Function of filiform apparatus is toa)Guide the entry of pollen tubeb)Recognize the suitable pollen at stigmac)Stimulate division of generative celld)Produce nectar

Function of filiform apparatus is toa)Guide the entry of pollen tubeb)Recognize the suitable pollen at stigmac)Stimulate division of generative celld)Produce nectar
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)Guide the entry of pollen tube
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Function of filiform apparatus is to (a) recognise the suitable pollen at stigma (b) stimulate division of generative cell (c) produce nectar (d) guide the entry of pollen tube.

Description : Function of filiform apparatus is to (a) recognise the suitable pollen at stigma (b) stimulate division of generative cell (c) produce nectar (d) guide the entry of pollen tube.

Last Answer : (d) guide the entry of pollen tube.

What does the filiform apparatus do at the entrance into ovule? (a) It brings about opening of the pollen tube. (b) It guides pollen tube from a synergid to egg. (c) It helps in the entry of pollen tube into a synergid. (d) It prevents entry of more than one pollen tube into the embryo sac

Description : What does the filiform apparatus do at the entrance into ovule? (a) It brings about opening of the pollen tube. (b) It guides pollen tube from a synergid to egg. (c) It helps in the entry of pollen tube into a synergid. (d) It prevents entry of more than one pollen tube into the embryo sac

Last Answer : (b) It guides pollen tube from a synergid to egg.

Filiform apparatus is characteristic feature of (a) aleurone cell (b) synergids (c) generative cell (d) nucellar embryo.

Description : Filiform apparatus is characteristic feature of (a) aleurone cell (b) synergids (c) generative cell (d) nucellar embryo.

Last Answer : (b) synergids

Generative cell was destroyed by laser but a normal pollen tube was still formed because (a) vegetative cell is not damaged(b) contents of killed generative cell stimulate pollen growth (c) laser beam stimulates growth of pollen tube (d) the region of emergence of pollen tube is not harmed.

Description : Generative cell was destroyed by laser but a normal pollen tube was still formed because (a) vegetative cell is not damaged (b) contents of killed generative cell stimulate pollen growth (c) laser beam stimulates growth of pollen tube (d) the region of emergence of pollen tube is not harmed.

Last Answer : (a) vegetative cell is not damaged

3What is the function of germ pore?a)Initiation of pollen tubeb)Release of male gametesc)Emergence of radicled)Absorption of water for seed germination

Description : 3What is the function of germ pore?a)Initiation of pollen tubeb)Release of male gametesc)Emergence of radicled)Absorption of water for seed germination

Last Answer : a)Initiation of pollen tube

In majority of angiosperms, (a) egg has a filiform apparatus (b) there are numerous antipodal cells (c) reduction division occurs in the megaspore mother cells (d) a small central cell is present in that embryo sac.

Description : In majority of angiosperms, (a) egg has a filiform apparatus (b) there are numerous antipodal cells (c) reduction division occurs in the megaspore mother cells (d) a small central cell is present in that embryo sac.

Last Answer : (c) reduction division occurs in the megaspore mother cells

Filiform apparatus is a characteristic feature of (a) suspensor (b) egg (c) synergid (d) zygote.

Description : Filiform apparatus is a characteristic feature of (a) suspensor (b) egg (c) synergid (d) zygote.

Last Answer : (c) synergid

Filiform apparatus is a characteristic feature of:a) Suspensorb) Eggc) Synergidd) Zygote

Description : Filiform apparatus is a characteristic feature of:a) Suspensorb) Eggc) Synergidd) Zygote

Last Answer : c) Synergid

Wind pollinated flowers are (a) small, brightly coloured, producing large number of pollen grains (b) small, producing large number of dry pollen grains (c) large producing abundant nectar and pollen (d) small, producing nectar and dry pollen

Description : Wind pollinated flowers are (a) small, brightly coloured, producing large number of pollen grains (b) small, producing large number of dry pollen grains (c) large producing abundant nectar and pollen (d) small, producing nectar and dry pollen

Last Answer : (b) small, producing large number of dry pollen grains

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

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.

