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Test: Plant Kingdom - 1


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Test: Plant Kingdom - 1 - Question 1

In Phaeophyceae, the food is stored in the form of:

Detailed Solution for Test: Plant Kingdom - 1 - Question 1

Food is stored as complex carbohydrates, which may be in the form of laminarin or mannitol.


Hence, the correct option is D
NCERT Reference: Page no. 33 of topic “3.1.2 Phaeophyceae” of chapter 3.

Test: Plant Kingdom - 1 - Question 2

The algae that secretes and deposit calcium carbonate over their walls to contribute in producing coral reefs is:

Detailed Solution for Test: Plant Kingdom - 1 - Question 2
  • Red algae secretes and deposits calcium carbonate over their wall to contribute in producing coral reefs in sea water. They are called coralline algae e.g., Corallina. 

Hence, the correct option is C.

Test: Plant Kingdom - 1 - Question 3

Cycas is a gymnosperm as it has:

Detailed Solution for Test: Plant Kingdom - 1 - Question 3

Cycas is classified as a gymnosperm due to the presence of its ovule which is naked . All gymnosperms produce naked seed due to the naked ovule, which distinguishes them from angiosperms.

Fig: Cycas
Hence, the correct option is C.
NCERT Reference: Page no. 38 of topic “GYMNOSPERMS” of chapter 3.

Test: Plant Kingdom - 1 - Question 4

Liverworts are closely related to:

Detailed Solution for Test: Plant Kingdom - 1 - Question 4
  • Liverworts are a group of non-vascular plants similar to mosses.
  • They are unlike most plants we are familiar with because they don't produce seeds, flowers, fruit, or wood, and they don't even have vascular tissue.
  • For reproduction, liverworts create spores instead of seeds. The bryophytes are divided into liverworts and mosses. So they are closely related to each other.


Fig: Mosses
Hence, the correct option is B.
NCERT Reference: Page no. 34 of topic “3.2 BRYOPHYTES” of chapter 3.

Test: Plant Kingdom - 1 - Question 5

All seed bearing plant, alternation of generation is:

Detailed Solution for Test: Plant Kingdom - 1 - Question 5
  • In a diplontic life cycle, the dominant free-living phase is the diploid (2n). The sporophyte is photosynthetic.
  • The gametophytic phase is represented by single to few-celled haploid gametophyte.
  • All seed-bearing plants, i.e Gymnosperms and angiosperms exhibit this type of life cycle.

Hence, the correct option is A.
NCERT Reference: Page no. 42 of topic “3.6 PLANT LIFE CYCLES AND ALTERNATION OF GENERATIONS” of chapter 3.

Test: Plant Kingdom - 1 - Question 6

Kelps are obtained from?

Detailed Solution for Test: Plant Kingdom - 1 - Question 6
  • Kelps are marine algae of class phaeophyceae.
  • The body of kelp may be upto 100 metre long.
  • They vary in colour from olive green to various shades of brown depending upon xanthophyll pigments.


Hence, the correct option is B.
NCERT Reference: Page no. 32 of topic “3.1.2 Phaeophyceae” of chapter 3.

Test: Plant Kingdom - 1 - Question 7

Identify the algae present in the figure:

Detailed Solution for Test: Plant Kingdom - 1 - Question 7
  • The algae present in figure is Chlamydomonas which is a unicellular algae present in fresh water.
  • Two flagella are attached to it that help in moving in water.

Hence, the correct option is A.
NCERT Reference: Page no. 30 of topic “3.1 ALGAE” of chapter 3.

Test: Plant Kingdom - 1 - Question 8

In which pteridophytes, heterosporous is produced?

Detailed Solution for Test: Plant Kingdom - 1 - Question 8
  • Heterospory refers to the production of spores of two different sizes and developmental patterns: microspores for males and megaspores for females.
  • Genera like Selaginella and Salvinia which produce two kinds of spores, macro (large) and micro (small) spores are known as heterosporous.


Fig: Heterosporous pteridophytes

Hence, the correct option is D.
NCERT Reference: Page no. 38 of topic “3.3 PTERIDOPHYTES” of chapter 3.

Test: Plant Kingdom - 1 - Question 9

Apophysis of moss is:

Detailed Solution for Test: Plant Kingdom - 1 - Question 9
  • In mosses, the lower part of capsule is called as apophysis.
  • The main function of apophysis in capsule is to provide protection and help in dehiscence of mature capsule.


Fig: Apophysis of moss
Hence, the correct option is C.

