11th Class Biology MCQs Chapter No.9 MCAT Quiz Download

The simples bryophytes are

Lycopsida are commonly called

Short thick and underground stem is found in

The acidic fruit of TaMarindus Indica are rich in

In horn worts at the junction of foot and spore forming region which structure is present

Tick the correct relationship

The single healthy megaspore retained with the magasporangium germinates to forMan egg containing female gametophyte called:

Certain grasses yield aromatic oils e.g

A sorous has three main parts

Family of sweat pea is:

First complete seeds appeared about 365 million years ago during late

Plants used to make ropes

The male gametophyte of an angiosperm is the

The brownish coveting of rhizome of adiantum is

Important terrestrial adaptations that evolved exclusively in seed plants include all of the following except

The part of flower which develops into fruit is:

The thalloid gametophyte of_________ does not depend upon sporophyte for nourishment.

Two kinds of spores are present:

A haploid spermatozoid fuses with haploid egg to produce diploid:

The plant is not homosporous.

Female gametophyte in flowering plants is

Gama cups of marcantla are Involved In

An underground stem which groi; laterally from normal axis

The mega gametophyte of angiosperms contains

The phenomenon involved in the fertization by movement of sperims

Which of the following gives rise to protonema on its germination;

Selaginella is

Living genus of psilopsida is:

Tick the wrong relationship

Zea mays is the biological name of:

One of the oldest fossil plant is the:

Tracheophyta is further sub-divided into :

All seed producing plants are called

Which of the following is not found in any member of bryophyte

Which group of plants exhibit maximum diversity?

Clitoris ternates Is used against:

Out of 360,000 known species of plants how many belong to angrosperm.

Tubercles at the base of the leaves of lycopsids are

Circinate venation is the characteristic feature of

Gametophyte in bryophytes is:

All bryophytes (mosses, liverworts, and hornworts) share certain characteristics. These are

Double fertilization is a characteristic of:

Which one of following is not extinct?

Gametophyte of psilopsids is

In which condition ovary is superior

The immature and young frond is coiled, this pattern of development in called

The first complete seed plant appeared in the period.

False indusium covers the

Which family of angiosperms has greater commercial importance than any other family

Roots that arise from lower side of the rhizome are called

The male gametophyte of an angiosperm is

Yew is the common name for

The process of evolution of leaf in plants was completed in more than

Bryophytes are.

Which of the following comprises of synergids, egg cells, antipodal coils and polar nuclei?

A flower consists of which of the followings.

Fliament of the stamen is

The ferns are mostly.

Horsetail belongs to subdivision;

_______is used as base for laxatives

Pollen tube of pollen grain carry male gametes deep Into fertilize the egg

Cilia used as organ of locomotion by in ferns.

Whisk ferns are

A plant which show double fertilization

Pericarp is

A structure which is formed inside microspore wall and it includes the male gametes or sperm is called

A heterosporous plant is one that

First time leavei are evolved from.

Double fertilization is characteristics of which of the following?

The magasporangium after fertilization is transformed into a seed & the integuments becoming the:

Haploid stage during life cycle of bryophytes starts !begins with and ends at respectively.

Members of subdivision Hepaticopsida are commonly called

At the tips of the branches in psilopsids are produced the:

Microspore of seed plants that contain micro gametophyte included gametes is called:

Vida, Melilotus and Trifoluim are culthiated as

The pistils of graminae are

Gametophyte of lycopsids

In angisperms-male gametes are formed in the

The wood of Albizzia labbek is used In

In sporophyte of adiantum the group of sporangia are protected by bunt margins of pinnules called

Which one of the following group is not placed in kingdom Plantae, in latest classification system?

Papiliona ceous term is used for

Microphylls of lycopods are

Sporophyte of adianturn is

Ligules are

Capsicum frutescens belongs to family

Sori are

World's horse best fooden crop is

Imbricate may be defined as

Archegonia and antheridia formclusters and missed with sterile hairs to form

In which plants leaves.are always in whorls

Polytrichum is a

Sori are protected by the bent margins of the leaflet forming false.

The extant plants of psilopsida are

Plant differ from algae as they have

Endosperm of flowering plants is

Trachieds are found in

Ovule of angiosperms is protected by

The common name for Solanum Melanoma is:

Megagametophyte of a flowering plants consist of how many cells

Pteridium is the plant of

How.many species of liverworts and selaginella are discovered respectively

Formation of is the characteristic of angiosperms because in it megasporohyll become folded and joined at margins.

The simplest of all bryophytes are

Vasuclar System is absent in :

Dichotimous division is present in

Mosses are :

Maiden hair ferns are so called because

The bark of Bauhinia is used in

Chick pea is

Porela is an example.of class

The leaflet show dichotomous venation in

Leaves in the form of scale like outgrowths are shown by

Arachis hypogea is the common name for

Transport of H2O, minerals and prepared food in nonvascular plants occur through

Apple and Pear belongs to plant family:

Fronds are

Prothalus of adiantum is

After pollination the pollens are transferred to which of the follwing part of

The biological name of Kachnar

Sporophyte of which plants is less conspicous

Arachis hypogia belongs to family:

Rhynia had

Oil extracted fronthe seeds of.Cytiometera caullflora is used for

Bryophytes are generally through to have evolved from

The piocess of evolution of leaf was completed in more than million years:

What is similar between bryophytes and psilopsida?

Pinus is a plant is which fertilization occur after, of pollination

Small leaves having a single undivided vein are called:

In Angiosperms the Ovary matures into which of the following structure after fertilization.

Which of the following .plants called arthrophytes.

Which is called dormant embryo

Scattered Vascular bundles are found in the stems of

Family poaceati has a characteristic inflorescence called:

The plants of Sphenopsida are also called

The first division of zygotic nucleus at the time of its germination in bryo

Papilionaceae family is famous due to its main importance as source of

Amphibious plants belong to group

The number of species included in the class Hepaticae of bryophytes is

Plant used as blood purifier

Which of the following are regarded as non-essential parts of the flower?

A root less and leafless plant which produce sporangia on tips of branches

Calyptra is attached with

Which structure, in the life cycle of an angiosperm is triploid?

Pick the correct order

Earliest vascular plants like lycopsida lack

The broyophytes are non- vascular plants:

Which is used against snake bite

The hyaline-scales of javi are called

Katha is obtained from

Pulse producing plants are belonging to the family:

Which of the following plant is an example of false leafy liverworts

Confiers are the groups of

Arabic gum is obtained.frorn:. .

Technically a seed may be defined as a fertilized;

The nature of sporangia of ferns is

Rose family consist of about 100 genera and

Marchantia has now many thallus forms

The sporophyte of ______ lacks seta