Question

4. Name the conducting tissue of plant which is made of sieve tubes along with companion
cell.
5. What type of reactions are represented by the following equation
(a) CaO+H20-Ca(OH)2. (b) CuSO442NaOH-Cu(OH)24Na2SO4
6. The process of ........... ensures continuity of life on earth.
7. Write the balanced chemical equation for the following reaction
Zinc + Silver Nitrate - zinc nitrate + silver
8. What is the name of Asexual Reproduction method in spirogyra and Leishmania:
9. Which artery transport impure blood?
10. Which gas is used to prevent rancidity by packing the oil containing food such as chips?
11. What is the full form of BHA and BHT?
12 Which colour is given by methyl orange in acidic medium?
13. what is clone?
14. chloroplast is present in which cell of leaf.
15. The strength of magnetic field is ........... inside a magnet.
16. Electric current is a a ...........quantity
17. Factor which affects résistance of the conductor?
18. What is the relation between electric potential difference and electric current?
19. The Ohm law hold good for?
20. State Fleming's left hand rule.
SECTION-B (Attempt any five questions)
1. Explain the process of nutrition in Amoeba.​

Answer 1

Answer:

Explanation:

4)Phloem

Phloem is a type of vascular conducting tissue present in plants. Sieve tubes are elongated cells associated with the conduction of food and companion cells remain associated with the sieve tubes.

5)This reaction is a combination reaction as calcium oxide and water combines to form single product that is calcium hydroxide.

6)Reproduction

Reproduction is the process of ensuring the continuity of life forms on the planet earth. This is a cycle of birth that takes place and replaces the existing life when they pass away so that a stable continuation of the species is maintained throughout the planet and the equilibrium stays as it should

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