Double fertilization is found in: (a) Bryophytes (b) Angiosperms (c) Gymnosperms (d) Pteridophytes

Double fertilization is found in: (a) Bryophytes (b) Angiosperms (c) Gymnosperms (d) Pteridophytes
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Ans. ((b))
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Which of the following are mostly woody trees, always perennials and never herbs or annuals? (a) Angiosperms (b) Gymnosperms (c) Pteridophytes (d) Bryophytes

Description : Which of the following are mostly woody trees, always perennials and never herbs or annuals? (a) Angiosperms (b) Gymnosperms (c) Pteridophytes (d) Bryophytes

Last Answer : Ans:(b)

Pollination occurs in (a) bryophytes and angiosperms (b) pteridophytes and angiosperms (c) angiosperms and gymnosperms (d) angiosperms and fungi.

Description : Pollination occurs in (a) bryophytes and angiosperms (b) pteridophytes and angiosperms (c) angiosperms and gymnosperms (d) angiosperms and fungi.

Last Answer : (c) angiosperms and gymnosperm

Double fertilisation is characteristic of (a) angiosperms (b) anatropous (c) gymnosperms (d) bryophytes.

Description : Double fertilisation is characteristic of (a) angiosperms (b) anatropous (c) gymnosperms (d) bryophytes.

Last Answer : (a) angiosperms

Double fertilization in Angiosperms was discovered by

Description : Double fertilization in Angiosperms was discovered by 

Last Answer : Double fertilization in Angiosperms was discovered by – Nawaschin

Describe double fertilization in angiosperms.

Description : Describe double fertilization in angiosperms.

Last Answer : Ans: Occurrence of two types of fertilizations in the same embryosac is called as double fertilization. It was discovered by Nawaschin in Fritillaria and Lilium. It is a feature of angiosperms. ... . It was discovered by Nawaschin in Fritillaria and Lilium. PEN develops into endosperm. 

Double fertilization is exhibited by : (1) Algae (2) Fungi (3) Angiosperms (4) Gymnosperms

Description : Double fertilization is exhibited by : (1) Algae (2) Fungi (3) Angiosperms (4) Gymnosperms

Last Answer : (3) Angiosperms

Double fertilization is exhibited by: a) Gymnosperms b) Algae c) Fungi d) Angiosperms

Description : Double fertilization is exhibited by: a) Gymnosperms b) Algae c) Fungi d) Angiosperms

Last Answer : d) Angiosperms

.A well developed archegonium with neck consisting of 4-6 rows and neck canal cells, characterises (a) gymnosperms and flowering plants (b) pteridophytes and gymnosperms (c) gymnosperms only (d) bryophytes and pteridophytes

Description : .A well developed archegonium with neck consisting of 4-6 rows and neck canal cells, characterises (a) gymnosperms and flowering plants (b) pteridophytes and gymnosperms (c) gymnosperms only (d) bryophytes and pteridophytes

Last Answer : d) bryophytes and pteridophytes.

.Multicellular branched rhizoids and leafy gametophytes are the characteristics of (a) some bryophytes (b) pteridophytes (c) all bryophytes (d) gymnosperms.

Description : .Multicellular branched rhizoids and leafy gametophytes are the characteristics of (a) some bryophytes (b) pteridophytes (c) all bryophytes (d) gymnosperms.

Last Answer : (a) some bryophytes

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

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

Read the following five statements (A to E) and select the option with all correct statements. A. Mosses and lichens are the first organisms to colonise a bare rock. B. Selaginella is a homosporous pteridophyte. C. Coralloid roots in Cycas have VAM. D. Main plant body in bryophytes is gametophytic, whereas in pteridophytes it is sporophytic. E. In gymnosperms, male and female gametophytes are present within sporangia located on sporophyte. (a) A, D and E (b) B, C and E (c) A, C and D (d) B, C and D

Description : Read the following five statements (A to E) and select the option with all correct statements. A. Mosses and lichens are the first organisms to colonise a bare rock. B. Selaginella is a homosporous pteridophyte. C. Coralloid roots in Cycas ... D and E (b) B, C and E (c) A, C and D (d) B, C and D

Last Answer : (a) A, D and E

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

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.

How do angiosperms differ from gymnosperms?

Description : How do angiosperms differ from gymnosperms?

Last Answer : First, the seeds of the angiosperms, a more recently evolved and highly successful division of the tracheophytes, are enclosed within a protective chamber, the ovary. A ripened ovary containing ... support. In conifers, the single xylem elements, the tracheids, represent a more primitive condition 

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

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

Last Answer : Ans. ((b))

The species that flower are called -------? A. Gymnosperms B. Bryophytes C. Angiosperms (Answer)

Description : The species that flower are called -------? A. Gymnosperms B. Bryophytes C. Angiosperms (Answer)

Last Answer : C. Angiosperms (Answer)

Double fertilisation is exhibited by (a) algae (b) fungi (c) angiosperms (d) gymnosperms.

