$ Those plants which produce seeds, without the formation of fruits are called Gymnosperms. ! Endosperm is triploid in Angiospherms

1 Answer

Answer :

$ Those plants which produce seeds, without the formation of fruits are called Gymnosperms. ! Endosperm is ... D. If both As and R are wrong.

Related questions

Description : $ Angiosperms produce seeds, but do not produce fruits. ! Fruit and seed formation occurs in Gymnosperms.

Last Answer : $ Angiosperms produce seeds, but do not produce fruits. ! Fruit and seed formation occurs in Gymnosperms. A. ... wrong D. If both As and R are wrong.

Description : .In Pinus/Cycas/gymnosperms, the endosperm is (a) triploid (b) haploid (c) diploid (d) tetraploid.

Last Answer : (b) haploid

Description : $ Double fertilization and triple fusion occurs in Angiosperms. ! Triple fusion produces triploid type of endosperm.

Last Answer : $ Double fertilization and triple fusion occurs in Angiosperms. ! Triple fusion produces triploid type of endosperm ... D. If both As and R are wrong.

Description : .The endosperm of gymnosperm is (a) diploid (b) polyploid (c) triploid (d) haploid.

Last Answer : (d) haploid.

Description : Endosperm in gymnosperm is............. a) haploid b)diploid c)triploid d)tetraploid

Last Answer : a) haploid

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 : $ Zygotic meiosis occurs at the time of germination of zygote. ! Zyogote may be diploid or triploid

Last Answer : $ Zygotic meiosis occurs at the time of germination of zygote. ! Zyogote may be diploid or triploid A. If ... is wrong D. If both As and R are wrong.

Description : Tetraploid watermelon must be pollinated by ____ plants to produce a seedless watermelon a. Triploid b. Aneuploid c. Diploid d. Tetraploid

Last Answer : Diploid

Description : Conifers differ from grasses in the (a) formation of endosperm before fertilization (b) production of seeds from ovules (c) lack of xylem tracheids (d) absence of pollen tubes.

Last Answer : (a) formation of endosperm before fertilization

Description : $ Annual plants live for only one favourable season. ! Polycarpic plants are those which produces flowers and fruits many times during their life span

Last Answer : $ Annual plants live for only one favourable season. ! Polycarpic plants are those which produces flowers and ... D. If both As and R are wrong.

Description : n Pinus/gymnosperms, the haploid structure are (a) megaspore, endosperm and embryo (b) megaspore, pollen grain and endosperm (c) megaspore, integument and root (d) pollen grain, leaf and root.

Last Answer : (b) megaspore, pollen grain and endosperm

Description : Which one is a wrong statement? (a) Haploid endosperm is typical feature of Gymnosperms. (b) Brown algae have chlorophyll a and c and fucoxanthin. (c) Archegonia are found in Bryophyta, Pteridophyta and Gymnosperms. (d) Mucor has biflagellate zoospores

Last Answer : (d) Mucor has biflagellate zoospores

Description : $ Plants which live for many years are called perennials. Perennials which produce flowers and seeds only once during their life span are called monoc

Last Answer : $ Plants which live for many years are called perennials. Perennials which produce flowers and seeds only once ... D. If both As and R are wrong.

Description : $ Cryptogams are those plants which have large sized sex organs. ! Pteridophytes are the cryptogams without embryo formation.

Last Answer : $ Cryptogams are those plants which have large sized sex organs. ! Pteridophytes are the cryptogams without embryo ... D. If both As and R are wrong.

Description : $ Tracheophytes are the plants with vascular tissues. ! Tracheophytes are of three types (i) Pteridophytes (ii) Gymnosperms (iii) Angiosperms

Last Answer : $ Tracheophytes are the plants with vascular tissues. ! Tracheophytes are of three types (i) Pteridophytes (ii ... D. If both As and R are wrong.

Description : The nutritive tissue in the seeds of higher plants is known as - (1) hypocotyl (2) embryo (3) endosperm (4) nucellus

Last Answer : (3) endosperm Explanation: The seed includes three primary regions: the embryo, nutritive tissue, and seed coat. Endosperm is a nutritive tissue that sustains the embryo and seedling. The endosperm may ... the embryo as in many legumes, which use the cotyledons as a food source during germination.

Description : The nutritive tissue in the seeds of higher plants is known as (1) hypocotyl (2) embryo (3) endosperm (4) nucellus

Last Answer : endosperm

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 : In which of the following would you place the plants having vascular tissue lacking seeds? (a) Pteridophytes (b) Gymnosperms (c) Algae (d) Bryophytes

Last Answer : (a) Pteridophytes

Description : Self fertility refers to the ability of a variety to produce fruits with viable ___: a. Pollens b. Seeds c. Ovules d. Ovaries

Last Answer : Seeds

Description : $ Sieve tubes have "P" proteins. ! In gymnosperms, sieve tubes are associated with albuminous cells.

Last Answer : $ Sieve tubes have "P" proteins. ! In gymnosperms, sieve tubes are associated with albuminous cells. A. If ... is wrong D. If both As and R are wrong.

Description : Fruits are not produced in gymnosperms.  Why?

Last Answer : Because they are without an ovary

Description : The seeds which have separate endosperm: (1) Maize (2) Onion (3) Rice (4) Bean

Last Answer : Ans. ((a))

Description : Albuminous seeds store their reserve food mainly in (a) endosperm (b) cotyledons (c) hypocotyl (d) perisperm.

Last Answer : (a) endosperm

Description : Which one of the following statements is correct? (a) In tomato, fruit is a capsule. (b) Seeds of orchids have oil-rich endosperm. (c) Placentation in primose is basal. (d) Flower of tulip is a modified shoot.

