MERIT YARD

[Class 11th - Biology - Plant Kingdom - MERIT YARD]

Question 1 / 40Which of the following is known as 'Amphibians of plant kingdom'?

A) Algae

B) Bryophytes

C) Pteridophytes

D) Gymnosperms

Question 2 / 40Agar-agar is obtained from which algae?

A) Ulothrix

B) Spirogyra

C) Gelidium

D) Volvox

Question 3 / 40Evolutionary, the first terrestrial plants to possess vascular tissues are:

A) Pteridophytes

B) Bryophytes

C) Gymnosperms

D) Angiosperms

Question 4 / 40The giant Redwood tree (Sequoia) is a/an:

A) Angiosperm

B) Pteridophyte

C) Algae

D) Gymnosperm

Question 5 / 40Pyrenoids are found in the chloroplast of:

A) Algae

B) Fungi

C) Bryophytes

D) Pteridophytes

Question 6 / 40In Bryophytes, the dominant phase in the life cycle is:

A) Sporophyte

B) Gametophyte

C) Zygote

D) Spore

Question 7 / 40Which of the following algae is used as food by space travelers?

A) Gelidium

B) Chlorella

C) Laminaria

D) Polysiphonia

Question 8 / 40Naked seeds are found in:

A) Pteridophytes

B) Bryophytes

C) Gymnosperms

D) Angiosperms

Question 9 / 40Fusion of two gametes which are dissimilar in size is called:

A) Isogamous

B) Anisogamous

C) Oogamous

D) Zoogamous

Question 10 / 40Floridean starch is the stored food in:

A) Brown algae

B) Green algae

C) Blue-green algae

D) Red algae

Question 11 / 40Double fertilization is a unique characteristic of:

A) Angiosperms

B) Gymnosperms

C) Pteridophytes

D) Bryophytes

Question 12 / 40Peat is obtained from:

A) Marchantia

B) Sphagnum

C) Funaria

D) Polytrichum

Question 13 / 40Sexual reproduction in Volvox is:

A) Isogamous

B) Anisogamous

C) Oogamous

D) Budding

Question 14 / 40In which of the following, gametophyte is NOT independent?

A) Pteridophytes

B) Bryophytes

C) Gymnosperms

D) Algae

Question 15 / 40Phylogenetic system of classification was given by:

A) Engler and Prantl

B) Linnaeus

C) Bentham and Hooker

D) Aristotle

Question 16 / 40The leaf-like photosynthetic organ in brown algae is called:

A) Holdfast

B) Stipe

C) Frond

D) Thallus

Question 17 / 40Gemma cups are found in:

A) Marchantia

B) Sphagnum

C) Selaginella

D) Ferns

Question 18 / 40Heterospory is found in:

A) Dryopteris

B) Selaginella

C) Adiantum

D) Equisetum

Question 19 / 40Which of the following is a 'living fossil'?

A) Pinus

B) Ginkgo

C) Cycas

D) Cedrus

Question 20 / 40Algin is obtained from:

A) Brown algae

B) Red algae

C) Green algae

D) Blue-green algae

Question 21 / 40Which of the following is called 'Vascular Cryptogams'?

A) Bryophytes

B) Pteridophytes

C) Gymnosperms

D) Angiosperms

Question 22 / 40Coralloid roots of Cycas contain:

A) Cyanobacteria

B) Fungi

C) Virus

D) Protozoa

Question 23 / 40Protonema stage is found in the life cycle of:

A) Liverworts

B) Mosses

C) Ferns

D) Gymnosperms

Question 24 / 40In which group, the endosperm is formed before fertilization and is haploid?

A) Angiosperms

B) Gymnosperms

C) Pteridophytes

D) Bryophytes

Question 25 / 40Numerical taxonomy is based on:

A) Observable characteristics

B) Chromosome number

C) Chemical constituents

D) Evolutionary history

Question 26 / 40The male and female gametophytes do not have an independent free-living existence in:

A) Pteridophytes

B) Bryophytes

C) Gymnosperms

D) Algae

Question 27 / 40Haplodiplontic life cycle is found in:

A) Ectocarpus and Polysiphonia

B) Volvox

C) Fucus

D) Spirogyra

Question 28 / 40The cell wall of algae is made of:

A) Cellulose, Galactans and Mannans

B) Hemicellulose and Pectin

C) Chitin

D) Muramic acid

Question 29 / 40Classification given by Bentham and Hooker is:

A) Artificial

B) Natural

C) Phylogenetic

D) Cytotaxonomy

Question 30 / 40Archegonium is absent in:

A) Bryophytes

B) Pteridophytes

C) Gymnosperms

D) Angiosperms

Question 31 / 40Red algae differ from green and brown algae in:

A) Having no flagellated stages

B) Presence of chlorophyll a

C) Sexual reproduction

D) Stored food

Question 32 / 40Mannitol is the stored food in:

A) Chlorophyceae

B) Phaeophyceae

C) Rhodophyceae

D) Cyanophyceae

Question 33 / 40Which of the following is an example of liverwort?

A) Marchantia

B) Funaria

C) Sphagnum

D) Polytrichum

Question 34 / 40Horse-tails belong to:

A) Psilopsida

B) Sphenopsida

C) Lycopsida

D) Pteropsida

Question 35 / 40Smallest angiosperm is:

A) Wolffia

B) Eucalyptus

C) Rafflesia

D) Mango

Question 36 / 40Mycorrhiza in Pinus is a symbiotic association between root and:

A) Fungus

B) Algae

C) Bacteria

D) Virus

Question 37 / 40Diplontic life cycle is characteristic of:

A) Bryophytes

B) Pteridophytes

C) Gymnosperms and Angiosperms

D) All Algae

Question 38 / 40Hydrocolloids like Carrageen are obtained from:

A) Brown Algae

B) Red Algae

C) Green Algae

D) Fungi

Question 39 / 40The sporophyte is dependent on gametophyte in:

A) Pteridophytes

B) Bryophytes

C) Gymnosperms

D) Angiosperms

Question 40 / 40In which class of algae, flagella are 2, unequal and lateral?

A) Chlorophyceae

B) Phaeophyceae

C) Rhodophyceae

D) All of these