Plant Kingdom Questions and Answers Part-4

1. Chlorophyceae are grass green due to the dominance of pigment
a) Chlorophyll a, c
b) Chlorophyll b, a
c) Chlorophyll d, c
d) All of these

Answer: b
Explanation: Chlorophyll b, a

2. Pyrenoids are located in
a) Cytoplasm
b) Mitochondria
c) Chloroplast
d) Nucleus

Answer: c
Explanation: Pyrenoids are located in chloroplast.

3. Pyrenoids store
a) Protein
b) Starch
c) Lipids
d) Both (a) and (b)

Answer: d
Explanation: Pyrenoids store protein and starch.

4. Cell wall of green algae is made up of
a) Cellulose and pectose
b) Cellulose and pectin
c) Inner layer of pectose and outer layer of cellulose
d) Inner layer of cellulose and outer layer of pectose

Answer: d
Explanation: Cell wall of green algae is made up of inner layer of cellulose and outer layer of pectose.

5. Zoospores are formed during asexual reproduction of algae and formed in
a) Sporangia
b) Zoosporangia
c) Microsporangia
d) Megasporangia

Answer: b
Explanation: Zoospores are formed during asexual reproduction of algae and formed in zoosporangia.

6. Sexual reproduction is of isogamous, anisogamous and oogamous in
a) Chlorophyceae
b) Rhodophyceae
c) Chlorophyceae and Phaeophyceae
d) Chlorophyceae and Rhodophyceae

Answer: c
Explanation: Chlorophyceae and Phaeophyceae

7. Algae which are primarily marine is
a) Red algae
b) Brown algae
c) Green algae
d) All of these

Answer: b
Explanation: Brown algae

8. Filamentous brown algae is
a) Spirogyra
b) Laminaria
c) Ectocarpus
d) Porphyra

Answer: c
Explanation: Filamentous brown algae is Ectocarpus.

9. Green algae performs _______ oogamous type sexual reproduction
a) Sphagnum
b) Volvox
c) Dictyota
d) Spirogyra

Answer: b
Explanation: Green algae performs volvox oogamous type sexual reproduction.

10. Kelps represent the group of
a) Bryophytes
b) Red algae
c) Green algae
d) Brown algae

Answer: d
Explanation: Brown algae