MCQGeeks
0 : 0 : 1
CBSE
JEE
NTSE
NEET
English
UK Quiz
Quiz
Driving Test
Practice
Games
NEET
NEET Biology MCQ
Neet Biology Morphology Of Flowering Plants Mcq
Quiz 4
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
Q.1
Which one is not characteristic feature of Asteraceae ... .. [ kerala 2008] (a) Cypsela fruit (b) Syngenesious stamens (c) Ovary bicarpellary superior (d) Placentation marginal (e) Head type inflorescence
0%
a) a, b only
0%
b) c and e only
0%
c) e only
0%
d) c and d only
Explanation
Asteraceae ovary is inferior and has only one ovule, with basal placentation. Statement (c), (d) is NOT correct Answer : (d)
Q.2
Epigynous flowers occur is ... ... [ RPMT 2011]
0%
a) Mustard
0%
b) Brinjal
0%
c) Cucumber
0%
d) China Rose
Explanation
In epigynous flowers, the margin of thalamus grows upward enclosing the ovary completely and getting fused with it, the other parts of flower arise above the ovary. Hence, the ovary is said to be inferior as in flowers of guava and cucumber, and the ray florets of sunflower. Answer : (c)
Q.3
Which of the following plants are used as green manure in crop fields and in sandy soils ... ... [ CBSE 2003]
0%
a) Crotalaria juncea and Alhagi camelorum
0%
b) Calotropis procera and Phyllanthus niruri
0%
c) Saccharum munja and Lantana camara
0%
d) Dichanthium annulatum and Azolla nilotica
Explanation
Crotalaria juncea (Sunnhemp) and Alhagi camelorum are among the plants which are used as green manures in India. These green manures help the soil through increasement of area and water holding capacity and fertility. Answer : (a)
Q.4
Embryo of Sunflower has ... ... [ BHU 2002]
0%
a) One cotyledon
0%
b) Two cotyledons
0%
c) Many cotyledons
0%
d) No cotyledon
Explanation
Sunflower (Helianthus) belongs to family asteraceae of dicotyledons. A dicot embryo has an embryonal axis and 2 cotyledons attached to it laterally. Answer : (b)
Q.5
Economically important edible part of Ipomoea batatas is ... ... [ JKCET 2002]
0%
a) Rhizome
0%
b) Stem tuber
0%
c) Underground fruit
0%
d) Underground root tuber
Explanation
Ipomoea batatas (Sweet potato) is an underground root tuber are eaten as food Answer : (d)
Q.6
Select the wrong statement ... .. [ kerala 2007]
0%
a) Persistent calyx in Solanaceae
0%
b) Flowers are hypogynous in Asteraceae
0%
c) Santonin is obtained from Artemisia
0%
d) In Poaceae, perianth is represented by lodicules
Explanation
The flowers of Asteraceae are not hypogynous. In hypogynous flowers, the perianth and stamens are attached to the receptacle below the gynoecium, the ovary is superior to these organs and the remaining floral organs arise from below the point of origin of the carpel. Option b is NOT characteristic, Hence wrong statement Answer : (b)
Q.7
Angle of divergence in tristichous phyllotaxy is ... .. [ Odisha 2011]
0%
a) 140°
0%
b) 135°
0%
c) 180°
0%
d) 120°
Explanation
Phyllotaxy is the arrangement of the leaves on the stem. Tristichous phyllotaxy is also called as 1/3 phyllotaxy. In this, the first, fourth, seventh leaf bases falls on the same plane; the second, fifth, eighth leaf bases on the same plane and third, sixth and nineth on the same plane one above the other. In this, angle of divergence is 120 Answer : (d)
Q.8
Match the column .... [kerala 2007]
a) Coleorhiza
1) Grapes
b) Food storing tissue
2) mango
c) Parthenocarpy fruit
3) Maize
d) Single seeded fruit from monocarpellary superior ovary
4) Radicle
e) Membranous seed coat
5) Endosperm
0%
a) a - 1, b - 3, c - 2, d - 5, e - 4
