Tuesday 27 January 2015

Evolution

Evolution
1. what is meant by variation…….
(a) evolution  (b)difference among individuals (c)change in life
2. Phenotypic variations are……..
(a)change in physical appearance (b)change in genetic makeup
(c) change in environment               (d)change in embryo
3. Continous variation will be…….
(a)Qualitative (b) measureable (c) Quantitative (d) None
4. Qualitative measurement includes in……
(a)Continous variation (b)discontinous variation
(c) genetics variation    (d)Developmental variations
5. Developmental changes occur in stages…
(a)Juviline-adult (b)adult (c)both (d) none
6. variation may be shown in…..
(a)physical appearance (b)metabolism 
(c) mode of reproduction (d)All
7. Concept of variation firstly proposed by…..
(a)Darwin (b)Lamarck (c)Whittaker (d)None
8.The concept of variation was published in the book…..
(a)Origin of species (b) Plant taxonomy
(c) Evolution of angiosperms (d) none of these
9. Enviromental variation occurs due to….
(a)Stress (b) temperature (c) salinity (d) all
10. The concept of variation was proposed in….
(a) 1760 (b) 1859  (c)1880 (d)1866
11. Types of variation are….
(a)Continuous & discontinuous (b) continuous
 (c)discontinuous            (d)none
12. Continous variation is smoothly grading b/w two…
(a)Individuals (b) populations (c) species (d) Extremes
13. Hieght in human population is example of….
(a)continuous variation (b)Quantitative variation
(c)Discontinuous variation (d) both a & b
14. Qualitative variations are composed of…..
(a)Individual (b) species (c) none (d) populations
15.Example of discontinuous variation are……
(a)height (b)blood group (c)Fertility (d)None
16.Well-defined classes include in…
(a)qualitative (b)continuous (c)population (d)species
17.polymorphic variation is…..
(a)continuous variation (b)Variation with several classes none of which is small (c) both  (d) discontinuous
18.climate may effect….
(a)genetic variations (b)polymorphic variations
(c)environmental variation (d)developmental variation
19.Example of polymorphic variations…..
(a)different vegetations (b)higher organisms (c)heredity
20.enviromental variation do not involve….
(a)mutations (b)chromosomal changes
 (c)hereditary alterations (d)All
21.Variations caused by nuclear genes are…..
(a)environmental (b)genetic (c)developmental
22.red huckleberry is native to…
(a) Western America (b)north America (c)western north America
23.Juvinile leaves of Vaccinium parvifolium is….
(a) dark yellow (b) dark green (c)light green (d)smooth
24.Presence of differently shaped leaves on the same shoot defines the term……
(a)heterophylly (b)sporophll (c)systematics (d)stachyosporous
25. Recombination & mutation may effect….
(a)developmental variations (b) genetic variations
(c)both of these               



1 comment:

  1. Can you make mcqs on leaf gaps leaf trace branch gap and branch trace??

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