Please select a subject first
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Sketch and label:
Types of guard cells
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Give reason:
Lymphatic vessels are milky in appearance.
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What are VNTRs?
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Match the columns:
| Column A (Scientist) | Column B (Theory) | ||
| (1) | Dixon and Joylly | (a) | Starch-sugar inter-conversion theory |
| (2) | Steward | (b) | Osmotic absorption theory |
| (3) | Atkins and Pristley | (c) | Non-osmotic absorption theory |
| (4) | Kramer and Thimann | (d) | Cohesion tension theory |
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Rakesh is colour blind, married to Sangeeta who is having normal v1s10n (Homozygous). They have a son and a daughter. Determine the type of vision in their children with the help of a suitable chart.
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Write a short note on Structure of stomatal apparatus.
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Types of sex- linked genes:
(Haemophilia, Ichthyosis, nephritis, Myopia, Hypertrichosis, Retinitis pigmentosa)
| Column 'A' | Column 'B' | |
| (1) | Completely X- linked genes | ______ |
| (2) | Completely Y- linked | ______ |
| (3) | Incompletely sex-linked genes | ______ |
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Define the following:
Mineralization
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When was Human Genome Project started? When was it completed?
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Name the gas released and the process responsible for puffing up of the bread dough when Saccharomyces cerevisiae is added to it.
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What are the limitations of root pressure theory?
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Give the name and function for ‘A’ and ‘B’ from the diagram given below
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With the help of diagrammatic representation, explain the process of gametogenesis
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Draw a diagram of the microscopic structure of human sperm. Label the following parts in it and write their functions
(a) Acrosome
(b) Nucleus
(c) Middle piece
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Briefly describe the process of spermatogenesis.
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Name the functions - Acrosome of sperm.
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Describe the process of budding in hydra.
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Which endocrine gland plays an important, role in improving immunity?
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Multiple choice question.
The given figure shows human sperm. Various parts of it are labelled as A, B, C, and D. Which labelled part represents acrosome?
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Explain the structure of secondary oocyte.
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