0%
b) a - 1, b - 5, c - 1, d - 2, e - 3
0%
c) a - 3, b - 1, c - 4, d - 2, e - 5
0%
d) a - 4, b - 2, c - 5, d - 1, e - 3
Explanation
The coleorhiza, coleorrhiza or root sheath is a layer of tissue that surrounds the root in the seed a - 1, Endosperm: It is a tissue produced inside the seeds of most flowering plants around the time of fertilization. It surrounds the embryo and provides nutrition in the form of starch, though it can also contain oils and protein. b - 5, Parthenocarpy: Development of fruit without fertilization. The fruit resembles a normally produced fruit but is seedless. Varieties of the pineapple, banana, cucumber, grape, orange, grapefruit, persimmon and breadfruit exemplify naturally occurring parthenocarpy.c - 1, Mango: Single seeded fruit developed from monocarpellary superior ovary. d - 2, Membraneous seed coat: is found in maize.e - 3 Answer : (b)
Q.9
Vexillary type of petal arrangement occurs in ... .. [ KCET 2001]
0%
a) Maize
0%
b) Cucurbita
0%
c) Mustard
0%
d) Pea/Crotalaria
Explanation
In pea flower, the aestivation in corolla is known as vexillary In peas, there are five petals. The largest one (standard) overlaps the two lateral petals (wings) which in turn overlap the two smallest anterior petals (keel). Answer : (d)
Q.10
Phylloclade is a modification of ... ... [ JIPMER 1998]
0%
a) Leaf
0%
b) Root
0%
c) Flower
0%
d) Stem
Explanation
Phylloclade is the modification of stem in plants for carrying out photosynthesis, as well as for structural support and survival. Answer : (d)
Q.11
Micropyle of seed is involved in the passage of ... ...[ Odisha 2009]
0%
a) Male gamete
0%
b) Pollen tube
0%
c) Water
0%
d) Gases
Explanation
Micropyle is a narrow pore or passage formed by the projection of the integuments through which the pollen tube enters into ovule. Seeds contain micropyle through which water enters into the seed during germination. Answer : (c)
Q.12
Saffron is ... ... [ MPPMT 2004]
0%
a) Stamens of Hibiscus
0%
b) Style and stigma of Crocus plant
0%
c) Roots of Indigofera
0%
d) Petals of Musa
Explanation
Safron is vivid crimson stigma and styles, called threads, are collected and dried for use mainly as a seasoning and colouring agent in food. Answer : (b)
Q.13
Clematis and Naravelia are dispersed by air with the help of ... ... [ BHU 2008]
0%
a) Persistent inflated calyx
0%
b) Persistent hairy styles
0%
c) Hair
0%
d) Wings
Explanation
The fruits of Clematis and Naravelia possess persistent hairy styles, which help in floating in the air. Answer : (b)
Q.14
Epiphytes depend upon other plants for ... ... [ CPMT 1990 ]
0%
a) Water only
0%
b) Water and minerals only
0%
c) Support only
0%
d) All types of nourishment
Explanation
Epiphytes differ from parasites in that they grow on other plants for physical support and do not necessarily affect the host negatively Answer : (c)
Q.15
Which one does not exhibit seed dormancy? ... ...[ CPMT 2004]
0%
a) Phaseolus
0%
b) Rhizophora
0%
c) Cassia
0%
d) Xanthium
Explanation
Rhizophora is a genus of tropical mangrove trees, Rhizophora is true vivipary, a seed germinates inside the fruit and pushes through the fruit wall before the fruit is released. Answer : (b)
Q.16
Gynoecium has many free pistils in ... [ CBSE 2012]
0%
a) Aloe
0%
b) Tomato
0%
c) Papaver
0%
d) Michelia
Explanation
Apocarpous condition arises when the number of carpels is two or more and they are free from each other. e.g., Clematis, Michelia (Magnoliaceae), Aconitum, Ranunculus (Buttercup), etc. Answer : (d)
