341461
Statement A : Stigma of pistil receives the pollen during pollination. Statement B : Pollen grains are produced in the ovary of gynoecium.
1 Statement A is correct but Statement B is incorrect.
2 Statement A is incorrect but Statement B is correct.
3 Both statements are correct.
4 Both Statements are incorrect.
Explanation:
The function of the stigma in a flower is as a pollen receptor. Anthers produce numerous pollen grains, which contain male gamete cells. Gynoecium is most commonly used as a collective term for the parts of a flower that produce ovules and ultimately develop into the fruit and seeds.
BIOXII01: REPRODUCTION IN ORGANISMS
341462
Assertion : In cucurbita and coconut flowers are bisexual. Reason : In cucurbita and coconut stamen and pistil are present in same flower.
1 Both Assertion and Reason are correct and Reason is the correct explanation of the Assertion.
2 Both Assertion and Reason are correct but Reason is not the correct explanation of the Assertion.
3 Assertion is correct but Reason is incorrect.
4 Both Assertion and Reason are incorrect
Explanation:
They are unisexual i.e their flowers bear either male or female sex organs.Coconut is a unisexual flower as it contains either the male or female reproductive parts. It does not depend on the carpel to pollinate. It has only one stamen
BIOXII01: REPRODUCTION IN ORGANISMS
341463
Choose the correct statement from amongst the following:
1 Dioecious (hermaphrodite) organisms are seen only in animals
2 Dioecious organisms are seen only in plants
3 Dioecious organisms are seen in both plants and animals
4 Dioecious organisms are seen only in vertebrates
Explanation:
Many flowering plants are dioecious. Pheretima is an example of dioecious animal.
NCERT Exemplar
BIOXII01: REPRODUCTION IN ORGANISMS
341464
In which of the following plants, isogamy, anisogamy and oogamy all are found ?
1 Chlamydomonas
2 Ulothrix
3 Oscillatoria
4 Spirogyra
Explanation:
Chlamydomonas exhibits all three types of syngamy. It involves the fusion of two haploid gametes to form a diploid zygote.
341461
Statement A : Stigma of pistil receives the pollen during pollination. Statement B : Pollen grains are produced in the ovary of gynoecium.
1 Statement A is correct but Statement B is incorrect.
2 Statement A is incorrect but Statement B is correct.
3 Both statements are correct.
4 Both Statements are incorrect.
Explanation:
The function of the stigma in a flower is as a pollen receptor. Anthers produce numerous pollen grains, which contain male gamete cells. Gynoecium is most commonly used as a collective term for the parts of a flower that produce ovules and ultimately develop into the fruit and seeds.
BIOXII01: REPRODUCTION IN ORGANISMS
341462
Assertion : In cucurbita and coconut flowers are bisexual. Reason : In cucurbita and coconut stamen and pistil are present in same flower.
1 Both Assertion and Reason are correct and Reason is the correct explanation of the Assertion.
2 Both Assertion and Reason are correct but Reason is not the correct explanation of the Assertion.
3 Assertion is correct but Reason is incorrect.
4 Both Assertion and Reason are incorrect
Explanation:
They are unisexual i.e their flowers bear either male or female sex organs.Coconut is a unisexual flower as it contains either the male or female reproductive parts. It does not depend on the carpel to pollinate. It has only one stamen
BIOXII01: REPRODUCTION IN ORGANISMS
341463
Choose the correct statement from amongst the following:
1 Dioecious (hermaphrodite) organisms are seen only in animals
2 Dioecious organisms are seen only in plants
3 Dioecious organisms are seen in both plants and animals
4 Dioecious organisms are seen only in vertebrates
Explanation:
Many flowering plants are dioecious. Pheretima is an example of dioecious animal.
NCERT Exemplar
BIOXII01: REPRODUCTION IN ORGANISMS
341464
In which of the following plants, isogamy, anisogamy and oogamy all are found ?
1 Chlamydomonas
2 Ulothrix
3 Oscillatoria
4 Spirogyra
Explanation:
Chlamydomonas exhibits all three types of syngamy. It involves the fusion of two haploid gametes to form a diploid zygote.