Which of the following nourishes a developing seed? a) pollen tube b) nectar c) endosperm d) zygote

Description : Which of the following nourishes a developing seed? a) pollen tube b) nectar c) endosperm d) zygote

Last Answer : ANSWER: C -- ENDOSPERM

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.

Which one of the following statements is wrong?a)Pollen grains in some plants remain viable for monthsb)Intine is made up of cellulose and pectinc)When pollen is shed at two-celled state, double fertilization does not take placed)Vegetative cell is larger than generative cell

Description : Which one of the following statements is wrong?a)Pollen grains in some plants remain viable for monthsb)Intine is made up of cellulose and pectinc)When pollen is shed at two-celled state, double fertilization does not take placed)Vegetative cell is larger than generative cell

Last Answer : c)When pollen is shed at two-celled state, double fertilization does not take place

The role of the M cell is toA- .trap virus in mucus and prevent entry B- induce apoptosis in virus-infected small intestinal epithelia cells C- pass bacteria or virus to underlying macrophages for processing and presentation of antigen D- they use their cilia to propel mucus out of the small intestine

Description : The role of the M cell is to A- .trap virus in mucus and prevent entry B- induce apoptosis in virus-infected small intestinal epithelia cells C- pass bacteria or virus to underlying macrophages for ... and presentation of antigen D- they use their cilia to propel mucus out of the small intestine

Last Answer : pass bacteria or virus to underlying macrophages for processing and presentation of antigen

Where is the division of generative cells ?

Description : Where is the division of generative cells ?

Last Answer : Gene cell division occurs in pollen grains.

Male gametes in angiosperms are formed by the division of (a) generative cell (b) vegetative cell (c) microspore mother cell (d) microspore.

Description : Male gametes in angiosperms are formed by the division of (a) generative cell (b) vegetative cell (c) microspore mother cell (d) microspore.

Last Answer : (a) generative cell

Factors which stimulate pollen tube germination. -Biology

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The process of arranging situations that stimulate and guide learning activities in order to bring desirable changes in the behaviour of people

Description : The process of arranging situations that stimulate and guide learning activities in order to bring desirable changes in the behaviour of people

Last Answer : Ans. Teaching

The primary task of a teacher is (a) To teach the prescribed curriculum (b) To stimulate and guide student's learning (c) To provide diagnostic and remedial aid wherever desired (d) To promote habits of conformity to adult demands and expectations

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Last Answer : (b) To stimulate and guide student's learning

Which one of the following is a primary task of a teacher? Options: A) To teach the prescribed curriculum. B) To stimulate and guide students learning. C) To promote habits of conformity to adult demands and expectations D) To provide diagnostic and re-medial aid wherever desired.

Description : Which one of the following is a primary task of a teacher? Options: A) To teach the prescribed curriculum. B) To stimulate and guide students learning. C) To promote habits of conformity to adult demands and expectations D) To provide diagnostic and re-medial aid wherever desired.

Last Answer : B) To stimulate and guide students learning. 

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Last Answer : B) To stimulate and guide student's learning 

What are the functions and adaptions of the following;a. Palisade cellb. Spongy mesophyll cellc. Sperm and egg celld. Ciliated cellse. Root hair cellf. Red and white blood cells?

Description : What are the functions and adaptions of the following;a. Palisade cellb. Spongy mesophyll cellc. Sperm and egg celld. Ciliated cellse. Root hair cellf. Red and white blood cells?

Last Answer : common unvalidated interventions

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Description : What does the generative cell produce? -Biology

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What does the generative cell produce? -Biology

Description : What does the generative cell produce? -Biology

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Function of generative cell. -Biology

Description : Function of generative cell. -Biology

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Function of generative cell. -Biology

Description : Function of generative cell. -Biology

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$ Fertilization with the help of a pollen tube is called Siphonogamy. ! Entry of pollen tube into the ovule through integuments is called Mesogamy.

Description : $ Fertilization with the help of a pollen tube is called Siphonogamy. ! Entry of pollen tube into the ovule through integuments is called Mesogamy.

Last Answer : $ Fertilization with the help of a pollen tube is called Siphonogamy. ! Entry of pollen tube into the ovule ... wrong D. If both As and R are wrong.

