How have fruits contributed to the success of angiosperms?

How have fruits contributed to the success of angiosperms?
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What is the definition of angiosperms?

Description : What is the definition of angiosperms?

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Sporocarp is a reproductive structure of (a) Some algae (b) Some aquatic ferns (c) Angiosperms having spores (d) Bryophytes

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In angiosperms regarding development of microgametophyte each microspore mother cell undergoes (a) Mitosis to produce 4 microspores (b) Two successive mitosis to form 4 microspores (c) Two successive meiotic division to form 4 microspores (d) Meiosis to produce 4 haploid microspores

Description : In angiosperms regarding development of microgametophyte each microspore mother cell undergoes (a) Mitosis to produce 4 microspores (b) Two successive mitosis to form 4 microspores (c) Two successive meiotic division to form 4 microspores (d) Meiosis to produce 4 haploid microspores

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Which of the following are mostly woody trees, always perennials and never herbs or annuals? (a) Angiosperms (b) Gymnosperms (c) Pteridophytes (d) Bryophytes

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Companion cells of phloem are found in – (1) Gymnosperms (2) Bryophyta (3) Pteridophyta (4) Angiosperms

Description : Companion cells of phloem are found in – (1) Gymnosperms (2) Bryophyta (3) Pteridophyta (4) Angiosperms

Last Answer : (4) Angiosperms Explanation: Only in angiosperms are sieve tubes and companion cells found in the plaloern. In other vascular plants, parenchyma cells function in the same way as companion cells (that ... living protoplasm), but they are not derived from the same mother cell as the sieve element.

How do angiosperms differ from gymnosperms?

Description : How do angiosperms differ from gymnosperms?

Last Answer : First, the seeds of the angiosperms, a more recently evolved and highly successful division of the tracheophytes, are enclosed within a protective chamber, the ovary. A ripened ovary containing ... support. In conifers, the single xylem elements, the tracheids, represent a more primitive condition 

The most significant feature of angiosperms is the

Description : The most significant feature of angiosperms is the

Last Answer : flowers.

In angiosperms, the seeds are enclosed in structure called

Description : In angiosperms, the seeds are enclosed in structure called

Last Answer : fruit.

Classify the following into gymnosperms and angiosperms. Wheat, pinus, bean, Cycas

Description : Classify the following into gymnosperms and angiosperms. Wheat, pinus, bean, Cycas

Last Answer : Pinus, Cycas – Gymnosperms Wheat, bean – Angiosperms

Mention the characteristics of angiosperms.

Description : Mention the characteristics of angiosperms.

Last Answer : a) Angiosperms are group of plants in which seeds are enclosed in structure called fruit. b) They are the most evolved group of plants. c) The adult plant body is sporophyte. d) Flowers are the ... Flowers may be found singly or in a cluster. f) They are of two types monocots and dicots.

What are angiosperms?

Description : What are angiosperms?

Last Answer : Angiosperms are a group of plants in which the seeds are enclosed in structures called fruit. (Angion=cover, sperma=seed)They are the most evolved group of plants.

What are Angiosperms?

Description : What are Angiosperms?

Last Answer : They are flowering plants

The species that flower are called -------? A. Gymnosperms B. Bryophytes C. Angiosperms (Answer)

Description : The species that flower are called -------? A. Gymnosperms B. Bryophytes C. Angiosperms (Answer)

Last Answer : C. Angiosperms (Answer)

Describe the importance of angiosperms?

Description : Describe the importance of angiosperms?

Last Answer : i) Many angiosperms are source of food e.g. wheat, rice, maize etc. ii) Many important constituents of our food are obtained from angiosperms e.g. canola, mustard, coconut etc. iii) ... making ropes is obtained from angiosperms. xi) Large trees provide shelter and shade to animals and birds. 

Describe the structure and types of stem in angiosperms?

Description : Describe the structure and types of stem in angiosperms?

Last Answer : Structure: - The part of a flower from where a leaf arises is called node. The distance between two nodes is called internode. Types: - There are following types of stems: - (i) ... ) Succulent stems: - Opuntia, Euphorbia and cactus have succulent stems that can store and conserve water. 

What are roots? What are their types and functions in angiosperms?

Description : What are roots? What are their types and functions in angiosperms? 

Last Answer : Root: - Root is underground part of a plant. Function: - They not only fix the plant firmly into the soil but also absorb water and essential salts for growth of plant. Types: - ... which originate from parts of plant (stem or leaves) other than radical of seed is called adventitious root. 

Describe the classes of angiosperms?

Description : Describe the classes of angiosperms?

Last Answer : On the basis of cotyledons angiosperms are classified in two groups: - 1. Monocots: - i) Monocot seeds have a single cotyledon (embryonic leaf) ii) Endosperm is present in mature seeds. iii) They are ... of 4 or 5. vi) Their examples are rose, peas, pulses, kikar, mango and sunflower etc. 

Write a note on angiosperms? Characteristics of angiosperms.

Description : Write a note on angiosperms? Characteristics of angiosperms. 

Last Answer : i) They are vascular plants that bear flowers. ii) Their seeds are produced within the fruits. iii) The fruit protect the developing seed. iv) In addition to tracheids they have water-conducting ... are shorter than trees. c. Trees have hard woody stem and are taller than the shrubs. 

Which one of the following have the highest number of species in nature? (a) Fungi (b) Insects (c) Birds (d) Angiosperms

Description : Which one of the following have the highest number of species in nature? (a) Fungi (b) Insects (c) Birds (d) Angiosperms

Last Answer : (b) Insects

The most thoroughly studied of the known bacteria- plant interactions is the (a) cyanobacterial symbiosis with some aquatic ferns (b) gall formation on certain angiosperms by Agrobacterium (c) nodulation of Sesbania stems by nitrogen fixing bacteria (d) plant growth stimulation by phosphate- solubilising bacteria.

Description : The most thoroughly studied of the known bacteria- plant interactions is the (a) cyanobacterial symbiosis with some aquatic ferns (b) gall formation on certain angiosperms by Agrobacterium (c) ... stems by nitrogen fixing bacteria (d) plant growth stimulation by phosphate- solubilising bacteria.

Last Answer : (b) gall formation on certain angiosperms by Agrobacterium

Double fertilisation is characteristic of (a) angiosperms (b) anatropous (c) gymnosperms (d) bryophytes.

Description : Double fertilisation is characteristic of (a) angiosperms (b) anatropous (c) gymnosperms (d) bryophytes.

Last Answer : (a) angiosperms

The role of double fertilisation in angiosperms is to produce (a) cotyledons (b) endocarp (c) endosperm (d) integuments.

Description : The role of double fertilisation in angiosperms is to produce (a) cotyledons (b) endocarp (c) endosperm (d) integuments.

Last Answer : (c) endosperm

In angiosperms, pollen tube liberate their male gametes into the (a) central cell (b) antipodal cells (c) egg cell (d) synergids.

Description : In angiosperms, pollen tube liberate their male gametes into the (a) central cell (b) antipodal cells (c) egg cell (d) synergids.

Last Answer : d) synergids.

Double fertilisation is exhibited by (a) algae (b) fungi (c) angiosperms (d) gymnosperms.

Description : Double fertilisation is exhibited by (a) algae (b) fungi (c) angiosperms (d) gymnosperms.

Last Answer : c) angiosperms

Male gametophyte of angiosperms is shed at (a) four celled pollen grain (b) three celled pollen grain (c) microspore mother cell (d) anther.

Description : Male gametophyte of angiosperms is shed at (a) four celled pollen grain (b) three celled pollen grain (c) microspore mother cell (d) anther.

Last Answer : b) three celled pollen grain