1. Radicle
or primary root is short lived in
1)
Carrot 2) Turnip 3) Radish 4) Wheat
2. Identify
the incorrect statement from the following
1)
Roots synthesise some plant growth regulators
2)
Normal buds are absent on roots
3)
Some angiospermic plants steal food, water and minerals or only water and
minerals from other plants
4)
Underground parts of angiospermic plants are always roots
3. Both
fibrous roots and stilt roots are present in
1)
Taeniophyllum 2) Rhizophora 3) Maize 4) Asparagus
4. List
- I List
- II
A) Storage roots I) Avicennia
B) Pneumatophores II) Banyan
tree
C) Stilt roots III) Turnip
D) Prop roots IV) Sugar cane
The
correct match is
A B C D A B C D
1) III I II IV 2) I III II IV
3) III I IV II 4) IV I III II
5. Type
of sub aerial stem modification with one internode length is
1)
Sucker 2) Stolon 3) Runner 4) Offset
6. Sub
aerial stem modifications are mainly useful for
1)
Storage of food 2)
Perennation
3)
Vegetative propagation 4)
Protection from herbivorous animals
7. The
sub aerial stem which grows horizontally beneath the soil and then comes out
obliquely upward is
1)
Runner 2) Stolon 3) Offset 4) Sucker
8. Pineapple,
oxalis, Eichhornia and Jasmine show the following sub aerial stem modifications
1)
Runner, Offset, Stolon and Sucker respectively
2)
Stolon, Sucker, Runner and Offset respectively
3)
Sucker, Runner, Offset and Stolon respectively
4)
Offset, Stolon, Sucker and Runner respectively
9. Which
of the following parasites will send its haustoria into xylem of the host plant
to get water and minerals ?
1)
Striga 2) Viscum 3) Rafflesia 4) 1,2 and 3
10. List
- I List
- II
A) Stem tuber I) Turmeric
B) Rhizome II) Onion
C) Corm III) Potato
D) Bulb IV) Zaminkand
The
correct match is
A B C D A B C D
1) III I II IV 2) I III IV II
3) I III II IV 4) III I IV II
11. What
is wrong about Rhizome ?
1)
It stores food 2)It
has nodes and internodes
3)
It bears scale leaves 4)
It does not possess leaves and roots
12. Rhizome
differs from root in
1)
Showing vertical growth in the soil 2)
Presence of chlorophyll
3)
Presence of scale leaves and buds 4)
Showing underground position
13. Type
of sub aerial stem modification found in banana is
1)
Stolons 2)
Suckers 3) Seeds 4) Runners
14. Both
taproot system and aerial adventitious roots are present in
1)
Mustard 2) Turnip 3) Maize 4) Banyan tree
15. From
base to the apex of the root, the correct sequence of the following regions is
A)
Region of meristematic activity B)
Region of maturation
C)
Region of elongation
1)
A, B, C 2) B,
C, A 3) A, C, B 4) C, A, B
16. Morphology
of edible parts in potato and sweet potato are
1)
Root tuber and root tuber 2)
Stem tuber and stem tuber
3)
Stem tuber and root tuber respectively 4)
Root tuber and stem tuber respectively
17. Under
ground stem modification which does not produce adventitious roots is
1)
Rhizome 2) Corm 3) Bulb 4) Stem tuber
18. Assertion
(A) : Epiphytes
show xerophytic adaptations
Reason
(R) : Epiphytes
do not have direct contact with soil and do not get continuous water supply
1)
Both A and R are correct. R is the
correct explanation of A.
2)
Both A and R are correct. R is not the
correct explanation of A.
3)
A is true, but R is false 4)
A is false, but R is true
19. Assertion
(A) : Corm
is an aerial stem modification
Reason
(R) : Corm
contains nodes and internodes
1)
Both A and R are correct. R is the
correct explanation of A.
2)
Both A and R are correct. R is not the
correct explanation of A.
3)
A is true, but R is false 4)
A is false, but R is true
20. Normally
roots do not have
I.
Root cap II.
Chloroplasts III. Root Hairs IV. Normal buds
1) I and II only 2) II and III only 3) III and IV only 4) II and IV only
21. Common
character found in storage structures of turnip, carrot and radish
1)
All are cone shaped 2)
All of them contain chloroplasts
3)
All are formed from tap roots
4)
All of them have same colour due to presence of same pigment
22. Assertion
(A) : Stems
of all angiospermic plants are not aerial and roots of all angiopermic plants
are not underground
Reason
(R) : Stems
of onion are underground and roots of Taeniophyllum are aerial
1)
Both A and R are correct. R is the
correct explanation of A.
2)
Both A and R are correct. R is not the
correct explanation of A.
