marks:100 subject:12th-bio date:04/01/20 chapter:9,12,13 ...€¦ · which main dairy is located in...

21
Choose correct answer from the given alternatives and write it. [Each carries 1 Mark] What is not available in explant ? (A) Cell (B) Tissue (C) Hormone (D) Organ Who is known as father of white revolution ? (A) Fluxale (B) Kurian (C) Bentham (D) Hooks Identify the correct pair (A) Apiculture – Honeybee (B) Sericulture – Fish (C) Pisciculture – Silkworm (D) Aquaculture – Lakh worm The breed of chicken reared for eggs is called – (A) Broiler (B) Deoni (C) Murrah (D) Layer Which main dairy is located in Anand ? (A) Sagar dairy (B) Dudhsagar dairy (C) Amul dairy (D) Banas dairy Worker honey bees means....? (A) Fertile female (B) Fertile male (C) Infertile female (D) Infertile male The selected cell, tissue or organ is called : (A) Callus (B) Explant (C) Embryo (D) none of above Full form of IARI is : (A) Indian Agriculture Research Institute (B) International Agriculture Research Institute (C) Indian Apiculture Research Institute (D) International Apiculture Research Institute Select the appropriate option : Column - I Column - II (1) Worker Bee (p) Alone fertile female in colony (2) Queen Bee (q) Do reproduction only (3) Drone Bee (r) can take as a hybrid species directly (4) Santa gertudese (s) Unfertile female bee (A) 1-s, 2-p, 3-q, 4-r (B) 1-p, 2-r, 3-q, 4-s (C) 1-s, 2-q, 3-p, 4-r (D) 1-r, 2-s, 3-p, 4-q How many methods are there for animal breeding ? (A) 3 (B) 2 (C) 1 (D) 4 In which method, reproduction is done between the superior male of one species with the superior female of the other species ? (A) Inbreeding (B) Outbreeding (C) Bisexual hybridization (D) Interspecific hybridization Mule is formed by mating of ............. (A) male ass and female deer (B) male deer and female horse (C) male horse and female ass (D) male ass and female horse Who is the pioneer of 'White revolution' ? (A) Prof.Ayangar (B) Evano Vaski (C) Lewis Pasteur (D) Dr. Verges Kurian The birds which are reared for meat purpose are called : (A) Layers (B) Broilers (C) Cocks (D) Hen The dividing and undifferentiated cells are known as (A) Callus (B) Proembryo (C) Primordium (D) Embryo shrihari higher secondary school Marks:100 Subject:12th-Bio Chapter:9,12,13 12th 5th round Date:04/01/20 Time:3 hour [A] [50] 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. 11. 12. 13. 14. 15.

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Page 1: Marks:100 Subject:12th-Bio Date:04/01/20 Chapter:9,12,13 ...€¦ · Which main dairy is located in Anand ? (A) Sagar dairy (B) Dudhsagar dairy (C) Amul dairy(D) ... type of the targeted

11) Choose correct answer from the given alternatives and write it. [Each carries 1 Mark]

X

2 This is demo ans.

What is not available in explant ?

(A) Cell (B) Tissue (C) Hormone (D) Organ

Who is known as father of white revolution ?

(A) Fluxale (B) Kurian (C) Bentham (D) Hooks

Identify the correct pair

(A) Apiculture – Honeybee (B) Sericulture – Fish

(C) Pisciculture – Silkworm (D) Aquaculture – Lakh worm

The breed of chicken reared for eggs is called –

(A) Broiler (B) Deoni (C) Murrah (D) Layer

Which main dairy is located in Anand ?

(A) Sagar dairy (B) Dudhsagar dairy (C) Amul dairy (D) Banas dairy

Worker honey bees means....?

