Geitonogamy involves (a) fertilisation of a flower by the pollen from another flower of the same plant (b) fertilisation of a flower by the pollen from the same flower (c) fertilisation of a flower by the pollen from a flower of another plant in the same population (d) fertilisation of a flower by the pollen from a flower of another plant belonging to a distant population.

Geitonogamy involves
(a) fertilisation of a flower by the pollen from
another flower of the same plant
(b) fertilisation of a flower by the pollen from the
same flower
(c) fertilisation of a flower by the pollen from a
flower of another plant in the same population
(d) fertilisation of a flower by the pollen from a
flower of another plant belonging to a distant
population.
by

1 Answer

Answer :

(a) fertilisation of a flower by the pollen from
another flower of the same plant
by

Related questions

Geitonogamy involves:a)Fertilization of a flower by the pollen from a flower of another plant belonging to a distant population.b)Fertilization of a flower by the pollen from another flower of the same plant.c)Fertilization of a flower bythe pollen from the same flower.d)Fertilization of a flower by the pollen from a flower of another plant in the same population

Description : Geitonogamy involves:a)Fertilization of a flower by the pollen from a flower of another plant belonging to a distant population.b)Fertilization of a flower by the pollen from another flower of the same ... flower by the pollen from a flower of another plant in the same population

Last Answer : b)Fertilization of a flower by the pollen from another flower of the same plant

When pollen of a flower is transferred to the stigma of another flower of the same plant, the pollination is referred to as (a) autogamy (b) geitonogamy (c) xenogamy (d) allogamy.

Description : When pollen of a flower is transferred to the stigma of another flower of the same plant, the pollination is referred to as (a) autogamy (b) geitonogamy (c) xenogamy (d) allogamy.

Last Answer : b) geitonogamy

Transfer of pollen grains from the anther to the stigma of another flower of the same plant is called (a) xenogamy (b) geitonogamy (c) karyogamy (d) autogamy.

Description : Transfer of pollen grains from the anther to the stigma of another flower of the same plant is called (a) xenogamy (b) geitonogamy (c) karyogamy (d) autogamy.

Last Answer : (b) geitonogamy

Which one of the following statements is correct? (a) Cleistogamous flowers are always autogamous. (b) Xenogamy occurs only by wind pollination. (c) Chasmogamous flowers do not open at all. (d) Geitonogamy involves the pollen and stigma of flowers of different plants.

Description : Which one of the following statements is correct? (a) Cleistogamous flowers are always autogamous. (b) Xenogamy occurs only by wind pollination. (c) Chasmogamous flowers do not open at all. (d) Geitonogamy involves the pollen and stigma of flowers of different plants.

Last Answer : (a) Cleistogamous flowers are always autogamous.

Transfer of pollen grains from the anther to the stigma of another flower of the same plant is called:a) Autogamyb) Xenogamyc) Geitonogamyd) Karyogamy

Description : Transfer of pollen grains from the anther to the stigma of another flower of the same plant is called:a) Autogamyb) Xenogamyc) Geitonogamyd) Karyogamy

Last Answer : c) Geitonogamy

When pollen grains from flower of one plant transferred to receptive stigmas of flowers of another plant

Description : When pollen grains from flower of one plant transferred to receptive stigmas of flowers of another plant

Last Answer : Ans. Cross pollination/Allogamy

Double fertilisation is fusion of (a) two eggs (b) two eggs and polar nuclei with pollen nuclei (c) one male gamete with egg and other with synergid (d) one male gamete with egg and other with secondary nucleus.

Description : Double fertilisation is fusion of (a) two eggs (b) two eggs and polar nuclei with pollen nuclei (c) one male gamete with egg and other with synergid (d) one male gamete with egg and other with secondary nucleus.

Last Answer : (d) one male gamete with egg and other with secondary nucleus.

Which one of the following statements is wrong? (a) When pollen is shed at two-celled stage, double fertilisation does not take place. (b) Vegetative cell is larger than generative cell. (c) Pollen grains in some plants remain viable for months. (d) Intine is made up of cellulose and pectin.

Description : Which one of the following statements is wrong? (a) When pollen is shed at two-celled stage, double fertilisation does not take place. (b) Vegetative cell is larger than generative cell. (c) Pollen grains in some plants remain viable for months. (d) Intine is made up of cellulose and pectin.

Last Answer : (a) When pollen is shed at two-celled stage, double fertilisation does not take place.

Double fertilisation is (a) fusion of two male gametes of a pollen tube with two different eggs (b) fusion of one male gamete with two polar nuclei (c) fusion of two male gametes with one egg (d) syngamy and triple fusion.

