NEET Biology Morphology of Flowering Plants MCQs Set 07

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Multiple Choice Questions

Question 1: A. Citrus and Ricinus have synandrous condition.<br />B. In epitepalous condition, the cohesion occurs bewteen tepal and filament of stamen.<br />C. Tetradynamous condition consists of two long and four short stamen filaments.
(a) All are incorrect
(b) Only A is incorrect
(c) Only C is incorrect
(d) Only B is incorrect
Show Answer & Explanation

Answer: (a) All are incorrect

Explanation:
1. Citrus - Polyadelphous Epiteplous - Tepals are free and filament of statement is attached to tepals.
2. Tetradynamous - 6 stamen 4 long stamen 2 short stamen.

Question 2: Match the following:<br />Column I Column II<br />a. Amphisarca (i) Aegle<br />b. Pepo (ii) Cucumis<br />c. Drupe (iii) Ananas<br />d. Sorosis (iv) Juglans
(a) a(i), b(ii), c(iv), d(iii)
(b) a(i), b(ii), c(iii), d(iv)
(c) a(iii), b(ii), c(i), d(iv)
(d) a(ii), b(i), c(iv), d(iii)
Show Answer & Explanation

Answer: (a) a(i), b(ii), c(iv), d(iii)

Explanation:
1. Amphisarca - Aegle Pepo - Cucumis Drupe - Juglans Sorosis - Ananas.

Question 3: In Coriandrum, the prolongation of thalamus beyond the carpel is called as
(a) Gynophore
(b) Gynandrophore
(c) Androphore
(d) Carpophore
Show Answer & Explanation

Answer: (d) Carpophore

Explanation:
1. Prolongation of thalamus beyond the carpel - Carpophore.

Question 4: A dry dehiscent fruit which develops from multicarpellary, syncarpous superior ovary with axile placentation, is
(a) Capsule
(b) Siliqua
(c) Achene
(d) Lomentum
Show Answer & Explanation

Answer: (a) Capsule

Explanation:
1. Capsule – Dry dehiscent fruit – Multicarpellary – Syncarpous superior ovary – Axile placentation.

Question 5: Scutellum is a
(a) Food storing haploid structure in grass embryo
(b) Remnant of cotyledon in maize
(c) Shield shaped and large cotyledon of grasses
(d) Protective covering of plumule in grasses
Show Answer & Explanation

Answer: (c) Shield shaped and large cotyledon of grasses

Explanation:
1. Scutellum – Shield shaped and large cotyledon of grasses.

Question 6: Flowers with monadelphous condition and pentacarpellary ovary are present in
(a) China rose family
(b) Pea family
(c) Potato family
(d) Yucca family
Show Answer & Explanation

Answer: (a) China rose family

Explanation:
1. Malvaceae family – Monadelphous – Pentacarpellary e.g., China rose.

Question 7: Presence of staminode is characteristic feature of
(a) Caesalpinoideae
(b) Mimosoideae
(c) Arecaceae
(d) Euphorbiaceae
Show Answer & Explanation

Answer: (a) Caesalpinoideae

Explanation:
1. Cytoplasmic male sterility gene affects staminode, sterile stamen which is a characteristic feature of caesalpiniaceae.

Question 8: Floral formula Br. P(3+3) A3+3G(3) represents the family with one of the following group of plants? +
(a) Crotolaria and Astragalus
(b) Lepidium and Iberis
(c) Allium and Asparagus
(d) Vetiveria and Cymbopogon
Show Answer & Explanation

Answer: (c) Allium and Asparagus

Explanation:
1. Br.
2. P3+3 A3+3G (3) + eg.
3. Allium & Asparagus ⇒ Liliaceae.

Question 9: Find correct match<br />Column I Column II<br />a. Sinigrin (i) Liliaceae<br />b. Carthamin (ii) Brassicaceae<br />c. Atropine (iii) Solanaceae<br />d. Aloin (iv) Asteraceae
(a) a(ii), b(iv), c(iii), d(i)
(b) a(ii), b(iv), c(i), d(iii)
(c) a(i), b(ii), c(iii), d(iv)
(d) a(i), b(ii), c(iv), d(iii)
Show Answer & Explanation

Answer: (a) a(ii), b(iv), c(iii), d(i)

Explanation:
1. Sinigrin - Brassicaceae Carthamin - Asteraceae Atropine - Solanacea Aloin - Liliaceae.

Question 10: Find out a set of common N2 fixing fodder plants
(a) Trifolium, Atropa
(b) Withania, Abrus
(c) Sesbania, Trifolium
(d) Aloe, Gloriosa
Show Answer & Explanation

Answer: (c) Sesbania, Trifolium

Explanation:
1. Sesbania, Trifolium – Nitrogen-fixing fodder plants.

