This practice test includes 25 important multiple choice questions from the chapter Plant Kingdom (Biology - Class 11).
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Q.1.
Rhodophyceae is called red algae because of the pigment
- Fucoxanthin
- Phycoerythrin
- Carotenoids
- Chlorophyll c
Answer:
(b) Phycoerythrin
Explanation: Members of Rhodophyceae are commonly called red algae because of the predominance of the red pigment, r-phycoerythrin in their body.
Explanation: Members of Rhodophyceae are commonly called red algae because of the predominance of the red pigment, r-phycoerythrin in their body.
Q.2.
Which of the followings plant material is an efficient water imbibant?
- Agar
- Cellulose
- Lignin
- Pectin
Answer:
(a) Agar
Explanation: Agar
Explanation: Agar
Q.3.
In a monoecious plant
- Male and female sex organs are on the same individual
- male and female gametes are of two morphologically distinct types
- Male and female sex organs are on different individuals
- All the stamens are fused to form one unit
Answer:
(a) Male and female sex organs are on the same individual
Explanation: Male and female sex organs are on the same individual
Explanation: Male and female sex organs are on the same individual
Q.4.
The seedless vascular plants whose sporophytes are larger than their small and independent gametophytes are
- Pteridophytes
- Angiosperms
- Gymnosperms
- None of these
Answer:
(a) Pteridophytes
Explanation: Pteridophytes
Explanation: Pteridophytes
Q.5.
Which of the following is a liverwort?
- Sphagnum
- Funaria
- Marchantia
- Polytrichum
Answer:
(c) Marchantia
Explanation: Marchantia is a liverwort. Sphagnum, Funaria and Polytrichum are mosses
Explanation: Marchantia is a liverwort. Sphagnum, Funaria and Polytrichum are mosses
Q.6.
Transgenic plants are the ones
- Grown in artificial medium after hybridization in the field
- Produced by a somatic embryo in artificial medium
- Generated by introducing foreign DNA in to a cell and regenerating a plant from that cell
- Produced after protoplast fusion in artificial medium
Answer:
(c) Generated by introducing foreign DNA in to a cell and regenerating a plant from that cell
Explanation: Generated by introducing foreign DNA in to a cell and regenerating a plant from that cell
Explanation: Generated by introducing foreign DNA in to a cell and regenerating a plant from that cell
Q.7.
Which of the following plants is used extensively for the study of photosynthesis?
- Amaranthus
- Asparagus
- Chlorella
- Sunflower
Answer:
(c) Chlorella
Explanation: Chlorella
Explanation: Chlorella
Q.8.
Which of the following is used to grow microbes?
- Laminaria
- Gelidium
- Chlorella
- Sargassum
Answer:
(b) Gelidium
Explanation: Agar is extracted from Gelidium and Gracilaria, it is used to grow microbes and in preparation of ice-cream and jellies
Explanation: Agar is extracted from Gelidium and Gracilaria, it is used to grow microbes and in preparation of ice-cream and jellies
Q.9.
Isogamous condition with non-flagellated gametes is found in
- Chlamydomonas
- Spirogyra
- Volvox
- Fucus
Answer:
(b) Spirogyra
Explanation: Spirogyra
Explanation: Spirogyra
Q.10.
Gymnosperms produce neither flower nor fruit because they do not possess
- Embryo
- Ovary
- Ovule
- Seed
Answer:
(b) Ovary
Explanation: Ovary
Explanation: Ovary
Q.11.
Rhodophyceae is called red algae because of the pigment
- Fucoxanthin
- Phycoerythrin
- Carotenoids
- Chlorophyll c
Answer:
(b) Phycoerythrin
Explanation: Members of Rhodophyceae are commonly called red algae because of the predominance of the red pigment, r-phycoerythrin in their body.
Explanation: Members of Rhodophyceae are commonly called red algae because of the predominance of the red pigment, r-phycoerythrin in their body.
