NEET Test Series from KOTA - 10 Papers In MS WORD
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BIOXII02: SEXUAL REPRODUCTION IN FLOWERING PLANTS
341724
Pollination by water takes place in
1 Vallisneria
2 Hydrilla
3 Zostera
4 All the above
Explanation:
Pollination by water is quite rare in flowering plants. Vallisnaria and Hydrilla grows in fresh water and several marine grasses such as Zostera use water for pollination.
BIOXII02: SEXUAL REPRODUCTION IN FLOWERING PLANTS
341725
Which one of the following is not a correct explanation of cross pollination
1 Pollen grains of male flower are transferred to stigma of the female flower
2 Pollen grains of one flower are transferred to stigma of the same flower
3 Pollen grains are transferred from one flower to another flower situated on different plant
4 Pollen grains are transferred from one flower to another flower of another plant of same species
Explanation:
Pollen grains of one flower are transferred to stigma of the same flower is autogamy
BIOXII02: SEXUAL REPRODUCTION IN FLOWERING PLANTS
341726
Pollen robbers
1 Consume pollen or nectar without pollination
2 Are effective in bringing about pollination
3 Do not visit flowers for pollen
4 Take pollen from other insects
Explanation:
Pollen robbers consume pollen or nectar without pollination
BIOXII02: SEXUAL REPRODUCTION IN FLOWERING PLANTS
341727
Identify the correct description about the given figure:
1 Wind pollinated plant inflorescence showing flowers with well exposed stamens.
2 Water pollinated flowers showing stamens with mucilaginous covering.
3 Cleistogamous flowers showing autogamy.
4 Compact inflorescence showing complete autogamy
Explanation:
The given diagram shows a wind pollinated plant showing compact inflorescence and well exposed stamens.
Pollination by water is quite rare in flowering plants. Vallisnaria and Hydrilla grows in fresh water and several marine grasses such as Zostera use water for pollination.
BIOXII02: SEXUAL REPRODUCTION IN FLOWERING PLANTS
341725
Which one of the following is not a correct explanation of cross pollination
1 Pollen grains of male flower are transferred to stigma of the female flower
2 Pollen grains of one flower are transferred to stigma of the same flower
3 Pollen grains are transferred from one flower to another flower situated on different plant
4 Pollen grains are transferred from one flower to another flower of another plant of same species
Explanation:
Pollen grains of one flower are transferred to stigma of the same flower is autogamy
BIOXII02: SEXUAL REPRODUCTION IN FLOWERING PLANTS
341726
Pollen robbers
1 Consume pollen or nectar without pollination
2 Are effective in bringing about pollination
3 Do not visit flowers for pollen
4 Take pollen from other insects
Explanation:
Pollen robbers consume pollen or nectar without pollination
BIOXII02: SEXUAL REPRODUCTION IN FLOWERING PLANTS
341727
Identify the correct description about the given figure:
1 Wind pollinated plant inflorescence showing flowers with well exposed stamens.
2 Water pollinated flowers showing stamens with mucilaginous covering.
3 Cleistogamous flowers showing autogamy.
4 Compact inflorescence showing complete autogamy
Explanation:
The given diagram shows a wind pollinated plant showing compact inflorescence and well exposed stamens.
Pollination by water is quite rare in flowering plants. Vallisnaria and Hydrilla grows in fresh water and several marine grasses such as Zostera use water for pollination.
BIOXII02: SEXUAL REPRODUCTION IN FLOWERING PLANTS
341725
Which one of the following is not a correct explanation of cross pollination
1 Pollen grains of male flower are transferred to stigma of the female flower
2 Pollen grains of one flower are transferred to stigma of the same flower
3 Pollen grains are transferred from one flower to another flower situated on different plant
4 Pollen grains are transferred from one flower to another flower of another plant of same species
Explanation:
Pollen grains of one flower are transferred to stigma of the same flower is autogamy
BIOXII02: SEXUAL REPRODUCTION IN FLOWERING PLANTS
341726
Pollen robbers
1 Consume pollen or nectar without pollination
2 Are effective in bringing about pollination
3 Do not visit flowers for pollen
4 Take pollen from other insects
Explanation:
Pollen robbers consume pollen or nectar without pollination
BIOXII02: SEXUAL REPRODUCTION IN FLOWERING PLANTS
341727
Identify the correct description about the given figure:
1 Wind pollinated plant inflorescence showing flowers with well exposed stamens.
2 Water pollinated flowers showing stamens with mucilaginous covering.
3 Cleistogamous flowers showing autogamy.
4 Compact inflorescence showing complete autogamy
Explanation:
The given diagram shows a wind pollinated plant showing compact inflorescence and well exposed stamens.
Pollination by water is quite rare in flowering plants. Vallisnaria and Hydrilla grows in fresh water and several marine grasses such as Zostera use water for pollination.
BIOXII02: SEXUAL REPRODUCTION IN FLOWERING PLANTS
341725
Which one of the following is not a correct explanation of cross pollination
1 Pollen grains of male flower are transferred to stigma of the female flower
2 Pollen grains of one flower are transferred to stigma of the same flower
3 Pollen grains are transferred from one flower to another flower situated on different plant
4 Pollen grains are transferred from one flower to another flower of another plant of same species
Explanation:
Pollen grains of one flower are transferred to stigma of the same flower is autogamy
BIOXII02: SEXUAL REPRODUCTION IN FLOWERING PLANTS
341726
Pollen robbers
1 Consume pollen or nectar without pollination
2 Are effective in bringing about pollination
3 Do not visit flowers for pollen
4 Take pollen from other insects
Explanation:
Pollen robbers consume pollen or nectar without pollination
BIOXII02: SEXUAL REPRODUCTION IN FLOWERING PLANTS
341727
Identify the correct description about the given figure:
1 Wind pollinated plant inflorescence showing flowers with well exposed stamens.
2 Water pollinated flowers showing stamens with mucilaginous covering.
3 Cleistogamous flowers showing autogamy.
4 Compact inflorescence showing complete autogamy
Explanation:
The given diagram shows a wind pollinated plant showing compact inflorescence and well exposed stamens.
