BOTANY : EMBRYOLOGY Mock Test 2

🟥 BOTANY : EMBRYOLOGY Mock Test 2

🟥 QUESTIONS : 26

🟥 TIME : 30 MINS

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1)

Functional megaspore in a flowering plant develops into ]
-

A) Endosperm -

B) Ovule

C) Embryo -

D) Embryo sac -

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2) In which of the following part of ovule the reserve food is stored

A) - Nucellus

B) Integument

C) All the above -

D) - Micropile -

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3)

Micropile and funicle are parallel and very close to each other in which of the following type of ovule
-

A) Amphitropous -

B) Atropous

C) - Campylotropous -

D) Anatropous

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4)

Pollinia are sac like structures
-

A) Which secrete pollen kit

B) Mass of stigma -

C) Which are found in megasporangium -

D) - In which pollen grains are present in mass

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5)

Flowers with both androecium and gynoecium are called
-

A) Anther -

B) Stigma

C) Unisexual flowers

D) Bisexual flowers - -

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6) Intine of pollen grain composed of

A) - Cellulose and pectin

B) Suberin and lignin

C) - Lignin and cutin -

D) - Cellulose and lignin

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7)

The point at which the funicle attaches the ovule
-

A) Hilum -

B) - Chalasa

C) - Raphae

D) Micropile

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8) Which of the following statements is correct?

A) - Tapetum nourishes the developing pollen -

B) - Microspores are produced by endothecium -

C) Sporogenous tissue is haploid

D) The hard outer layer of pollen is called intine

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9) A microspore mother cell forms

A) - An ovule

B) Ovum

C) An embyosac -

D) - Pollen grains -

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10) The space between outer and inner integument inthe region of micropile is called

A) - Exostome

B) - Endostome -

C) Hypostome

D) Peristome -

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11) Generative nucleus divides forming

A) - 4 famale nuclei -

B) - 2 male nuclei

C) 4 male nuclei -

D) 1 male nuclei

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12)

Branchef type of pollen tube is formed in
-

A) China rose

B) - Cucurbita

C) Solanum

D) - Salvia -

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13)

In most of the plants, the micropile is formed by
-

A) Inner integument -

B) Both a and b

C) - Outer integument -

D) - Outer integument -

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14) Before dehiscence of anther

A) - middle layer enlarge --

B) Endothecium develops fibrous thickening -

C) Epidermis degenerate

D) Middle layer develops fibrous thickening

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15)

Common type of tapetum among angiosperms
-

A) Invadive -

B) Tubular

C) Amoeboid -

D) Secretary -

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16)

All the five type of tetrad arrangement found in
-

A) Cuscuta reflexa -

B) Aristalochia elegans -

C) Mirabilis jalapa

D) Allium cepa -

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17) Successive wall formation is commonly found in

A) - Pteridophytes - -

B) Monocots

C) Didcots

D) Gymnosperm -

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18)

The microspores of tetrad are separated from each other by
-

A) Cellulose -

B) - Pectin -

C) Callose

D) Cutin

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19) In which of the following kinds of ovules, the embryo sac is horse-shoe shaped?

A) - Hemianatropous ovule -

B) Circinotropous ovule

C) Amphitropous ovule -

D) - Orthotroppous ovule

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20) Microspore undergoes which division ]

A) - None of the above -

B) Meiosis

C) Mitosis -

D) Both a and b -

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21) ————— is also called integumented microsporangium

A) - Ovule-

B) - Megaspore

C) - Embryo sac

D) Micropile

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22)

Tectum baculum, foot layers are the different parts of
-

A) Microspore wall

B) - Megaspore wall

C) - Megaspore mother cell wall -

D) Microspore mother cell wall

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23) A typical anther is generally composed of

A) - 1 sporangium -

B) 3 sporangium

C) 2 sporangium -

D) 4 sporangium -

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24)

The point of repture inthe anther wall during dehiscence is called
-

A) Hilum - -

B) Stomium

C) Operculum -

D) Micropile

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25)

The two nuclei at the end of the pollen tube are called
- Tube nucleus and a generative nucleus
- Generative nucleus and stigma
- Sperm and ovum
- Tube nucleus and sperm

A) Generative nucleus and stigma

B) Sperm and ovum

C) Tube nucleus and a generative nucleus

D) Tube nucleus and sperm

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26)

Polythecous multisporangiate condition is found in which family
-

A) Cucurbitaceae -

B) - Solanaceae

C) Amaranthaceae

D) Loranthaceae -

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BOTANY : EMBRYOLOGY Mock Test 2

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