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Choose the correct option.
In presence of high concentration of oxygen, RuBP carboxylase converts RuBP to ______.
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The sequential order in electron transport from PSII to PSI of photosynthesis is ______.
Concept: undefined >> undefined
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Answer the following question.
Explain why photosynthesis is considered the most important process in the biosphere.
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The functional unit of striated muscle is ______.
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A person slips from the staircase and breaks his ankle bone. Which bones are involved?
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Muscle fatigue is due to accumulation of _______.
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Which one of the following is NOT antagonistic muscle pair?
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Hyper-secretion of parathormone can cause which of the following disorders?
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Select correct option between two nasal bones
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Answer the following question.
Why a red muscle can work for a prolonged period whereas white muscle fibre suffers from fatigue after a shorter work?
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Write short notes on Myosin filament.
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Which is the dominant phase in Pteridophytes?
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In Bryophytes ______.
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How you place the pea, jowar and fern at its proper systematic position? Draw a flow chart.
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Complete the following table.
| Groups of algae | Chlorophyceae | Phaeophyceae | Rhodophyceae |
| 1. Stored food | Starch | ||
| 2. Cell Wall | Cellulose and algin | ||
| 3. Major pigments | Chl- a, d and Phycoerythrin |
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Differentiate between Dicotyledonae and Monocotyledonae based on the following characters:
- Type of roots
- Venation in the leaves
- Symmetry of flower
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Answer the following question.
We observe that land becomes barren soon after monsoon. But in the next monsoon it flourishes again with varieties we observed in season earlier. How you think it takes place?
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Fern is a vascular plant. Yet it is not considered a Phanerogams. Why?
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Chlamydomonas is microscopic whereas Sargassum is macroscopic; both are algae. Which characters of these plants includes them in one group?
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Answer the following question.
Which of the following nuts will not be enclosed in fruits? What are the peculiar characteristics of these plants? Betel nut/ Areca nut, pine nut, walnut, almond, cashew nut, nutmeg.
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