Plant Kingdom · Biology · NEET

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Which classes of algae possess pigment fucoxanthin and pigment phycoerythrin, respectively ?

Which of the following statements is true?

Identify the pair of heterosporous pteridophytes among the following :

Given below are two statements : One labelled as Assertion A and the other labelled as Reason R: Assertion A : The first stage of gametophyte in the l...

Match List-I with List-II : .tg {border-collapse:collapse;border-spacing:0;} .tg td{border-color:black;border-style:solid;border-width:1px;font-fami...

Read the following statements and identify the characters related to the alga shown in the diagram : (a) It is a member of Chlorophyceae (b) Food is ...

Hydrocolloid carrageen is obtained form :

Which of the following is incorrectly matched?

Match the plant with the kind of life cycle it exhibits: .tg {border-collapse:collapse;border-spacing:0;} .tg td{border-color:black;border-style:sol...

Gemmae are present in

Which of the following algae produce Carrageen?

Which of the following algae contains mannitol as reverse food material?

Which of the following pairs is of unicellular algae?

Floridean starch has structure similar to

Strobili or cones are found in

From evolutionary point of view, retention of the female gametophyte with developing young embryo on the parent sporophyte for some time, is first obs...

Which one is wrongly matched?

Which of the following statements is correct?

An example of colonial alga is

Select the mismatch

Zygotic meiosis is characteristic of

Life cycles of Ectocarpus and Fucus respectively are

Conifers are adapted to tolerate extreme environmental conditions because of

Which one of the following statements is wrong?

In bryophytes and pteridophytes, transport of male gametes requires

Select the correct statement

Which one of the following statements is wrong?

In which of the following, gametophyte is not independent free living?

Read the following five statements (A to E) and select the option with all correct statements. A.   Mosses and lichens are the first or...

Male gametes are flagellated in

Which one of the following is wrong about Chara?

Male gametophyte with least number of cells is present in

Which of the following is responsible for peat formation?

Syngamy can occur outside the body of the organism in

What is common in all the three, Funaria, Dryopteris and Ginkgo?

Which one of the following is wrongly matched?

The plant body is thalloid in

Select the wrong statement

Isogamous condition with non-flagellated gametes is found in

Monoecious plant of Chara shows occurrence of

Read the following statements (A - E) and answer the question which follows them. (A)   In liverworts, mosses and ferns gametophytes ar...

Which one of the following pairs is wrongly matched?

Read the following five statements (A - E) and answer as asked next to them. (A)   In Equisetum, the female gametophyte is retained on ...

How many organisms in the list given below are autotrophs? Lactobacillus, Nostoc, Chara, Nitrosomonas, Nitrobacter, Streptomyces, Saccharomyces, Trypa...

Which one of the following is common to multicellular fungi, filamentous algae and protonema of mosses?

Which one of the following is a correct statement?

Cycas and Adiantum resemble each other in having

Selaginella and Salvinia are considered to represent a significant step toward evolution of seed habit because

Consider the following four statements whether they are correct or wrong. A.   The sporophyte in liverworts is more eleborate than tha...

Examine the figure given below and select the correct option giving all the four parts (A, B, C and D) rightly identified. ...

The gametophyte is not an independent, free-living generation in

Compared with the gametophytes of the bryophytes, the gametophytes of vascular plants tend to be

Archegoniophore is present in

A prokaryotic autotrophic nitrogen fixing symbiont is found in

Which one of the following is monoecious?

Examine the figures A, B, C and D. In which one of the four options all the items A, B, C and D are correct? ...

Male and female gametophytes are independent and free-living in

Algae have cell wall made up of:

Which one of the following is a vascular cryptogam?

Which one of the following is considered important in the development of seed habit?

Mannitol is the stored food in

Which one of the following has haplontic life cycle?

Which one of the following plants is monoecious?

Select one of the following pairs of important features distinguishing Gnetum from Cycas and Pinus and showing affinities with angiosperms. ...

In which one of the following male and female gametophytes do not have free living independent existance?

Which one of the following is heterosporous?

In gymnosperms, the pollen chamber represents

Spore dissemination in some liverworts is added by

In the prothallus of a vascular cryptogam, the antherozoids and eggs mature at different times. As a result

Flagellated male gametes are present in all the three of which one of the following sets?

If you are asked to classify the various algae into distinct groups, which of the following characters you should choose?

Peat moss is used as a packing material for sending flowers and live plants to distant places because

Conifers differ from grasses in the

In a moss, the sporophyte

Auxospores and hormogonia are formed, respectively, by

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Ectophloic siphonostele is found in

Top-shaped multiciliate male gametes and the nature seed which bears only one embryo with two cotyledons, are characterised features of

Diversification in plant life appeared

Angiosperms have dominated the land flora primarily because of their

Which one of the following pairs of plants are not seed producers?

Sexual reproduction in Spirogyra is an advanced feature because it shows

Plants reproducing by spores such as mosses and ferns are grouped under the general term

Which one pair of examples will correctly represent the grouping spermatophyta according to one of the schemes of classifying plants?

Which of the following is without exception in angiosperms?

Which of the following plants produces seeds but not flowers?

Cycas has two cotyledons but not included in angiosperms because of

A student observed an algae with chlorophyll a, b and phycoerythrin, it should belong to

In ferns, meiosio takes place at the time of

Plant group with largest ovule, largest tree, and largest gametes is