The smallest angiospermic flower is Wolffia, which is an aquatic plant. They are green or yellowgreen and have no roots. - It is less than $2 \mathrm{~mm}$ in measurement and it is a genus of 9-11 species, which include the smallest flowering plants.
Punjab MET-2009 / CMC Vellore-2009 UP CPMT-2009 / Rajasthan PMT-2001
Plant kingdom
259649
Which of the following statements regarding endosperm of angiosperms are true? A. Endosperm is formed by triple fusion B. Endosperm is nutritive in function C. It is a pre-fertilized structure D. It may or may not be completely utilized by the developing embryo
1 A, B \& D
2 A, B \& C
3 $B, C \& D$
4 A, C \& D
Explanation:
In gymnosperm, endosperm is formed by the triple fusion/ double fertilization. Endosperm rich in fat, carbohydrate and proteins which are used in the establishment of the seedling during seed germination. At the time of fertilization endosperm provide nutrition of developing embryo. Sometimes endosperm may or may not be completely used by the developing embryo.
Shift-II
Plant kingdom
259652
In angiosperm, the haploid, diploid and triploid structures of a fertilized embryo sac sequentially are :
1 Synergids, antipodals and Polar nuclei
2 Synergids, Primary endosperm nucleus and zygote
3 Antipodals, synergids, and primary endosperm nucleus
4 Synergids, Zygote and Primary endosperm nucleus
Explanation:
Embryo sac or female gametophyte is an oval structure present in the ovule of flowering plants. - Synergids are pair of haploid cells present at the micropylar end of embryo sac zygote which is a diploid structure undergoes divisions to form embryo, antipodal and polar nuclie are also haploid, diploid and triploid structures are synergid zygote and primary endosperm respectively.
NEET (UG) 07.05.2023
Plant kingdom
259657
Find the correct character related to double fertilization of Angiosperms.
1 A, B only
2 A, D only
3 A, C only
4 C, D only
Explanation:
Double fertilization is the characteristic of angiosperm. In this process one male gamete fuses with the egg to form a zygote which is known as syngamy. The other male gametes fuses with the two polar nuclie in the central cell to form a triploid primary endosperm nucleus or PEN. Hence, statement A \& D are correct.
NEET Test Series from KOTA - 10 Papers In MS WORD
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Plant kingdom
259647
The smallest angiospermic flower is
1 Wolffia
2 Renunculus
3 Rafflesia
4 Stellaria
Explanation:
The smallest angiospermic flower is Wolffia, which is an aquatic plant. They are green or yellowgreen and have no roots. - It is less than $2 \mathrm{~mm}$ in measurement and it is a genus of 9-11 species, which include the smallest flowering plants.
Punjab MET-2009 / CMC Vellore-2009 UP CPMT-2009 / Rajasthan PMT-2001
Plant kingdom
259649
Which of the following statements regarding endosperm of angiosperms are true? A. Endosperm is formed by triple fusion B. Endosperm is nutritive in function C. It is a pre-fertilized structure D. It may or may not be completely utilized by the developing embryo
1 A, B \& D
2 A, B \& C
3 $B, C \& D$
4 A, C \& D
Explanation:
In gymnosperm, endosperm is formed by the triple fusion/ double fertilization. Endosperm rich in fat, carbohydrate and proteins which are used in the establishment of the seedling during seed germination. At the time of fertilization endosperm provide nutrition of developing embryo. Sometimes endosperm may or may not be completely used by the developing embryo.
Shift-II
Plant kingdom
259652
In angiosperm, the haploid, diploid and triploid structures of a fertilized embryo sac sequentially are :
1 Synergids, antipodals and Polar nuclei
2 Synergids, Primary endosperm nucleus and zygote
3 Antipodals, synergids, and primary endosperm nucleus
4 Synergids, Zygote and Primary endosperm nucleus
Explanation:
Embryo sac or female gametophyte is an oval structure present in the ovule of flowering plants. - Synergids are pair of haploid cells present at the micropylar end of embryo sac zygote which is a diploid structure undergoes divisions to form embryo, antipodal and polar nuclie are also haploid, diploid and triploid structures are synergid zygote and primary endosperm respectively.
NEET (UG) 07.05.2023
Plant kingdom
259657
Find the correct character related to double fertilization of Angiosperms.
1 A, B only
2 A, D only
3 A, C only
4 C, D only
Explanation:
Double fertilization is the characteristic of angiosperm. In this process one male gamete fuses with the egg to form a zygote which is known as syngamy. The other male gametes fuses with the two polar nuclie in the central cell to form a triploid primary endosperm nucleus or PEN. Hence, statement A \& D are correct.