Description : Double fertilisation is (a) fusion of two male gametes of a pollen tube with two different eggs (b) fusion of one male gamete with two polar nuclei (c) fusion of two male gametes with one egg (d) syngamy and triple fusion.

Last Answer : (d) syngamy and triple fusion.

Pollen tablets are available in the market for (a) in vitro fertilisation (b) breeding programmes (c) supplementing food (d) ex situ conservation.

Description : Pollen tablets are available in the market for (a) in vitro fertilisation (b) breeding programmes (c) supplementing food (d) ex situ conservation.

Last Answer : (c) supplementing food (

Pollen from a flower of one plant falls on the stigmas of other flowers of the same plant.

Description : Pollen from a flower of one plant falls on the stigmas of other flowers of the same plant.

Last Answer : Ans. Geitonogamy

Which of the following statements is not correct? (a) Pollen germination and pollen tube growth are regulated by chemical components of pollen interacting with those of the pistil. (b) Some reptiles have also been reported as pollinators in some plant species. (c) Pollen grains of many species can germinate on the stigma of a flower, but only one pollen tube of the same species grows into the style. (d) Insects that consume pollen or nectar without bringing about pollination are called pollen/ nectar robbers.

Description : Which of the following statements is not correct? (a) Pollen germination and pollen tube growth are regulated by chemical components of pollen interacting with those of the pistil. (b) ... Insects that consume pollen or nectar without bringing about pollination are called pollen/ nectar robbers.

Last Answer : (c) Pollen grains of many species can germinate on the stigma of a flower, but only one pollen tube of the same species grows into the style.

In vitro fertilisation is a technique that involves transfer of which one of the following into the fallopian tube? (a) Embryo only, upto 8 cell stage (b) Either zygote or early embryo upto 8 cell stage(c) Embryo of 32 cell stage (d) Zygote only

Description : In vitro fertilisation is a technique that involves transfer of which one of the following into the fallopian tube? (a) Embryo only, upto 8 cell stage (b) Either zygote or early embryo upto 8 cell stage (c) Embryo of 32 cell stage (d) Zygote only

Last Answer : (b) Either zygote or early embryo upto 8 cell stage

Seed formation without fertilisation in flowering plants involves the process of (a) somatic hybridisation (b) apomixis (c) sporulation (d) budding

Description : Seed formation without fertilisation in flowering plants involves the process of (a) somatic hybridisation (b) apomixis (c) sporulation (d) budding

Last Answer : (b) apomixis

A dioecious flowering plant prevents both (a) autogamy and geitonogamy (b) geitonogamy and xenogamy (c) cleistogamy and xenogamy (d) autogamy and xenogamy.

Description : A dioecious flowering plant prevents both (a) autogamy and geitonogamy (b) geitonogamy and xenogamy (c) cleistogamy and xenogamy (d) autogamy and xenogamy.

Last Answer : (a) autogamy and geitonogamy

A dioecious flowering plant prevents both : (1) Autogamy and geitonogamy (2) Geitonogamy and xenogamy (3) Cleistogamy and xenogamy (4) Autogamy and xenogamy

Description : A dioecious flowering plant prevents both : (1) Autogamy and geitonogamy (2) Geitonogamy and xenogamy (3) Cleistogamy and xenogamy (4) Autogamy and xenogamy

Last Answer : (1) Autogamy and geitonogamy

Explain the post-fertilisation changes in a flower. -Biology

Description : Explain the post-fertilisation changes in a flower. -Biology

Last Answer : answer:

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 prerequisite for seed and fruit development in all flowering plants. 4. Seeds may develop in some water ferns without pollination. Which of the above statement/s is/are correct? (a) 1 and 3 (b) 1, 2 and 4 (c) Only 2 (d) 1, 2, 3 and 4

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)

Failure of a viable pollen to grow down the style of the flower of the same variety is called ___________: a. Self sterility b. Self incompatibility c. Self unfruitfulness d. Sterility

Description : Failure of a viable pollen to grow down the style of the flower of the same variety is called ___________: a. Self sterility b. Self incompatibility c. Self unfruitfulness d. Sterility

Last Answer : Self incompatibility

Unisexuality of flowers prevents (a) geitonogamy, but not xenogamy (b) autogamy and geitonogamy (c) autogamy, but not geitonogamy (d) both geitonogamy and xenogamy

Description : Unisexuality of flowers prevents (a) geitonogamy, but not xenogamy (b) autogamy and geitonogamy (c) autogamy, but not geitonogamy (d) both geitonogamy and xenogamy

Last Answer : (c) autogamy, but not geitonogamy

Which one of the following pollinations is autogamous? (a) Geitonogamy (b) Xenogamy (c) Chasmogamy (d) Cleistogamy

Description : Which one of the following pollinations is autogamous? (a) Geitonogamy (b) Xenogamy (c) Chasmogamy (d) Cleistogamy

Last Answer : (d) Cleistogamy

Both, autogamy and geitonogamy are prevented in (a) papaya (b) cucumber (c) castor (d) maize.

