Which of the following are true about the taxonomical aid 'key' ?
a.
Keys are based on the similarities and dissimilarities.
b.
Key is analytical in nature.
c.
Keys are based on the contrasting characters in pair called couplets.
d.
Same key can be used for all taxonomic categories.
e
Each statement in the key is called Lead.
Choose the most appropriate answer from the options given below :
1. (a), (b) and (c) only
2. (b), (c) and (d) only
3. (a), (b), (c) and (e) only
4. (a), (c), (d) and (e) only
1. leo is generic name
2. Panthera is specific epithet
3. Both words should be underlined separately if they are handwritten
4. leo starts with small letter to show its Latin origin
(a) Used for identification of plants and animals based on similarities and dissimilarities.
(b) Are generally analytical in nature.
1. Flora
2. Monograph
3. Taxonomic keys
4. Manual
1. Flora – Actual account of distribution of plants of a given area
2. Manual – Useful in providing information for identification of names of various species found in an area
3. Monograph – Contains information of all plant species found in a particular area.
4. Taxonomic keys – Analytical in nature.
1. Makoi
2. Mango
3. Potato
4. Wheat
1. Increases the body mass
2. Is intrinsic
3. Takes place by accumulation of material on the surface only
4. Takes place in multicellular organisms only.
Jahi McMath was a thirteen-year-old girl who was declared brain dead in California following surgery in 2013. This led to a bioethical debate engendered by her family's rejection of the medicolegal findings of death in the case, and their efforts to maintain her body using mechanical ventilation and other measures. Her parents considered these measures to constitute life support, while her doctors considered this to be futile treatment of a deceased person. The family also claims that the hospital pressured them to donate McMath's organs. What will be true for ‘brain dead’ cases?
I: In brain death there is no chance of recovery because body of a brain dead person is unable to survive without artificial life support.
II.The difference between brain death and a vegetative state is that it's possible to recover from a vegetative state, but brain death is permanent.
III. After brain death, it may be possible for the person's organs to be used in transplants.
| 1. Only I and II | 2. Only I and III |
| 3. Only II and III | 4. I, II and III |
Given below is an article from a Newspaper using the word ‘growth’ for the trash at a dump site in New Delhi:
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Consider the two statements below:
I: The term ‘grow’ is incorrect for the trash at the dump site.
II: The growth seen in the trash is by accumulation of material on the surface.
1. Both I and II are correct but II does not explain I.
2. Both I and II are correct and II explains I.
3. Both I and II are incorrect.
4. I is incorrect but II is correct.
Look at a sample of a Herbarium Sheet given in the diagram and select the correct statements regarding a herbarium:
I: Herbarium specimens are accompanied by a label that indicates the location where the plant was growing, the collector and the date collected.
II: Most herbaria utilize a standard system of organizing their specimens into herbarium cases.
| 1. Only I | 2. Only II |
| 3. Both I and II | 4. Neither I nor II |
1. No non-living object is capable of reproducing or replicating by itself.
2. Organisms reproduce by asexual means also.
3. There are many organisms which do not reproduce.
4. In true regeneration, fragmented organism regenerates the lost parts of its body and becomes a new organism.
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