B] [16]
1.
OR.
2.
3.
OR.
4.
5.
6.
7.
8.
OR.
[C] [18]
9.
10.
11.
OR.
12.
13.
14.
[D] [16]
15.
16.
OR.
17.
18.
KU
MA
R PRA
KA
SHA
N K
END
RA
Kumar Prakashan Kendra Welcome To Future M:91-7359 662200
Answer KeyMarks:100 Subject:12th-Bio
Chapter:11,12,13,14,.. 12th 8th round
Date:12/02/20
Time:3 hour
Section [ A ] : 1 Mark MCQ
No Ans Chap Sec Que PageNo BookType
1 A Chap 11 F-A 5 Kumar
2 D Chap 11 F-A 6 Kumar
3 A Chap 11 F-A 10 Kumar
4 B Chap 11 F-A 11 Kumar
5 B Chap 11 F-A 13 Kumar
6 A Chap 11 F-A 16 Kumar
7 D Chap 11 F-A 17 Kumar
8 A Chap 11 F-A 23 Kumar
9 D Chap 11 F-A 24 Kumar
10 B Chap 11 F-A 27 Kumar
11 B Chap 12 F-A 1 Kumar
12 C Chap 12 F-A 2 Kumar
13 B Chap 12 F-A 3 Kumar
14 A Chap 12 F-A 7 Kumar
15 B Chap 12 F-A 9 Kumar
16 D Chap 12 F-A 13 Kumar
17 B Chap 12 F-A 15 Kumar
18 C Chap 12 F-A 22 Kumar
19 B Chap 12 F-A 24 Kumar
20 D Chap 12 F-A 27 Kumar
21 D Chap 12 F-A 29 Kumar
22 D Chap 13 F-A 2 Kumar
23 A Chap 13 F-A 3 Kumar
24 D Chap 13 F-A 12 Kumar
25 B Chap 13 F-A 14 Kumar
26 A Chap 13 F-A 15 Kumar
27 D Chap 13 F-A 18 Kumar
28 D Chap 13 F-A 19 Kumar
29 D Chap 13 F-A 23 Kumar
30 D Chap 13 F-A 28 Kumar
31 D Chap 13 F-A 30 Kumar
32 C Chap 14 F-A 4 Kumar
KU
MA
R PRA
KA
SHA
N K
END
RA
Kumar Prakashan Kendra Welcome To Future M:91-7359 662200
// Page:2 //
33 A Chap 14 F-A 5 Kumar
34 C Chap 14 F-A 8 Kumar
35 D Chap 14 F-A 9 Kumar
36 A Chap 14 F-A 11 Kumar
37 D Chap 14 F-A 14 Kumar
38 C Chap 14 F-A 17 Kumar
39 D Chap 14 F-A 41 Kumar
40 B Chap 14 F-A 56 Kumar
41 A Chap 15 F-A 2 Kumar
42 C Chap 15 F-A 7 Kumar
43 C Chap 15 F-A 21 Kumar
44 B Chap 15 F-A 22 Kumar
45 A Chap 15 F-A 29 Kumar
46 A Chap 15 F-A 30 Kumar
47 D Chap 15 F-A 35 Kumar
48 B Chap 15 F-A 36 Kumar
49 D Chap 16 F-A 1 Kumar
50 C Chap 16 F-A 9 Kumar
Section [ B ] : 2 Marks Questions
No Ans Chap Sec Que PageNo BookType
1 - Chap 11 A 12 Kumar
OR - Chap 11 A 4 Kumar
2 - Chap 12 A 9 Kumar
3 - Chap 13 A 2 Kumar
OR - Chap 13 A 9 Kumar
4 - Chap 13 A 15 Kumar
5 - Chap 14 A 4 Kumar
6 - Chap 15 A 3 Kumar
7 - Chap 16 A 3 Kumar
8 - Chap 16 A 10 Kumar
OR - Chap 16 A 11 Kumar
Section [ C ] : 3 Marks Questions
No Ans Chap Sec Que PageNo BookType
1 - Chap 11 A 15 Kumar
2 - Chap 12 A 11 Kumar
KU
MA
R PRA
KA
SHA
N K
END
RA
Kumar Prakashan Kendra Welcome To Future M:91-7359 662200
// Page:3 //
3 - Chap 13 A 12 Kumar
OR - Chap 13 A 13 Kumar
4 - Chap 14 A 10 Kumar
5 - Chap 15 A 12 Kumar
6 - Chap 16 A 27 Kumar
Section [ D ] : 4 Marks Questions
No Ans Chap Sec Que PageNo BookType
1 - Chap 11 A 18 Kumar
2 - Chap 12 A 3 Kumar
OR - Chap 12 A 5 Kumar
3 - Chap 14 A 2 Kumar
4 - Chap 14 A 7 Kumar
11) Choose correct answer from the given alternatives and write it. [Each carries 1 Mark]
X
2 This is demo ans.
What is indicated by R in ECoRI ?
(A) Name of strain (B) Location of gene (C) Roman Numeral (D) Name of species
Which of the following methods is used to prepare competent host ?
