Plant Kingdom Questions and Answers Part-18

1. Fruit formation in angiosperm takes place by
a) Development of ovule after fertilization
b) Development of ovary after fertilization
c) Axillary bud
d) Terminal bud

Answer: b
Explanation: Development of ovary after fertilization

2. Double fertilization is the unique characterisitic feature of
a) Angiosperm
b) Gymnosperm
c) Pteridophyte
d) Dicotyledons only

Answer: a
Explanation: Double fertilization is the unique characterisitic feature of angiosperm.

3. Zygote after multiplication in angiosperm develop in
a) Endosperm (n)
b) Embryo (n)
c) Endosperm
d) Embryo (2n)

Answer: d
Explanation: Embryo (2n)

4. Endosperm in angiosperm is formed
a) Before fertilization
b) After fertilization
c) Vary from species to species
d) All of these

Answer: b
Explanation: Endosperm in angiosperm is formed after fertilization

5. Meiosis in plants can take place in
a) Only haploid species
b) Only diploid species
c) Both in haploid as well as diploid species
d) None of these

Answer: b
Explanation: Meiosis in plants can take place in only diploid species

6. The haploid plant body produces _______ and is referred to as _______
a) spores, sporophyte
b) gametes, gametophyte
c) zoospores, zoosporangia
d) conidia, conidiophores

Answer: b
Explanation: The haploid plant body produces gametes and is referred to as gametophyte

7. Haploid spore divides by _______ to form haploid plant body
a) Mitosis
b) Meiosis
c) Amitosis
d) Any of these

Answer: a
Explanation: Haploid spore divides by mitosis to form haploid plant body

8.In haplontic life cycle, the sporophytic generation is seen by
a) Well-developed multicellular sporophyte
b) Zygote
c) Embryo
d) None of these

Answer: b
Explanation: Zygote

9. In haplontic life cycle, the zygote divides by
a) Mitosis
b) Meiosis
c) Any of these
d) Amitosis

Answer: a
Explanation: In haplontic life cycle, the zygote divides by mitosis

10. Volvox, spirogyra chlamydomonas come under
a) Haplodiplontic life cycle organism
b) Diplohaplontic organism
c) Haplontic life cycle
d) Diplontic life cycle

Answer: c
Explanation: Volvox, spirogyra chlamydomonas come under haplontic life cycle.