(A) Fertile female (B) Fertile male (C) Infertile female (D) Infertile male

The selected cell, tissue or organ is called :

(A) Callus (B) Explant (C) Embryo (D) none of above

Full form of IARI is :

(A) Indian Agriculture Research Institute (B) International Agriculture Research Institute

(C) Indian Apiculture Research Institute (D) International Apiculture Research Institute

Select the appropriate option :

Column - I Column - II

(1) Worker Bee (p) Alone fertile female

in colony

(2) Queen Bee (q) Do reproduction

only

(3) Drone Bee (r) can take as a hybrid

species directly

(4) Santa gertudese (s) Unfertile female bee

(A) 1 - s, 2 - p, 3 - q, 4 - r (B) 1 - p, 2 - r, 3 - q, 4 - s

(C) 1 - s, 2 - q, 3 - p, 4 - r (D) 1 - r, 2 - s, 3 - p, 4 - q

How many methods are there for animal breeding ?

(A) 3 (B) 2 (C) 1 (D) 4

) In which method, reproduction is done between the superior male of one species with the superior

female of the other species ?

(A) Inbreeding (B) Outbreeding

(C) Bisexual hybridization (D) Interspecific hybridization

107) Mule is formed by mating of .............

(A) male ass and female deer (B) male deer and female horse

(C) male horse and female ass (D) male ass and female horse

) Who is the pioneer of 'White revolution' ?

(A) Prof.Ayangar (B) Evano Vaski (C) Lewis Pasteur (D) Dr. Verges Kurian

) The birds which are reared for meat purpose are called :

(A) Layers (B) Broilers (C) Cocks (D) Hen

205) The dividing and undifferentiated cells are known as

(A) Callus (B) Proembryo (C) Primordium (D) Embryo

shrihari higher secondary schoolMarks:100 Subject:12th-Bio

Chapter:9,12,13 12th 5th round

Date:04/01/20

Time:3 hour

[A] [50]

1.

2.

3.

4.

5.

6.

7.

8.

9.

10.

11.

12.

13.

14.

15.

Page 2: Marks:100 Subject:12th-Bio Date:04/01/20 Chapter:9,12,13 ...€¦ · Which main dairy is located in Anand ? (A) Sagar dairy (B) Dudhsagar dairy (C) Amul dairy(D) ... type of the targeted

) Dwarf wheat varieties were evolved by

(A) M.S.Swaminathan (B) Gurudev S.Khush (C) Norman E.Borlaug (D) N.I. Vavilov

) Green revolution in India occurred during :

(A) 1960s (B) 1970s (C) 1980s (D) 1950s

30) Honeybee species reared most widely in India is

(A) Apis indica (B) Apis florea (C) Apis dorsata (D) Apis mellifera

) Aims of plant breeding are to produce

(A) Disease-free varieties (B) High-yielding varieties

(C) Early maturing varieties (D) All the above

) A milch breed of cattle quite common in Punjab. Haryana and Uttar Pradesh is

(A) Deoni (B) Sahiwal (C) Hallikar (D) Malvi

Name the cells responsible for forming insuline.

(A) a-cells (B) b-cells (C) d-cells (D) T-cells

Which protein is obtained from pentiade plandra Braziana ?

(A) Cry protein (B) Brazine (C) Brasica (D) GM-food

Who acts as simple model for discovery of treatment of human disease ?

(A) Birds (B) Monkeys (C) Transgenic animals (D) Rats

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

Product of biotechnology is

(A) Transgenic crop (B) Biofertilizer (C) Humulin (D) All the above

How many transgenic varieties of basmati rice are grown in India ?

(A) 2,00,000 (B) 50,000 (C) 1,000 (D) 27

Biopiracy is

(A) Exploitation of bioresources (B) Patenting bioresources of others

(C) Use of bioresources without authorization (D) Both B and C

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

Which of these is used as a vector for gene therapy is SCID and gene cloning in higher

organisms ?

