Chapter 3

The gametophyte of bryophyte develops from (a) A haploid spore (b) A diploid spore (c) Zygote (d) None of these

Zygote of bryophyte (a) Multiply and forms gametophyte (b) Multiply and forms sporophyte (c) Undergoes reduction division just after formation (d) All are correct

The dominant stage of gametophyte of mosses consists of (a) Protonema which develops from the lateral bud (b) A leafy stage developing from a spore (c) Both (a) and (b) (d) A leafy stage developing from the secondary protonema

Protonema is found in (a) Liverworts (b) Selaginella (c) Funaria (d) None

Which one is correct about protonema? (a) It is a dominant stage mosses (b) Develops from spore (c) It is creeping, green, branched and frequently filamentous (d) All are correct

Leafy stage in bryophytes (a) Develops from secondary protonema. (b) Consist of upright, slender axis and bears consist of alternately arranged leaves. (c) Attached to the soil through unicellular and branched rhizoids. (d) All of these

Sex organs in mosses develops on (a) Secondary protonema (b) Leafy stage (c) On capsule of sporophyte (d) None of these

Vegetative reproduction in mosses takes place by (a) Fragmentation and budding in secondary protonema (b) Binary fission (c) Spore dispersal (d) All of these

Sporophyte of mosses is more elaborated from (a) Ferns (b) Pinus (c) Polytrichum (d) Marchantia

Spores in bryophytes are formed by (a) Mitosis (b) Meiosis in gametophyte (c) Mitosis in zygote (d) Meiosis in zygote

Elaborate mechanism of spore dispersal is found in (a) Ferns (b) Mosses (c) Liverworts (d) None of these

Sphagnum belongs to (a) Ferns (b) Liverworts (c) Mosses (d) None of these

The first terrestrial plants to posses vascular tissues are (a) Gymnosperms (b) Bryophyte (c) Pteridophytes (d) All of these

The main plant body of pteridophytes is (a) Gametophytes as well as sporophyte (b) Sporophyte (c) None of these (d) Both (a) and (b)

The plant body of pteridophyte is (a) Not well-developed (b) Lacks vascular tissue (c) Is thalloid (d) Posses true root, leaves and stem

Pteridophytes have only (a) Small microphyllous leaves (b) Large macrophyllous leaves (c) Both microphyllous as well as macrophyllous in some of the ferns (d) All of the above

Which one is false about pteridophyte? (a) They flourish well moist and shady condition (b) They are found in cool damp and shady place (c) The xylem posses vessels (d) None of these

Prothallus is the gametophyte of (a) Bryophytes (b) Algae (c) Pteridophyte (d) Gymnosperm

The gametophyte of pteridophyte grows in damp, moist and shady places because (a) They are limited and restricted to a narrow geographical region. (b) They need water for fertilization of gametes formed on the gametophyte. (c) Water is required for gametogenesis. (d) Egg cell swims in water to reach to the antheridia.

Gametophyte of pteridophyte (a) Parasite on sporophyte (b) Not a free living stage (c) Photosynthetical and free living (d) Is unicellular

Vascular plants which do not bear seeds is (a) Angiosperms (b) Pteridophytes (c) Gymnosperms (d) None of these

Macrophylls leaves are characteristics of (a) Mosses (b) Ferns (c) Funaria (d) None of these

Pteridophyte having microphylls is (a) Ferns (b) Psilotum (c) Selaginella (d) All of these

The production of spores by the spore mother cells is the result of (a) Mitosis (b) Meiosis (c) Mitosis and meiosis both (d) Amitosis

The leaves bearing sporangia are called (a) Sporophylls (b) Fronds (c) Tropophylls (d) Scaly leaves

Cones in pteridophytes are formed in (a) Salvinia (b) Selaginella and lycopodium (c) Dryopteris (d) Selaginella and Equisetum

Spores in pteridophytes give rise to (a) Sporophyte (b) Parasite gametophyte (c) Free living gametophyte (d) Free living sporophyte

Which of the following are correct about pteridophytes? I. The sporophytes bear sporangia that are formed on the sporophylls. II. They are frequently grown as ornamentals. III. They are the first terrestrial plants to forms seeds. IV. Vascular tissues are absent in pteridophytes. V. some species flourish well in sandy soil conditions. (a) \(\mathrm{V}\) and IV (b) I, II and IV (c) III, IV and \(\mathrm{V}\) (d) I and II

Sex organs in pteridophytes are formed on the (a) Multicellular well-developed sporophyte. (b) Multicellular main gametophyte phase of the plant. (c) Photosynthetic, free living gametophyte. (d) Parasite, gametophyte dependent on sporophyte.