Last Answer : (d) Flower of tulip is a modified shoot.

Description : Selaginella and Salvinia are considered to represent a significant step toward evolution of seed habit because (a) female gametophyte is free and gets dispersed like seeds (b) female gametophyte ... by seed coat (d) embryo develops in female gametophyte which is retained on parent sporophyte.

Last Answer : (b) female gametophyte lacks archegonia

Description : Why do plants make seeds and fruits?

Last Answer : A fruit is the part of a flowering plant that contains the seeds.The fruit protects the seeds and also helps to spread them. Many fruits are good to eat and attract small animals, such as ... like to feed on them. The seeds pass through them unharmed and then get spread through their droppings.

Description : Parthenocarpic tomato fruits can be producedby (a) treating the plants with phenylmercuric acetate (b) removing androecium of flowers before pollen grains are released (c) treating the plants with low concentrations of gibberellic acid and auxins (d) raising the plants from vernalized seeds

Last Answer : (c) treating the plants with low concentrations of gibberellic acid and auxins

Description : Which group of plants have seeds, but no fruits?

Last Answer : Ans: Gymnosperms. 

Description : $ Those two pairs of genes which if present in dominant stage, do not produce any expression but when present collectively in dominant stage, produce

Last Answer : $ Those two pairs of genes which if present in dominant stage, do not produce any expression but when ... wrong D. If both As and R are wrong.

Description : In angiosperm, triple fusion is necessary for the formation of: (a) Embryo (b) Pollen (c) Endosperm (d) Leaf

Last Answer : Ans. ((c))

Description : 102.Perisperm differs from endosperm in (a) being a diploid tissue (b) its formation by fusion of secondary nucleus with several sperms (c) being a haploid tissue (d) having no reserve food.

Last Answer : (a) being a diploid tissue

Description : 2. Perisperm and endosperm differ in a. Being a diploid tissue b. Being a haploid tissue c. Having no reserve food d. Formation of perisperm by fusion of the secondary nucleus with many sperms

Last Answer : d. Formation of perisperm by fusion of the secondary nucleus with many sperms

Description : Perisperm differs from endosperm in :a)Being a diploid tissueb)Its formation by fusion of secondary nucleus with several sperms c)Being a haploid tissued)Having no reserve food

Last Answer : 3Being a diploid tissue

Description : Parthenocarpy refers to : a. Seedless fruits b. Fruit without pollination c. Seeds without pollination d. None of above

Last Answer : Fruit without pollination

Description : The role of double fertilisation in angiosperms is to produce (a) cotyledons (b) endocarp (c) endosperm (d) integuments.

Last Answer : (c) endosperm

Description : $ The process of formation of polysaccharides by condensation of monomers is called hydrolysis. Glycogen is a stored food materials found in plants.

Last Answer : $ The process of formation of polysaccharides by condensation of monomers is called hydrolysis. Glycogen is a ... D. If both As and R are wrong.

Description : With reference to plant tissue culture select the matching pair: (1) Sterile triploid—banana and seedless fruit (2) Somaclonal variations—differences appearing (3) Embryoids—non-zygatic embryo produced from somatic cells (4) Pulses—belong to cruciferae

Last Answer : Ans. ((a))

Description : . If a diploid cell is treated with colchicine then it becomes (a) triploid (b) tetraploid (c) diploid (d) monoploid

Last Answer : (b) tetraploid

Description : Generally seedless watermelon is — a. Haploid b. Diploid c. Triploid d. Hexaploid

Last Answer : c. Triploid

Description : $ Those parts of the plants which help in vegetative reproduction are called propagules. ! Vegetative propagation is a type of Asexual reproduction

Last Answer : $ Those parts of the plants which help in vegetative reproduction are called propagules. ! Vegetative propagation ... D. If both As and R are wrong.

Description : $ Secondary growth occurs in those plants which have closed vascular bundles. ! Cork is produced by intrafascicular cambium.

Last Answer : $ Secondary growth occurs in those plants which have closed vascular bundles. ! Cork is produced by ... D. If both As and R are wrong.

Description : $ Air layering is performed in those plants which have many, long flexible branches near the soil level. ! Layering method of vegetative propagation i

Last Answer : $ Air layering is performed in those plants which have many, long flexible branches near the soil level. ! ... wrong D. If both As and R are wrong.

Description : $ Funaria plant is monoecious. ! Monoecious plants are those which are always unisexual.

Last Answer : $ Funaria plant is monoecious. ! Monoecious plants are those which are always unisexual. A. If both As and ... wrong D. If both As and R are wrong.

Description : $ Homologous organs are those which are functionally similar but different by origin. ! Homothallic plants are those which are unisexual.

Last Answer : $ Homologous organs are those which are functionally similar but different by origin. ! Homothallic plants are ... D. If both As and R are wrong.

Description : $ Halophytes are those plants which grow in salty soils. Heliophytes are those plants which grown in direct sunlight

Last Answer : $ Halophytes are those plants which grow in salty soils. Heliophytes are those plants which grown in direct ... wrong D. If both As and R are wrong.

Description : Look at the illustration of the flower. How many fruits and seeds can develop from this flower?

Last Answer : 1 fruit and 5 seeds

Description : Which hormone is found in fruits, flowers, seeds, leaves and roots ?

Last Answer : Ethylene hormone is found in fruits, flowers, seeds, leaves and roots.

Description : What type of fruits the animals and fruits and how they disperse seeds?

Last Answer : Feel Free to Answer

Description : Vitamin B is found in-----? A. Sea Foods B. Fruits and Vegetables C. Seeds (Answer) D. None of these

Last Answer : C. Seeds (Answer)