(A) Electrophoresis (B) Gene gun (C) micro-injection (D) All of the above
Which of the following is not the restriction enzyme ?
(A) Puv-1 (B) Cla-1 (C) Hind-III (D) Sal-I
Gene the site of Bam H1 restriction enzyme in p1312322.
(A) Ampicillin antibiotic place (B) Tetracycline antibiotic place
(C) ori place (D) rop place
By which method DNA fragments that are cut by restriction enzyme are separated ?
(A) Centrifugation (B) Electrophoresis
(C) Polymerase chain reaction (D) Enzymatic measurement
How many chain/sequences of DNA molecule are broken when restriction endonuclease enzyme
works on palindrome ?
(A) 2 (B) 4 (C) 6 (D) 8
Separate DNA : Restriction Endonuclease : Connects DNA : ________.
(A) Protease (B) Lipase (C) Nuclease (D) Ligase
Biotechnolgy mainly uses
(A) GMO (B) Bacteria (C) Virus (D) Animals
Following can be biotechnological products
(A) Antibiotics (B) Vaccine (C) Enzymes (D) All of these
The extraction of DNA from gel is called as
(A) Spooling (B) Elution (C) AGE (D) Annealing
What is called mobile genetic ?
(A) Plasmid (B) Transposones (C) RNA (D) VNTRs
Which human protein is possessed by transgenic cow’s milk ?
(A) Lacta albumin (B) Albumin (C) Alphalactalbumin (D) Betalectalbumin
Which is the example of bio-piracy ?
(A) Transgenic cow (B) Brasica
(C) Basmati rice (D) Transgenic mice/rat
What is called C-peptide ?
(A) Proinsulin - more stretched (B) Adult insulin
(C) Insulin in simple form (D) NoneKumar Prakashan Kendra Welcome To Future M:91-7359 662200
Paper SolutionMarks:100 Subject:12th-Bio
Chapter:11,12,13,14,.. 12th 8th round
Date:12/02/20
Time:3 hour
[A] [50]
1.
2.
3.
4.
5.
6.
7.
8.
9.
10.
11.
12.
13.
14.
What is called C-peptide ?
(A) Proinsulin - more stretched (B) Adult insulin
(C) Insulin in simple form (D) None
Which protein is obtained from pentiade plandra Braziana ?
(A) Cry protein (B) Brazine (C) Brasica (D) GM-food
the choice of Bt-toxin genes depeds upon
(A) type of the crop (B) type of the targeted pest
(C) the type of vector (D) both a and b
Insect pest resistant Bt cotton was developed by
(A) Somaclonal variations (B) Micropropagation
(C) Transgenic technology (D) Somatic hybridization
Giant mouse has been produced through
(A) Tissue culture (B) Gene differentiation (C) Gene manipulation (D) All the above
Disorders in which B-lymphocytes are not formed is
(A) AIDS (B) SCID
(C) Cystic fibrosis (D) Muscular dystrophy
Protein a-1 antitrypsin is used to treat
(A) Cancer (B) Rheumatoid arthritis (C) Alzheimer's disease (D) Emphysema
Which transgenic animal has been given human genes for organ transplantation into humans
without risk of rejection ?
(A) Cow (B) Sheep (C) Goat (D) Pig
The maximum growth rate occurs
(A) stationary phase (B) Senescent phase (C) Lag phase (D) Exponential phase
Sunken stomata occurs in
(A) Xerophytes (B) Hydrophytes (C) Mesophytes (D) Opsanophytes
In asymptote state, population is
(A) Lncreasing (B) Decreasing (C) Changing (D) Stabilised
Average ratio of men and women in human population is
(A) 3 : 4 (B) 1 : 1 (C) 3 : 5 (D) 1 : 2
Competition of species leads to
(A) Extinction (B) Mutation
(C) Greater number of niches (D) Symbiosis
A biologist studied the population of rats in a barn. He found that average natality was 250
average mortality 240, immigration 20, and emigration 30. The net increase in population is
(A) 10 (B) 15 (C) 05 (D) zero
Most animals are tree dwellers in a:
(A) Coniferous forest (B) Thorn woodland
(C) Temperate deciduous forest (D) Tropical rain forestKumar Prakashan Kendra Welcome To Future M:91-7359 662200
// Page:2 //
15.
16.
17.
18.
19.
20.
21.
22.
23.
24.
25.
26.
27.
28.
Most animals are tree dwellers in a:
(A) Coniferous forest (B) Thorn woodland
(C) Temperate deciduous forest (D) Tropical rain forest
Precipitation due to annual variation in seasons includes
(A) Rain (B) Snow (C) Dew (D) Both(A) and (B)
The organisms which thrive in a wide range of temperature is called as
(A) Stenothermal (B) Poikilothermal (C) Homiothermal (D) Eurythermal
The organisms which are restricted to a narrow range of salinity are known as
(A) Salinitroph (B) Euryhaline (C) Salinohaline (D) Stenohaline
Insectivores plants are included in .........
(A) producers (B) consumers (C) A and B both (D) none of above
The process by which earthwarm breaks down complex organic matter is ..........
