While trying to find out the characteristic of a newly found animal, a researcher did the histology of adult animal and observed a cavity with presence of mesodermal tissue towards the body wall but no mesodermal tissue was observed towards the alimentary canal. What could be the possible coelome of that animal?
| 1. | Schizocoelomate | 2. | Spongocoelomate |
| 3. | Acoelomate | 4. | Pseudocoelomate |
Subtopic: Basis of Classification |
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Level 2: 60%+
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Given below are two statements :
In the light of the above statements, choose the correct answer from the options given below:
| Statement I : | In a floral formula, \(\oplus\) stands for zygomorphic nature of the flower, and G stands for inferior ovary. |
| Statement II: | In a floral formula, \(\oplus\) stands for actinomorphic nature of the flower and G stands for superior ovary. |
In the light of the above statements, choose the correct answer from the options given below:
| 1. | Statement I is correct but Statement II is incorrect |
| 2. | Statement I is incorrect but Statement II is correct |
| 3. | Both Statement I and Statement II are correct |
| 4. | Both Statement I and Statement II are incorrect |
Subtopic: Semi Technical Description |
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Given below are two statements:
In the light of the above statements, choose the most appropriate answer from the options given below:
| Statement I: | In an ecosystem, there is unidirectional flow of energy of sun from producers to consumers. |
| Statement II: | Ecosystems are exempted from 2nd law of thermodynamics. |
In the light of the above statements, choose the most appropriate answer from the options given below:
| 1. | Statement I is correct but statement II is incorrect |
| 2. | Statement I is incorrect but statement II is correct |
| 3. | Both statement I and statement II are correct |
| 4. | Both statement I and statement II are incorrect |
Subtopic: Energy Flow |
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Which of the following is the unit of productivity of an ecosystem?
1. \(\mathrm{KCal} \mathrm{~m}^{-3} \)
2. \(\left(\mathrm{KCal} \mathrm{~m}^{-2}\right) \mathrm{yr}^{-1} \)
3. \(\mathrm{gm}^{-2}\)
4. \(\mathrm{KCal} \mathrm{~m}^{-2}\)
1. \(\mathrm{KCal} \mathrm{~m}^{-3} \)
2. \(\left(\mathrm{KCal} \mathrm{~m}^{-2}\right) \mathrm{yr}^{-1} \)
3. \(\mathrm{gm}^{-2}\)
4. \(\mathrm{KCal} \mathrm{~m}^{-2}\)
Subtopic: Ecosystem Productivity |
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With the help of the given pedigree, find out the probability for the birth of a child having no disease and being a carrier (has the disease mutation in one allele of the gene) in \(F_3\) generation.
| 1. | 1/8 | 2. | Zero |
| 3. | 1/4 | 4. | 1/2 |
Subtopic: Pedigree Analysis: Problem Solving |
Level 3: 35%-60%
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In the seeds of cereals, the outer covering of endosperm separates the embryo by a protein-rich layer called:
| 1. | Integument | 2. | Aleurone layer |
| 3. | Coleoptile | 4. | Coleorhiza |
Subtopic: Seed |
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Match List-I with List-II:
| List-I | List-II | ||
| A. | Chlorophyll a | I. | Yellow-green |
| B. | Chlorophyll b | II. | Yellow |
| C. | Xanthophylls | III. | Blue-green |
| D. | Carotenoids | IV. | Yellow to Yellow-orange |
Choose the option with all correct matches:
| 1. | A-I, B-II, C-IV, D-III | 2. | A-I, B-IV, C-III, D-II |
| 3. | A-III, B-IV, C-II, D-I | 4. | A-III, B-I, C-II, D-IV |
Subtopic: Pigments |
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Level 1: 80%+
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Who proposed that the genetic code for amino acids should be made up of three nucleotides?
| 1. | Jacque Monod | 2. | Franklin Stahl |
| 3. | George Gamow | 4. | Francis Crick |
Subtopic: Genetic Code |
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Level 2: 60%+
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Histones are enriched with
1. Phenylalanine & Leucine
2. Phenylalanine & Arginine
3. Lysine & Arginine
4. Leucine & Lysine
1. Phenylalanine & Leucine
2. Phenylalanine & Arginine
3. Lysine & Arginine
4. Leucine & Lysine
Subtopic: DNA Packaging |
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Level 1: 80%+
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Which of the following enzyme(s) are NOT essential for gene cloning?
A. Restriction enzymes
B. DNA ligase
C. DNA mutase
D. DNA recombinase
E. DNA polymerase
Choose the correct answer from the options given below:
A. Restriction enzymes
B. DNA ligase
C. DNA mutase
D. DNA recombinase
E. DNA polymerase
Choose the correct answer from the options given below:
| 1. | D and E only | 2. | B and C only |
| 3. | C and D only | 4. | A and B only |
Subtopic: Tools |
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Level 2: 60%+
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