Description : Double fertilisation is exhibited by (a) algae (b) fungi (c) angiosperms (d) gymnosperms.

Last Answer : c) angiosperms

In double fertilization, the two male nuclei fuse with

Description : In double fertilization, the two male nuclei fuse with

Last Answer : In double fertilization, the two male nuclei fuse with – Egg cell and Definitive nucleus

Double fertilization in angiosperms produces? -Biology

Description : Double fertilization in angiosperms produces? -Biology

Last Answer : answer:

Result of double fertilization in angiosperms? -Biology

Description : Result of double fertilization in angiosperms? -Biology

Last Answer : answer:

Double fertilization in angiosperms produces? -Biology

Description : Double fertilization in angiosperms produces? -Biology

Last Answer : answer:

Result of double fertilization in angiosperms? -Biology

Description : Result of double fertilization in angiosperms? -Biology

Last Answer : answer:

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

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.

11.Theploidy of the zygote in angiosperms after double fertilization is (a) 4n (b) n (c) 2n (d) 8n.

Description : 11.Theploidy of the zygote in angiosperms after double fertilization is (a) 4n (b) n (c) 2n (d) 8n.

Last Answer : (c) 2n

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

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.

Companion cells of phloem are found in – (1) Gymnosperms (2) Bryophyta (3) Pteridophyta (4) Angiosperms

Description : Companion cells of phloem are found in – (1) Gymnosperms (2) Bryophyta (3) Pteridophyta (4) Angiosperms

Last Answer : (4) Angiosperms Explanation: Only in angiosperms are sieve tubes and companion cells found in the plaloern. In other vascular plants, parenchyma cells function in the same way as companion cells (that ... living protoplasm), but they are not derived from the same mother cell as the sieve element.

Vessels are found in (a) all angiosperms and some gymnosperm (b) most of angiosperms and few gymnosperms (c) all angiosperms, all gymnosperms and some pteridophyta (d) all pteridophyta.

Description : Vessels are found in (a) all angiosperms and some gymnosperm (b) most of angiosperms and few gymnosperms (c) all angiosperms, all gymnosperms and some pteridophyta (d) all pteridophyta.

Last Answer : (b) most of angiosperms and few gymnosperms

Vessels are found in (a) all angiosperms and some gymnosperm (b) most of angiosperms and few gymnosperms (c) all angiosperms, all gymnosperms and some pteridophyta (d) all pteridophyta.

Description : Vessels are found in (a) all angiosperms and some gymnosperm (b) most of angiosperms and few gymnosperms (c) all angiosperms, all gymnosperms and some pteridophyta (d) all pteridophyta.

Last Answer : (b) most of angiosperms and few gymnosperms

Companion cells of phloem are found in (1) Gymnosperms (2) Bryophyta (3) Pteridophyta (4) Angiosperms

Description : Companion cells of phloem are found in (1) Gymnosperms (2) Bryophyta (3) Pteridophyta (4) Angiosperms

Last Answer : Angiosperms

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

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

Last Answer : (d) gymnosperms.

Which one of the following is a correct statement? (a) Pteridophyte gametophyte has a protonemal and leafy stage. (b) In gymnosperms, female gametophyte is free- living. (c) Antheridiophores and archegoniophores are present in pteridophytes. (d) Origin of seed habit can be traced in pteridophytes.

Description : Which one of the following is a correct statement? (a) Pteridophyte gametophyte has a protonemal and leafy stage. (b) In gymnosperms, female gametophyte is free- living. (c) Antheridiophores and ... are present in pteridophytes. (d) Origin of seed habit can be traced in pteridophytes.

Last Answer : (d) Origin of seed habit can be traced in pteridophytes.

85. Which one of the following is a correct statement ? (1) Origin of seed habit can be traced in pteridophytes (2) Pteridophyte gametophyte has a protonemal and leafy stage (3) In gymnosperms female gametophyte is free-living (4) Antheridiophores and archegoniophores are present in pteridophytes

Description : 85. Which one of the following is a correct statement ? (1) Origin of seed habit can be traced in pteridophytes (2) Pteridophyte gametophyte has a protonemal and leafy stage (3) In gymnosperms female gametophyte is free-living (4) Antheridiophores and archegoniophores are present in pteridophytes

Last Answer : Origin of seed habit can be traced in pteridophytes

Similarities between bryophytes and pteridophytes? -Biology

Description : Similarities between bryophytes and pteridophytes? -Biology

Last Answer : answer:

In bryophytes and pteridophytes, transport of male gametes requires

Description : In bryophytes and pteridophytes, transport of male gametes requires

Last Answer : In bryophytes and pteridophytes, transport of male gametes requires (A) Birds (B) Water (C) Wind (D) Insects

Compare the gametophyte and sporophyte of Bryophytes with that of Pteridophytes.

