Question
What is meant by precipitation reaction? Explain it with examples.
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State the types of movement in plants with examples.
Mention serious effects of deforestation.
State the uses of all three products formed in chlor-alkali process in the form of chart.
When pea plants showing pair of two different characteristics are bred with each other.
Answer the following questions :
(1) What do the progeny of cross made between tall plant with round seeds and a short plant with wrinkled seeds look - like?
(2) Which traits are dominant?
(3) What happens when F1 progeny are used to generate F2 progeny by self-pollination?
| Characters | Different characteristics | ||
| 1. | Height of Plant | 1. | Tall and short |
| 2. | Shape of seed | 2. | Round and wrinkled |
(1) What do the progeny of cross made between tall plant with round seeds and a short plant with wrinkled seeds look - like?
(2) Which traits are dominant?
(3) What happens when F1 progeny are used to generate F2 progeny by self-pollination?
Give scientific reason:
Unlike animals, the plants do not show immediate response.
Unlike animals, the plants do not show immediate response.
How autotrophs meet their requirement of raw materials?
Why do organisms of same species look similar?###How do organisms create exact copies of themselves through reproduction?
Enlist the uses of H2 and Cl2.
Give scientific reason:
The organisms possessing chlorophyll are autotrophs.
The organisms possessing chlorophyll are autotrophs.
Give the scientific reason : Inspite of the high cost, solar cells are widely used.