NEET Test Series from KOTA - 10 Papers In MS WORD
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BIOXII01: REPRODUCTION IN ORGANISMS
341461
Statement A : Stigma of pistil receives the pollen during pollination. Statement B : Pollen grains are produced in the ovary of gynoecium.
1 Statement A is correct but Statement B is incorrect.
2 Statement A is incorrect but Statement B is correct.
3 Both statements are correct.
4 Both Statements are incorrect.
Explanation:
The function of the stigma in a flower is as a pollen receptor. Anthers produce numerous pollen grains, which contain male gamete cells. Gynoecium is most commonly used as a collective term for the parts of a flower that produce ovules and ultimately develop into the fruit and seeds.
BIOXII01: REPRODUCTION IN ORGANISMS
341462
Assertion : In cucurbita and coconut flowers are bisexual. Reason : In cucurbita and coconut stamen and pistil are present in same flower.
1 Both Assertion and Reason are correct and Reason is the correct explanation of the Assertion.
2 Both Assertion and Reason are correct but Reason is not the correct explanation of the Assertion.
3 Assertion is correct but Reason is incorrect.
4 Both Assertion and Reason are incorrect
Explanation:
They are unisexual i.e their flowers bear either male or female sex organs.Coconut is a unisexual flower as it contains either the male or female reproductive parts. It does not depend on the carpel to pollinate. It has only one stamen
BIOXII01: REPRODUCTION IN ORGANISMS
341463
Choose the correct statement from amongst the following:
1 Dioecious (hermaphrodite) organisms are seen only in animals
2 Dioecious organisms are seen only in plants
3 Dioecious organisms are seen in both plants and animals
4 Dioecious organisms are seen only in vertebrates
Explanation:
Many flowering plants are dioecious. Pheretima is an example of dioecious animal.
NCERT Exemplar
BIOXII01: REPRODUCTION IN ORGANISMS
341464
In which of the following plants, isogamy, anisogamy and oogamy all are found ?
1 Chlamydomonas
2 Ulothrix
3 Oscillatoria
4 Spirogyra
Explanation:
Chlamydomonas exhibits all three types of syngamy. It involves the fusion of two haploid gametes to form a diploid zygote.
341461
Statement A : Stigma of pistil receives the pollen during pollination. Statement B : Pollen grains are produced in the ovary of gynoecium.
1 Statement A is correct but Statement B is incorrect.
2 Statement A is incorrect but Statement B is correct.
3 Both statements are correct.
4 Both Statements are incorrect.
Explanation:
The function of the stigma in a flower is as a pollen receptor. Anthers produce numerous pollen grains, which contain male gamete cells. Gynoecium is most commonly used as a collective term for the parts of a flower that produce ovules and ultimately develop into the fruit and seeds.
BIOXII01: REPRODUCTION IN ORGANISMS
341462
Assertion : In cucurbita and coconut flowers are bisexual. Reason : In cucurbita and coconut stamen and pistil are present in same flower.
1 Both Assertion and Reason are correct and Reason is the correct explanation of the Assertion.
2 Both Assertion and Reason are correct but Reason is not the correct explanation of the Assertion.
3 Assertion is correct but Reason is incorrect.
4 Both Assertion and Reason are incorrect
Explanation:
They are unisexual i.e their flowers bear either male or female sex organs.Coconut is a unisexual flower as it contains either the male or female reproductive parts. It does not depend on the carpel to pollinate. It has only one stamen
BIOXII01: REPRODUCTION IN ORGANISMS
341463
Choose the correct statement from amongst the following:
1 Dioecious (hermaphrodite) organisms are seen only in animals
2 Dioecious organisms are seen only in plants
3 Dioecious organisms are seen in both plants and animals
4 Dioecious organisms are seen only in vertebrates
Explanation:
Many flowering plants are dioecious. Pheretima is an example of dioecious animal.
NCERT Exemplar
BIOXII01: REPRODUCTION IN ORGANISMS
341464
In which of the following plants, isogamy, anisogamy and oogamy all are found ?
1 Chlamydomonas
2 Ulothrix
3 Oscillatoria
4 Spirogyra
Explanation:
Chlamydomonas exhibits all three types of syngamy. It involves the fusion of two haploid gametes to form a diploid zygote.