Tag: importance and classification of angiosperms

Questions Related to importance and classification of angiosperms

Stamen of an angiospermic plant is equivalent to?

biology economic importance of plants and animals uses of angiosperms importance and classification of angiosperms classification of angiosperms importance of plants

  1. Microsporangia

  2. Microspore

  3. Megasporophyll

  4. Microsporophyll

Show answer
Correct Option: A

Which state in India is the largest producer of cotton

biology economic importance of plants and animals uses of angiosperms importance and classification of angiosperms classification of angiosperms importance of plants

  1. Uttar Pradesh

  2. Madras

  3. Rajasthan

  4. Gujarat

Show answer
Correct Option: D

Matunga, Bombay has one of the following institutes

biology economic importance of plants and animals uses of angiosperms importance and classification of angiosperms classification of angiosperms importance of plants

  1. Industrial Toxicology Research Laboratory

  2. Cotton Technology Research Laboratory

  3. National Institute of Oceanography

  4. Llyod Botanical Garden

Show answer
Correct Option: B

Following arrangement is correct from the point of view of decreasing biodiversity in angiosperms (N), fungi (F), pteridophytes (P) and algae (A).

biology economic importance of plants and animals uses of angiosperms importance and classification of angiosperms classification of angiosperms importance of plants

  1. N $>$ F $>$ P $>$ A

  2. N $>$ F $>$ A $>$ P

  3. F $>$ N $>$ P $>$ A

  4. F $>$ N $>$ A $>$ P

Show answer
Correct Option: B
Explanation:
Biodiversity means the diversity of species of genetic variation within one species and of ecosystem angiosperms have the ability to live animals into transporting their pollen and seeds. Fungi, unlike plants and pteridophytes, are vascular plants that produce neither flowers nor seeds. Algae cannot synthesize their food and need an external source of nutrients. The order of decreasing biodiversity is N>F >A>P. Hence, the correct answer is option B,  N>F >A>P.

Function of embryonal suspensor in angiosperms is to?

biology economic importance of plants and animals uses of angiosperms importance and classification of angiosperms classification of angiosperms importance of plants

  1. Serve as channel for $H _2O$

  2. Push embryo deeper into endosperm

  3. Release growth hormone's

  4. Transfer nutrients from parent sporophyte to young embryo

Show answer
Correct Option: A

Wax is obtained from

biology economic importance of plants and animals uses of angiosperms importance and classification of angiosperms classification of angiosperms importance of plants

  1. Jojoba

  2. Guayle

  3. Leucaena

  4. Subabul

Show answer
Correct Option: A
Explanation:

Jojoba is a plant that is grown commercially to produce jojoba oil. It is a liquid wax ester that is extracted from its seed.

So the correct option is A.

Who is author of book "Introduction to the Embryology" of Angiosperms?

biology economic importance of plants and animals uses of angiosperms importance and classification of angiosperms classification of angiosperms importance of plants

  1. Maheshwari

  2. Birbal Sahni

  3. T.S. Mahabale

  4. J.S. Singh

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Correct Option: A
Explanation:
Panchanan Maheshwari is the author of the book "Introduction to Embryology"
So, the correct answer is 'Maheshwari'

Glycerine is obtained from

biology economic importance of plants and animals uses of angiosperms importance and classification of angiosperms classification of angiosperms importance of plants

  1. Bagasse

  2. Molasse

  3. Filter mud

  4. All the above

Show answer
Correct Option: B
Explanation:

Glycerine can be manufactured by the alcoholic fermentation of molasses.

So the correct option is B

Important use of which of the following is as a lubricant

biology economic importance of plants and animals uses of angiosperms importance and classification of angiosperms classification of angiosperms importance of plants

  1. Helianthus annuus

  2. Carthamus tinctorious

  3. Ricinus communis

  4. Cocos nucifera

Show answer
Correct Option: C
Explanation:

Castor oil (Ricinus communis) has a number of medicinal, industrial and pharmaceutical uses. It's commonly used as an additive in foods, medications and skin care products and as an industrial lubricant, biodiesel fuel component, etc.

So the correct option is C.

In angiosperms the pollen grain is normally pollinated at ____________.

biology economic importance of plants and animals uses of angiosperms importance and classification of angiosperms classification of angiosperms importance of plants

  1. One cell stage

  2. Two celled stage

  3. Three celled stage

  4. Four celled stage

Show answer
Correct Option: B
Explanation:
Pollen grains are shed at two-celled condition (a vegetative cell and a generative cell). In such plants, the generative cell divides and forms the two male gametes during the growth of pollen tube in the stigma.
So, the correct answer is 'Two celled stage'