(A) Retrovirus (B) Enterovirus (C) Arbovirus (D) Rotavirus

T-DNA for gene transfer is present in

(A) Bacillus thuringiensis (B) Meloidogyne incognitia

(C) Agrobacterium tumefaciens (D) E.coli

Fermentation ability of yeast is due to

(A) Amylase (B) Galactase (C) Zymase (D) Invertase

Enzymes used in detergents are

(A) Lipases (B) Proteases (C) Amylases (D) Gluco-isomerases

Most widely used bioweapon is

(A) Bacillus subtilis (B) Pseudomonas putida (C) Bacillus anthracis (D) None of these

An analysis of chromosomal DNA using the southern hybridisation technique doesn't use

(A) Electrophoresis (B) Blotting (C) Autoradiography (D) PCR

The gene involved in the process of formation of Bt cotton by genetic engineering ?

(A) 'ras gene' (B) 'myc gene' (C) 'cry gene' (D) 'Lac gene'

In cold climate, the animals have short tail, shorter limbs and ears, this is called

(A) Allen's Law (B) Bergman's (C) Cope's Law (D) Jordan's law

Who coined the term Ecology ?

(A) Odum (B) Ernest Haeckel (C) Arthur Tansley (D) Darwin

// Page:2 //

16.

17.

18.

19.

20.

21.

22.

23.

24.

25.

26.

27.

28.

29.

30.

31.

32.

33.

34.

35.

36.

37.

Page 3: Marks:100 Subject:12th-Bio Date:04/01/20 Chapter:9,12,13 ...€¦ · Which main dairy is located in Anand ? (A) Sagar dairy (B) Dudhsagar dairy (C) Amul dairy(D) ... type of the targeted

Answer the following Questions. [Each carries 2 marks]

Competition of species leads to

(A) Extinction (B) Mutation

(C) Greater number of niches (D) Symbiosis

The levels of biological organization in ecology are

(A) cell, organism, community, biosphere (B) organism, family, community, biome

(C) species, population, community ,biome (D) organism, population, community, biome

In tropical deserts, the temperature goes

(A) > 40 °C (B) > 60 °C (C) > 50 °C (D) > 70 °C

The organisms which thrive in a very narrow range of temperatures are known as

(A) Stenothermal (B) Poikilothermal (C) Homiothermal (D) Eurythermal

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 tolerant of a wide range of salinities are

(A) Salinitroph (B) Euryhaline (C) Salinohaline (D) Stenohaline

Thousands of migratory birds from Siberia visits which part of India ?

(A) Nal sarovar (B) Mann sarovar

(C) Keolado national park (D) Jim corbett national park

Thick layer of fat under the skin in aquatic mammals of polar sea

(A) Blubber (B) Flubber (C) Rubber (D) Stubber

The figure given below represents response of organisms to abiotic factors, what does A, B and C

represents

Inte

rna

lle

ve

l

External level

C

B

A

(A) A : Conformer B : Partial regulators C : Regulators

(B) A : Partial regulatorsB : Conformers,C : Regulators

(C) A : Regulators B : Partial regulatorsC : Conformers

(D) A : Conformers B : RegulatorsC : Partial regulators

In which interaction only one species is benefitted ?

(A) Mutualism (B) Competition

(C) Parasitism and predation (D) Amensalism

lichens are association of

(A) Bacteria and fungus (B) Algae and bacteria (C) Fungus and algae (D) Fungus and virus

Growth of a population of an area depends upon

(A) Natality (B) Immigration

(C) Environmental resistance (D) All of these

Microbes present in hydrothermal vents where the temperature far exceeds 100 °C is

(A) cyanobacteria (B) archaebacteria (C) eubacteria (D) none of these

What is animal breeding ? explain.

What is meant by the term ‘breed ?’ What are the objectives of animal breeding ?

Give information about pest resistant plants.

// Page:3 //

38.

39.

40.

41.

42.

43.

44.

45.

46.

47.

48.

49.

50.

[B] [16]

1.

2.

3.

Page 4: Marks:100 Subject:12th-Bio Date:04/01/20 Chapter:9,12,13 ...€¦ · Which main dairy is located in Anand ? (A) Sagar dairy (B) Dudhsagar dairy (C) Amul dairy(D) ... type of the targeted

Answer the following Questions. [Each carries 3 marks]

Answer the following Questions. [Each carries 4 marks]

How is gene therapy useful for diagnosis for various diseases ?

