CSS :: Agriculture Genetics Plant Breeding and Biotechnology
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For students in search of
- Hydroponic Gardening
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Guides - Basics to Experts level
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Growing fruit and vegetables hydroponically
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Practical daily questions or queries of hydroponics lovers
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Current Hydroponics and Indoor Gardening Market Growth as well as Trends
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61. |
At the molecular level point mutations are due to: |
A. |
Destruction of the bases |
B. |
Destruction of the double helix |
C. |
Shifting of a portion of the helix and bases |
D. |
Alterations of sequences of base in DNA |
Answer: Option D
Explanation:
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62. |
At the stage incipient plasmolysis the turgor pressure is: |
Answer: Option A
Explanation:
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63. |
At the stage of fully turgid cell, the suction pressure will be: |
A. |
Equal to wall pressure |
B. |
Zero |
C. |
Equal to osmotic pressure |
D. |
Maximum |
Answer: Option B
Explanation:
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64. |
ATP synthesis occurs in: |
A. |
Chloroplast |
B. |
Chloroplast and mitochondria |
C. |
Chloroplast, mitochomdria and muclei |
D. |
Mitochondria |
Answer: Option B
Explanation:
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65. |
Bacteria, protozoa and other living plants and animals are: |
A. |
Climatic factors |
B. |
Edaphic factors |
C. |
Biotic factors |
D. |
Topographic factors |
Answer: Option C
Explanation:
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66. |
Baldness in human being is a: |
A. |
Sex linked character |
B. |
Sex limited character |
C. |
Sex-influenced character |
D. |
None of the above |
Answer: Option C
Explanation:
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67. |
Barely is a ______ pollinated crop: |
A. |
Often-cross |
B. |
Self and cross |
C. |
Cross |
D. |
Self |
Answer: Option D
Explanation:
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68. |
Biffin in 1905 announced, that resistance to yellow rust of wheat is governed by ______ gene in crosses: |
A. |
Single dominant |
B. |
Single recessive |
C. |
Double dominant |
D. |
Double recessive |
Answer: Option B
Explanation:
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69. |
Binomial system of Nomenclature means that the name of plant is made up of two words, which designate: |
A. |
Family and genus |
B. |
Order and family |
C. |
Species and family |
D. |
Genus and species |
Answer: Option D
Explanation:
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70. |
Bread wheat is: |
A. |
Haploid |
B. |
Diploid |
C. |
Tetraploid |
D. |
Auto-allopolyploid |
Answer: Option D
Explanation:
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