The male and female sex organs of pteridophyte are called (a) Globule and nucule respectively (b) Antheridia and archegonia respectively (c) Spermatangia and oogonia respectively (d) Tests and ovary respectively

Zygote of pteridophyte (a) Undergoes reduction division just often formation (b) Produces multicellular gametophyte (c) Produces multicellular sporophyte (d) Remains dormant

Majority of the pteridophytes are I. Homosporous and produce only one kind of spores. II. Aquatic in nature. III. Heterosporus and produce small and large spores. IV. Restricted to narrow geographical zone because of specific requirement of water. (a) I and II (b) II and III (c) III and IV (d) IV and I

Heterosporous pteridophytes are (a) Dryopteris and pteris (b) Selaginella and lycopodium (c) Selaginella and salyinia (d) Equisetum and Adiantum

Heterosporous plants are (a) Plants producing one kind of spores. (b) Plants producing large and small spores. (c) Plants producing two type of spores which are similar in size. (d) None of these

Megaspore germinate into (a) Female gametophyte (b) Gametophyte having both male and female sex organs (c) Male gametophyte (d) Male sporophyte

The female gametophytes are retained on the parent sporophyte in (a) Homosporous species of pteridophytes (b) Heterosporous species of pteridophytes (c) Both are correct (d) Both are incorrect

Process similar to seed habit considerably is observed in (a) Homosporous species of pteridophytes (b) Heterosporous species of pteridophyte (c) All the members of pteridophytes (d) Not seen in pteridophyte

Vascular plants, with seeds but no fruits are (a) Bryophyte (b) Angiosperms (c) Gymnosperms (d) Pteridophytes

In heterosporous pteridophyte (a) Zygote develops into young embryo in the female gametophyte. (b) Zygote multiples and develop into sporophyte in the soil. (c) All spores are similar (d) None of these

Naked seed plants are (a) Algae (b) Bryophyte (c) Angiosperms (d) Gymnosperms

Ovules are not enclosed by the ovaries in (a) Pteridophytes (b) Angiosperms (c) Gymnosperms (d) All of these

The tallest gymnosperms is (a) Sequoia (red wood tree) (b) Pinus (c) Cycas (d) Ginkgo

Coralloid roots having association with \(\mathrm{N}_{2}\) fixing bacteria are found in (a) Pinus (b) Cedrus (c) Sequoia (d) Cycas

In gymnosperms, the mycorrhizal association are found in (a) Cycas (b) Pinus (c) Cedrus (d) All of these

Gymnosperms (a) Are naked seeds plants (b) Have tap roots (c) Are heterosporous (d) All of these

Which of the following are correct for gymnosperms? I. Have adventitious root system. II. The leaves in gymnosperms can withstand extreme temperature, humidity and wind. III. Microspores are produced in microsporangia. IV. They include medium or tall sized trees and shrubs. (a) I and III (b) I, II and II (c) II, III and IV (d) I and IV

In cycas (a) The stems are unbranched. (b) The pinnately compound leaves persist for years. (c) Have symbiotic association with \(\mathrm{n}_{2}\) fixing cynobacteria. (d) All are correct.

Which of the following statements are correct for conifers? I. Needle like leaves to reduce surface area. II. Thick cuticle on leaves. III. Sunken stomata to reduce water loss. IV. The main plant body is gametophyte. (a) II and III (b) IV only (c) I only (d) II, I and III

Which of the following are correct for gymnosperms? I. They are heterosporous. II. They are the first vascular plants. III. Posses fruits IV. Requires water for fertilization. (a) I (b) I and II (c) II and III (d) I, II, III and IV

Male gametophyte which is highly reduced and confined to only limited numbers of cells is called (a) Antherozoid (b) Spermatozoid (c) Pollen grain (d) All of these