The smallest angiospermic flower is Wolffia, which is an aquatic plant. They are green or yellowgreen and have no roots. - It is less than $2 \mathrm{~mm}$ in measurement and it is a genus of 9-11 species, which include the smallest flowering plants.
Punjab MET-2009 / CMC Vellore-2009 UP CPMT-2009 / Rajasthan PMT-2001
Plant kingdom
259649
Which of the following statements regarding endosperm of angiosperms are true? A. Endosperm is formed by triple fusion B. Endosperm is nutritive in function C. It is a pre-fertilized structure D. It may or may not be completely utilized by the developing embryo
1 A, B \& D
2 A, B \& C
3 $B, C \& D$
4 A, C \& D
Explanation:
In gymnosperm, endosperm is formed by the triple fusion/ double fertilization. Endosperm rich in fat, carbohydrate and proteins which are used in the establishment of the seedling during seed germination. At the time of fertilization endosperm provide nutrition of developing embryo. Sometimes endosperm may or may not be completely used by the developing embryo.
Shift-II
Plant kingdom
259652
In angiosperm, the haploid, diploid and triploid structures of a fertilized embryo sac sequentially are :
1 Synergids, antipodals and Polar nuclei
2 Synergids, Primary endosperm nucleus and zygote
3 Antipodals, synergids, and primary endosperm nucleus
4 Synergids, Zygote and Primary endosperm nucleus
Explanation:
Embryo sac or female gametophyte is an oval structure present in the ovule of flowering plants. - Synergids are pair of haploid cells present at the micropylar end of embryo sac zygote which is a diploid structure undergoes divisions to form embryo, antipodal and polar nuclie are also haploid, diploid and triploid structures are synergid zygote and primary endosperm respectively.
NEET (UG) 07.05.2023
Plant kingdom
259657
Find the correct character related to double fertilization of Angiosperms.
1 A, B only
2 A, D only
3 A, C only
4 C, D only
Explanation:
Double fertilization is the characteristic of angiosperm. In this process one male gamete fuses with the egg to form a zygote which is known as syngamy. The other male gametes fuses with the two polar nuclie in the central cell to form a triploid primary endosperm nucleus or PEN. Hence, statement A \& D are correct.
The smallest angiospermic flower is Wolffia, which is an aquatic plant. They are green or yellowgreen and have no roots. - It is less than $2 \mathrm{~mm}$ in measurement and it is a genus of 9-11 species, which include the smallest flowering plants.
Punjab MET-2009 / CMC Vellore-2009 UP CPMT-2009 / Rajasthan PMT-2001
Plant kingdom
259649
Which of the following statements regarding endosperm of angiosperms are true? A. Endosperm is formed by triple fusion B. Endosperm is nutritive in function C. It is a pre-fertilized structure D. It may or may not be completely utilized by the developing embryo
1 A, B \& D
2 A, B \& C
3 $B, C \& D$
4 A, C \& D
Explanation:
In gymnosperm, endosperm is formed by the triple fusion/ double fertilization. Endosperm rich in fat, carbohydrate and proteins which are used in the establishment of the seedling during seed germination. At the time of fertilization endosperm provide nutrition of developing embryo. Sometimes endosperm may or may not be completely used by the developing embryo.
Shift-II
Plant kingdom
259652
In angiosperm, the haploid, diploid and triploid structures of a fertilized embryo sac sequentially are :
1 Synergids, antipodals and Polar nuclei
2 Synergids, Primary endosperm nucleus and zygote
3 Antipodals, synergids, and primary endosperm nucleus
4 Synergids, Zygote and Primary endosperm nucleus
Explanation:
Embryo sac or female gametophyte is an oval structure present in the ovule of flowering plants. - Synergids are pair of haploid cells present at the micropylar end of embryo sac zygote which is a diploid structure undergoes divisions to form embryo, antipodal and polar nuclie are also haploid, diploid and triploid structures are synergid zygote and primary endosperm respectively.
NEET (UG) 07.05.2023
Plant kingdom
259657
Find the correct character related to double fertilization of Angiosperms.
1 A, B only
2 A, D only
3 A, C only
4 C, D only
Explanation:
Double fertilization is the characteristic of angiosperm. In this process one male gamete fuses with the egg to form a zygote which is known as syngamy. The other male gametes fuses with the two polar nuclie in the central cell to form a triploid primary endosperm nucleus or PEN. Hence, statement A \& D are correct.
