1. Which organelles other than nucleus contain DNA?
2.
Name the organelle which store solid and liquid materials in the cell.
3. What do you mean by ATP molecules? Mention its function.
4. Name the plastids which stores starch, oils and proteins granules.
5. What is lacking in a virus which makes it dependent on a living cell to multiply.
6. Match the following:
Column A column B
(a) SER 1 Amoeba
(b) Lysosomes 2 Nucleus
(c) Nucleoid 3 Bacteria
(d) Food vacuoles 4Detoxification
(e) Chromatin 5 Suicidal bag
material
7. What are the major types of plastids? Describe the green plastids and its
function.
8. Give reasons for the following:
a) Plastids are able to make their own protein.
b) Plant cells shrink when kept in hypertonic solution.
c) RBC shrink when kept in concentrated saline solution.
d) Boiled leaves when kept in sugar syrup does not show any change in cell shape or size.
9. Name the three Functional regions of the cell.
10.Name the organelles which shows the analogy written as under
a. Power house of the cell_____________
b. Storage sacs of the cell _____________
C. Kitchen of the plant cell _____________
Answers
Answer:
Explanation:
1)Mitochondria and Chloroplast
2)Vacuoles
3)ATP(Adinosine TriPhosphate) are the energy currency of the cell...all the energy requirements of the cell are fulfilled by utilization of this energy rich compound...
4)Olioplast-fats
Amyloplasts-Starch
Aleuroplasts-proteins
5)It is on the borderline of living and nonliving, it lacks all necessary life functions and processes of its own, and so is dependent on other host cells
6)a-4
b-5
c-3
d-1
e-2
7)Chromoplast:contains colourful pigments necessary to attract insects for pollination
Chloroplast:Contains the green pigment chlorophyll necessary for photosynthesis
Leucoplast: Acts as storage vacuole
8)a.Plastids possess their own dna and ribosomes.So they are able to synthesis their own proteins
b)Dead cells dont show osmosis.
9)Protoplasm,Cytoplasm,Nucleoplasm
10)a Mitochondria
B Vacuole
C Golgi bodies
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Answer:
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