Q.17
In Opuntia, the stem is modified into ... .. [ Orissa 2000 ]
0%
a) Cladode
0%
b) Phylloclade
0%
c) Phyllode
0%
d) Staminode
Explanation
In Opuntia the stem is modified into a flattened green structure, Phylloclade, to perform the function of leaves (i.e., photosynthesis). Answer : (b)
Q.18
Parietal placentation occurs in family ... ... [ EAMCET 1995]
0%
a) Brassicaceae
0%
b) Asteraceae
0%
c) Solanaceae
0%
d) Liliaceae
Explanation
Parietal placentation is found in Brassicaceae family ( mustard, raddish and papaya) while Axial placentation is found in plants of familySolanaceae Answer : (a)
Q.19
Fruit of family Asteraceae/Sunflower is ... ...[ CPMT 1996]
0%
a) Nut
0%
b) Carcerulus
0%
c) Cremocarp
0%
d) Cypsela
Explanation
The members of Asteraceae produce a type of fruit called an achene, which is dry and single-seeded and does not open at maturity. The apparent seeds of the sunflower, for example, are actually achenes. The hull is the achenial wall, and the actual seed coat surrounding the embryo is a thin, papery layer. Cypsela is a dry single-seeded fruit formed from a double ovary of which only one develops into a seed, as in the daisy family. Answer : (d)
Q.20
Regions of root from base to root tip are ... ... [ AMU 2001]
0%
a) Maturation zone - Cell division zone - Elongation zone
0%
b) Maturation zone - Elongation zone - Cell division zone
0%
c) Cell division zone - Elongation zone - Maturation zone
0%
d) Elongation zone - Cell division zone - Maturation zone
Explanation
Answer : (b)
Q.21
Fruit of Candytuft is ... ..[ CET Chd. 2000]
0%
a) Capsule
0%
b) Follicle
0%
c) Silicula
0%
d) Lomentum
Explanation
The fruit in candytuft is a dry dehiscent type of fruit which shows the presence of a false septum known as replum. The fruit is as long as it is wide and it is called silicula. Capsule and follicle are dry dehiscent fruits but don't have replum whereas lomentum is a schizocarpic fruit. Answer : (c)
Q.22
Cremocarp fruit is present in ... ... [ EAMCET 1996]
0%
a) Pea
0%
b) Larkspur
0%
c) Garden Nasturtium
0%
d) Coriander
Explanation
Coriander consists of dried ripe fruits of Coriandrum sativum Linn. The fruit is a cremocarp, subspherical in shape, Yellowish-brown in colour. Cremocarp a dry fruit that is a type of schizocarp formed from two one-seeded carpels. The carpels remain separate and form indehiscent mericarps that are attached to a central supporting strand (carpophore) for some time before dispersal. Answer : (d)
Q.23
Climbing roots occur in ... ... [ EAMCET 1996]
0%
a) Vanilla
0%
b) Vanda
0%
c) Pongamia
0%
d) Taeniophyllum
Explanation
In Vanilla, single tendril like root arise at each node. Answer : (a)
Q.24
When stamens are fused by their anthers and the filaments are free, the condition is called ... .. [ JIPMER 2000 ]
0%
a) Monadelphous
0%
b) Synandrous
0%
c) Syngenesious
0%
d) Epipetalous
Explanation
In monadelphous condition, the filaments are united to form a single bundle while their anthers are free. In synandrous condition, the stamens are united in their whole length. In syngenesious condition, the anthers are fused with each other but the filaments are free. In epipetalous condition, the stamens are fused with petals. Diadelphous of stamens united by their filaments so as to form two groups. polyadelphous stamens, united by the anthers into three or more groups — compare diadelphous, monadelphous. Answer : (c)
Q.25
Flower of Fabaceae is ... ... [ JIPMER 2002]
0%
