A certain wire \(A\) has resistance \(81\) \(\Omega\). The resistance of another wire \(B\) of the same material and equal length but of diameter thrice the diameter of \(A\) will be:
1.
\(81\) \(\Omega\)
2.
\(9\) \(\Omega\)
3.
\(729\) \(\Omega\)
4.
\(243\) \(\Omega\)
Subtopic: Derivation of Ohm's Law |
73%
From NCERT
NEET - 2023
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Match List - I with List - II
Choose the correct answer from the options given below:
| List - I | List - II | ||
| (A) | Hydrarch succession | (I) | Gradual change in the species composition |
| (B) | Xerarch succession | (II) | Faster and climax reached quickly |
| (C) | Ecological succession | (III) | Lichens to mesic conditions |
| (D) | Secondary succession | (IV) | Phytoplankton to mesic conditions |
| Options: | (A) | (B) | (C) | (D) |
| 1. | IV | II | III | I |
| 2. | III | I | IV | II |
| 3. | I | IV | II | III |
| 4. | IV | III | I | II |
Subtopic: Ecological Succession (OLD NCERT) |
72%
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NEET - 2023
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Subtopic: Flower & Parts of Flower |
81%
From NCERT
NEET - 2023
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Match List - I with List - II
Choose the correct answer from the options given below:
| List - I | List - II | ||
| (A) | Chlorophyll a | (I) | Yellow to yellow orange |
| (B) | Chlorophyll b | (II) | Yellow green |
| (C) | Xanthophyll | (III) | Blue green |
| (D) | Carotenoids | (IV) | Yellow |
| Options: | (A) | (B) | (C) | (D) |
| 1. | III | II | IV | I |
| 2. | III | I | IV | II |
| 3. | II | III | I | IV |
| 4. | IV | III | II | I |
Subtopic: Pigments |
81%
From NCERT
NEET - 2023
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Nitrates and phosphates flowing from agricultural farms into water bodies are a significant cause of:
| 1. | Eutrophication | 2. | Humification |
| 3. | Mineralisation | 4. | Stratification |
Subtopic: Water Pollution |
66%
From NCERT
NEET - 2023
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Match List - I with List - II
Choose the correct answer from the options given below:
| List - I | List - II | ||
| (Type of cross) | (Phenotypic ratio) | ||
| (A) | Monohybrid cross | (I) | 1:1 |
| (B) | Dihybrid cross | (II) | 1:2:1 |
| (C) | Incomplete dominance | (III) | 3:1 |
| (D) | Test cross | (IV) | 9:3:3:1 |
| Options: | (A) | (B) | (C) | (D) |
| 1. | III | IV | II | I |
| 2. | II | IV | III | I |
| 3. | II | III | IV | I |
| 4. | IV | III | I | II |
Subtopic: Monohybrid Cross: Further Understanding | Dihybrid Cross: General Consideration | Dihybrid Cross: Details | Dominance Deviation from Mendel: 1 | Dominance Deviation from Mendel: 2 |
82%
From NCERT
NEET - 2023
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Subtopic: Kreb's Cycle |
70%
From NCERT
NEET - 2023
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The dissolution of synaptonemal complex occurs during:
| 1. | Pachytene | 2. | Diplotene |
| 3. | Diakinesis | 4. | Leptotene |
Subtopic: Cell Cycle: Meiosis I |
75%
From NCERT
NEET - 2023
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Identify the correct statements regarding Mass flow hypothesis.
Choose the correct answer from the options given below:
| A: | Mass flow is faster than diffusion. |
| B: | Mass flow is the result of pressure difference between the end points. |
| C: | Different substances involved in mass flow move at different paces. |
| D: | Mass flow can result through either a positive or a negative hydrostatic pressure gradient. |
| 1. | (A), (C), (D) only | 2. | (B), (C), (D) only |
| 3. | (A), (B), (C) only | 4. | (A), (B), (D) only |
Subtopic: The Pressure Flow or Mass Flow Hypothesis |
From NCERT
NEET - 2023
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Doubling of the number of chromosomes can be achieved by disrupting mitotic cell division soon after:
| 1. | Anaphase | 2. | Telophase |
| 3. | Prophase | 4. | Metaphase |
Subtopic: Cell Division: Mitosis (Karyokinesis) |
NEET - 2023
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