Result of double fertilization in angiosperms? -Biology

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.

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

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

Last Answer : Ans. ((b))

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

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

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.

Explain the process of double fertilization. -Biology

Description : Explain the process of double fertilization. -Biology

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Significance of double fertilization. -Biology

Description : Significance of double fertilization. -Biology

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Significance of double fertilization? -Biology

Description : Significance of double fertilization? -Biology

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Polar nuclei and double fertilization -Biology

Description : Polar nuclei and double fertilization -Biology

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Where does double fertilization occur in plants? -Biology

Description : Where does double fertilization occur in plants? -Biology

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Why is fertilization in the flower known as double fertilization? -Biology

Description : Why is fertilization in the flower known as double fertilization? -Biology

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Polar nuclei and double fertilization -Biology

Description : Polar nuclei and double fertilization -Biology

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Where does double fertilization occur in plants? -Biology

Description : Where does double fertilization occur in plants? -Biology

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Why is fertilization in the flower known as double fertilization? -Biology

Description : Why is fertilization in the flower known as double fertilization? -Biology

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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

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

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

Last Answer : (c) endosperm

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

Which of the following is without exception in angiosperms? (a) Presence of vessels (b) Double fertilisation (c) Secondary growth (d) Autotrophic nutrition

Description : Which of the following is without exception in angiosperms? (a) Presence of vessels (b) Double fertilisation (c) Secondary growth (d) Autotrophic nutrition

Last Answer : (b) Double fertilisation

The gametes taking part in double fertilization are

Description : The gametes taking part in double fertilization are

Last Answer : The gametes taking part in double fertilization are A. 5 B. 4 C. 3 D. 2

The archesporium of ovule is (a) Single celled terminal (b) Single celled central (c) Single celled hypodermal (d) Single celled lateral Ans. (c) .....................................................--------------------------------.................................................................... Botany. Model Paper for Various Medical Entrance Examinations 1. Which is correct statement? (1) Seed can not be formed after on fertilization (2) Seed is formed after one fertilization (3) Seed is formed before double fertilization (4) Fruit is produced after double fertilization

Description : The archesporium of ovule is (a) Single celled terminal (b) Single celled central (c) Single celled hypodermal (d) Single celled lateral Ans. (c) ..................... ... formed after one fertilization (3) Seed is formed before double fertilization (4) Fruit is produced after double fertilization

Last Answer : Ans. ((c))

Write a note on double fertilization in flowering plants?

Description : Write a note on double fertilization in flowering plants?

Last Answer : In this method pollen tube nucleus helps to carry the two sperm nuclei into the ovule. One of the two sperms fuses with egg to form diploid zygote and other sperm nucleus fuses with the ... gamete at a time fuse with two female cells, therefore this fertilization is called double fertilization.

In tissue culture medium, the embryoids formed from pollen grains is due to (a) cellular totipotency (b) organogenesis (c) double fertilization (d) test tube culture.

Description : In tissue culture medium, the embryoids formed from pollen grains is due to (a) cellular totipotency (b) organogenesis (c) double fertilization (d) test tube culture.

Last Answer : (a) cellular totipotency

Double fertilization is (1) Fusion of two male gametes of a pollen tube with two different eggs (2) Fusion of one male gamete with two polar nuclei (3) Fusion of two male gametes with one egg (4) Syngamy and triple fusion

Description : Double fertilization is (1) Fusion of two male gametes of a pollen tube with two different eggs (2) Fusion of one male gamete with two polar nuclei (3) Fusion of two male gametes with one egg (4) Syngamy and triple fusion

Last Answer : (4) Syngamy and triple fusion

What do you mean by double fertilization?

Description : What do you mean by double fertilization?

Last Answer : Ans: The process of fusion of one male gamete with egg to form diploid zygote and another male gamete with the polar nuclei or secondary nucleus to form primary endosperm nucleus is called double fertilization.

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

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

In the prothallus of a vascular cryptogam, the antherozoids and eggs mature at different times. As a result (a) there is high degree of sterility (b) one can conclude that the plant is apomictic (c) self fertilization is prevented (d) there is no change in success rate of fertilization.

Description : In the prothallus of a vascular cryptogam, the antherozoids and eggs mature at different times. As a result (a) there is high degree of sterility (b) one can conclude that the plant is apomictic (c) self fertilization is prevented (d) there is no change in success rate of fertilization.

Last Answer : (c) self fertilization is prevented

Name some insectivorous angiosperms. -Biology

Description : Name some insectivorous angiosperms. -Biology

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Explain embryo development in angiosperms. -Biology

Description : Explain embryo development in angiosperms. -Biology

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Explain endosperm development in angiosperms. -Biology

Description : Explain endosperm development in angiosperms. -Biology

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Difference between gymnosperms and angiosperms -Biology

Description : Difference between gymnosperms and angiosperms -Biology