Question 11: Family fabaceae is concerned with
(a) Diadelphous stamen, marginal placentation, obliquely placed ovary and vexillary corolla
(b) Diadelphous stamen, marginal placenta and large posterior petal
(c) Basal placentation, versatile stamens, spikelet inflorescence
(d) Axile placentation, non-endospermic seed, legume fruit
Show Answer & Explanation

Answer: (b) Diadelphous stamen, marginal placenta and large posterior petal

Explanation:
1. Fabaceae – Diadelphous stamen – Marginal placentation – Large posterior petal.

Question 12: Butterfly shaped corolla, monocarpellary ovary and zygomorphic flowers are found in family
(a) Caesalpinoideae
(b) Solanaceae
(c) Papilionaceae
(d) Graminae
Show Answer & Explanation

Answer: (c) Papilionaceae

Explanation:
1. Papilionaceae / Fabaceae – Butterfly shaped corolla – Monocarpellary ovary – Zygomorphic.

Question 13: Most primitive and advanced families of dicots are respectively
(a) Solanaceae and Asteraceae
(b) Leguminosae and Poaceae
(c) Ranunculaceae and Asteraceae
(d) Asteraceae and Cucurbitaceae
Show Answer & Explanation

Answer: (c) Ranunculaceae and Asteraceae

Explanation:
1. Primitive families (dicot) - Ranunculaceae Advanced dicot families - Asteraceae.

Question 14: Pneumatophores occur in
(a) Halophytes
(b) Free-floating hydrophytes
(c) Submerged hydrophytes
(d) Carnivorous plants
Show Answer & Explanation

Answer: (a) Halophytes

Explanation:
1. . Halophytes like mangrooves have pneumatophores. . Apogeotropic (–vely geotropic) roots having lenticels called pneumathodes to uptake O2.

Question 15: Sweet potato is a modified
(a) Stem
(b) Adventitious root
(c) Rhizome
(d) Tap root
Show Answer & Explanation

Answer: (b) Adventitious root

Explanation:
1. Sweet potato is a modified adventitious root for storage of food . Rhizomes are underground modified stem . Tap root is primary root directly elongated from the redicle.

Question 16: In Bougainvillea thorns are the modifications of
(a) Stipules
(b) Adventitious root
(c) Stem
(d) Leaf
Show Answer & Explanation

Answer: (c) Stem

Explanation:
1. Thorns are hard, pointed straight structures for protection.
2. These are modified stem.

Question 17: The morphological nature of the edible part of coconut is
(a) Perisperm
(b) Cotyledon
(c) Endosperm
(d) Pericarp
Show Answer & Explanation

Answer: (c) Endosperm

Explanation:
1. Coconut has double endosperm with liquid endosperm and cellular endosperm.

Question 18: Root hairs develop from the region of
(a) Maturation
(b) Elongation
(c) Root cap
(d) Meristematic activity
Show Answer & Explanation

Answer: (a) Maturation

Explanation:
1. In roots, the root hairs arise from zone of maturation.
2. This zone is differentiated zone thus bearing root hairs.

Question 19: The term 'polyadelphous' is related to
(a) Gynoecium
(b) Androecium
(c) Corolla
(d) Calyx
Show Answer & Explanation

Answer: (b) Androecium

Explanation:
1. The stamens may be united into one bundle (monoadelphous), or two bundles (diadelphous) or into more than two bundles (polyadelphous).

Question 20: Radial symmetry is found in the flowers of
(a) Brassica
(b) Trifolium
(c) Pisum
(d) Cassia
Show Answer & Explanation

Answer: (a) Brassica

Explanation:
1. Radial or actinomorphic symmetry is found in flowers like mustard, Datura, Chilli.

Question 21: Tricarpellary, syncarpous gynoecium is found in flowers of
(a) Poaceae
(b) Liliaceae
(c) Solanaceae
(d) Fabaceae
Show Answer & Explanation

Answer: (b) Liliaceae

Explanation:
1. Liliaceae represents G(3).

Question 22: Which of the following is not a stem modification?
(a) Flattened structures of Opuntia
(b) Pitcher of Nepenthes
(c) Thorns of citrus
(d) Tendrils of cucumber
Show Answer & Explanation

Answer: (b) Pitcher of Nepenthes

Explanation:
1. Pitcher of Nepenthes is modified leaf.

Question 23: The standard petal of a papilionaceous corolla is also called
(a) Corona
(b) Carina
(c) Pappus
(d) Vexillum
Show Answer & Explanation

Answer: (d) Vexillum

Explanation:
1. The standard petal of a papilionaceous corolla is also called vexillum.

Question 24: Among china rose, mustard, brinjal, potato, guava, cucumber, onion and tulip, how many plants have superior ovary?
(a) Four
(b) Five
(c) Six
(d) Three
Show Answer & Explanation

Answer: (c) Six

Explanation:
1. Superior ovary is found in plants i.e. china rose, mustard, brinjal, potato, onion and tulip.

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Morphology Of Flowering Plants Objective Questions & Solutions for NEET Biology

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