R4RIN – MCQs, Mock Tests | Botany Botany MCQS[NEET-2021 to 2022]-Algae, Bryophytes, Pteridophytes

Agar-Agar is obtained from

1. Gelidium
2. Polysiphonia
3. Fucus
4. Laminaria

✅ Correct Answer: 1

Plants which are not differentiated into roots, stem and leaves are grouped under

1. Gymnosperms
2. Pteridophytes
3. Thallophytes
4. Spermatophytes

✅ Correct Answer: 3

Which are the most primitive group of algae

1. Blue green algae
2. Red algae
3. Brown algae
4. Green algae

✅ Correct Answer: 1

Iodine is obtained from

1. Ulothrix
2. Ectocarpus
3. Laminaria
4. Oedogonium

✅ Correct Answer: 3

Which of the following is the most advanced group of algae

1. Cyanophyta
2. Rhodophyta
3. Phaeophyta
4. Chlorophyta

✅ Correct Answer: 2

Which of the algae is responsible for red colour of red sea

1. Chlamydomonas brauii
2. Trichodesmium erythrium
3. Ulothrix zonata
4. None of the above

✅ Correct Answer: 2

One of the following is present in blue green algae

1. Starch
2. Any polysaccharide
3. Cyanophacean granule
4. Floridian starch

✅ Correct Answer: 3

Ability to fix atmospheric nitrogen is found in

1. Leaves of some crop plants
2. Chlorella
3. Some marine red algae
4. Some blue green algae

✅ Correct Answer: 4

Origin and evolution of sex in algae is best seen in

1. Blue green algae
2. Green algae
3. Red algae
4. Brown algae

✅ Correct Answer: 2

Kelps is obtained from

1. Algae
2. Marine algae
3. Aquatic algae
4. Lichens

✅ Correct Answer: 2

Algae differ from Riccia ana Marchantia in having

1. Multicellular body
2. Multicellular sex organs
3. Pyrenoids in the cell
4. Thalloid body

✅ Correct Answer: 3

Heterocysts are

1. Green and thin walled
2. Green and thick walled
3. Colourless and thin walled
4. Colourless and thick walled

✅ Correct Answer: 4

Zygotic meiosis is a characteristic feature of

1. Algae
2. Bryophytes
3. Pteridophytes
4. Gymnosperms

✅ Correct Answer: 1

Cephaleoures is

1. An epiphytic green algae
2. A parasitic green algae
3. A fresh water green algae
4. A colourless red algae

✅ Correct Answer: 2

Sargasso sea is named after an algae Sargassum which is a

1. Green algae
2. Brown algae
3. Red algae
4. Blue green algae

✅ Correct Answer: 4

Which of the following is the amphibian of the plant kingdom?

1. Pteridophytes
2. Bryophytes
3. Gymnosperms
4. Angiosperms

✅ Correct Answer: 2

The unique feature of bryophytes compared to other green plant group is that

1. They produce spores
2. They lack vascular tissue
3. They lack roots
4. There sporophyte is attached to the gametophyte

✅ Correct Answer: 4

Which group of plant constitute the lower bryophytes

1. Liverworts
2. Mosses
3. Anthoceratles
4. Jungermaniales

✅ Correct Answer: 1

Liverworts are closely related to

1. Algae
2. fungi
3. Lichen
4. Mosses

✅ Correct Answer: 4

The first land inhabitant plants are

1. Pteridophytes
2. Bryophytes
3. Gymnosperms
4. Angiosperms

✅ Correct Answer: 2

The only positive evidence of aquatic ancestry of bryophyte is

1. Thread like protonema
2. Green colour
3. Some forms are still aquatic
4. Ciliated sperms

✅ Correct Answer: 4

To which group would you assign a plant which produces spores and embryos, but lacks seed and vasculature

1. Algae
2. Fungi
3. Pteridophyte
4. Bryopyte

✅ Correct Answer: 4

Which is wrong in respect to bryophytes?

1. Water is essential for fertilization
2. Presence of archegonia
3. Presence of ciliated sperms
4. Presence of autotrophic independent sporophyte

✅ Correct Answer: 4

Conducting tissue in moss is made up of

1. Xylem and phloem
2. Xylem
3. Collenchyma
4. Parenchyma

✅ Correct Answer: 4

Which of the following is diploid in moss plant

1. Spore
2. Leaves
3. Spore mother cell
4. Gametes

✅ Correct Answer: 3

A specialised organ of the sporophyte for attachment to the gametophyte is called

1. Stalk
2. Foot
3. Apophysis
4. Root

✅ Correct Answer: 2

If the chromosome number in the leaf of Funaria is 20, what will be the chromosome number in the spores

