Advertisements
Advertisements
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.
Concept: undefined >> undefined
In which part of the flower germination of pollen grains takes place?
Concept: undefined >> undefined
Advertisements
The maximum speed of vibrations which produces audible sound will be in ______.
Concept: undefined >> undefined
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 |
Concept: undefined >> undefined
Classify the types of force based on their application.
Concept: undefined >> undefined
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.
Concept: undefined >> undefined
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 |
Concept: undefined >> undefined
The ratio of the potential difference to the current is known as ________.
Concept: undefined >> undefined
Ohm’s law states the relationship between power and voltage.
Concept: undefined >> undefined
Name two maize hybrids rich in amino acid lysine
Concept: undefined >> undefined
Differentiate between outbreeding and inbreeding.
Concept: undefined >> undefined
What are the effects of hybrid vigour in animals.
Concept: undefined >> undefined
Higher Order Thinking Skill (HOT)
A breeder wishes to incorporate desirable characters into the crop plants. Prepare a list of characters he will incorporate
Concept: undefined >> undefined
Study of cause of disease is called etiology.
Concept: undefined >> undefined
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 |
Concept: undefined >> undefined
Which of the following is a triatomic molecule?
Concept: undefined >> undefined
If a molecule is made of similar kinds of atoms, then it is called ______ atomic molecule.
Concept: undefined >> undefined
The Atomicity of phosphorous is ______
Concept: undefined >> undefined
