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Worksheets12th Botany Lesson 1 English Full Quiz
Total questions: 57
Worksheet time: 30mins
Name
Class
Date
1.
Fertilization in angiosperm is ______ type
a)
Allogamy
b)
Double fertilization
c)
Pollination
d)
Fertilization
2.
These two also decide the incompatibility and compatibility of the pollen.______
a)
Style and ovary
b)
Ovary and style
c)
Wet stigma and dry stigma
d)
None of the above.
3.
The events from pollen deposition on the stigma to the entry of pollen tube into the ovule is called_______
a)
Style __stigma interaction
b)
Ovule _ _ovary interaction
c)
Pollen __pistil interaction
d)
Style__ovule interaction.
4.
Recognition rejection protein reaction between surface of ____
a)
The pollen __pistil
b)
The pollen__stigma
c)
The ovule___ovary
d)
The style___ovule.
5.
When the pollen tube enters through chalaza _____.
a)
Porogamy
b)
Chalazogamy
c)
Mesogamy
d)
Micropyle.
6.
The receptacles becomes fleshy and edible around the fruit enclosing the seed as in_____
a)
Pyrus Malus
b)
Lilium
c)
Fritillaria
d)
Angiosperm.
7.
when the pollen tube enters through Integument_____.
a)
Porogamy
b)
Chalazogamy
c)
Mesogamy
d)
Micropyle.
8.
The growth of the pollen tube towards the ovary . ovule and emryosac is due to the presence of_______
a)
Chemotrophic substances
b)
Semichemotropic substances
c)
Phototrophic substances
d)
Autotrophic substances..
9.
When the pollen tube enters through Micropyle_____.
a)
Porogamy
b)
Chalazogamy
c)
Mesogamy
d)
Micropyle
10.
The calyx cover the fruits in ______
a)
Pyrus malus
b)
Physalis minima
c)
Lilium
d)
Solanum melogena
11.
After fertilization the perisperm develops from______
a)
Sepals
b)
Funicle
c)
Ovule
d)
Nucellus.
12.
Identify the endosperm seed .________.
a)
Bean
b)
Mango
c)
Cucurbits
d)
Wheat
13.
The weight of Lodoicea maldivica seed is______.
a)
60kg
b)
6kg
c)
600kg
d)
0.6kg.
14.
which of the following secretes amylase during germination?...
a)
sphaerosome
b)
Aleurosome
c)
Chromosome
d)
Ribosome.
15.
Reproduction which does not involve the union of male and female gametophyte is callled_______.
a)
Apomixis
b)
Synagamy
c)
Amphimixis
d)
Autogamy.
16.
PEN is refered as________.
a)
Primary Entry of Nucleus.
b)
Primary Endo nutritive tissue.
c)
Primary Endosperm Nucleus
d)
Post Entry of Nucleus.
17.
The remnant of nucellar tissues in the seed is called_______.
a)
Endosperm
b)
Antipodal cells
c)
Polar nuclei
d)
Perisperm
18.
The embryo is small and consists of one shield shaped cotyledon know as______
a)
Plumule
b)
Scutellum
c)
Micropyle
d)
Epithelium.
19.
Find the wrong statement
a)
Castor is endospermous
b)
Pea is non endospermous
c)
Aleurone grain contains sphaerosomes
d)
Three types of endosperms are in gymnosperms
20.
Assertion (A): parthenocarpy which arises due to mutation called genetic parthenocarpy .Reason (R): seedless fruits are useful for the preparation of jams.
a)
Both Assertion and reason are true and Reason is correct explanation of Assertion .
b)
Both Assertion and reason are true and but reason is not correct explanation of Assertion .
c)
Assertion is true ; Reason is false.
d)
Both Assertion and Reason are false.
21.
Find the Mis matching pair
a)
Runner - centella
b)
Sucker - chrysanthemum
c)
Offset -bryophyllum
d)
Stolon -fragaria
22.
T-shaped incision is made in-------- grafting
a)
Bud
b)
Approach
c)
Tongue
d)
Crown
23.
Epiphyllous buds are in_______
a)
chrysanthemum
b)
agave
c)
curcuma
d)
scilla
24.
give the one example of Axillary bulbils
a)
crysathemum
b)
diocorea
c)
bryophyllum
d)
murraya
25.
Find the Matching pair
a)
Rhizome - zinginber
b)
Corm - solanum
c)
Tuber- lilium
d)
Bulb- Tuber
26.
Example of Grafting
a)
Ixora
b)
Apple
c)
Moringa
d)
Hibiscus
27.
Example of Layering
a)
Jasminum
b)
Bougainvillea
c)
Mango
d)
Citrus
28.
The gametic fusion is
a)
Isogamy
b)
Anisogamy
c)
Oogamy
d)
All the above
29.