Explain the molecular diagnosis methods for diagnosis of disease.

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.

Explain single cell protein.

Give few examples of biofortified crops. What benefits do they offer to the society ?

Explain RNA interference.

Explain Biopiracy.

Give information about Bt cotton.

What are the factors affecting population growth ?

Explain competition in detail.

Explain parasitism in detail.

How is plant breeding for developing resistance to insect pests useful ?

How is plant breeding useful for improved food quality ?

Give information about production of Genetically Engineered Insulin.

How do organisms living in different habitat manage with stressful conditions ?

Explain in detail various abiotic factors which affect the habitat of the organisms ?

// Page:4 //

4.

OR.

5.

6.

7.

8.

[C] [18]

9.

10.

11.

12.

OR.

13.

14.

OR.

[D] [16]

15.

16.

17.

18.

OR.

Page 5: Marks:100 Subject:12th-Bio Date:04/01/20 Chapter:9,12,13 ...€¦ · Which main dairy is located in Anand ? (A) Sagar dairy (B) Dudhsagar dairy (C) Amul dairy(D) ... type of the targeted

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:9,12,13 12th 5th round

Date:04/01/20

Time:3 hour

Section [ A ] : 1 Mark MCQ

No Ans Chap Sec Que PageNo BookType

1 C Chap 9 F-A 3 Kumar

2 B Chap 9 F-A 7 Kumar

3 A Chap 9 F-A 9 Kumar

4 D Chap 9 F-A 13 Kumar

5 C Chap 9 F-A 14 Kumar

6 C Chap 9 F-A 32 Kumar

7 B Chap 9 F-A 35 Kumar

8 A Chap 9 F-A 62 Kumar

9 A Chap 9 F-A 64 Kumar

10 A Chap 9 F-A 87 Kumar

11 B Chap 9 F-A 100 Kumar

12 D Chap 9 F-A 107 Kumar

13 D Chap 9 F-A 143 Kumar

14 B Chap 9 F-A 152 Kumar

15 A Chap 9 F-B 205 Kumar

16 C Chap 9 F-B 216 Kumar

17 A Chap 9 F-B 225 Kumar

18 A Chap 9 F-B 230 Kumar

19 D Chap 9 F-B 235 Kumar

20 B Chap 9 F-B 238 Kumar

21 B Chap 12 F-A 4 Kumar

22 B Chap 12 F-A 9 Kumar

23 C Chap 12 F-A 11 Kumar

24 D Chap 12 F-A 13 Kumar

25 D Chap 12 F-A 18 Kumar

26 D Chap 12 F-A 19 Kumar

27 D Chap 12 F-A 21 Kumar

28 D Chap 12 F-A 29 Kumar

29 A Chap 12 F-A 30 Kumar

30 C Chap 12 F-A 35 Kumar

31 C Chap 12 F-A 39 Kumar

32 B Chap 12 F-A 40 Kumar

Page 6: Marks:100 Subject:12th-Bio Date:04/01/20 Chapter:9,12,13 ...€¦ · Which main dairy is located in Anand ? (A) Sagar dairy (B) Dudhsagar dairy (C) Amul dairy(D) ... type of the targeted

