A small outgrowth arises from the parent body and eventually detaches to become a new individual. This mode of asexual reproduction, common in Hydra, is known as:
Anonymous Quiz
9%
Fragmentation
12%
Regeneration
73%
Budding
5%
Spore formation
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Which of the following pairs of diseases are caused by bacteria and can be sexually transmitted?
Anonymous Quiz
23%
AIDS and Warts
41%
Gonorrhoea and Syphilis
14%
Malaria and Gonorrhoea
22%
AIDS and Syphilis
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The transfer of pollen grains from the anther to the stigma of the same flower or another flower on the same plant is called:
Anonymous Quiz
16%
Cross-pollination
71%
Self-pollination
9%
Fertilization
5%
Germination
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In the human female reproductive system, where does the fusion of a sperm and an egg (fertilization) typically occur?
Anonymous Quiz
18%
Uterus
19%
Ovary
11%
Vagina
52%
Oviduct (Fallopian tube)
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In a flower, which part contains the ovules that develop into seeds after fertilization?
Anonymous Quiz
12%
Stigma
10%
Style
9%
Anther
69%
Ovary
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Spirogyra, an alga, reproduces asexually by breaking up into smaller pieces, each of which grows into a new individual. This process is called:
Anonymous Quiz
12%
Fission
28%
Regeneration
11%
Budding
49%
Fragmentation
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The transfer of pollen from the anther of one flower to the stigma of another flower on a different plant of the same species is called:
Anonymous Quiz
15%
Self-pollination
72%
Cross-pollination
7%
Fertilization
5%
Germination
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Which of the following is a secondary sexual characteristic that appears in human males during puberty?
Anonymous Quiz
7%
Enlargement of ovaries
10%
Onset of menstruation
18%
Widening of the pelvis
65%
Deepening of the voice
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The ability of a cut part of an organism like Planaria to develop into a whole new individual is known as:
Anonymous Quiz
6%
Budding
17%
Fragmentation
73%
Regeneration
5%
Fission
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In which of the following organisms does reproduction occur through binary fission in a definite orientation?
Anonymous Quiz
41%
Amoeba
15%
Yeast
38%
Leishmania
5%
Spirogyra
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Which of the following is a surgical method of contraception in human females that prevents the egg from reaching the uterus?
Anonymous Quiz
16%
Condom
39%
Tubectomy
23%
Vasectomy
23%
Copper-T
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The pistil or carpel is the female reproductive part of a flower. Which of the following correctly lists its components from top to bottom?
Anonymous Quiz
8%
Anther, filament, pollen
15%
Sepal, petal, receptacle
68%
Stigma, style, ovary
9%
Ovary, style, stigma
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A small outgrowth from the parent's body that develops into a new individual is characteristic of which mode of reproduction?
Anonymous Quiz
8%
Fragmentation
18%
Regeneration
68%
Budding
6%
Spore formation
❤3
In which of the following plants do new plantlets grow from the notches along the leaf margin?
Anonymous Quiz
9%
Potato
10%
Ginger
76%
Bryophyllum
4%
Rose
❤2
Menstruation occurs in the human female when:
Anonymous Quiz
15%
the egg is fertilized and implants.
72%
the egg is not fertilized and the uterine lining breaks down.
8%
the embryo is fully developed.
5%
the ovaries stop releasing eggs.
❤3
The bread mould, Rhizopus, reproduces asexually using thick-walled structures that can survive unfavorable conditions. These structures are called:
Anonymous Quiz
8%
Gametes
13%
Zygotes
71%
Spores
7%
Buds
❤3
In a flower, the stamen is the male reproductive part and consists of:
Anonymous Quiz
18%
Stigma, style, and ovary
68%
Anther and filament
10%
Petals and sepals
4%
Ovule and embryo sac
❤3
In the human female reproductive system, fertilization of the ovum by the sperm typically occurs in the:
Anonymous Quiz
20%
Ovary
14%
Uterus
7%
Cervix
59%
Fallopian tube (Oviduct)
❤3
Sexual reproduction is considered more beneficial than asexual reproduction because:
Anonymous Quiz
8%
it is a faster method of reproduction.
12%
it produces individuals identical to the parents.
76%
it creates genetic variation which is useful for the survival of the species.
4%
it requires only one parent.
❤4
After landing on a suitable stigma, a pollen grain germinates and grows a tube through the style to reach the ovule. What is this tube called?
Anonymous Quiz
14%
Style tube
18%
Stigma tube
63%
Pollen tube
4%
Micropyle tube
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Class 10th science notes
Target 95+ Chemical Reactions and Equations.pdf
Kr liya ye test ?
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