1. 20
2. 40
3. 10
4. 5

✅ Correct Answer: 1

The protonema is a stage in the life cycle of

1. Riccia
2. Funaria
3. All bryophytes
4. Cycas

✅ Correct Answer: 2

If the leaf of Funaria has 5 chromosomes, the primary protonema will have

1. 10
2. 5
3. 15
4. 20

✅ Correct Answer: 2

Bryophyte differ from pteridophytes in being

1. Non-vasculature
2. Seeded
3. Vasculature
4. Sporophytic

✅ Correct Answer: 1

In which of the following group would you place a plant which produces spores, has vascular tissue and lacks seed

1. Algae
2. Pteridophyte
3. Gymnosperm
4. Bryophyte

✅ Correct Answer: 2

According to the available fossil record, which of the following are the first vascular plants

1. cycads
2. horsetails
3. lycopsids
4. psilophytales

✅ Correct Answer: 4

Most primitive living vascular plants are

1. brown algae
2. sphagnum
3. ferns
4. cycads

✅ Correct Answer: 3

A fern differs from moss in having

1. An independent gametophyte
2. An independent sporophyte
3. Presence of archegonia
4. Swimming antherozoids

✅ Correct Answer: 2

Spore baring leaf is called

1. sorus
2. indusium
3. ramentum
4. sporophyll

✅ Correct Answer: 4

Prothallus represents

1. gametophytic phase in a fern
2. sporophytic phase in a fern
3. gametophytic phase in a angiosperm
4. gametophytic phase in a gymnosperm

✅ Correct Answer: 1

In Pteridophyte, reduction division occurs when

1. spores are formed
2. gametes are formed
3. Prothallus is formed
4. sex organs are formed

✅ Correct Answer: 1

The dominant generation in Pteridophyte is

1. haploid
2. gametophytic
3. diploid
4. triploid

✅ Correct Answer: 3

Pteridophytes are also called

1. phanerogams
2. vascular cryptogams
3. amphibians of the plant kingdom
4. spermatophytes

✅ Correct Answer: 2

What happens to the spore of ferns

1. it germinates to become a prothallus
2. it germinates to become another spore forming a fern plant
3. it joins with another spore to become a seedling
4. it encysts and is devoured by snail

✅ Correct Answer: 1

The structure that produce gametes in the Prothallus are

1. anthers and archegonia
2. ascogonium and anthers
3. antheridia and archegonia
4. none of these

✅ Correct Answer: 3

All of the following plants are heterosporous except

1. Pinus
2. Marselia
3. Selaginella
4. Dryopteris

✅ Correct Answer: 4

Fern plants are

1. mesophytes
2. Hydrophytes
3. Xerophytes
4. hygrophytes

✅ Correct Answer: 4

Circinate vernation is found in

1. cycas
2. fern
3. a and b
4. none of these

✅ Correct Answer: 3

In which of the following group would you place a plant which produce seeds but lacks flower

1. pteridophytes
2. Fungi
3. bryophytes
4. gymnosperms

✅ Correct Answer: 4

A gymnospermic plant

1. bear flower
2. exhibit no vascular tissue
3. produce seeds in cones
4. does not produce seeds in cones

✅ Correct Answer: 3

Megasporophyll is the term used in gymnosperm to denote

1. carpels
2. stamens
3. leaves
4. female cone

✅ Correct Answer: 1

The most advanced order in gymnosperms

1. Cycadales
2. Coniferales
3. Gnetales
4. Taxales

✅ Correct Answer: 3

Coralloid roots are found in

1. Cycas
2. Dryopteris
3. Pinus
4. Lycopodium

✅ Correct Answer: 1

Zooidogamy is seen in

1. Cycas
2. Gnetum
3. Pinus
4. angiosperm

✅ Correct Answer: 1

Largest sperms are found in

1. Pinus
2. Cedrus
3. Cycas
4. Gnetum

✅ Correct Answer: 3

Phloem of gymnosperm differ from angiosperm in

1. having parenchyma
2. having no companion cells
3. having no sieve tubes
4. having no sclerenchyma

✅ Correct Answer: 2

In gymnosperm pollination is exclusively by

1. animals
2. wind
3. insects
4. water

✅ Correct Answer: 2

Endosperm in gymnosperm is formed

1. at the time of fertilization
2. before fertilization
3. after fertilization
4. along with the development of embryo

✅ Correct Answer: 2

In which of the following feature angiosperm resemble gymnosperm

1. presence of ovules
2. presence of vessel
3. nature of endosperm
4. mode of fertilization

✅ Correct Answer: 2

Alternation of generation is exhibited by

1. bryophytes
2. pteridophytes
3. gymnosperms
4. all plants

✅ Correct Answer: 4

Gymnosperm differ from angiosperm

1. having seeds
2. having fruits
3. having naked ovules
4. none of these

✅ Correct Answer: 3

Perisperm is

1. outgrowth of the outer integument
2. surviving nucellus in the seed
3. outgrowth of funicles
4. all of these

✅ Correct Answer: 2

The megasporium is also known as

1. ovule
2. nucellus
3. fruit
4. micropyle

✅ Correct Answer: 2