Please select a subject first
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Match the column A with B and rewrite correct pairs.
| A | B | |
| i. | Symbiotic N2 fixing bacteria | VAM |
| ii. | Free-living N2 fixing bacteria | Rhizobium |
| iii. | Phosphate solubilizer | Nostoc |
| iv. | Endomycorrhizae | Microccocus |
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Describe the structure of sex chromosomes with the help of labelled diagram.
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Explain the structure of chromosomes with labelled diagram.
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Draw diagrammatic representation of cardiac cycle. Explain ventricular systole.
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Which one of the following is not a nitrogen-fixing organism?
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Briefly describe the following:
Angina Pectoris
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Abscission means ______.
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Match the pairs:
| Column A | Column B | ||
| (i) | Compost making biofertilizer |
(a) | Azotobacter |
| (ii) | N2 fixing biofertilizer | (b) | Mycorrhiza |
| (iii) | Fungal biofertilizer | (c) | Agrobacterium |
| (iv) | Phosphate solubilizing biofertilizer |
(d) | Actinobocteria |
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Complete the chart:
| S. No. | Gland | Hormone produced | Effect |
| (i) | Hypothalamus | ______ | Acts on kidneys, stimulates reabsorption of water. |
| (ii) | ______ | Somatotropin | Stimulates growth and development of all tissues |
| (iii) | Thyroid gland | ______ | Regulates basal metabolic rate. |
| (iv) | ______ | Thymosin | Maturation of T-lymphocytes. |
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What is Cardiac output?
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Complete the following box with reference to symptoms of mineral deficiency:
| Abscission | Pre-mature fall of flowers, fruits and leaves |
| ______ | Appearance of green and non-green patches on leaves |
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Differentiate between X-chromosome and Y-chromosome with reference to –
- length of non-homologous regions
- type as per the position of the centromere
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Enlist role and deficiency symptoms of Zinc.
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Enlist role and deficiency symptoms of Calcium.
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Aspergillus niger is used to manufacture
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Give the name of the deficiency caused due to sulphur in stem and root.
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Give reason: Some deficiency symptoms of mineral are visible in young leaves while some appear in older leaves.
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Give reason:
The wall of left ventricle is thicker than right ventricle
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Give observed symptom when the following mineral are deficient.
Deficiency of Cu
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Give observed symptom when the following mineral are deficient.
Deficiency of Bo
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