KU

MA

R PRA

KA

SHA

N K

END

RA

Kumar Prakashan Kendra Welcome To Future M:91-7359 662200

// Page:2 //

33 C Chap 12 F-A 46 Kumar

34 D Chap 12 F-A 61 Kumar

35 C Chap 12 F-A 86 Kumar

36 A Chap 13 F-A 7 Kumar

37 B Chap 13 F-A 8 Kumar

38 A Chap 13 F-A 15 Kumar

39 D Chap 13 F-A 21 Kumar

40 C Chap 13 F-A 25 Kumar

41 A Chap 13 F-A 27 Kumar

42 D Chap 13 F-A 28 Kumar

43 B Chap 13 F-A 29 Kumar

44 C Chap 13 F-A 37 Kumar

45 A Chap 13 F-A 46 Kumar

46 A Chap 13 F-A 61 Kumar

47 C Chap 13 F-A 63 Kumar

48 C Chap 13 F-A 67 Kumar

49 D Chap 13 F-A 70 Kumar

50 B Chap 13 F-A 77 Kumar

Section [ B ] : 2 Marks Questions

No Ans Chap Sec Que PageNo BookType

1 - Chap 9 A 4 Kumar

2 - Chap 9 D 3 Kumar

3 - Chap 12 A 4 Kumar

4 - Chap 12 A 6 Kumar

OR - Chap 12 A 7 Kumar

5 - Chap 12 A 9 Kumar

6 - Chap 13 A 2 Kumar

7 - Chap 13 A 9 Kumar

8 - Chap 13 A 15 Kumar

Section [ C ] : 3 Marks Questions

No Ans Chap Sec Que PageNo BookType

1 - Chap 9 A 18 Kumar

2 - Chap 9 E-C 21 Kumar

3 - Chap 12 A 4 Kumar

4 - Chap 12 A 11 Kumar

Page 7: Marks:100 Subject:12th-Bio Date:04/01/20 Chapter:9,12,13 ...€¦ · Which main dairy is located in Anand ? (A) Sagar dairy (B) Dudhsagar dairy (C) Amul dairy(D) ... type of the targeted

KU

MA

R PRA

KA

SHA

N K

END

RA

Kumar Prakashan Kendra Welcome To Future M:91-7359 662200

// Page:3 //

OR - Chap 12 A 3 Kumar

5 - Chap 13 A 7 Kumar

6 - Chap 13 A 13 Kumar

OR - Chap 13 A 12 Kumar

Section [ D ] : 4 Marks Questions

No Ans Chap Sec Que PageNo BookType

1 - Chap 9 A 16 Kumar

2 - Chap 9 A 17 Kumar

3 - Chap 12 A 5 Kumar

4 - Chap 13 A 4 Kumar

OR - Chap 13 A 3 Kumar

Page 8: Marks:100 Subject:12th-Bio Date:04/01/20 Chapter:9,12,13 ...€¦ · Which main dairy is located in Anand ? (A) Sagar dairy (B) Dudhsagar dairy (C) Amul dairy(D) ... type of the targeted

11) Choose correct answer from the given alternatives and write it. [Each carries 1 Mark]

X

2 This is demo ans.

What is not available in explant ?

(A) Cell (B) Tissue (C) Hormone (D) Organ

Who is known as father of white revolution ?

(A) Fluxale (B) Kurian (C) Bentham (D) Hooks

Identify the correct pair

(A) Apiculture – Honeybee (B) Sericulture – Fish

(C) Pisciculture – Silkworm (D) Aquaculture – Lakh worm

The breed of chicken reared for eggs is called –

(A) Broiler (B) Deoni (C) Murrah (D) Layer

Which main dairy is located in Anand ?

(A) Sagar dairy (B) Dudhsagar dairy (C) Amul dairy (D) Banas dairy

Worker honey bees means....?

(A) Fertile female (B) Fertile male (C) Infertile female (D) Infertile male

The selected cell, tissue or organ is called :

(A) Callus (B) Explant (C) Embryo (D) none of above

Full form of IARI is :

(A) Indian Agriculture Research Institute (B) International Agriculture Research Institute

(C) Indian Apiculture Research Institute (D) International Apiculture Research Institute

Select the appropriate option :

Column - I Column - II

(1) Worker Bee (p) Alone fertile female

in colony

(2) Queen Bee (q) Do reproduction

only

(3) Drone Bee (r) can take as a hybrid

species directly

(4) Santa gertudese (s) Unfertile female bee

(A) 1 - s, 2 - p, 3 - q, 4 - r (B) 1 - p, 2 - r, 3 - q, 4 - s

(C) 1 - s, 2 - q, 3 - p, 4 - r (D) 1 - r, 2 - s, 3 - p, 4 - q

How many methods are there for animal breeding ?