Description : Both, autogamy and geitonogamy are prevented in (a) papaya (b) cucumber (c) castor (d) maize.

Last Answer : a) papaya

Which one of the following may require pollinators, but is genetically similar to autogamy? (a) Apogamy (b) Cleistogamy (c) Geitonogamy (d) Xenogamy

Description : Which one of the following may require pollinators, but is genetically similar to autogamy? (a) Apogamy (b) Cleistogamy (c) Geitonogamy (d) Xenogamy

Last Answer : (c) Geitonogamy

In which one of the following, both autogamy and geitonogamy are prevented? (a) Wheat (b) Papaya (c) Castor (d) Maize

Description : In which one of the following, both autogamy and geitonogamy are prevented? (a) Wheat (b) Papaya (c) Castor (d) Maize

Last Answer : (b) Papaya

56. Both, autogamy and geitonogamy are prevented in (1) Maize (2) Papaya (3) Cucumber (4) Castor

Description : 56. Both, autogamy and geitonogamy are prevented in (1) Maize (2) Papaya (3) Cucumber (4) Castor

Last Answer : Papaya (

2Both autogamy and geitonogamy are prevented in:a) Cucumberb) Castorc) Maized) Papaya

Description : 2Both autogamy and geitonogamy are prevented in:a) Cucumberb) Castorc) Maized) Papaya

Last Answer : d) Papaya

Which flower part is sticky or feathery so it can capture pollen?

Description : Which flower part is sticky or feathery so it can capture pollen?

Last Answer : D. pistil

Explain "Shimal Animal Pollen Flower" ?

Description : Explain "Shimal Animal Pollen Flower" ?

Last Answer : Animal flowers are usually fairly large. However, even though it is small, the flowers are decorated with inflorescences. Their colors are attractive. All these flowers may or may not have an odor. As these features are present in Shimul flower, Shimul flower is also an animal flower.

What kind of pollen flower ?

Description : What kind of pollen flower ?

Last Answer : Pollen flowers of young animals.

What kind of pollen flower ?

Description : What kind of pollen flower ?

Last Answer : Shimul animal pollen flower.

What is a pollen flower ?

Description : What is a pollen flower ?

Last Answer : Shimul animal pollen flower

What happens after pollen lands on the stigma of a flower?

Description : What happens after pollen lands on the stigma of a flower?

Last Answer : Feel Free to Answer

Anthesis is a phenomenon which refers to (a) reception of pollen by stigma (b) formation of pollen (c) development of anther (d) opening of flower bud.

Description : Anthesis is a phenomenon which refers to (a) reception of pollen by stigma (b) formation of pollen (c) development of anther (d) opening of flower bud.

Last Answer : (d) opening of flower bud.

Which of the following are the important floral rewards to the animal pollinators ? (a) Floral fragrance and calcium crystals (b) Protein pellicle and stigmatic exudates (c) Colour and large size of flower (d) Nectar and pollen grains

Description : Which of the following are the important floral rewards to the animal pollinators ? (a) Floral fragrance and calcium crystals (b) Protein pellicle and stigmatic exudates (c) Colour and large size of flower (d) Nectar and pollen grains

Last Answer : (d) Nectar and pollen grains

In Bajra empty ear head and feed pollen and petals of flower is symptom of • Blister beetle • Midge fly • Shoot fly • Stem borer

Description : In Bajra empty ear head and feed pollen and petals of flower is symptom of • Blister beetle • Midge fly • Shoot fly • Stem borer

Last Answer : • Blister beetle

What part of the flower contains the pollen? a) Anther b) Stigma c) Leaves d) Stem

Description : What part of the flower contains the pollen? a) Anther b) Stigma c) Leaves d) Stem

Last Answer : a) Anther

The process involving emasculation of the flower before anthesis and depositing pollen grains on the cut end of the ovary is called as

Description : The process involving emasculation of the flower before anthesis and depositing pollen grains on the cut end of the ovary is called as

Last Answer : The process involving emasculation of the flower before anthesis and depositing pollen grains on the cut end of the ovary is called as – Intra-ovarian pollination

The part of the flower that is adapted to catch pollen is the: a) stigma b) style c) anther d) ovule

Description : The part of the flower that is adapted to catch pollen is the: a) stigma b) style c) anther d) ovule

