11. A specimen or element selected by a competent worker form the original material studied by the author to serve as a substitute for the holotype if the latter was not designated in the original publication or is lost or destroyed-
(a) Lectotype (b) Neotype
(c) Isotype (d) Paratype
12. Which technique is routinely used among plants for establishing genetic relationship-
(a) Amino acid sequence (b) Serological investigation
(c) Iso-enzyme profiling (d) Chromosome morphology
13. Numerical taxonomy is also referred as –
(a) Statistical taxonomy (b) Phenetics
(c) Computer aided taxonomy (d) All
14. Which is NOT a characteristic of numerical taxonomy-
(a) The greater the content of information in taxa of classification and the more character on which it is based, the better is classification
(b) Every character is of equal weight in creating natural taxa.
(c) Classification is based on percentage (%) similarity coefficient for each OTU.
(d) Phylogenetic inferences cannot be made form the taxonomic structure of a group and from character correlation.
15. Which technique is not utilized during DNA profiling-
(a) Restriction digestion (b) Electrophoresis
(c) Southern blotting (d) RFLP
16. For DNA fingerprinting the region of DNA used for study are the non-coding regions
of chromosome known as-
(a) VNTR (b) RFLP
(c) RAPD (d) All
17. Which is major factor contributing to loss of biodiversity?
(a) Habitat loss and fragmentation
(b) Introduced species
(c) Over exploitation of Plants and Animals
(d) Industrial agriculture and forestry
18. An International treaty designated to protect wildlife from being threatened by international trade was set up in 1975, it is known as-
(a) WTO (b) IUCN
(c) CITES (d) FAO
19. The diploid generation of the plant life cycle always
(a) produces spores.
(b) is called the gametophyte
(c) is larger and more conspicuous than the haploid stage
(d) develops from a spore
20. The diploid sporophyte stage is dominant in the life cycles of all of the following except
(a) a pine tree (b) a dandelion.
(c) a rose bush (d) a moss
Answer
11. (a) 12. (a) 13. (d) 14. (d) 15. (d) 16. (a) 17. (a) 18. (b) 19. (c) 20. (d)