(A) 3 (B) 2 (C) 1 (D) 4

) In which method, reproduction is done between the superior male of one species with the superior

female of the other species ?

(A) Inbreeding (B) Outbreeding

(C) Bisexual hybridization (D) Interspecific hybridizationKumar Prakashan Kendra Welcome To Future M:91-7359 662200

Paper SolutionMarks:100 Subject:12th-Bio

Chapter:9,12,13 12th 5th round

Date:04/01/20

Time:3 hour

[A] [50]

1.

2.

3.

4.

5.

6.

7.

8.

9.

10.

11.

Page 9: Marks:100 Subject:12th-Bio Date:04/01/20 Chapter:9,12,13 ...€¦ · Which main dairy is located in Anand ? (A) Sagar dairy (B) Dudhsagar dairy (C) Amul dairy(D) ... type of the targeted

) In which method, reproduction is done between the superior male of one species with the superior

female of the other species ?

(A) Inbreeding (B) Outbreeding

(C) Bisexual hybridization (D) Interspecific hybridization

107) Mule is formed by mating of .............

(A) male ass and female deer (B) male deer and female horse

(C) male horse and female ass (D) male ass and female horse

) Who is the pioneer of 'White revolution' ?

(A) Prof.Ayangar (B) Evano Vaski (C) Lewis Pasteur (D) Dr. Verges Kurian

) The birds which are reared for meat purpose are called :

(A) Layers (B) Broilers (C) Cocks (D) Hen

205) The dividing and undifferentiated cells are known as

(A) Callus (B) Proembryo (C) Primordium (D) Embryo

) Dwarf wheat varieties were evolved by

(A) M.S.Swaminathan (B) Gurudev S.Khush (C) Norman E.Borlaug (D) N.I. Vavilov

) Green revolution in India occurred during :

(A) 1960s (B) 1970s (C) 1980s (D) 1950s

30) Honeybee species reared most widely in India is

(A) Apis indica (B) Apis florea (C) Apis dorsata (D) Apis mellifera

) Aims of plant breeding are to produce

(A) Disease-free varieties (B) High-yielding varieties

(C) Early maturing varieties (D) All the above

) A milch breed of cattle quite common in Punjab. Haryana and Uttar Pradesh is

(A) Deoni (B) Sahiwal (C) Hallikar (D) Malvi

Name the cells responsible for forming insuline.

(A) a-cells (B) b-cells (C) d-cells (D) T-cells

Which protein is obtained from pentiade plandra Braziana ?

(A) Cry protein (B) Brazine (C) Brasica (D) GM-food

Who acts as simple model for discovery of treatment of human disease ?

(A) Birds (B) Monkeys (C) Transgenic animals (D) Rats

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

Product of biotechnology is

(A) Transgenic crop (B) Biofertilizer (C) Humulin (D) All the above

Kumar Prakashan Kendra Welcome To Future M:91-7359 662200

// Page:2 //

12.

13.

14.

15.

16.

17.

18.

19.

20.

21.

22.

23.

24.

25.

Page 10: Marks:100 Subject:12th-Bio Date:04/01/20 Chapter:9,12,13 ...€¦ · Which main dairy is located in Anand ? (A) Sagar dairy (B) Dudhsagar dairy (C) Amul dairy(D) ... type of the targeted

How many transgenic varieties of basmati rice are grown in India ?

(A) 2,00,000 (B) 50,000 (C) 1,000 (D) 27

Biopiracy is

(A) Exploitation of bioresources (B) Patenting bioresources of others

(C) Use of bioresources without authorization (D) Both B and C

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

Which of these is used as a vector for gene therapy is SCID and gene cloning in higher

organisms ?

