Q. No.Which stage of meiosis can last for months or years in the oocytes of some vertebrates?
| 1. | Leptotene | 2. | Pachytene |
| 3. | Diplotene | 4. | Diakinesis |
Subtopic: Cell Cycle: Meiosis I |
88%
From NCERT
NEET - 2022
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When one CO2 molecule is fixed as one molecule of triose phosphate, which of the following photochemically made, high energy chemical intermediates are used in the reduction phase?
| 1. | 1 ATP + 1 NADPH | 2. | 1 ATP + 2 NADPH |
| 3. | 2 ATP + 1 NADPH | 4. | 2 ATP + 2 NADPH |
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NEET - 2022
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Subtopic: Gene Regulation: Lac Operon |
90%
From NCERT
NEET - 2022
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Initiation of lateral roots and vascular cambium during secondary growth takes place in cells of :
| 1. | Epiblema | 2. | Cortex |
| 3. | Endodermis | 4. | Pericycle |
Subtopic: Secondary Growth in Root (OLD NCERT) |
81%
From NCERT
NEET - 2022
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Match List-I with List -II:
Choose the correct answer from the options given below:
| List- I | List-II |
| (a) Adenine | (i) Pigment |
| (b) Anthocyanin | (ii) Polysaccharide |
| (c) Chitin | (iii) Alkaloid |
| (d) Codeine | (iv) Purine |
| (a) | (b) | (c) | (d) | |
| 1. | (iv) | (i) | (ii) | (iii) |
| 2. | (iv) | (iii) | (ii) | (i) |
| 3. | (iii) | (i) | (iv) | (ii) |
| 4. | (i) | (iv) | (iii) | (ii) |
Subtopic: Element Analysis |
90%
From NCERT
NEET - 2022
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The number of time(s) decarboxylation of isocitrate occurs during single TCA cycle is :
| 1. | One | 2. | Two |
| 3. | Three | 4. | Four |
Subtopic: Kreb's Cycle |
67%
From NCERT
NEET - 2022
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Match List-I with List- II
Choose the correct answer from the options given below :
| List -I | List -II |
| (a) In lac operon i gene codes for | (i) transacetylase |
| (b) In lac operon z gene codes for | (ii) permease |
| (c) In lac operon y gene codes for | (iii) \(\beta-\)galactosidase |
| (d) In lac operon a gene codes for | (iv) Repressor |
| (a) | (b) | (c) | (d) | |
| 1. | (iii) | (ii) | (i) | (iv) |
| 2. | (iv) | (iii) | (ii) | (i) |
| 3. | (iv) | (i) | (iii) | (ii) |
| 4. | (iii) | (i) | (iv) | (ii) |
Subtopic: Gene Regulation: Lac Operon |
90%
From NCERT
NEET - 2022
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Match List-I with List-II
Choose the correct answer from the options given below :
| List-I | List-II |
| (a) Chlamydomonas | (i) Moss |
| (b) Cycas | (ii) Pteridophyte |
| (c) Selaginella | (iii) Alga |
| (d) Sphagnum | (iv) Gymnosperm |
| (a) | (b) | (c) | (d) | |
| 1 | (iii) | (i) | (ii) | (iv) |
| 2 | (iii) | (iv) | (ii) | (i) |
| 3 | (iii) | (ii) | (i) | (iv) |
| 4 | (ii) | (iii) | (i) | (iv) |
Subtopic: Classification System: II |
90%
From NCERT
NEET - 2022
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The pioneer species in a hydrarch succession are :
| 1. | Free-floating angiosperms | 2. | Submerged rooted plants |
| 3. | Phytoplanktons | 4. | Filamentous algae |
Subtopic: Ecological Succession (OLD NCERT) |
76%
From NCERT
NEET - 2022
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Which of the following growth regulators is an adenine derivative ?
| 1. | Auxin | 2. | Cytokinin |
| 3. | Ethylene | 4. | Abscisic acid |
Subtopic: Growth Hormones & Auxin |
81%
From NCERT
NEET - 2022
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