which structures were required for the evolution of the ferns and gymnosperms? -General Knowledge

1 Answer

Answer :

Megaphylls and vascular tissue were required for the evolution of the ferns and gymnosperms.

Related questions

Description : Delicious chilgoza seeds, commercially important products such as turpentine and resin and the drug ephedrine, useful in asthma and other respiratory ailments, are all obtained from plants that are (a) Ferns (b) Algae (c) Monocotyledons and dicotyledons (d) Gymnosperms

Last Answer : Ans:(d)

Description : A plant having seeds but lacking flowers and fruits belongs to (a) pteridophytes (b) mosses (c) ferns (d) gymnosperms.

Last Answer : (d) gymnosperms.

Description : 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 ... How many of the above statements are correct? (a) Three (b) Four (c) One (d) Two

Last Answer : (a) Three

Description : which of the following structures are found in gymnosperms but not in angiosperms? -General Knowledge

Last Answer : Cones are found in gymnosperms but not in angiosperms.

Description : The reproductive structures in gymnosperms are

Last Answer : cones.

Description : In gymnosperms, the female gametes are produced in structures called

Last Answer : megasporophyll.

Description : In gymnosperms, the male gametes are produced in structures called

Last Answer : microsporophyll.

Description : Assertion :- Analogous structures are a result of convergent evolution. Reason :- Different strutures evolving for the same function and hence having

Last Answer : Assertion :- Analogous structures are a result of convergent evolution. Reason :- Different strutures ... . If both Assertion & Reason are false.

Description : The wings of a bird and the wings of an insect are (a) phylogenetic structures and represent divergent evolution (b) homologous structures and represent convergent evolution (c) homologous structures and represent divergent evolution (d) analogous structures and represent convergent evolution.

Last Answer : (d) analogous structures and represent convergent evolution.

Description : Analogous structures are a result of (a) shared ancestry (b) stabilising selection (c) divergent evolution (d) convergent evolution

Last Answer : (d) convergent evolution.

Description : Plants reproducing by spores such as mosses and ferns are grouped under the general term (a) cryptogams (b) bryophytes (c) sporophytes (d) thallophytes

Last Answer : (a) cryptogams

Description : I am getting a couple of plant stands for my new place and would love a few hanging ferns to go with them. Suggestions?

Last Answer : I’ve always liked Boston or Asparagus Ferns. English Ivy is hard to kill it’s so easy to care for. Just cut it back once in a while. I also like Peperomia. It’s not ivy or fern but it’s very easy to grow and looks good with the others. I’ll have to check the spelling on that.

Description : can i bring my outdoor ferns inside for the winter? Do they need special care?

Last Answer : most of the ferns that I have-- you can leave them outside--- zone 4- no maintenance at all

Description : how do i bring porch ferns inside for the winter

Last Answer : Just to be very honest with you...........they are very messy inside plants.................you need to dip them outside......and treat for bugs.............check in Walmart which ones you can use ... bathroom where it gets more moisture. They need to be misted..........Happy Fall.................

Description : Why are my ferns leaves turning brown and brittle?

Last Answer : Need Answer

Description : Florida- why are the leaves on our australian ferns turning brown?

Last Answer : Is it possible that a male dog visited that spot?

Description : having problems growing ferns under a tree, is it the location?

Last Answer : it's the locations................they are competing for the same ground................watering is different.............

Description : How can I propagate ferns?

Last Answer : Need Answer

Description : where do most off the worlds ferns grow?

Last Answer : Need Answer

Description : do staghorn ferns require special fertilizer?

Last Answer : Need Answer

Description : how to grow staghorn ferns

Last Answer : Need Answer

Description : The question was regarding staghorn ferns and how to plant.

Last Answer : Need Answer

Description : when to transplant ferns in your yard.

Last Answer : Need Answer

Description : How do you use epsom salt and water on ferns

Last Answer : I am going to refer you to a fern site called www.whiteflowerfarm.com/growing-and-planting-garden-ferns.html

Description : what kind of diseases can out door ferns get

Last Answer : Need Answer

Description : How to control disease on outdoor ferns

Last Answer : Need Answer

Description : how to care for staghorn ferns

Last Answer : Need Answer

Description : Where do fiddlehead ferns grow? -Biology

Last Answer : answer:

Description : What is a sorus in ferns? -Biology

Last Answer : answer:

Description : What is a sorus in ferns? -Biology

Last Answer : answer:

Description : What dose it mean to say Ferns are green plants?