(A) Retrovirus (B) Enterovirus (C) Arbovirus (D) Rotavirus

T-DNA for gene transfer is present in

(A) Bacillus thuringiensis (B) Meloidogyne incognitia

(C) Agrobacterium tumefaciens (D) E.coli

Fermentation ability of yeast is due to

(A) Amylase (B) Galactase (C) Zymase (D) Invertase

Enzymes used in detergents are

(A) Lipases (B) Proteases (C) Amylases (D) Gluco-isomerases

Most widely used bioweapon is

(A) Bacillus subtilis (B) Pseudomonas putida (C) Bacillus anthracis (D) None of these

An analysis of chromosomal DNA using the southern hybridisation technique doesn't use

(A) Electrophoresis (B) Blotting (C) Autoradiography (D) PCR

The gene involved in the process of formation of Bt cotton by genetic engineering ?

(A) 'ras gene' (B) 'myc gene' (C) 'cry gene' (D) 'Lac gene'

In cold climate, the animals have short tail, shorter limbs and ears, this is called

(A) Allen's Law (B) Bergman's (C) Cope's Law (D) Jordan's law

Who coined the term Ecology ?

(A) Odum (B) Ernest Haeckel (C) Arthur Tansley (D) Darwin

Competition of species leads to

(A) Extinction (B) Mutation

(C) Greater number of niches (D) Symbiosis

The levels of biological organization in ecology are

(A) cell, organism, community, biosphere (B) organism, family, community, biome

(C) species, population, community ,biome (D) organism, population, community, biome

In tropical deserts, the temperature goes

(A) > 40 °C (B) > 60 °C (C) > 50 °C (D) > 70 °C

Kumar Prakashan Kendra Welcome To Future M:91-7359 662200

// Page:3 //

26.

27.

28.

29.

30.

31.

32.

33.

34.

35.

36.

37.

38.

39.

40.

Page 11: Marks:100 Subject:12th-Bio Date:04/01/20 Chapter:9,12,13 ...€¦ · Which main dairy is located in Anand ? (A) Sagar dairy (B) Dudhsagar dairy (C) Amul dairy(D) ... type of the targeted

In tropical deserts, the temperature goes

(A) > 40 °C (B) > 60 °C (C) > 50 °C (D) > 70 °C

The organisms which thrive in a very narrow range of temperatures are known as

(A) Stenothermal (B) Poikilothermal (C) Homiothermal (D) Eurythermal

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 tolerant of a wide range of salinities are

(A) Salinitroph (B) Euryhaline (C) Salinohaline (D) Stenohaline

Thousands of migratory birds from Siberia visits which part of India ?

(A) Nal sarovar (B) Mann sarovar

(C) Keolado national park (D) Jim corbett national park

Thick layer of fat under the skin in aquatic mammals of polar sea

(A) Blubber (B) Flubber (C) Rubber (D) Stubber

The figure given below represents response of organisms to abiotic factors, what does A, B and C

represents

Inte

rna

lle

ve

l

External level

C

B

A

(A) A : Conformer B : Partial regulators C : Regulators

(B) A : Partial regulatorsB : Conformers,C : Regulators

(C) A : Regulators B : Partial regulatorsC : Conformers

(D) A : Conformers B : RegulatorsC : Partial regulators

In which interaction only one species is benefitted ?

(A) Mutualism (B) Competition

(C) Parasitism and predation (D) Amensalism

lichens are association of

(A) Bacteria and fungus (B) Algae and bacteria (C) Fungus and algae (D) Fungus and virus

Growth of a population of an area depends upon

(A) Natality (B) Immigration

(C) Environmental resistance (D) All of these

Microbes present in hydrothermal vents where the temperature far exceeds 100 °C is

(A) cyanobacteria (B) archaebacteria (C) eubacteria (D) none of these

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// Page:4 //

41.

42.

43.

44.

45.

46.

47.

48.

49.

50.

