CIE Biology Paper-3: Specimen Questions 151 - 154 of 230
Question number: 151
Cardiac muscles are located in.
It is also called as heart muscle. These muscles found in the heart specifically the myocardium. Cardiac muscle is one of three major kind of muscle, the others being skeletal and smooth muscle
In given diagram A plant’s leaves are covered by black paper and B plant is put in normal conditions.
Question number: 152 (1 of 2 Based on Passage) Show Passage
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What will happen after one week?
The leaf which are covered A will start to lose its green color because of lack of sun light and photosynthesis process. In addition, plant B will grow normally and healthiest.
Question number: 153 (2 of 2 Based on Passage) Show Passage
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What are the main plant growth factors? Describe them.
There are mainly three plant growth factors, which are related to plant growth and development-
- Photosynthesis- It is the process in which green plants convert the light energy into chemical energy in the presence of chlorophyll using carbon di oxide and water.
- Respiration-In such process metabolization of sugar occurs for growth, reproduction and other processes.
- Transpiration-It is the process in which the loss of water occur by stomata of leaves.
Question number: 154
Genetic drift is done when some individual of species aggregate an island. This phenomenon is called.
Founder effect is a type of genetic drift in which genetic variations found when a new population is recognized through a very small number of individuals from a large population.