In ______external fertilization takes place in whereas in_____internal fertilization occurs
a)
Higher plants and algae
b)
Algae and higher plants
c)
Fungi and higher plants
d)
Algae and fungi
30.
In Tamil literature the are denoted by different flowers ________
a)
Six lands
b)
five lands
c)
seven lands
d)
four lands
31.
first cell of the male gametophyte in angiosperm is________
a)
Microspore
b)
Megaspore
c)
Primary endosperm nucleus
d)
pollen grain
32.
Innermost layers of the anther wall is____
a)
Endothelium
b)
Endothecium
c)
Epithelium
d)
Tapetum
33.
Identify the mismatched pair regarding the anther wall
a)
Epidermal layer ______protective in function
b)
Middle layer________persistent layer
c)
Endothecium ________helps in dehiscence of anther.
d)
Tapetum________nutritive in function.
34.
its Dual in Origin
a)
Endothecium
b)
epidermis
c)
Middle layer
d)
tapetum
35.
Assertion (A): sporopollenin preserves pollen in fossil deposits..Reason (R): sporopollenin is resistant to physical and biological decomposition.
a)
A is false R is true.
b)
A is true R is false
c)
both A and R are true
d)
both A and R are false
36.
The word pistill refer to______
a)
Stigma
b)
Style
c)
Ovary
d)
All the above.
37.
The ovules or megasporangia arise from____
a)
Funicle
b)
Nucellus
c)
Hilum
d)
The placenta.
38.
Ovules are also called_______
a)
Endothelium
b)
Nucellus
c)
Megasporangium
d)
Microsporangium
39.
The point of attachment of funicle to the body of the ovules is known as_______
a)
Nucellus
b)
Hilum
c)
Microsporangium
d)
Funiculus
40.
The process of development of megaspore from a megaspore mother cell is called_____
a)
Gametogenesis
b)
Megasporogenesis
c)
Microsporogenesis
d)
Sporogenesis
41.
This is the common type of ovules found in dicots and monocots______
a)
Anatropous
b)
Orthotropus
c)
Hemianatropous
d)
Campytotropus
42.
Integument encloses the nucellus completely except the top where it is free and forms______
a)
Raphe
b)
Funiculus
c)
Nucellus
d)
Micropyle
43.
which of the following represent megagametophyte?
a)
Embryo sac
b)
Ovule
c)
Nucellus
d)
Endosperm
44.
Which one of the following is converted into endosperm after fertilization?
a)
Funicle
b)
Egg
c)
Secondary nucleus
d)
Nucellus.
45.
The process of transfer of pollen grains from the anther to the stigma of a flower is called____.
a)
Pollination
b)
Megasporogenesis
c)
Microsporogenesis
d)
Sporogenesis
46.
The transfer of pollen on the stigma of the same flower is called
a)
Allogamy
b)
Autogamy
c)
chasmogamy
d)
cleistogamy
47.
The style is reflexed away from the stamens _________.
a)
Citrus
b)
Gloriosa
c)
Hibiscus
d)
Helianthus.
48.
choose the correct pair:
a)
protogyny______clerodendron
b)
protandry_______Helianthus
c)
monoecious_____date palm
d)
dioecious_______coconut.
49.
Tristyl occur in________.
a)
primula
b)
gloriosa
c)
Lythrum
d)
clerodendrum.
50.
choose the IN CORRECT pair:
a)
Entomophily______salvia
b)
Anemophiliy_______maize
c)
ornithophily______Sterlitzia.
d)
Myrmecophily______Adansonia
51.
some plans of ok pollinated by snails_____
a)
kigelial Africana
b)
adansonia digitata
c)
Araceae
d)
Both a and b.
52.
The relationship between_______and ______ is an example for obligate mutualism.
a)
Kigella and Africans
b)
Yucca and moth
c)
Adansonia and digtata
d)
None.
53.
choose the IN CORRECT pair:
a)
trap mechanism____________Aristolochia
b)
clip or translator mechanism________Ascleiadaceae.
c)
Piston mechanism________papilionaceae
d)
pit fall mechanism_____________Salvia
54.
Observe the Diagram and select the correct option mentioning the part A,B,C, and D
a)
(A) Synergid, (B) Egg, (C) polar nucleus, (D) Antipodal
b)
(A) Antipodal, (B) Synergid, (C) polar nucleus, (D) Egg,
c)
(A) Egg, (B) Synergid, (C) Antipodal, (D) polar nucleus,
d)
(A) Antipodal, (B) polar nucleus, (C) Synergid, (D) Egg,
55.
Choose the correct answer
a)
bud grafting,
b)
approach grafting,
c)
tongue grafting,
d)
crown grafting
56.
Choose the correct answer
a)
Rhizome
b)
Bulb
c)
Runner
d)
Sucker
57.
Choose the correct answer
a)
Rhizome
b)
Bulb
c)
Runner
d)
Sucker.
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