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Taxonomic Aids

Description: Taxonomy 1
Number of Questions: 15
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Tags: sarbjeet Taxonomic Aids Taxonomical Aids
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Which of the following is not a family of angiosperms?

  1. Altingiaceae

  2. Cycadaceae

  3. Platanaceae

  4. Brassicaceae

  5. Theaceae


Correct Option: B
Explanation:

Cycadaceae is an ancient palm like plant closely related to ferns in that fertilization is by means of spermatozoids. It belongs to the family of gymnosperms.

Latex is not present in which of the following?

  1. Cucurbita

  2. Calotropis

  3. Hevena

  4. Euphorbia

  5. Hypnaceae


Correct Option: A
Explanation:

Latex is not present in cucurbita.

In malvaceae, which of the following is the androecium?

  1. Monadelphos

  2. Diadelphous

  3. Didynamous

  4. Tetradynamous

  5. Tetradelphous


Correct Option: A
Explanation:

In malvaceae, the androecium is monadelphos.

Which of the following has the condition of polygamy?

  1. Rosaceae

  2. Leguminosae

  3. Cucurbitaceae

  4. Malvaceae

  5. Hypnaceae


Correct Option: C
Explanation:

Cucurbitaceae has the condition of polygamy.

Timber can be obtained from

  1. Solanaceae

  2. Liliaceae

  3. Cruciferae

  4. Leguminosae

  5. Salicaceae


Correct Option: D
Explanation:

Timber can be obtained from Leguminosae . It is a large family of trees, shrubs, vines, and herbs bearing bean pods; divided for convenience into the subfamilies Caesalpiniaceae; Mimosaceae; Papilionaceae.

Find out the wrong pair among the given options.

  1. Solanaceae - pumpkins

  2. Cruciferae - cabbage

  3. Fabaceae - beans

  4. Rosaceae - pears

  5. Poaceae - cereals


Correct Option: A
Explanation:

This option is wrong. The reason is pumpkin belong to the family Cucurbitaceae, not Solanaceae. An example of Solanaceae family is tomato.

The embryo sac of seed plants develop from the

  1. nucellus

  2. zygote

  3. megaspore

  4. embryo

  5. microspore


Correct Option: C
Explanation:

The embryo-sac of seed plants develops from the megaspore.

In the family umbelliferae, the principle type of fruit produced is

  1. cremocarp

  2. regma

  3. samara

  4. lomentum

  5. nut


Correct Option: A
Explanation:

In the family umbelliferae, the principle type of fruit produced is cremocarp.

Find out the incorrect pair.

  1. Wheat - Secale

  2. Rice - Oryza

  3. Barley - Hordeum

  4. Oats - Avena

  5. Sorghum - Sorghum


Correct Option: A
Explanation:

This option is wrong. The botanical name of wheat is Triticum, not Secale. Secale is the botanical term of rye.

Which of the following is the fruit in compositae?

  1. Berry

  2. Cypsela

  3. Nut

  4. Samara

  5. Citrus


Correct Option: B
Explanation:

The fruit in compositae is Cypsela.

An embryo may sometimes develop from an embryo sac, other than egg. This is called

  1. apospory

  2. partenogenesis

  3. parthenocarpy

  4. apogamy

  5. oogamy


Correct Option: D
Explanation:

An embryo may sometimes develop from an embryo sac other than egg. This is called apogamy. It is the development of an embryo without fertilization; especially the development in some ferns of a sporophyte from the gametophyte without fertilization.

The word ending with 'oidae' indicates

  1. class

  2. sub-family

  3. order

  4. genus

  5. species


Correct Option: B
Explanation:

The word ending with 'oidae' indicates sub-family.

Zygomophic flowers occur in

  1. pandanus

  2. pea

  3. oxalis

  4. hibiscus

  5. begonia


Correct Option: B
Explanation:

Zygomophic flowers occur in pea.

A linear tetrad of 4 cells lying in an axial row develops during the development of the

  1. ovary

  2. ovule

  3. embryo sac

  4. pollen grains

  5. megaspore


Correct Option: C
Explanation:

A linear tetrad of 4 cells lying in an axial row develops during the development of the embryo sac.

Ochraceous stipules are seen in

  1. rosa

  2. lathyrus

  3. moringa

  4. polygonum

  5. pinus


Correct Option: D
Explanation:

Ochraceous stipules are seen in Polygonum.

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