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Worksheets12 Botany Lesson 1 Part 2 English
Total questions: 32
Worksheet time: 18mins
Name
Class
Date
1.
Example of Grafting
a)
Ixora
b)
Apple
c)
Moringa
d)
Hibiscus
2.
Example of Layering
a)
Jasminum
b)
Bougainvillea
c)
Mango
d)
Citrus
3.
The gametic fusion is
a)
Isogamy
b)
Anisogamy
c)
Oogamy
d)
All the above
4.
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
5.
In Tamil literature the are denoted by different flowers ________
a)
Six lands
b)
five lands
c)
seven lands
d)
four lands
6.
first cell of the male gametophyte in angiosperm is________
a)
Microspore
b)
Megaspore
c)
Primary endosperm nucleus
d)
pollen grain
7.
Innermost layers of the anther wall is____
a)
Endothelium
b)
Endothecium
c)
Epithelium
d)
Tapetum
8.
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.
9.
its Dual in Origin
a)
Endothecium
b)
epidermis
c)
Middle layer
d)
tapetum
10.
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
11.
The word pistill refer to______
a)
Stigma
b)
Style
c)
Ovary
d)
All the above.
12.
The ovules or megasporangia arise from____
a)
Funicle
b)
Nucellus
c)
Hilum
d)
The placenta.
13.
Ovules are also called_______
a)
Endothelium
b)
Nucellus
c)
Megasporangium
d)
Microsporangium
14.
The point of attachment of funicle to the body of the ovules is known as_______
a)
Nucellus
b)
Hilum
c)
Microsporangium
d)
Funiculus
15.
The process of development of megaspore from a megaspore mother cell is called_____
a)
Gametogenesis
b)
Megasporogenesis
c)
Microsporogenesis
d)
Sporogenesis
16.
This is the common type of ovules found in dicots and monocots______
a)
Anatropous
b)
Orthotropus
c)
Hemianatropous
d)
Campytotropus
17.
Integument encloses the nucellus completely except the top where it is free and forms______
a)
Raphe
b)
Funiculus
c)
Nucellus
d)
Micropyle
18.
which of the following represent megagametophyte?
a)
Embryo sac
b)
Ovule
c)
Nucellus
d)
Endosperm
19.
Which one of the following is converted into endosperm after fertilization?
a)
Funicle
b)
Egg
c)
Secondary nucleus
d)
Nucellus.
20.
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
21.
The transfer of pollen on the stigma of the same flower is called
a)
Allogamy
b)
Autogamy
c)
chasmogamy
d)
cleistogamy
22.
The style is reflexed away from the stamens _________.
a)
Citrus
b)
Gloriosa
c)
Hibiscus
d)
Helianthus.
23.
choose the correct pair:
a)
protogyny______clerodendron
b)
protandry_______Helianthus
c)
monoecious_____date palm
d)
dioecious_______coconut.
24.
Tristyl occur in________.
a)
primula
b)
gloriosa
c)
Lythrum
d)
clerodendrum.
25.
choose the IN CORRECT pair:
a)
Entomophily______salvia
b)
Anemophiliy_______maize
c)
ornithophily______Sterlitzia.
d)
Myrmecophily______Adansonia
26.
some plans of ok pollinated by snails_____
a)
kigelial Africana
b)
adansonia digitata
c)
Araceae
d)
Both a and b.
27.
The relationship between_______and ______ is an example for obligate mutualism.
a)
Kigella and Africans
b)
Yucca and moth
c)
Adansonia and digtata
d)
None.
28.
choose the IN CORRECT pair:
a)
trap mechanism____________Aristolochia
b)
clip or translator mechanism________Ascleiadaceae.
c)
Piston mechanism________papilionaceae
d)
pit fall mechanism_____________Salvia
29.
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,
30.
Choose the correct answer
a)
bud grafting,
b)
approach grafting,
c)
tongue grafting,
d)
crown grafting
31.
Choose the correct answer
a)
Rhizome
b)
Bulb
c)
Runner
d)
Sucker
32.
Choose the correct answer
a)
Rhizome
b)
Bulb
c)
Runner
d)
Sucker.
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