Question

plzz answer me this fast (coz urgent):- ( 20 points)Q1 Write the main function of leucoplast.Q2 What is the function of SER in liver cells of vertebrates?Q3 Why the RER appears rough?Q4 Why viruses are not supposed to be living?Q5 What is a nucleoid?Q6 Why dry raisins placed in water swell up?Q7 In which part of a plant chromoplasts are found?Q8 Where are genes located?Q9 What will happen if we keep a plant cell or animal cell in a i) Hypotonic solution ii) Hypertonic solution iii) Isotonic solution.Q10 Explain the importance of osmosis for living beings?Q11 Give the historical development of cell theory.Q12 Who coined the term “cell “ and how?Q13 Write the contribution of (a) Robert Hooke, (b) Leeuwenhoek (c) Robert BrownQ14 Draw a large diagram of an animal cell as seen through aan electron microscope. Label the parts that carry on the function of Respiration, secretion, protein synthesis, transport of material.Q15 Which substance is responsible for transfer of characters from one generation to another?(short answers plzz)

Answer 1

the main function of leucoplast to absorb nutrients from the soil and stored it in the roots and supply it to the leaves through the stem .
RER is rough becoz it contains ribosomes .
They cointains nucleic acid DNA &RNA surrounding by a protein coat named capsid . It is ascellular .
The dry raisens placed in water to soften it to swell up .
Leaves , green stem contains chloroplast in the plants .
Gene is located at nucleus.
Cell theory was discovered by Mathias Schleaden and Theodor Schwenn .
Robert Hook - discovered cell .Lewenhoek - observed bacteria in his microscope.
Robert hooke coined the name cell.