Q.12.
In moss stomata appears on
- Capsule
- Leaves
- Stem
- All of these
Answer:
(a) Capsule
Explanation: Capsule
Explanation: Capsule
Q.13.
The gametophyte is not an independent, free-living generation in
- Pinus
- Polytrichum
- Adiantum
- Marchantia
Answer:
(a) Pinus
Explanation: pinus
Explanation: pinus
Q.14.
In gymnosperms, the development of pollen grains occurs in
- Strobili
- Microsporangia
- Megasporangia
- Macrosporangia
Answer:
(b) Microsporangia
Explanation: In gymnosperms, the development of pollen grains occur in microsporangia.
Explanation: In gymnosperms, the development of pollen grains occur in microsporangia.
Q.15.
Ribbon shaped chloroplasts occur in
- Ulothrix
- Spirogyra
- Chlamydomonas
- Riccia
Answer:
(b) Spirogyra
Explanation: Spirogyra
Explanation: Spirogyra
Q.16.
Antheridia and Archegonia are sex organs of
- Moss
- Mucor
- Spirogyra
- Puccinia
Answer:
(a) Moss
Explanation: Moss
Explanation: Moss
Q.17.
Iodine is found in
- Spirogyra
- Laminaria
- Polysiphonia
- Chlorella
Answer:
(b) Laminaria
Explanation: Laminaria
Explanation: Laminaria
Q.18.
Bryophytes are called amphibians of plant kingdom because
- These plants live in soil and depend on marine organisms for asexual reproduction
- These plants live in soil and depend on water for sexual reproduction.
- These plants live in water and depend on land animals for sexual reproduction
- These plants live near water bodies.
Answer:
(b) These plants live in soil and depend on water for sexual reproduction.
Explanation: Bryophytes are called amphibians of plant Kingdom because they live in soil and depend on water for sexual reproduction.
Explanation: Bryophytes are called amphibians of plant Kingdom because they live in soil and depend on water for sexual reproduction.
Q.19.
Which one of the following is a vascular cryptogram?
- Cedrus
- Equisetum
- Ginkgo
- Marchantia
Answer:
(b) Equisetum
Explanation: Equisetum
Explanation: Equisetum
Q.20.
Pinus differs from mango in having
- Tree habit
- Green leaves
- Ovules not enclosed in ovary
- Wood
Answer:
(c) Ovules not enclosed in ovary
Explanation: Ovules not enclosed in ovary
Explanation: Ovules not enclosed in ovary
Q.21.
In chlorophyta the mode of sexual reproduction is
- Isogamy
- Anisogamy
- Oogamy
- Isogamy, Anisogamy and oogamy
Answer:
(d) Isogamy, Anisogamy and oogamy
Explanation: Isogamy, Anisogamy and oogamy
Explanation: Isogamy, Anisogamy and oogamy
Q.22.
An evolutionary characteristic is found in selaginella:
- Presence of ligule
- Heterophilly habits
- Sporangia present in cone
- Heterospory
Answer:
(d) Heterospory
Explanation: Heterospory
Explanation: Heterospory
Q.23.
By which type of leaf is found in selaginella
- Aligulate and microphyllous
- Ligulate and megaphyllous
- Ligulate and microphyllous
- Aligulate and megaphyllous
Answer:
(c) Ligulate and microphyllous
Explanation: Ligulate and microphyllous
Explanation: Ligulate and microphyllous
Q.24.
Bioluminescence is a phenomenon associated with
- chrysophyta
- phaeophyta
- pyrrophyta
- chlorophyta
Answer:
(c) pyrrophyta
Explanation: pyrrophyta
Explanation: pyrrophyta
Q.25.
Yeast is different from penicillium and Rhizopus in being
- Acellular
- Unicellular
- Having unseptate hyphae
- multicellular
Answer:
(b) Unicellular
Explanation: Unicellular
Explanation: Unicellular
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