a) Complete, zygomorphic, pentamerous
0%
b) Complete, actinomorphic, trimerous
0%
c) Incomplete, zygomorphic, trimerous
0%
d) Incomplete, actinomorphic, pentamerous
Explanation
Flower of Fabaceae is typically pentamerous flowers, usually with a single, unicarpellous pistil with marginal placentation, zygomorphic have petals, sepals, stamens or pistils or complete flower Answer : (a)
Q.26
Rhizomes can be differentiated from roots in ... ... [ JIPMER 1990]
0%
a) Having scale leaves with axillary buds
0%
b) Being thinner
0%
c) Being thicker
0%
d) Being darker
Explanation
Rhizomes are horizontal, usually subterranean shoots with scale leaves and adventitious roots on the underside. Answer : (a)
Q.27
Rafflesia is a ... ... [ RPMT 1995]
0%
a) Total root parasite
0%
b) Partial root parasite
0%
c) Total stem parasite
0%
d) Partial stem parasite
Explanation
Answer : (a)
Q.28
After removal of covering in Pea, the seed consists of ... .. [ MPPMT 1997]
0%
a) Cotyledons
0%
b) Embryo
0%
c) Cotyledons + Endosperm
0%
d) Cotyledons + Endosperm + Pericarp
Explanation
Answer : (a)
Q.29
Arrangement of leaves on a stem branch is ... ..[ JIPMER 1998]
0%
a) Venation
0%
b) Vernation
0%
c) Ptyxis
0%
d) Phyllotaxy
Explanation
Answer : (d)
Q.30
Stilt root are reported from ... ... [BHU 1996]
0%
a) Pandanus
0%
b) Radish
0%
c) Mango Ginger
0%
d) Bryophyllum
Explanation
Phyllotaxis or phyllotaxy is the arrangement of leaves on a plant stem Answer : (a)
Q.31
In some fruits the edible part is not the usual fruit. It is ... ..[ BHU 1998]
0%
a) Berry
0%
b) Drupe
0%
c) Sorosis
0%
d) Syconus
Explanation
Syconus is a type of composite fruit formed from a hollow fleshy inflorescence stalk inside which tiny flowers develop. Small drupes, the ‘pips’, are produced by the female flowers. An example is the fig. Answer : (d)
Q.32
Ligulate/strap-shaped corolla occurs in Sunflower in ... ... [ CPMT 1991]
0%
a) Disc florets
0%
b) Immature florets
0%
c) Ray florets
0%
d) Both ray and disc florets
Explanation
The mini flowers housed upon the structure are called florets, of which there are two types. The disc florets make up the brown mass in the centre of the sunflower, and the ray florets make up the ring of characteristic yellow petals on the outside Ligulate/strap-shaped , as in the ray florets of plants of the daisy family. Answer : (b)
Q.33
In unilocular ovary with a single ovule the placentation is ... .. [ CBSE 2010]
0%
a) Basal
0%
b) Free central
0%
c) Axile
0%
d) Marginal
Explanation
basal placentation - where one or few ovules develop at the base of a simple or compound ovary. Answer : (a)
Q.34
Epigeal germination occurs in ... ... [ MHTCET 2008]
0%
a) Pea
0%
b) Gram
0%
c) Castor
0%
d) Maize
Explanation
Epigeal germination is a botanical term indicating that the germination of a plant takes place above the ground. In seeds with epigeal germination, the cotyledons are brought above the soil due to elongation of the hypocotyl. In castor, cotton, papay, onion, flat green leaf like cotyledons can be seen in the young seedlings. Here the cotyledons, besides food storage, also perform photosynthesis till the seedling becomes independent. In some other plants like bean, the cotyledons being thick, do not become leaf-like; they shrival and fall off after their food reserves are consumed by the seedling. Answer : (c)
Q.35
Maximum growth of root occurs ... .... [ AFMC 1993]
0%
a) At the tip
0%
b) Behind the tip
0%
c) Root hair zone
0%
d) In light
Explanation
