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The essential parts of a flower are ______.
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Identify the parts A, B, C, and D?
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Write the events involved in the sexual reproduction of a flowering plant.
Discuss the first event and write the types.
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Write the events involved in the sexual reproduction of a flowering plant.
a. Discuss the first event and write the types.
b. Mention the advantages and the disadvantages of that event.
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In which part of the flower germination of pollen grains takes place?
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The maximum speed of vibrations which produces audible sound will be in ______.
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Match the following
| Column I | Column II |
| Newton’s I law | propulsion of a rocket |
| Newton’s II law | Stable equilibrium of a body |
| Newton’s III law | Law of force |
| Law of conservation of linear momentum | Flying nature of bird |
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Classify the types of force based on their application.
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If a 5 N and a 15 N forces are acting opposite to one another. Find the resultant force and the direction of action of the resultant force.
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Match the items in column-I to the items in column-II
| Column-I | Column-II | ||
| 1. | Linear expansion | (a) | change in volume |
| 2. | Superficial expansion | (b) | hot body to cold body |
| 3. | Cubical expansion | (c) | 1.381 X 10-23 JK-1 |
| 4. | Cubical expansion | (d) | change in length |
| 5. | Boltzmann constant | (e) | change in area |
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The ratio of the potential difference to the current is known as ________.
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Ohm’s law states the relationship between power and voltage.
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Name two maize hybrids rich in amino acid lysine
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Differentiate between outbreeding and inbreeding.
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What are the effects of hybrid vigour in animals.
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Higher Order Thinking Skill (HOT)
A breeder wishes to incorporate desirable characters into the crop plants. Prepare a list of characters he will incorporate
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Study of cause of disease is called etiology.
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Match the following
| 1. | Sarcoma | Stomach cancer |
| 2. | Carcinoma | Excessive thirst |
| 3. | Polydipsia | Excessive hunger |
| 4. | Polyphagia | Lack of blood flow to heart muscle |
| 5. | Myocardial Infarction | Connective tissue cancer |
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