Plant Kingdom Questions and Answers Part-20

1. In diplontic life cycle gametogenesis takes place by
a) Mitosis
b) Meiosis
c) Both (a) and (b)
d) Neither mitosis nor meiosis

Answer: b
Explanation: Meiosis

2. Gametogenesis in organism showing haplontic life cycle takes place in
a) Mitosis
b) Meiosis
c) Both (a) and (b)
d) Amitosis

Answer: a
Explanation: Mitosis

3. Identify a, b, c in diagram:
q193
a) A– Volvox, B–Chlamydomonas, C–Chara
b) A–Chara, B–Volvox, C–Chlamydomonas
c) A–Chlamydomonas, B–Chara, C–Volvox
d) A–Chara, B–Chlamydomonas, C–Volvox

Answer: a
Explanation: A– Volvox, B–Chlamydomonas, C–Chara

4. Identify a, b, c in diagram:
q194
a) A–Fucus, B–Laminaria, C–Dictyota
b) A–Laminaria, B–Dictyota, C–Fucus
c) A–Laminaria, B–Fucus, C–Dictyota
d) A–Dictyota, B–Fucus, C–Laminaria

Answer: c
Explanation: A–Laminaria, B–Fucus, C–Dictyota

5. Identify A and B:
q195
a) A–Porphyra, B–Laminaria
b) A–Polysiphonia, B–Porphyra
c) A–Porphyra, B–Polysiphonia
d) A–Volvox, B–Chara

Answer: c
Explanation: A–Porphyra, B–Polysiphonia

6. Identify the A, B, C and D shown in this figure?
q196
a) A–Holdfast, B–Air bladder, C–Midrib, D–Frond
b) A–Frond, B–Midrib, C–Air bladder, D–Holdfast
c) A–Air bladder, B–Midrib, C–Holdfast, D–Frondh
d) A–Frond, B–Holdfast, C–Midrib, D–Air bladder

Answer: d
Explanation: A–Frond, B–Holdfast, C–Midrib, D–Air bladder

7. Identify the A, B and C shown in this figure?
q197
a) A–Branches, B–Antheridial branch, C–Archegonial branch
b) A–Antheridial branch, B–Branches, C–Archegonial branch
c) A–Branches, B–Archegonial branch, C–Antheridial branch
d) A–Archegonial branch, B–Archegonial branch, C–Branches

Answer: a
Explanation: A–Branches, B–Antheridial branch, C–Archegonial branch

8. What indicates A to E in the below figure?
q198
a) A–Node, B–Rhizome, C–Internode, D–Strobilus, E–Branch
b) A–Strobilus, B–Node, C–Internode, D–Branch, E–Rhizome
c) A–Branch, B–Internode, C–Strobilus, D–Node, E–Rhizome
d) A–Strobilus, B–Node, C–Branch, D–Internode, E–Rhizome

Answer: b
Explanation: A–Strobilus, B–Node, C–Internode, D–Branch, E–Rhizome

9. Identify the A, B and C shown in this figure?
q199
a) A–Gametophyte (n), B–Zygote (2n), C–Gametogenesis
b) A–Zygote (2n), B–Gametophyte (n), C–Gametogenesis
c) A–Zygote (2n), B–Gametogenesis, C–Gametophyte (n)
d) A–Gametogenesis, B–Zygote (2n), C–Gametophyte (n)

Answer: b
Explanation: A–Zygote (2n), B–Gametophyte (n), C–Gametogenesis

10. Identify the A, B and C.
q200
a) A–Salvinia, B–Chlamydomonas, C–Porphyra
b) A–Chlamydomonas, B–Porphyra, C–Salvinia
c) A–Porphyra, B–Salvinia, C–Chlamydomonas
d) A–Chlamydomonas, B–Salvinia, C–Porphyra

Answer: c
Explanation: A–Porphyra, B–Salvinia, C–Chlamydomonas