Plastids Questions With Answers

The double membranous organelles found in plants and algal cells are known as plastids. These organelles are responsible to synthesize as well as store food. Platids contain pigments essential for the process of photosynthesis.

1. All three types of plastids have evolved from

(a) Leucoplast

(b) Chloroplast

(c) Pro-plastid

(d) Chromoplast

Answer: (c)

2. These lack plastids

(a) fungi and animals

(b) plants and animals

(c) bacterium, animals and fungi

(d) none of the above

Answer: (c)

3. This is a common feature of plastids and mitochondria

(a) both have dsDNA

(b) Both contains 70s ribosomes

(c) both are double membranous cell organelles

(d) all of these

Answer: (d)

4. All are colourless plastids(leucoplasts) except

(a) amyloplast

(b) elaioplast

(c) rhodoplast

(d) proteinoplast

Answer: (c)

5. Plastids are present in

(a) Euglenoides

(b) Plants

(c) Both (a) and (b)

(d) all protists

Answer: (c)

6. Cell organelles found only in plants are

(a) Ribosomes

(b) Mitochondria

(c) Golgi complex

(d) Plastids

Answer: (d)

7. Plastids are not found in which of the following

(a) Fungi

(b) Blue green algae

(c) Bacteria

(d) all of these

Answer: (d)

8. Plant cells and animal cells differ from each other in having

(a) Vacuole

(b) Centrosome

(c) Plastid

(d) Golgi body

Answer: (c)

9. The type of plastids helping in pollination is

(a) Leucoplasts

(b) Chloroplasts

(c) Chromoplasts

(d) All of the above

Answer: (c)

10. Fret channels are associated with

(a) Two lamellae of a granum

(b) Two grana of a chloroplast

(c) Two quantasomes

(d) Two plastids of a cell

Answer: (b)

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