Last Answer : ANSWER: A -- STIGMA

Right of a person to retain possession of some goods belonging to another until some debts of the person in possession is satisfied a) Pledge b) Bailment c) Lien d) Guarantee

Description : Right of a person to retain possession of some goods belonging to another until some debts of the person in possession is satisfied a) Pledge b) Bailment c) Lien d) Guarantee

Last Answer : c) Lien

When does a Page fault occur? (1) There is an error in a specific page (2) A program accesses a page not currently in main memory (3) A program accesses a page of main memory (4) A program accesses a page belonging to another program

Description : When does a Page fault occur? (1) There is an error in a specific page (2) A program accesses a page not currently in main memory (3) A program accesses a page of main memory (4) A program accesses a page belonging to another program

Last Answer : A program accesses a page not currently in main memory

What is pollen from one plant fertilizes another plant?

Description : What is pollen from one plant fertilizes another plant?

Last Answer : What is the answer ?

How long does it take for light from one distant star to reach another distant star ?

Description : How long does it take for light from one distant star to reach another distant star ?

Last Answer : It takes millions of years for light from one distant star to reach another distant star.

Indicate the false statement. A. Industrial noise is usually of the impulse type B. Static is caused by lightning discharges in thunderstorms and other natural electric disturbances occurring in the atmosphere C. Distant stars are another source of man-made noise D. Flourescent lights are another source of man-made noise

Description : Indicate the false statement. A. Industrial noise is usually of the impulse type B. Static is caused by lightning discharges in thunderstorms and other natural electric disturbances occurring in the ... another source of man-made noise D. Flourescent lights are another source of man-made noise

Last Answer : C. Distant stars are another source of man-made noise

When pollen grains from an another falls on receptive stigma of the same flowers

Description : When pollen grains from an another falls on receptive stigma of the same flowers

Last Answer : Ans. Self pollination

Assertion: Several organisms belonging to monera,fungi,algae and bryophytes produces gametes by mitosis. Reason: the plant body of the monera, fungi,a

Description : Assertion: Several organisms belonging to monera,fungi,algae and bryophytes produces gametes by mitosis. Reason: the plant body of the monera, fungi,a

Last Answer : Assertion: Several organisms belonging to monera,fungi,algae and bryophytes produces gametes by mitosis. ... , fungi,algae and bryophytes is haploid.

Why the elements belonging to the same group do have similar chemical properties ?

Description : Why the elements belonging to the same group do have similar chemical properties ?

Last Answer : Why the elements belonging to the same group do have similar chemical properties?

Give reason: Metals belonging to the same group form good alloys.

Description : Give reason: Metals belonging to the same group form good alloys.

Last Answer : As metals belonging to the same group in the periodic table have similarities in electronic configuration.

WHY IS THE PROCESS OF FERTILISATION IN A FLOWERING PLANT REFFERED TO AS DOUBLE FERTILISATION ?

Description : WHY IS THE PROCESS OF FERTILISATION IN A FLOWERING PLANT REFFERED TO AS DOUBLE FERTILISATION ?

Last Answer : ANS. DOUBLE FERTILISATION= SYNGAMY + TRIPLE FUSION SYNGAMY= ONE MALE GAMETE + EGG--- ZYGOTE(n) TRIPLE FUSION= ANOTHER MALE GAMETE+ POLAR NUCLEI-PRIMARY ENOSPERM NUCLEUS(3n)

A dipole antenna requires to be fed with 20 kW of power to produce a given signal strength to a particular distant point. If the addition of a reflector makes the same field strength available with an input power of 11kW. What is the gain in dB, obtained by the use if the reflector. (Gain referred to this particular dipole). A. 4.75 B. 2.6 C. 1.81 D. 4.24

Description : A dipole antenna requires to be fed with 20 kW of power to produce a given signal strength to a particular distant point. If the addition of a reflector makes the same field strength available with an input power of 11kW ... Gain referred to this particular dipole). A. 4.75 B. 2.6 C. 1.81 D. 4.24

Last Answer : B. 2.6

A dipole antenna requires to be feed with 20 kW of power to produce a given signal strength to a particular distant point. If the addition of a reflector makes the same field strength available with an input power of 11 kW. What is the gain in dB obtain by the use of the reflector ? ( Gain referred to this particular dipole) A. 4.24 B. 1.81 C. 4.75 D. 2.6

Description : A dipole antenna requires to be feed with 20 kW of power to produce a given signal strength to a particular distant point. If the addition of a reflector makes the same field strength available with an input power of 11 ... ( Gain referred to this particular dipole) A. 4.24 B. 1.81 C. 4.75 D. 2.6

Last Answer : D. 2.6