Test: Plant Kingdom - 1 - Question 10

The sperms of ______ are largest in the biological world.

Detailed Solution for Test: Plant Kingdom - 1 - Question 10
  • The sperms (spermatozoids) or male gamete of Cycas are the largest in the biological world.
  • Its shape is top-like, spirally twisted with cilia and multinucleate structure.

Fig: Male Gamete of Cycas

Hence, the correct option is D.
NCERT Reference: Page no. 39 of topic “3.4 GYMNOSPERMS” of chapter 3.

Test: Plant Kingdom - 1 - Question 11

An algae having ribbon shaped chloroplast is:

Detailed Solution for Test: Plant Kingdom - 1 - Question 11
  • Spirogyra has thin and flat ribbon-shaped chloroplasts. These chloroplasts are spirally coiled in the structure.
  • The chloroplasts present in Spirogyra have one or more pyrenoids present over them.

Why Spirogyra Has Spiral Chloroplasts ? - Scholars Ark

Fig: Spirogyra

Hence, the correct option is B.
NCERT Reference: Page no. 30 of topic “3.1 ALGAE” of chapter 3.

Test: Plant Kingdom - 1 - Question 12

Which of the following includes a diploid structure?

Detailed Solution for Test: Plant Kingdom - 1 - Question 12
  • Diploid is the cell or organism that has two sets of chromosomes.
  • Zygote is the fertilised egg which is produced by the union of the male gamete with the female gamete.
  • It involves the fertilisation between the two gametes.
  • A diploid zygote is formed as a result of fertilisation which includes the 'fusion of haploid sperm' with a 'haploid ovum'.
  • Diploid zygote contains two sets of chromosomes.
  • Zygote transmutes into an 'embryo' which further differentiates into a new individual.


Fig:
Diploid Zygote

Hence, the correct option is A.
NCERT Reference: Page no. 42 of topic “3.6 PLANT LIFE CYCLES AND ALTERNATION OF GENERATIONS” of chapter 3.

Test: Plant Kingdom - 1 - Question 13

Choose the odd one out among the following: Dryopteris, Pteris, Adiantum, Selaginella.

Detailed Solution for Test: Plant Kingdom - 1 - Question 13

Selaginella belong to Pteridophyta of class Lycopsida, Pteris, Adiantum and Dryopteris belong to class Pteropsida.


Fig: Selaginella

Hence, the correct option is C.
NCERT Reference: Page no. 36 of topic “3.3 PTERIDOPHYTES” of chapter 3.

Test: Plant Kingdom - 1 - Question 14

Which of the following are first evolved plants with vascular tissues?

Detailed Solution for Test: Plant Kingdom - 1 - Question 14
  • Pteridophytes are the first ever evolved plants with vascular tissue in them i.e. they contain xylem and phloem.
  • As they contain vascular tissues, they are capable of growing several meters tall.

Hence, the correct option is A

NCERT Reference: Page no. 36 of topic “3.3 PTERIDOPHYTES” of chapter 3.

Test: Plant Kingdom - 1 - Question 15

Haplontic life cycle is seen in:

Detailed Solution for Test: Plant Kingdom - 1 - Question 15

Haplontic life cycle generally occurs in most algae such as volvox, Spirogyra and some species of Chlamydomonas.

Hence, the correct option is C.
NCERT Reference: Page no. 42 of topic “3.6 PLANT LIFE CYCLES AND ALTERNATION OF GENERATIONS” of chapter 3.

Test: Plant Kingdom - 1 - Question 16

Laminaria and Fucus belong to:

Detailed Solution for Test: Plant Kingdom - 1 - Question 16
  • The common forms of Brown algae or Phaeophyceae are Ectocarpus, Dictyota, Laminaria, Sargassum and Fucus
  • The brown color of these algae is due to xanthophyll pigment called fucoxanthin.
  • Laminaria is also called kelp. It is the largest and most complex brown algae.


Hence, the correct option is B
NCERT Reference: Page no. 32 of topic “3.1.2 Phaeophyceae” of chapter 3.

Test: Plant Kingdom - 1 - Question 17

On germination, moss spore produce:

Detailed Solution for Test: Plant Kingdom - 1 - Question 17
  • The spores of moss germinate to produce protonema
  • From the protonema grows the gametophore ("gamete-bearer") that is differentiated into stems and leaves ('microphylls').
  • From the tips of stems or branches develop the male and female gametophytes of the mosses.

What is protonema? | Socratic

Hence, the correct option is B.
NCERT Reference: Page no. 36 of topic “3.2.2 Mosses” of chapter 3.