3) A
is true, but R is false 4)
A is false, but R is true
23. Choose the correct statements
A)
Adventitious roots of sweet potato and fibrous roots in Asparagus store food material
B)
The stem of banyan tree have supporting roots coming out from the lower nodes
of the stem
C)
Adventitious roots in Vanda are specialized to absorb moisture from atmosphere
D)
Haustorial roots of Viscum enter into xylem and phloem of host plant
1) A, B are
correct 2) B, C are correct 3) A, C are correct 4) A, B, C, D are correct
24. There are two plants 'A' and 'B'. Plant 'A' shows aerial stem
modification that help in vegetative propagation. Plant 'B' shows cladophylls
and underground fasciculated roots 'A' and 'B'. Plants respectively are
1) Chrysanthemum
and Asparagus 2)
Amorphophallus and Eichhornia
3) Agave
and Asparagus 4)
Nerium and Agave
25. Root,
stem and leaves - All are modified in
I)
Opuntia II) Pistia III) Eichhornia IV) Agave
1)
I,II, III, IV 2) I,II, III 3) III only 4) III, IV
26. Pillar
roots, Stilt roots and Photosynthetic
roots are respectively found in
1) Maize, Banyan
tree and Taeniophyllum 2) Maize, Banyan tree and Vanda
3) Banyan tree, Maize and Taeniophyllum 4) Taeniophyllum, Maize and Banyan tree
27. The position of root hair region is
1)
Proximal to region of elongation 2) Distal to region of
elongation
3) Proximal to region of meristematic
activity 4) Distal to region of maturation
28. Study
the following lists and identify the correct match
List
- I List
- II
A.
Runner I.
Zaminkand
B.
Corm II.
Pineapple
C.
Sucker III.
Jasmine
D.
Stolon IV.
Custard apple
V.
Strawberry
1)
A–V, B–I, C–II, D–III 2)
A–V, B–I, C–II, D–IV
3) A–I, B–V, C–II, D–IV 4) A–I, B–V,
C–II, D–III
29. Identify the
correct statements
I) In pumpkin,
stem tendrils are axillary bud modifications
II) In dioscorea, vegetative buds are modified into bulbils
II) In dioscorea, vegetative buds are modified into bulbils
III) under ground stems in strawberry spread
to new niches and form new plants when older
parts die
IV) In casuarina, succulent needle like
structures are phylloclades
1)
I and II only 2) II and III
only 3) I, III and IV only 4) I, II and III
30. Assertion
(1) : Biology
remained as a natural history for a long time
Reason
(R) : Before
experimental biology or more specifically physiology was established as a part
of biology, naturalists described only biology
1)
Both A and R are correct. R is the
correct explanation of A.
2)
Both A and R are correct. R is not the
correct explanation of A.
3)
A is true, but R is false 4)
A is false, but R is true
31. The
sub aerial stem which grows horizontally beneath the soil and then comes out
obliquely upward is
1)
Runner 2) Stolon 3) Offset 4) Sucker
32. Strawberry,
Pistia , Nerium and Chrysanthemum show the following sub aerial stem
modifications
1)
Runner, Offset, Stolon and Sucker respectively
2)
Stolon, Sucker, Runner and Offset respectively
3)
Sucker, Runner, Offset and Stolon respectively
4)
Offset, Stolon, Sucker and Runner respectively
33. Root
develops from this part of embryonal axis
1)
Plumule 2) Cotyledon 3) Epicotyl 4) Radicle
34. Which
of the following stem parasites will send its haustoria into xylem of the host
plant only to get water and minerals ?
1)
Striga 2)
Viscum 3) Rafflesia 4) Cuscuta
35. Modifications
of the following are called aerial stem modifications
I.
Aerial stems direct II.
Vegetative buds
III.
Floral buds IV. Branches
1) I, II, III
& IV 2) I, II & III 3) II, III & IV 4) I, III & IV
36. Assertion
(A) : Corm
is an aerial stem modification
Reason
(R) : Corm
contain nodes and internodes
1)
Both A and R are correct. R is the
correct explanation of A.
2)
Both A and R are correct. R is not the
correct explanation of A.
3)
A is true, but R is false 4)
A is false, but R is true
37. Arrange
the following genera in this sequence, showing aerial, sub aerial and
underground stem modifications
I.
Jasminum II.
Bougainvillea III. Curcuma
1) I, II and III 2)
I, III and II 3) II, I
and III 4) III, I and II
38. Assertion (A) : Stems of all angiospermic plants are not
aerial and roots of all angiopermic plants are not underground
Reason
(R) : Stems
of onion are underground and roots of Taeniophyllum are aerial
1)
Both A and R are correct. R is the
correct explanation of A.
2)
Both A and R are correct. R is not the
correct explanation of A.
3)
A is true, but R is false 4)
A is false, but R is true
39. Balancing
roots, offsets and swollen petioles are found in
1) Pistia 2) Eichhornia 3) Agave 4) Pisum
40. Phylloclade differs from cladode in
1) Colour 2) being aerial 3) Function 4) Number of nodes and internodes
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