Description : Compare the gametophyte and sporophyte of Bryophytes with that of Pteridophytes.

Last Answer : Compare the gametophyte and sporophyte of Bryophytes with that of Pteridophytes.

Our major foods, fibres, spices, fruits and beverage crops are (a) Flowering plants (b) Gymnospermous plants (c) Pteridophytes (d) Bryophytes

Description : Our major foods, fibres, spices, fruits and beverage crops are (a) Flowering plants (b) Gymnospermous plants (c) Pteridophytes (d) Bryophytes

Last Answer : Ans:(a)

Pteridophytes differ from mosses/bryophytes in possessing (a) independent gametophyte (b) well developed vascular system (c) archegonia (d) flagellate spermatozoids.

Description : Pteridophytes differ from mosses/bryophytes in possessing (a) independent gametophyte (b) well developed vascular system (c) archegonia (d) flagellate spermatozoids.

Last Answer : (b) well developed vascular system

Pteridophytes differ from bryophytes and thallophytes in having (a) vascular tissues (b) motile antherozoids (c) archegonia (d) alternation of generations

Description : Pteridophytes differ from bryophytes and thallophytes in having (a) vascular tissues (b) motile antherozoids (c) archegonia (d) alternation of generations

Last Answer : (a) vascular tissues

In bryophytes and pteridophytes, transport of male gametes requires (a) birds (b) water (c) wind (d) insects

Description : In bryophytes and pteridophytes, transport of male gametes requires (a) birds (b) water (c) wind (d) insects

Last Answer : (b) water

Absorptive heterotrophic nutrition is exhibited by (a) algae (b) fungi (c) bryophytes (d) pteridophytes.

Description : Absorptive heterotrophic nutrition is exhibited by (a) algae (b) fungi (c) bryophytes (d) pteridophytes.

Last Answer : (b) fungi

In gymnosperms pollination is affected by......... a) water b)wind c)animals d)insects.

Description : In gymnosperms pollination is affected by......... a) water b)wind c)animals d)insects.

Last Answer : b)wind

The ovules in gymnosperms are.... a)ategmic b)unitegmic c)bitegmic d)(b)or(c)

Description : The ovules in gymnosperms are.... a)ategmic b)unitegmic c)bitegmic d)(b)or(c)

Last Answer : d)(b)or(c)

Stomata in bryophytes are present in the of: (a) Capsule (b) Leaf (c) Stem (d) Seta

Description : Stomata in bryophytes are present in the of: (a) Capsule (b) Leaf (c) Stem (d) Seta

Last Answer : Ans. ((a))

Genus Cordaites is an extinct plant from category of a. Conifers b. Cycads c. Angiosperms d. Pteridophytes

Description : Genus Cordaites is an extinct plant from category of a. Conifers b. Cycads c. Angiosperms d. Pteridophytes

Last Answer : a. Conifers

In angiosperms regarding development of microgametophyte each microspore mother cell undergoes (a) Mitosis to produce 4 microspores (b) Two successive mitosis to form 4 microspores (c) Two successive meiotic division to form 4 microspores (d) Meiosis to produce 4 haploid microspores

Description : In angiosperms regarding development of microgametophyte each microspore mother cell undergoes (a) Mitosis to produce 4 microspores (b) Two successive mitosis to form 4 microspores (c) Two successive meiotic division to form 4 microspores (d) Meiosis to produce 4 haploid microspores

Last Answer : Ans. ((d))

The fused bracts in the male flowers of Gnetum are comparable to ....... a) leaves of angiosperms b) bracteoles of angiosperms c) bracts of angiosperms d) perianth of angiosperms

Description : The fused bracts in the male flowers of Gnetum are comparable to ....... a) leaves of angiosperms b) bracteoles of angiosperms c) bracts of angiosperms d) perianth of angiosperms

Last Answer : b) bracteoles of angiosperms

In Angiosperms, during pollination, the pollen grains are mostly

Description : In Angiosperms, during pollination, the pollen grains are mostly

Last Answer : In Angiosperms, during pollination, the pollen grains are mostly – Bicellular

The most common type of embryosac in Angiosperms is

Description : The most common type of embryosac in Angiosperms is

Last Answer : The most common type of embryosac in Angiosperms is – Polygonum type

The porous wood of angiosperms is called as

Description : The porous wood of angiosperms is called as

Last Answer : The porous wood of angiosperms is called as – Hard wood 

Pollen grains of angiosperms are

Description : Pollen grains of angiosperms are

Last Answer : Pollen grains of angiosperms are – Partially developed male gametophyte