Maximum growth of root takes place in the back side portion of the root apex. Apex portion is made up of root cap and then follows the region of cell division where meristematic tissues are present. Answer : (b)
Q.36
Which is not a feature of fabaceae ... .. [ kerala 2007]
0%
a) Corolla 5, polypetalous, anterior large and outermost
0%
b) Descending imbricate., 10 stamens, diadelphous, ovary superior
0%
c) Sepals 5, gamosepalous, imbricate aestivation, placentation marginal
0%
d) Monocarpellary, ovary superior, style long, slightly bent at the apex
Explanation
Characteristic of Fabaceae , the flowers are zygomorphic (radial symmetry), bisexual. The stamens are 10, diadelphous (stamens united by their filaments so as to form two groups). The gynoecium is monocarpellary, syncarpous, superior ovary. Answer : (a)
Q.37
Pick up the leaf modification ... .. [ kerala 2003]
0%
a) Cladode
0%
b) Phyllode
0%
c) Corm
0%
d) Phylloclade
Explanation
Phyllode a winged leaf stalk which functions as a leaf. Phyllodes are modified petioles or leaf stems, which are leaf-like in appearance and function. Cladode a flattened leaflike stem. Corm a rounded underground storage organ present in plants such as crocuses, gladioli, and cyclamens, consisting of a swollen stem base covered with scale leaves. Phylloclade a flattened branch or stem-joint resembling and functioning as a leaf. Answer : (b)
Q.38
Oil reserve of Groundnut is present in ... .. [ AIIMS 1992]
0%
a) Embryo
0%
b) Cotyledons
0%
c) Endosperm
0%
d) Underground tubes
Explanation
Cotyledons are the leaves of embryo, usually store food for the use of embryo during development. Groundnut, a dicot stores food in the food of oil reserve in the cotyledons. Answer : (d)
Q.39
Leaf apex is modified into tendril in ... .. [ CPMT 1996]
0%
a) Smilax
0%
b) Gloriosa
0%
c) Australian Acacia
0%
d) Pisum
Explanation
In weak- stemmed plants, leaf or a part of leaf gets modified into green threadlike structures called tendrils which help in climbing around the support. For eg in Gloriosa or Glory lily, leaf tip is modified into tendril. Answer : (b)
Q.40
What is the arrangement of root zones starting from root tip .. ... [ CBSE 2004]
0%
a) Root cap, cell division, cell enlargement and cell maturation
0%
b) Root cap, cell division, cell maturation and cell enlargement
0%
c) Cell division, cell maturation, cell enlargement and root cap
0%
d) Cell division, cell enlargement, cell maturation and root cap
Explanation
The root tip has three main zones: a zone of cell division (cells are actively dividing), a zone of elongation (cells increase in length), and a zone of maturation (cells differentiate to form different kinds of cells). Answer : (d)
Q.41
Anthers represent ... ..[ BHU 2001]
0%
a) Male gametophytes
0%
b) Male sporophylls
0%
c) Spermatogonium
0%
d) Female gametophytes
Explanation
Anthers the part of a stamen that contains the pollen. The male sporophylls (microsporophylls), located just inside the petals, are the stamens. Each stamen consists of a thin, stalklike filament and the boxlike anther. Inside the anther, special diploid cells known as microspore mother cells are dividing via meiosis to give rise to microspores. Answer : (b)
Q.42
Identify the characters of plant where 8-nucleate embryo sac was first studied by Strasburger ... .. [ EAMCET 2008] a) Micropyle, chalaza and funiculus in same vertical line b) Both unisexual and bisexual flower on same plant c) Filiform apparatus conducts food from endosperm to egg apparatus d) Long funiculus coils like watch spring around the ovule
