Page 61 - Genius Kidz Prudence Learning Sc-8

(c) Which of these unicellular organism has no different shape ?
(i) Euglena (ii) Bacteria (iii) Paramecium (iv) Amoeba

(d) Leucoplasts are type of :
(i) Vacuoles (ii) Plastids (iii) Golgi body (iv) Centrosome

2. Fill up the blanks.

(a) _____________ is the structural and functional unit of life.
(b) Single celled organisms are _____________ .
(c) Amoeba cell _____________ its shape continuously.

(d) Nerve cell is the longest in the body because _____________ .
3. Match the columns.

Column A Column B
–6
(a) Mycoplasma (i) 10 m
(b) Cell membrane (ii) Plant cell
(c) Chloroplast (iii) 9 mm

(d) ATP (iv) Animal cell
(e) RBC (v) Energy currency

4. Mark the statements as True /False .
(a) Chloroplast is the green coloured plant pigment.

(b) Ribosomes aids in protein synthesis.
(c) Golgi bodies are present in plant cell.

5. Very short answer type question.

(a) What is the living matter of the cell called?
(b) What are prokaryotes?
(c) What are eukaryotes?

(d) What is the function of plastids in a cell?

6. Short answer type questions.
(a) Describe different levels of organization.

(b) What is mitochondria? Discuss its role.
(c) What do you understand by building blocks of life? Why are they so called?

7. Long answer type questions.
(a) What is a cell? Describe it in detail.

(b) Write down at least eight differences between a plant cell and an animal cell. Support your answer
with the help of a diagram.
(c) Why is cell division necessary?

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