341600
Emasculation is not required when flowers are _______
1 Bisexual
2 Intersexual
3 Unisexual
4 Either 1 or 2
Explanation:
Emasculation is not required if the flowers are unisexual.
BIOXII02: SEXUAL REPRODUCTION IN FLOWERING PLANTS
341601
Material used for bagging is
1 Gunny bag
2 Woolen
3 Butter paper
4 All the above
Explanation:
Emasculated flowers are covered with a bag of suitable size generally made up of butter paper to prevent contamination of its stigma with unwanted pollen.
BIOXII02: SEXUAL REPRODUCTION IN FLOWERING PLANTS
341602
Continued self-pollination results in:
1 Inbreeding depression
2 Self incompatibility
3 Formation of unisexual flowers
4 Gametes loose vigour
Explanation:
Majority of flowering plants produce hermaphrodite flowers and pollen grains are likely to come in contact with the stigma of the same flower continued self-pollination results in decrease in vitality and productivity in the offspring known as inbreeding depression.
KCET - 2015
BIOXII02: SEXUAL REPRODUCTION IN FLOWERING PLANTS
341603
Identify the correct order of steps involved in artificial hybridization in plants.
Artificial hybridization of plant involves following steps: • Anthers or stamens are removed, or pollen grains are killed in a bisexual flower of a plant to be used as the female parent in a cross, a process called emasculation. • Emasculated flower is immediately bagged to avoid pollination by any foreign pollen grains. These bags are made up of butter paper, fine cloth or polythene depending on the inflorescence. Bagged flowers are then tagged. • Mature and fertile pollen grains are collected from male parent, bag is opened, and pollen grains are dusted on receptive stigma with the help of brush and artificial pollination is done. • Then, bagging is repeated.
341600
Emasculation is not required when flowers are _______
1 Bisexual
2 Intersexual
3 Unisexual
4 Either 1 or 2
Explanation:
Emasculation is not required if the flowers are unisexual.
BIOXII02: SEXUAL REPRODUCTION IN FLOWERING PLANTS
341601
Material used for bagging is
1 Gunny bag
2 Woolen
3 Butter paper
4 All the above
Explanation:
Emasculated flowers are covered with a bag of suitable size generally made up of butter paper to prevent contamination of its stigma with unwanted pollen.
BIOXII02: SEXUAL REPRODUCTION IN FLOWERING PLANTS
341602
Continued self-pollination results in:
1 Inbreeding depression
2 Self incompatibility
3 Formation of unisexual flowers
4 Gametes loose vigour
Explanation:
Majority of flowering plants produce hermaphrodite flowers and pollen grains are likely to come in contact with the stigma of the same flower continued self-pollination results in decrease in vitality and productivity in the offspring known as inbreeding depression.
KCET - 2015
BIOXII02: SEXUAL REPRODUCTION IN FLOWERING PLANTS
341603
Identify the correct order of steps involved in artificial hybridization in plants.
Artificial hybridization of plant involves following steps: • Anthers or stamens are removed, or pollen grains are killed in a bisexual flower of a plant to be used as the female parent in a cross, a process called emasculation. • Emasculated flower is immediately bagged to avoid pollination by any foreign pollen grains. These bags are made up of butter paper, fine cloth or polythene depending on the inflorescence. Bagged flowers are then tagged. • Mature and fertile pollen grains are collected from male parent, bag is opened, and pollen grains are dusted on receptive stigma with the help of brush and artificial pollination is done. • Then, bagging is repeated.
341600
Emasculation is not required when flowers are _______
1 Bisexual
2 Intersexual
3 Unisexual
4 Either 1 or 2
Explanation:
Emasculation is not required if the flowers are unisexual.
BIOXII02: SEXUAL REPRODUCTION IN FLOWERING PLANTS
341601
Material used for bagging is
1 Gunny bag
2 Woolen
3 Butter paper
4 All the above
Explanation:
Emasculated flowers are covered with a bag of suitable size generally made up of butter paper to prevent contamination of its stigma with unwanted pollen.
BIOXII02: SEXUAL REPRODUCTION IN FLOWERING PLANTS
341602
Continued self-pollination results in:
1 Inbreeding depression
2 Self incompatibility
3 Formation of unisexual flowers
4 Gametes loose vigour
Explanation:
Majority of flowering plants produce hermaphrodite flowers and pollen grains are likely to come in contact with the stigma of the same flower continued self-pollination results in decrease in vitality and productivity in the offspring known as inbreeding depression.
KCET - 2015
BIOXII02: SEXUAL REPRODUCTION IN FLOWERING PLANTS
341603
Identify the correct order of steps involved in artificial hybridization in plants.
Artificial hybridization of plant involves following steps: • Anthers or stamens are removed, or pollen grains are killed in a bisexual flower of a plant to be used as the female parent in a cross, a process called emasculation. • Emasculated flower is immediately bagged to avoid pollination by any foreign pollen grains. These bags are made up of butter paper, fine cloth or polythene depending on the inflorescence. Bagged flowers are then tagged. • Mature and fertile pollen grains are collected from male parent, bag is opened, and pollen grains are dusted on receptive stigma with the help of brush and artificial pollination is done. • Then, bagging is repeated.
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BIOXII02: SEXUAL REPRODUCTION IN FLOWERING PLANTS
341600
Emasculation is not required when flowers are _______
1 Bisexual
2 Intersexual
3 Unisexual
4 Either 1 or 2
Explanation:
Emasculation is not required if the flowers are unisexual.
BIOXII02: SEXUAL REPRODUCTION IN FLOWERING PLANTS
341601
Material used for bagging is
1 Gunny bag
2 Woolen
3 Butter paper
4 All the above
Explanation:
Emasculated flowers are covered with a bag of suitable size generally made up of butter paper to prevent contamination of its stigma with unwanted pollen.
BIOXII02: SEXUAL REPRODUCTION IN FLOWERING PLANTS
341602
Continued self-pollination results in:
1 Inbreeding depression
2 Self incompatibility
3 Formation of unisexual flowers
4 Gametes loose vigour
Explanation:
Majority of flowering plants produce hermaphrodite flowers and pollen grains are likely to come in contact with the stigma of the same flower continued self-pollination results in decrease in vitality and productivity in the offspring known as inbreeding depression.
KCET - 2015
BIOXII02: SEXUAL REPRODUCTION IN FLOWERING PLANTS
341603
Identify the correct order of steps involved in artificial hybridization in plants.
Artificial hybridization of plant involves following steps: • Anthers or stamens are removed, or pollen grains are killed in a bisexual flower of a plant to be used as the female parent in a cross, a process called emasculation. • Emasculated flower is immediately bagged to avoid pollination by any foreign pollen grains. These bags are made up of butter paper, fine cloth or polythene depending on the inflorescence. Bagged flowers are then tagged. • Mature and fertile pollen grains are collected from male parent, bag is opened, and pollen grains are dusted on receptive stigma with the help of brush and artificial pollination is done. • Then, bagging is repeated.