Last Answer : Need answer

Description : Sporocarp is a reproductive structure of (a) Some algae (b) Some aquatic ferns (c) Angiosperms having spores (d) Bryophytes

Last Answer : Ans. ((b))

Description : Consider the following statements about pollination. 1. Transfer of pollen grains from the anther to ovules in the same flower or a different f lower is called pollination. 2. The pollination by wind is called anemophily. 3. Pollination is a ... 1 and 3 (b) 1, 2 and 4 (c) Only 2 (d) 1, 2, 3 and 4

Last Answer : Ans:(c)

Description : The non-green heterotrophic plants of plant kingdom are - (1) mosses (2) ferns (3) algae (4) fungi

Last Answer : (4) fungi Explanation: Animals and non-green plants cannot prepare their own food and depend directly or indirectly on green plants for their nutrition. This mode of nutrition is called heterotrophic ... of nutrition. But, they are classified under plant kingdom as they have many plant characters.

Description : Mention the economic importance of pteridophytes/ferns.

Last Answer : a) Ferns are grown for their ornamental value. b) Leaves of pteridophytes are used in making flower bouquet. c) Some ferns are of medicinal importance. d) Some ferns like horse-tail and club mosses are involved in the formation of fossil fuels like coal and petroleum.

Description : Which of the following represent maximum number of species among global biodiversity? (a) Fungi (b) Mosses and Ferns (c) Algae (d) Lichens

Last Answer : (a) Fungi

Description : The most thoroughly studied of the known bacteria- plant interactions is the (a) cyanobacterial symbiosis with some aquatic ferns (b) gall formation on certain angiosperms by Agrobacterium (c) ... stems by nitrogen fixing bacteria (d) plant growth stimulation by phosphate- solubilising bacteria.

Last Answer : (b) gall formation on certain angiosperms by Agrobacterium

Description : Turpentine is got from (a) angiospermous wood (b) bryophytes (c) gymnospermous wood (d) ferns.

Last Answer : (c) gymnospermous wood

Description : In ferns, meiosis takes place at the time of (a) spore formation (b) spore germination (c) gamete formation (d) antheridia and archegonia formation.

Last Answer : (a) spore formation

Description : Syngamy can occur outside the body of the organism in (a) mosses (b) algae (c) ferns (d) fungi.

Last Answer : (b) algae

Description : Which of the following are the most common bryophytes? a) ferns b) cone-bearing plants c) mosses and liverworts d) flowering plants

Last Answer : ANSWER: C -- MOSSES AND LIVERWORTS

Description : The non-green heterotrophic plants of plant kingdom are (1) mosses (2) ferns (3) algae (4) fungi

Last Answer : fungi

Description : A plant which reproduces by means of spores (1) Mustard (2) Coriander (3) Ferns (4) Petunia

Last Answer : Ferns

Description : Generality is the measure of _____________ a) Ease with which the method can be adapted to different domains of application b) The average time required to construct the target knowledge structures ... unreliable feedback and with a variety of training examples d) The overall power of the system

Last Answer : a) Ease with which the method can be adapted to different domains of application

Description : Metals, in general are of low strength and do not possess required physio-chemical and technological properties for a definite purpose. Alloys are therefore more than metals alone. Discuss the arrangement of atoms and Structures of alloys.

Last Answer : Alloys are produced by melting or sintering two ore more metals, or metals and a non-metal, together. Alloys possess typical properties inherent in the metallic state. The chemical elements ... an alloy are its individual portions, each having a single structure with its characteristic features.

Description : State the materials required for irrigation structures in general. 

Last Answer : 1) Cement 2) Aggregate 3) Sand 4) Soil 5) Brick 6) Fly Ash 7) Tiles 8) Stones 9) Steel 10) Bitumen etc. 

Description : which one of the following elements is required for photosynthesis oxygen evolution

Last Answer : which one of the following elements is required for photosynthesis oxygen evolution A. Copper B. Iron C. Manganese D. Zinc

Description : Companion cells in gymnosperms? -Biology

Last Answer : answer:

Description : Important characteristics of gymnosperms. -Biology

Last Answer : answer:

Description : Who coined the term gymnosperms? -Biology

Last Answer : answer: