What are the various types of placentation in flowering plants? -Biology

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Description : What is placentation? Describe the various types of placentation in plants. 

Last Answer : Ans: It is arrangement of ovules in the ovary. Part of the ovary from which ovules arise is called as placenta. Placentation is of the following types. I. Marginal placentation: Ovules are borne along ... : One or few ovules arise from the base of the unilocular ovary. Ex: Tridax, Helianthus. 

Description : What are the different types of placentation in flowers? -Biology

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Description : How many plants in the list given below have marginal placentation? Mustard, Gram, Tulip, Asparagus, Arhar, Sun- hemp, Chilli, Colchicum, Onion, Moong, Pea, Tobacco, Lupin (a) Four (b) Five (c) Six (d) Three

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Description : What is placentation? -Biology

Last Answer : Placentation is defined as the arrangement of the placenta or placentae in the ovary of a flower. Six type of placentation were observed in plants. They are 1. Marginal- The ovules develop in rows near ... the thalamus and bears a single ovule at the base of the unilocular ovary, e.g., Compositae.

Description : What is placentation in flowers? -Biology

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Description : Explain basal placentation with example. -Biology

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Description : Define the term placentation. -Biology

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Description : Basal placentation occurs in an ovary which is

Last Answer : Basal placentation occurs in an ovary which is A. Unilocular B. Bilocular C. Multlocular D. Lateral

Description : Basal placentation is found in the family: (a) Malvaceae (b) Solanaceae (c) Fabaceae (d) Asteraceae

Last Answer : Ans. ((d))

Description : Which one of the following organisms is correctly matched with its three characteristics? (a) Pea: C3 pathway, endospermic seed, vexillary aestivation (b) Tomato: twisted aestivation, axile ... imbricate aestivation, axile placentation (d) Maize: C3 pathway, closed vascular bundles, scutellum

Last Answer : (c) Onion: bulb, imbricate aestivation, axile placentation

Description : Which one of the following statements is correct? (a) In tomato, fruit is a capsule. (b) Seeds of orchids have oil-rich endosperm. (c) Placentation in primose is basal. (d) Flower of tulip is a modified shoot.

Last Answer : (d) Flower of tulip is a modified shoot.

Description : An example of axile placentation is (a) Dianthus (b) lemon (c) marigold (d) Argemone.

Last Answer : (b) lemon

Description : In unilocular ovary with a single ovule, the placentation is (a) marginal (b) basal (c) free central (d) axile.

Last Answer : (d) axile.

Description : Which one of the following figures represents the placentation in Dianthus? (a) (b) (c) (d)

Last Answer : (b)

Description : Placentation in tomato and lemon is (a) parietal (b) free central (c) marginal (d) axile.

Last Answer : (d) axile.

Description : Axile placentation is present in (a) pea (b) Argemone (c) Dianthus (d) lemon.

Last Answer : (d) lemon.

Description : Free central placentation is found in (a) Dianthus (b) Argemone (c) Brassica (d) Citrus.

Last Answer : (a) Dianthus

Description : Placentation in which ovules develop on the inner wall of the ovary or in peripheral part, is (a) free central (b) basal (c) axile (d) parietal.

Last Answer : (d) parietal.

Description : .Eutherians are characterised by (a) hairy skin (b) true placentation (c) ovoviviparity (d) glandular skin.

Last Answer : (b) true placentation

Description : Placentation in tomato and lemon is (1) Axile (2) Parietal (3) Free central (4) Marginal

Last Answer : (1) Axile

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Description : Name the male and female gametophytes in flowering plants -Biology

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Description : Where does meiosis occur in flowering plants ?

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Description : How are flowering plants and nonflowering plants alike?

Last Answer : Nonflowering Spore Plants. Mosses and ferns are the other two major types of plants that do not grow flowers. Mosses and ferns reproduce by spores instead of seeds.

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Description : A condition in which either pollen is absent or non functional in flowering plants.

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Description : Consider the following statements about pollination. 1. Transfer of pollen grains from the anther to ovules in the same flower or a different f lower is called pollination. 2. The pollination by wind is called anemophily. 3. Pollination is a ... 1 and 3 (b) 1, 2 and 4 (c) Only 2 (d) 1, 2, 3 and 4

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Description : Our major foods, fibres, spices, fruits and beverage crops are (a) Flowering plants (b) Gymnospermous plants (c) Pteridophytes (d) Bryophytes

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Description : Movements due to light are shown by (a) Flowering plants (b) Lower plants (c) All land plants (d) All the plants

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Description : Which of the following is true for photoperiodic? (1) It occurs only in plants (2) It is related to flowering in plants (3) It is related to feathers of animals (4) It is the reaction of organisms to the length of day or night

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Description : The flowering plants are called?

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