Q1
mcq
Coleorhiza is found in :
- A. Pea
- B. Paddy
- C. Tridax
- D. Bean
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Q2
mcq
Match the following : (1) Totipotency (i) Reversion of mature cells into meristem (2) Dedifferentiation (ii) Biochemical and structural changes of cells (3) Explant (iii) Properties of living cells that develops into entire plant (4) Differentiation (iv) Selected plant tissue transferred to culture medium
- A. (1)-(ii), (2)-(i), (3)-(iv), (4)-(iii)
- B. (1)-(iii), (2)-(i), (3)-(iv), (4)-(ii)
- C. (1)-(iv), (2)-(ii), (3)-(iii), (4)-(i)
- D. (1)-(i), (2)-(iii), (3)-(ii), (4)-(iv)
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Q3
mcq
Which of the following are not regulating services of ecosystem services ? (i)Genetic resources (ii)Recreation and aesthetic values (iii)Invasion resistance (iv)Climatic regulation
- A. (i) and (ii)
- B. (i) and (iii)
- C. (i) and (iv)
- D. (ii) and (iv)
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Q4
mcq
Removal of introns and joining of exons in a defined order during transcription is called :
- A. Inducing
- B. Splicing
- C. Slicing
- D. Looping
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Q5
mcq
In majority of the plants, pollen is liberated at :
- A. 3 celled stage
- B. 1 celled stage
- C. 4 celled stage
- D. 2 celled stage
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Q6
mcq
Read the following statements and fill up the blanks with correct option. (i)Total water content in soil is called __________. (ii)Water not available to plants is called __________. (iii)Water available to plants is called __________.
- A. Chresard Echard Holard
- B. Holard Echard Chresard
- C. Holard Chresard Echard
- D. Echard Holard Chresard
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Q7
mcq
Assertion: Turmeric fights various kinds of cancer. Reason : Curcumin is an anti-oxidant present in turmeric.
- A. Both Assertion and Reason are correct
- B. Assertion is correct, Reason is wrong
- C. Both Assertion and Reason are wrong
- D. Assertion is wrong, Reason is correct
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Q8
mcq
Which Mendelian idea is depicted by a cross in which the F 1 generation resembles both the parents ?
- A. Inheritance of one gene
- B. Incomplete dominance
- C. Co-dominance
- D. Law of dominance
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Q9
mcq
Dwarfing gene of wheat is :
- A. Norin 10
- B. Pal I
- C. Pelita 2
- D. Atomita I
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Q10
mcq
Dihybrid test cross ratio is :
- A. 1 : 2 : 1
- B. 9 : 3 : 3 : 1
- C. 1 : 1
- D. 1 : 1 : 1 : 1
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Q11
mcq
Restriction enzymes are :
- A. Not always required in genetic engineering.
- B. Essential tool in genetic engineering.
- C. Nucleases that cleave DNA at specific sites.
- D. Both (b) and (c)
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Q12
mcq
The International Ozone day is :
- A. June 05
- B. March 21
- C. September 16
- D. May 22
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Q13
mcq
In which techniques Ethidium Bromide is used ?
- A. Polymerase Chain Reaction
- B. Southern Blotting Techniques
- C. Agarose Gel Electrophoresis
- D. Western Blotting Techniques
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Q14
mcq
One green house gas contributes 20% of total global warming and another contributes 60%. These are respectively identified as :
- A. CH_4 and CO_2
- B. N_2O and CO_2
- C. CH_4 and CFCs
- D. CFCs and N_2O
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Q15
mcq
The active principle trans-tetra hydro canabinal is present in :
- A. Marijuana
- B. Opium
- C. Andrographis
- D. Curcuma
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Q16
short answer
2 marks
Name the chemicals used in gene transfer.
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Q17
short answer
2 marks
Give four examples of plants cultivated in commercial agroforestry.
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Q19
short answer
2 marks
Construct the food chain with the following data. Hawk, plants, frog, snake, grasshopper
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Q21
short answer
2 marks
How do Dioscorea reproduces vegetatively ?
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Q22
short answer
2 marks
Differentiate between primary introduction and secondary introduction.
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Q23
short answer
2 marks
What is the difference between missense and nonsense mutation ?
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Q24
long answer
2 marks
Draw and label the parts of cut opened dicot seed.
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Q25
short answer
3 marks
What is vivipary ? Name a plant group which exhibits vivipary.
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Q27
short answer
3 marks
Write the plants that are found in sub-alpine forests.
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Q28
short answer
3 marks
Write the salient features of Sutton and Boveri concept.
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Q29
short answer
3 marks
What are the advantages of seed dispersal ?
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Q30
short answer
3 marks
A person got irritation while applying chemical dye. What would be your suggestion for alternative ? Write its any two uses.
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Q31
short answer
3 marks
Compare the various types of Blotting techniques.
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Q32
short answer
3 marks
Name the seven contrasting traits studied by Mendel.
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Q33
short answer
3 marks
Write a short note on Sterilization of Explants in plant tissue culture.
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Q34
long answer
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Q35
long answer
Mention the name of man-made cereal. How it is formed ?
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Q36
long answer
Describe dominant epistasis with an example.
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Q37
long answer
Enumerate the characteristic features of Entomophilous flowers.
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Q39
long answer
What is soil profile ? Explain about the different soil horizons.
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Q40
long answer
List the ways by which seeds can be stored for longer duration.
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Q41
long answer
Write in detail about the protocol for artificial seed preparation and its advantages.
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Q42
long answer
Write the steps involved in recombinant DNA technology.
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Q43
long answer
Tabulate the differences between primary and secondary succession.
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Q44
long answer
Explain the DNA replication in eukaryotes.
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