(A) Decomposition (B) Mineralization (C) Fragmentation (D) None of the above
Chemical energy which is used as food by consumer organisms, in which it is released in
atmosphere ?
(A) Bio energy (B) Release energy (C) Heat (D) Physical energy
The productivity of which region is medium ?
(A) Forest area (B) Desert (C) Aquatic habitat (D) Gross region
Which of the following is a sedimentary cycle ?
(A) Sulphur cycle (B) Nitrogen cycle (C) Oxygen cycle (D) Carbon cycle
Due to which of the following reasons the rate of releasing CO2 is increased ?
(A) Combustion / burning of fossil fuel (B) Rapid deforestration
(C) Forest fire (D) All of the given
Which of the following has never inverted pyramid ?
(A) Number (B) Size / Volume (C) Energy (D) Biomass
Biomes distribution corresponds roughly with regional variations in
(A) Climate (B) Topography (C) Soils (D) All of these
Is a primary consumer
(A) Grass (B) Goat (C) Tiger (D) Man
In India, how many genetically different strains of rice are there ?
(A) 50,000 (B) 1000 (C) 40,000 (D) 20,000
Which are the approaches to be considered for conservation of biodiversity ?
(A) in-situ (B) ex-situ (C) both (A) and (B) (D) (A) or (B)
How many species of ants ?
(A) 2200 (B) 2000 (C) More than 20,000 (D) 200
Kumar Prakashan Kendra Welcome To Future M:91-7359 662200
// Page:3 //
29.
30.
31.
32.
33.
34.
35.
36.
37.
38.
39.
40.
41.
42.
43.
Answer the following Questions. [Each carries 2 marks]
How many species of ants ?
(A) 2200 (B) 2000 (C) More than 20,000 (D) 200
How many species of beetles ?
(A) 30,000 (B) 3,00,000 (C) 30,00,000 (D) More than 30 lac
What will happen as the area increases the number of species ?
(A) Increases (B) Decreases (C) There is no change (D) None
What is called relative richness of different species in a habitat ?
(A) a-diversity (B) b-diversity (C) g-diversity (D) None
What are included in AIMS of biodiversity ?
(A) Ecosystem studies included (B) We can identify hot spot
(C) We can study geographical areas (D) All given
Who wrote “The nature has capacity to satisfy the need of man but not his greed.” ?
(A) Vinoba Bhave (B) Gandhiji
(C) Smt. (D) Sardar Vallabhbhai Patel
Expand BOD.
(A) Biological Oxygen Demand (B) Biosynthetic Oxygen Demand
(C) Biogeochemical Oxygen Destroyer (D) Biochemical Oxygen Demand
World’s most problematic aquatic weed is :
(A) Azolla (B) Wolffia (C) Eichornia (D) Trapa
Which steps are included in recombinant DNA technology mechanism ?
Give importance of origin of replication in chromosome.
Kumar Prakashan Kendra Welcome To Future M:91-7359 662200
// Page:4 //
44.
45.
46.
47.
48.
49.
50.
[B] [16]
1.
OR.
What is GEAC ? Give its function.
What is the basis of variations in the physical and chemical conditions of different habitats ?
What is Darwinian fitness ?
Describe commensalism.
What is decomposition ? Explain ?
Describe biodiversity found in India.
Kumar Prakashan Kendra Welcome To Future M:91-7359 662200
// Page:5 //
2.
3.
OR.
4.
5.
6.
Answer the following Questions. [Each carries 3 marks]
What is Noise ? State the effect of it and mention the measures to control it.
What is algal bloom ?
What are components of domestic sewage and industrial Effluents ?
Explain about PCR in short.
Kumar Prakashan Kendra Welcome To Future M:91-7359 662200
// Page:6 //
7.
8.
OR.
[C] [18]
9.
Explain Biopiracy.
Kumar Prakashan Kendra Welcome To Future M:91-7359 662200
// Page:7 //
10.
Explain parasitism in detail.
Explain competition in detail.
Mention type of nutrient cycling explaining it.
Kumar Prakashan Kendra Welcome To Future M:91-7359 662200
// Page:8 //
11.
OR.
12.
Write an explanatory note on Ex situ conservation.
Explain various factors which causes degradation of natural resources.
Kumar Prakashan Kendra Welcome To Future M:91-7359 662200
// Page:9 //
13.
14.
Answer the following Questions. [Each carries 4 marks]
Give information about bioreactors.
Give information about Bt cotton.
Kumar Prakashan Kendra Welcome To Future M:91-7359 662200
// Page:10 //
[D] [16]
15.
16.
Give information about production of Genetically Engineered Insulin.
Explain structure and functions of Ecosystem.
Kumar Prakashan Kendra Welcome To Future M:91-7359 662200
// Page:11 //
OR.
17.
Explain various types of ecological pyramids.
Kumar Prakashan Kendra Welcome To Future M:91-7359 662200
// Page:12 //
18.
Kumar Prakashan Kendra Welcome To Future M:91-7359 662200
// Page:13 //
Kumar Prakashan Kendra Welcome To Future M:91-7359 662200
// Page:14 //
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