0%
a) a, b and c
0%
b) a and b
0%
c) b and c
0%
d) c and d
Explanation
Answer : (b)
Q.43
Inflorescence is meant for ... ..[ DPMT 1996]
0%
a) Bearing of flowers
0%
b) Protection of delicate floral parts
0%
c) Ensuring cross pollination
0%
d) Proper dispersal of seeds
Explanation
An inflorescence is a group or cluster of flowers arranged on a stem that is composed of a main branch or a complicated arrangement of branches. Morphologically, it is the modified part of the shoot of seed plants where flowers are formed. inflorescence functions include attracting pollinators and protecting young flowers. During they provide nutrients to the developing flowers and fruits. Answer : (c)
Q.44
Cup-like structure developed from adnation of sepals, petals and stamens is ... ..[ AMU 2011]
0%
a) Cyathium
0%
b) Hypanthodium
0%
c) Hypanthium
0%
d) Capitulum
Explanation
Hypanthium a cuplike or tubular enlargement of the receptacle of a flower, loosely surrounding the gynoecium or united with it. Answer : (c)
Q.45
Scientific name of Banana is ... ..[ AFMC 2010]
0%
a) Musa paradisiaca
0%
b) Musa superba
0%
c) Musa textilis
0%
d) Hibiscus mutabilis
Explanation
common name for Musa paradisiaca is Banana Answer : (a)
Q.46
Nodulated roots occur in ... .. [ RPMT 1995]
0%
a) Bryophytes
0%
b) Solanaceae
0%
c) Malvaceae
0%
d) Papilionate
Explanation
Nodulated roots are bead-like structures on the roots and found in plants that are associated with Rhizobium the symbiotic nitrogen fixing bacteria. Mostly found among the legume family- Fabaceae or Leguminosae. Papilionate belongs to family- Fabaceae or Leguminosae. Answer : (d)
Q.47
Censer mechanism of seed dispersal is found in ... .. [ BHU 2007]
0%
a) Papaveraceae
0%
b) Liliaceae
0%
c) Leguminosae
0%
d) Rosaceae
Explanation
The capsules of many plants open in such a way that the seeds can escape only when the capsules are violently shaken as by a strong wind. This has a tendency to scatter the seeds. This can be traced in members of family papaveraceae (poppy) Aristolochia and Aconitum Answer : (a)
Q.48
Gynobasic style is found in .. ... [ Har PMT 2007]
0%
a) Labiatae/Lamiaceae
0%
b) Liliaceae
0%
c) Gramineae/Poaceae
0%
d) Compositae/Asteraceae
Explanation
Gynobasic Referring to a style arising from the base of the ovary. Gynobasic styles are of two types: 1) the style is inserted laterally at the base of a syncarpous ovary as in Chrysobalanaceae and Rhabdodendraceae 2) the style arises from the center of an apocarpous ovary as in many species of Lamiaceae. Answer : (a)
Q.49
Petals of a flower are arranged in such a way that each overlaps a petal on one side and is overlapped by other petal on the other side. The aestivation is ... ..[ RPMT 2002]
0%
a) Valvate
0%
b) Quincuncial
0%
c) Imbricate
0%
d) Twisted
Explanation
Answer : (d)
Q.50
In Maize, the flowers are ... .. [ CPMT 1994]
0%
a) Absent
0%
b) Unisexual but not different plants
0%
c) Bisexual
0%
d) Unisexual but on the same plant
Explanation
Unisexual flowers may occur on the same plant at different places.These are called monoecious plants. Example: maize, cucumber. Answer : (d)
0 h : 0 m : 1 s
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
Report Question
×
What's an issue?
Question is wrong
Answer is wrong
Other Reason
Want to elaborate a bit more? (optional)
Support mcqgeeks.com by disabling your adblocker.
×
Please disable the adBlock and continue.
Thank you.
Reload page