MCQ | GENETIC CONSERVATION AND NEW CROP
- Which is more suitable for germplasm collection
(a) Centre of production (b) Homelands
(c) Tropical areas (d) Temperate areas
- Tropical forests are being lost at the annual rate of
(a) 11 million ha/yr (b) 110 million ha/yr
(c) 1 million ha/yr (d) 1100 million ha/yr
- Potato famine of Ireland occured in
(a) 1645 (b) 1745
(c) 1845 (d) 1854
- Paraguay Tea is got from
(a) Leaves of Ilex
(b) Seeds of Ilex
(c) Leaves of Paullinia
(d) Paste of crushed kernels of Paullinia
- Vavilov’s centres of origin of crop plants are located in
[CPMT 1985]
(a) Tropical plains
(b) Mountains of tropical areas
(c) Mountains of temperate areas
(d) Both (b) and (c)
- Exchange of germplasm is carried mostly through shoot tips because it is [APMEE 1988]
(a) Cheap (b) Small and handy
(c) Virus free (d) Genetically stable
- Offsite collections are part of [MP PMT 1989]
(a) Ex-situ conservation (b) In situ conservation
(c) Both (a) and (b) (d) Neither (a) nor (b)
- National Botanical Research Centre is located at
[CPMT 1995; APMEE 1996; DPMT 1999]
(a) Lucknow (b) Calcutta
(c) Delhi (d) Mumbai
- Which is correct about centre of origin of a crop plant
[CBSE PMT 2001]
(a) More frequency of dominant genes
(b) More diversity in improved variety
(c) More favourable climatic condition
(d) None of the above
1 | b | 2 | a | 3 | c | 4 | a | 5 | b |
6 | c | 7 | a | 8 | a | 9 | a |
- (a) Ilex paraguriensis is source of paraguay tea. It’s leaves dried fire and crushed.
- (c) Shoot tip culture maintains virus free plant. It is used for international exchange of germplasm is vegetatively multiplied cultivars, e.g., Banana, Potato.
- (a) Ex situ conservation includes offsite collections and gene banks.
- (a) The centres of origin of plants are more appropriately called the centres of diversity. These are the areas of maximum diversity of these species.
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