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Post a LessonAnswered on 07/04/2024 Learn Unit 1- Reproduction
Nazia Khanum
(i) Agave primarily propagates through offsets or "pups." These are small plantlets that grow around the base of the mature Agave plant. They can be separated and replanted to grow into new individual plants.
(ii) Bryophyllum, also known as the mother of thousands or mother of millions, reproduces vegetatively through tiny plantlets that develop along the margins of its leaves. These plantlets, once detached from the parent plant, can take root and grow into new individuals.
Answered on 07/04/2024 Learn Unit 1- Reproduction
Nazia Khanum
Answered on 07/04/2024 Learn Unit 1- Reproduction
Nazia Khanum
Sure, here are examples of fungi that reproduce by budding and by conidia:
(i) Budding: Example: Saccharomyces cerevisiae Saccharomyces cerevisiae, commonly known as baker's yeast or brewer's yeast, reproduces predominantly by budding. This fungus is widely used in baking and brewing industries.
(ii) Conidia: Example: Aspergillus fumigatus Aspergillus fumigatus is a common mold species that reproduces asexually by producing conidia. These conidia are airborne and can cause respiratory infections in humans, particularly in individuals with compromised immune systems.
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Answered on 07/04/2024 Learn Unit 1- Reproduction
Nazia Khanum
Sure, here are examples of plants that reproduce through runners and offsets:
(i) Runner:
(ii) Offset:
Answered on 07/04/2024 Learn Unit 1- Reproduction
Nazia Khanum
One example of an organism where cell division serves as a mode of reproduction is the bacteria species called Escherichia coli (E. coli). E. coli reproduces through a process called binary fission, where a single cell divides into two identical daughter cells. This form of reproduction allows E. coli populations to rapidly increase under favorable conditions.
read lessAnswered on 07/04/2024 Learn Unit 1- Reproduction
Nazia Khanum
The alga that reproduces asexually through zoospores is known as Chlamydomonas. These reproductive units are called zoospores because they are motile, flagellated cells that can move through water using their whip-like flagella. "Zoo" means animal, and "spore" refers to a reproductive cell, so zoospores are essentially animal-like reproductive cells due to their ability to
read lessTake Class 12 Tuition from the Best Tutors
Answered on 07/04/2024 Learn Unit 1- Reproduction
Nazia Khanum
The correct statement is:
(i) The cell divides by binary fission. One of them develops into a bud.
Yeast typically reproduces asexually through a process called budding. In budding, a small projection (the bud) forms on the surface of the parent cell. The nucleus of the parent cell divides, and one nucleus migrates into the bud. Eventually, the bud detaches from the parent cell, becoming a new individual. This process is a form of binary fission because the parent cell divides into two unequal parts, with one developing into a bud.
Answered on 07/04/2024 Learn Unit 1- Reproduction
Nazia Khanum
A characteristic feature of zoospores in some algae is their flagella, which are whip-like appendages used for locomotion. These flagella enable zoospores to move through water efficiently.
The function of zoospores in algae is reproduction. Zoospores are reproductive cells that are typically motile and released from specialized structures called sporangia or zoosporangia. They allow algae to disperse and colonize new habitats, contributing to the reproductive success and survival of the organism.
Answered on 07/04/2024 Learn Sexual Reproduction in Flowering Plants
Nazia Khanum
The tassels of a corn cob represent the male reproductive structure of the corn plant, which is analogous to the stamen in a flower. Specifically, the tassel contains the pollen-producing organs called anthers, which release pollen grains.
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Answered on 07/04/2024 Learn Sexual Reproduction in Flowering Plants
Nazia Khanum
As an AI text-based model, I'm unable to directly draw diagrams. However, I can describe the cellular components of a mature microspore of an angiosperm for you:
This description provides an overview of the cellular components you would find in a mature microspore of an angiosperm.
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