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Description : Entry of pollen tube through micropyle is (a) chalazogamy (b) mesogamy (c) porogamy (d) pseudogamy.

Last Answer : (c) porogamy

Cancer cells interfere with cell functions in all the following ways except: a. they rob cells of their nutrients and induce cell starvation. b. they stimulate the immune system to produce destructive interferons. c. they clog the vascular network and reduce the oxygen supply to cells. d. they overwhelm cells through sheer force of numbers.

Description : Cancer cells interfere with cell functions in all the following ways except: a. they rob cells of their nutrients and induce cell starvation. b. they stimulate the immune system to produce destructive ... reduce the oxygen supply to cells. d. they overwhelm cells through sheer force of numbers.

Last Answer : b. they stimulate the immune system to produce destructive interferons.

Which is an example of negative feedback? A) Nursing action stimulates the hypothalamus to release oxytocin that triggers mammary gland milk production. B) When the blood becomes dilute, ADH is no longer released from the hypothalamus. C) Uterine stretching sends nerve impulses to the hypothalamus that releases oxytocin that triggers uterine contraction. D) FSH and LH stimulate the gonads to produce sperm or eggs. E) TRH stimulates the anterior pituitary to release thyroid-stimulating hormone.

Description : Which is an example of negative feedback? A) Nursing action stimulates the hypothalamus to release oxytocin that triggers mammary gland milk production. B) When the blood becomes dilute, ADH ... produce sperm or eggs. E) TRH stimulates the anterior pituitary to release thyroid-stimulating hormone.

Last Answer : B) When the blood becomes dilute, ADH is no longer released from the hypothalamus

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Description : Besides giving out secretory vesicles, the Golgi apparatus is also concerned with the formation of (a) lysosomes (b) plastids (c) grana of chloroplasts (d) cell plates after cell division in plants.

Last Answer : (a) lysosomes

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Last Answer : c. A spindle apparatus is used.

During the final stage of cell division, the mitotic apparatus disappears, the chromosomes become attenuated, the centrioles duplicate and split, the nuclear membrane becomes reconstituted and the nucleolus reappears. This phase of cell division is known as:

Description : During the final stage of cell division, the mitotic apparatus disappears, the chromosomes become attenuated, the centrioles duplicate and split, the nuclear membrane becomes reconstituted and the nucleolus reappears. This ... as: a) prophase (pron: prO-phase) b) metaphase c) anaphase d) telophase

Last Answer : ANSWER: D -- Telophase

In grasses what happens in microspore mother cell for the formation of mature pollen grains? (a) One meiotic and two mitotic divisions (b) One meiotic and one mitotic divisions (c) One meiotic division (d) One mitotic division

Description : In grasses what happens in microspore mother cell for the formation of mature pollen grains? (a) One meiotic and two mitotic divisions (b) One meiotic and one mitotic divisions (c) One meiotic division (d) One mitotic division

Last Answer : (b) One meiotic and one mitotic divisions

The papillae that are few in numbers, associated with MOST taste buds, associated with Von Ebner’s glands are: a. Fungiform. b. Circumvallate. c. Foliate. d. Filiform.

Description : The papillae that are few in numbers, associated with MOST taste buds, associated with Von Ebner’s glands are: a. Fungiform. b. Circumvallate. c. Foliate. d. Filiform.

Last Answer : b. Circumvallate.

On inspection of lateral boarder of the tongue at the base, which structure would you expect to find: a. Filiform papillae. b. Fungiform papillae. c. Taste buds. d. Lymph nodes. e. Circumvallate papillae.

Description : On inspection of lateral boarder of the tongue at the base, which structure would you expect to find: a. Filiform papillae. b. Fungiform papillae. c. Taste buds. d. Lymph nodes. e. Circumvallate papillae.

Last Answer : d. Lymph nodes.

