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NEET • BIOLOGY • LIVING WORLD
Living world practice · Mixed difficulty
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Showing 151-152 of 152 questions
151
Medium
151 of 152
Analyzing
+4 | -1
Study the following regarding the preparation of herbarium
sheets.
(i) Plant should be collected in flowering stage.
(ii) Every detail regarding the plant such as locality,
ecological conditions, vegetative and floral characters,
etc. should be noted.
(iii) Plants are evenly pressed by unfolding all the plant
parts between blotting papers (or newspapers) with the
help of plant pressers.
(iv) Blotting papers need not be changed until the plant gets
dried.
(v) After drying, the plant specimen is carefully
mounted/pasted on the herbarium sheets.
(vi) The herbarium sheet is labeled on the lower right hand
corner representing the number of plant specimen, date
of collection etc.
Which of the above statement is/are not correct?
sheets.
(i) Plant should be collected in flowering stage.
(ii) Every detail regarding the plant such as locality,
ecological conditions, vegetative and floral characters,
etc. should be noted.
(iii) Plants are evenly pressed by unfolding all the plant
parts between blotting papers (or newspapers) with the
help of plant pressers.
(iv) Blotting papers need not be changed until the plant gets
dried.
(v) After drying, the plant specimen is carefully
mounted/pasted on the herbarium sheets.
(vi) The herbarium sheet is labeled on the lower right hand
corner representing the number of plant specimen, date
of collection etc.
Which of the above statement is/are not correct?
View answer and explanation
Correct option: A
(i) only
Option B ((iv) only) is correct because blotting papers need to be changed frequently during the drying process to ensure proper preservation.
152
Hard
152 of 152
Understanding
+4 | -1
Assertion (A): Species is an evolutionary unit
Reason (R): Having similarity in structural and functional characteristics
The correct option among the following is
Reason (R): Having similarity in structural and functional characteristics
The correct option among the following is
View answer and explanation
Correct option: A
Both A and R are true. R is correct explanation of A.
Option A is correct because species are evolutionary units due to their shared structural and functional characteristics, which allow them to adapt and evolve together.
Revision notes and key takeaways
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