61.
Most common disease of poultry in India is
A. fowl pox
B. tick fever
C. ranikhet
D. coryza
Answer & Explanation
Answer: Option C
Explanation:
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62.
Most abundant tissues of our body are
A. muscular B. connective
C. epithelial D. nervous
Answer & Explanation
Answer: Option B
Explanation:
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63.
Mumps is a disease caused by
A. fungus B. bacterium
C. virus D. None of these
Answer & Explanation
Answer: Option C
Explanation:
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64.
Rain water helps to increase the ____ to some extent.
A. phosphorous contents
B. nitrogen contents
C. calcium contents
D. potash contents
Answer & Explanation
Answer: Option C
Explanation:
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65.
Number of chromosomes in Down’s syndrome is
A. 46 B. 47
C. 48 D. 49
Answer & Explanation
Answer: Option B
Explanation:
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66.
Plants are killed in winter by frost
A. because of desiccation and mechanical damage to the tissues
B. because no photosynthesis takes place at such low temperature
C. because respiration ceases at such low temperature
D. because there is no transpiration
Answer & Explanation
Answer: Option A
Explanation:
No answer description available for this question.