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11
The bracketed key for determining sub-class, is based on the principle where leads are arranged
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Answer: Option A
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12
Which of the following is a stem?
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Answer: Option B
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13
Match List-I (Types of root apex organisation) with List-II (Arrangement of cells) and select the correct answer:
List-I List-II
a. Type A 1. There are two sets of initials, one forming the central cylinder, the other forming the cortex and root cap
b. Type B 2. Meristems are differentiated into three tiers of initials, one forming the central cylinder, the second forming the cortex and the third the epidermis and the root cap
c. Type C 3. All parts of the root arise from a common initial region
d. Type D 4. All tissues are derived either from a single apical cell or from several initials arranged in one tier
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Answer: Option C
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14
Which of the following is the eatable part of turmeric paInt?
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Answer: Option B
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15
The secondary phloem of gymnosperms lacks
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Answer: Option B
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16
When fusiform cells are arranged in horizontal rows with the ends of the cells at the same level, it is called
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Answer: Option C
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17
The formation of basidia, the dikaryotic mycelium, the dolipore septum with the parenthesomes guarding the pore on both sides and clamp connections are the four diagonistic features of the class
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Answer: Option B
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18
The structural elements of almost all bacterial cell walls include
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Answer: Option D
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19
In which of the following algae there develops soft, gelatinous areas between the cells, breaking the filament into hormogonia?
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Answer: Option A
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20
The exarch position of the xylem in the root
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Answer: Option B
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