46
. The bordeaux mixture was discovered in
1
1885
2
1875
3
1865
4
1855
47
NABARD was established in
1
1956
2
1966
3
1976
4
1986
48
MANAGE was established in
1
1986
2
1987
3
1988
4
1989
49
To be effective, extension works should be started from the
1
grassroot level
2
district level
3
state level
4
national level
50
In Ireland, the potato famine occurred in
1
1845
2
1945
3
1854
4
1645
51
Maximum genetic diversity of crop plants occurs where agriculture is
1
modern
2
rainfed
3
primitive
4
subsistence
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52
Natural resistance of Phytophthora infestans in potato is present in
1
Solarium tuberosum
2
Solarium acaule
3
Solarium stoloniferum
4
Solarium demissum
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53
The gynophore of groundnut is commonly known as
1
peg
2
penrith
3
moradesph
4
ovale
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54
CIMMYT is working primarily for
1
cotton
2
maize
3
wheat
4
rice
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55
Indian Standard Institute was established in
1
1948
2
1945
3
1947
4
1946
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56
The establishment of ICAR is based on the recommendation of
1
Famine Commission
2
Grow More Food Commission
3
Royal Commission of Agriculturet
4
Balwant Rai Mehta Commission
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Answer: Royal Commission of Agriculture
57
The optimum temperature for rotting of jute is
1
21 °C
2
30 °C
3
40 °C
4
34 °C
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58
According to Levitt, which of the following ions is responsible for stomatal movement?
1
Fe2 +
2
K+
3
Zn2+
4
Na +
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59
In light phase of photosynthesis, there is formation of
1
ATP
2
NADPH2
3
carbohydrates
4
both ATP and NADPH 2
View Answer
Answer: both ATP and NADPH 2
60
The isotope of carbon used extensively for studies in phytosynthesis is
1
12 C
2
14 C
3
13 C
4
16 C
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