A patient complains of finger-like growth on the lateral aspect of the tongue. The lesion is painless and of normal colour. The MOST PROBABLE diagnosis is: A. Folate papillae B. Filiform papillae C. Neurofibroma D. Papilloma

Description : A patient complains of finger-like growth on the lateral aspect of the tongue. The lesion is painless and of normal colour. The MOST PROBABLE diagnosis is: A. Folate papillae B. Filiform papillae C. Neurofibroma D. Papilloma

Last Answer : D. Papilloma

The papillae that are few in numbers, associated with MOST taste buds, associated with Von Ebner’s glands are:** A. Fungiform B. Circumvallate C. Foliate D. Filiform

Description : The papillae that are few in numbers, associated with MOST taste buds, associated with Von Ebner’s glands are:** A. Fungiform B. Circumvallate C. Foliate D. Filiform

Last Answer : B. Circumvallate

On inspection of lateral boarder of the tongue at the base, which structure would you expect to find: A. Filiform papillae B. Fungiform papillae C. Taste buds D. Lymph nodes E. Circumvallate papillae

Description : On inspection of lateral boarder of the tongue at the base, which structure would you expect to find: A. Filiform papillae B. Fungiform papillae C. Taste buds D. Lymph nodes E. Circumvallate papillae

Last Answer : D. Lymph nodes

Benign migratory glossitis or Geographic Tongue, manifests itself in the oral cavity as, A. Irregularly outlined areas of hyperkeratosis of the dorsal surface of the tongue B. Furrows outlined the dorsal surface radiating out from a central groove in the centre of the tongue C. Loss (atrophy) of filiform papillae in multiple irregularly outlined areas D. Irregularly outlined erythematous area of hyper trophic fungiform E. A fibrinous exudate on the dorsal surface F. Grooves (fissures) radiating from a central fissure G. Irregular area in the midline of the tongue

Description : Benign migratory glossitis or Geographic Tongue, manifests itself in the oral cavity as, A. Irregularly outlined areas of hyperkeratosis of the dorsal surface of the tongue B. Furrows outlined the ... (fissures) radiating from a central fissure G. Irregular area in the midline of the tongue

Last Answer : C. Loss (atrophy) of filiform papillae in multiple irregularly outlined areas

Do you have experience with, or knowledge about, blue agave nectar to share?

Description : Do you have experience with, or knowledge about, blue agave nectar to share?

Last Answer : We use Agave Nectar instead of honey.

Should we keep Monarch butterflies from becoming extinct by planting more milkweed and nectar plants?

Description : Should we keep Monarch butterflies from becoming extinct by planting more milkweed and nectar plants?

Last Answer : A great deal easier said than done for anything compelled to winter in today’s Mexico. Perhaps gated “communities” with armed guards are now necessary.

How fast do blossoms manufacture nectar?

Description : How fast do blossoms manufacture nectar?

Last Answer : The only thing i could find was on the Dutch Wikipedia. What follows is my translation. It says that flowers produce nectar with their honey glands. This to make the bees and the birds and the bats and ... the birds and the bees and the honey works , so maybe i could have skipped that whole part.

How long has agave nectar been around?

Description : How long has agave nectar been around?

Last Answer : answer:This site has some info (certainly not completely definitive though). It says: Early inhabitants of the Americas discovered the many properties of the Blue Agave plant thousands of ... Another site indicates the commercial scale production started around 2002. Hope that helps a little.

What is the meaning of nectar name ?

Description : What is the meaning of nectar name ?

Last Answer : The name Amrit means pure.

What does nectar mean ?

Description : What does nectar mean ?

Last Answer : Nectar means nectar ; Sweet drink.

What is the opposite of nectar ?

Description : What is the opposite of nectar ?

Last Answer : The opposite of nectar is garal.

What waves utilize insects to locate nectar?

Description : What waves utilize insects to locate nectar?

Last Answer : ultraviolet

I have a beautiful glass globe hummingbird feeder that has a rubber stopper. How can I stop the nectar from leaking out of the stopper?

Description : I have a beautiful glass globe hummingbird feeder that has a rubber stopper. How can I stop the nectar from leaking out of the stopper?

Last Answer : If there is debris on the stopper it might be preventing a good seal. Try removing the rubber stopper and wipe it off to remove any debris that might be on it. Clean out the hole that the stopper goes into ... hole, making sure it is a tight fit. If it still leaks you may need to buy a new stopper.