Test: Plant Kingdom - 1 - Question 18

The giant redwood tree is:

Detailed Solution for Test: Plant Kingdom - 1 - Question 18
  • The tallest tree in plant kingdom, Sequoia sempervirens, commonly called the Californian or 'Coast Redwood' because of its red-coloured bark and red heartwood, reaches a height of 112 metres, and a diameter of 5 metres. It belongs to gymnosperms.


Fig: Sequoia

Hence, the correct option is C.
NCERT Reference: Page no. 38 of topic “3.4 GYMNOSPERMS” of chapter 3.

Test: Plant Kingdom - 1 - Question 19

A vascular cryptogam is:

Detailed Solution for Test: Plant Kingdom - 1 - Question 19
  • Cryptic Organisms include plants without reproductive organs but flowers visible.
  • Most cryptogamous plants lack vascular bundles xylem and phloem but some members of pteridophytes like Equisetum contain vascular bundles.

Hence, the correct option is C.
NCERT Reference: Page no. 36 of topic “3.3 PTERIDOPHYTES” of chapter 3.

Test: Plant Kingdom - 1 - Question 20

Thallus of Riccia is

Detailed Solution for Test: Plant Kingdom - 1 - Question 20
  • Riccia has a thallus-like plant body. It's small, flat, green, and fleshy.
  • It is haploid because it is gametophytic in nature.


Fig: Riccia

Hence, the correct option is A.
NCERT Reference: Page no. 34 of topic “3.2 BRYOPHYTES” of chapter 3.

Test: Plant Kingdom - 1 - Question 21

Angiosperm: roots :: Phaeophyceae:

Detailed Solution for Test: Plant Kingdom - 1 - Question 21
  • The plant body of Phaeophyceae is usually attached to the substratum by a holdfast whereas the angiosperms attach to the substratum by roots.

Hence, the correct option is B.
NCERT Reference: Page no. 33 of topic “3.1.2 Phaeophyceae” of chapter 3.

Test: Plant Kingdom - 1 - Question 22

Asexual reproduction in liverworts a specialised structures are called as

Detailed Solution for Test: Plant Kingdom - 1 - Question 22
  • The formation of specialised structures in liverworts called gemmae (sing. gemma).
  • Gemmae are green, multicellular, asexual buds, which develop in small receptacles called gemma cups located on the thalli.
  • The gemmae become detached from the parent body and germinate to form new individuals.


Hence, the correct option is A.
NCERT Reference: Page no. 35 of topic “3.2.1 Liverworts” of chapter 3.

Test: Plant Kingdom - 1 - Question 23

Which among the following belong to Sphenopsida?

Detailed Solution for Test: Plant Kingdom - 1 - Question 23

The pteridophytes are classified into four classes:

  1. Psilopsida (Psilotum)
  2. Lycopsida (Selaginella, Lycopodium)
  3. Sphenopsida (Equisetum) and
  4. Pteropsida (Dryopteris, Pteris, Adiantum).

Hence, the correct option is A.
NCERT Reference: Page no. 38 of topic “3.3 PTERIDOPHYTES” of chapter 3.

Test: Plant Kingdom - 1 - Question 24

In cycas, the type of root present is called as __________

Detailed Solution for Test: Plant Kingdom - 1 - Question 24
  • In cycas, the type of root present is called coralloid root.
  • Coralloid roots are short and irregularly branched.
  • They exist in symbiotic association with cyanobacteria that help them in the fixation of Nitrogen.

Hence, the correct option is D.

NCERT Reference: Page no. 38 of topic “3.4 GYMNOSPERMS” of chapter 3.

Test: Plant Kingdom - 1 - Question 25

Pteridophytes differ from mosses/ bryophytes in possessing

Detailed Solution for Test: Plant Kingdom - 1 - Question 25
  • Pteridophytes are most primitive vascular flowerless, spore-producing cryptogamic land plants, commonly called vascular cryptogams.
  • They are sometimes called as Amphibians/botanical snakes/spore producing seedless tracheophytes.
  • They are the first vascular land plants to have an independent sporophyte diploid plant body with true root, stem and leaves.
  • In contrast bryophytes, the amphibians of the plant kingdom are devoid of true roots, stem, and leaves, with no vascular supply but root-like, non-vascular rhizoids, leaf-like, and stem-like structures are present.

Hence, the correct option is C.
NCERT Reference: Page no. 36 of topic “3.3 PTERIDOPHYTES” of chapter 3. 

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