Plant Kingdom

Syngamy can occur outside the body of the organism in

Read the following statements (A - E) and answer the question which follows them.
(A)   In liverworts, mosses and ferns gametophytes are free-living.
(B)   Gymnosperms and some ferns are heterosporous.
(C)   Sexual reproduction in Fucus, Vo...

Isogamous condition with non-flagellated gametes is found in

Monoecious plant of Chara shows occurrence of

Select the wrong statement

Which one of the following is a correct statement?

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

Cycas and Adiantum resemble each other in having

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 the parent sporophyte.
(B)   In Ginkgo, male gametophyte is not independent.
(C)   The sporophyte in Ricc...

How many organisms in the list given below are autotrophs?
Lactobacillus, Nostoc, Chara, Nitrosomonas, Nitrobacter, Streptomyces, Saccharomyces, Trypanosoma, Porphyra, Wolffia

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

Archegoniophore is present in

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

A prokaryotic autotrophic nitrogen fixing symbiont is found in

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

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

Consider the following four statements whether they are correct or wrong.
A.   The sporophyte in liverworts is more eleborate than that in mosses.
B.    Salvinia is heterosporous.
C.   The life-cycle in all seed-bearing plants is diplonti...

Algae have cell wall made up of:

Male and female gametophytes are independent and free-living in

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?

Which one of the following is monoecious?

Which one of the following plants is monoecious?

Mannitol is the stored food in

Which one of the following has haplontic life cycle?

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

Which one of the following is a vascular cryptogam?

Which one of the following is heterosporous?

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?

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

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

In gymnosperms, the pollen chamber represents

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

Spore dissemination in some liverworts is added by

In a moss, the sporophyte

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

Conifers differ from grasses in the

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

Ectophloic siphonostele is found in

Auxospores and hormogonia are formed, respectively, by

Match items in column \({\rm I}\) with those in column \({\rm I}\)\({\rm I}\).

.tg {border-collapse:collapse;border-spacing:0;}
.tg td{font-family:Arial, sans-serif;font-size:14px;padding:10px 5px;border-style:solid;border-width:1px;overf...

Angiosperms have dominated the land flora primarily because of their

Diversification in plant life appeared

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

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 of the following pairs of plants are not seed producers?

Which of the following is without exception in angiosperms?

Which of the following plants produces seeds but not flowers?