Page 12: Marks:100 Subject:12th-Bio Date:04/01/20 Chapter:9,12,13 ...€¦ · Which main dairy is located in Anand ? (A) Sagar dairy (B) Dudhsagar dairy (C) Amul dairy(D) ... type of the targeted

Answer the following Questions. [Each carries 2 marks]

What is animal breeding ? explain.

What is meant by the term ‘breed ?’ What are the objectives of animal breeding ?

Give information about pest resistant plants.

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// Page:5 //

[B] [16]

1.

2.

3.

Page 13: Marks:100 Subject:12th-Bio Date:04/01/20 Chapter:9,12,13 ...€¦ · Which main dairy is located in Anand ? (A) Sagar dairy (B) Dudhsagar dairy (C) Amul dairy(D) ... type of the targeted

How is gene therapy useful for diagnosis for various diseases ?

Explain the molecular diagnosis methods for diagnosis of disease.

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// Page:6 //

4.

OR.

Page 14: Marks:100 Subject:12th-Bio Date:04/01/20 Chapter:9,12,13 ...€¦ · Which main dairy is located in Anand ? (A) Sagar dairy (B) Dudhsagar dairy (C) Amul dairy(D) ... type of the targeted

Answer the following Questions. [Each carries 3 marks]

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.

Explain single cell protein.

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// Page:7 //

5.

6.

7.

8.

[C] [18]

9.

Page 15: Marks:100 Subject:12th-Bio Date:04/01/20 Chapter:9,12,13 ...€¦ · Which main dairy is located in Anand ? (A) Sagar dairy (B) Dudhsagar dairy (C) Amul dairy(D) ... type of the targeted

Give few examples of biofortified crops. What benefits do they offer to the society ?

Explain RNA interference.

Explain Biopiracy.

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// Page:8 //

10.

11.

12.

Page 16: Marks:100 Subject:12th-Bio Date:04/01/20 Chapter:9,12,13 ...€¦ · Which main dairy is located in Anand ? (A) Sagar dairy (B) Dudhsagar dairy (C) Amul dairy(D) ... type of the targeted

Give information about Bt cotton.

What are the factors affecting population growth ?

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// Page:9 //

OR.

13.

Page 17: Marks:100 Subject:12th-Bio Date:04/01/20 Chapter:9,12,13 ...€¦ · Which main dairy is located in Anand ? (A) Sagar dairy (B) Dudhsagar dairy (C) Amul dairy(D) ... type of the targeted

Explain competition in detail.

Explain parasitism in detail.

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// Page:10 //

14.

OR.

Page 18: Marks:100 Subject:12th-Bio Date:04/01/20 Chapter:9,12,13 ...€¦ · Which main dairy is located in Anand ? (A) Sagar dairy (B) Dudhsagar dairy (C) Amul dairy(D) ... type of the targeted

Answer the following Questions. [Each carries 4 marks]

How is plant breeding for developing resistance to insect pests useful ?

How is plant breeding useful for improved food quality ?

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// Page:11 //

[D] [16]

15.

16.

Page 19: Marks:100 Subject:12th-Bio Date:04/01/20 Chapter:9,12,13 ...€¦ · Which main dairy is located in Anand ? (A) Sagar dairy (B) Dudhsagar dairy (C) Amul dairy(D) ... type of the targeted

Give information about production of Genetically Engineered Insulin.

How do organisms living in different habitat manage with stressful conditions ?

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// Page:12 //

17.

18.

Page 20: Marks:100 Subject:12th-Bio Date:04/01/20 Chapter:9,12,13 ...€¦ · Which main dairy is located in Anand ? (A) Sagar dairy (B) Dudhsagar dairy (C) Amul dairy(D) ... type of the targeted

Explain in detail various abiotic factors which affect the habitat of the organisms ?

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// Page:13 //

OR.

Page 21: Marks:100 Subject:12th-Bio Date:04/01/20 Chapter:9,12,13 ...€¦ · Which main dairy is located in Anand ? (A) Sagar dairy (B) Dudhsagar dairy (C) Amul dairy(D) ... type of the targeted

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// Page:14 //