NEET Biology Morphology of Flowering Plants MCQs Set 06

Biology Objective Questions and Answers: Morphology Of Flowering Plants

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Multiple Choice Questions

Question 1: Which of the following plant has a superior ovary?
(a) Peach
(b) Guava
(c) China rose
(d) Rose
Show Answer & Explanation

Answer: (c) China rose

Explanation:
1. Guava - Inferior ovary Peach & Rose - Perigynous China rose - Superior ovary.

Question 2: The ray florets of sunflower has
(a) Superior ovary
(b) Half inferior ovary
(c) Half superior ovary
(d) Inferior ovary
Show Answer & Explanation

Answer: (d) Inferior ovary

Explanation:
1. The ray florets of sunflower have inferior ovary.

Question 3: Mark the incorrect match
(a) Calotropis – Valvate
(b) Lady’s finger – Twisted
(c) Cassia – Valvate
(d) Gulmohur – Imbricate
Show Answer & Explanation

Answer: (c) Cassia – Valvate

Explanation:
1. Cassia shows imbricate aestivation.

Question 4: Carpels are fused in the flowers of
(a) Lotus
(b) Tomato
(c) Rose
(d) Both (1) & (3)
Show Answer & Explanation

Answer: (b) Tomato

Explanation:
1. Carpels are fused in the flowers of tomato.

Question 5: Ovary containing the false septum occurs in
(a) Primrose
(b) Dianthus
(c) Argemone
(d) Pisum sativum
Show Answer & Explanation

Answer: (c) Argemone

Explanation:
1. Ovary containing the false septum occurs in Argemone .

Question 6: In ______ placentation, the placenta forms a ridge along the ventral suture of the ovary.
(a) Axile
(b) Basal
(c) Free central
(d) Marginal
Show Answer & Explanation

Answer: (d) Marginal

Explanation:
1. In marginal placentation, the placenta forms a ridge along the ventral suture of the ovary.

Question 7: The stony hard part of the mango represents
(a) Mesocarp
(b) Epicarp
(c) Endosperm
(d) Endocarp
Show Answer & Explanation

Answer: (d) Endocarp

Explanation:
1. The stony hard part of the mango represents endocarp.

Question 8: Select the correct statement w.r.t. Mango and coconut
(a) They develop from monocarpellary superior ovaries
(b) They develop from monocarpellary inferior ovaries
(c) They have fibrous epicarp
(d) They have fleshy edible mesocarp
Show Answer & Explanation

Answer: (a) They develop from monocarpellary superior ovaries

Explanation:
1. Mango and coconut develop from monocarpellary superior ovaries.

Question 9: Which of the following parts of the embryo contains radicle and plumule?
(a) Cotyledon
(b) Seed coat
(c) Embryonal axis
(d) Endosperm
Show Answer & Explanation

Answer: (c) Embryonal axis

Explanation:
1. Embryonal axis contains radicle and plumule.

Question 10: Which of the following plant has endospermic seed?
(a) Bean
(b) Gram
(c) Pea
(d) Castor
Show Answer & Explanation

Answer: (d) Castor

Explanation:
1. Castor has endospermic seed.

Question 11: The plants belonging to the family Solanaceae is represented by the floral formula
(a) K5 C5 A5 G2
(b) K(5) C(5) A(5) G(2)
(c) K(5) C(5) A5 G(2)
(d) K5 C(5) A(5) G(2)
Show Answer & Explanation

Answer: (c) K(5) C(5) A5 G(2)

Explanation:
1. Floral formula of Solanaceae K(5) C(5) A (5) G (2).

Question 12: Which of the following plants is used to extract the blue dye?
(a) Trifolium
(b) Lupin
(c) Indigofera
(d) Cassia
Show Answer & Explanation

Answer: (c) Indigofera

Explanation:
1. Indigofera is used to extract the blue dye.

Question 13: The origin of root hairs and lateral roots is
(a) Exogenous and endogenous respectively
(b) Endogenous and exogenous respectively
(c) Both endogenously
(d) Both exogenously
Show Answer & Explanation

Answer: (a) Exogenous and endogenous respectively

Explanation:
1. The origin of root hairs and lateral roots is exogenous and endogenous respectively.

Question 14: Find odd one w.r.t radicle leaves
(a) Maize
(b) Radish
(c) Carrot
(d) Turnip
Show Answer & Explanation

Answer: (a) Maize

Explanation:
1. Radicle leaves primary root which is present in radish, carrot and turnip except maize.

Question 15: Match the following<br />Column I Column II<br />a. Cuscuta (i) Hygroscopic root<br />b. Rhizophora (ii) Stilt root<br />c. Vanda (iii) Haustorial root<br />d. Pandanus (iv) Respiratory root
(a) a(i), b(iii), c(iv), d(ii)
(b) a(iii), b(iv), c(i), d(ii)
(c) a(iii), b(i), c(iv), d(ii)
(d) a(ii), b(iv), c(i), d(iii)
Show Answer & Explanation

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

Explanation:
1. Cuscuta - Haustorial root Rhizophora - Respiratory root Vanda - Hygroscopic root Pandanus - Stilt root.

Question 16: Stem modified into green, flattened branches of unlimited growth for assimilatory function is
(a) Phyllode
(b) Phylloclade
(c) Cladode
(d) Bulbil
Show Answer & Explanation

Answer: (b) Phylloclade

Explanation:
1. Phylloclade, stem modified into green, flattened branches of unlimited growth for assimilatory function.

Question 17: Reticulate venation is the feature of dicots but some monocots also exhibit this venation, like
(a) Calophyllum
(b) Smilax
(c) Eryngium
(d) Corymbium
Show Answer & Explanation

Answer: (b) Smilax

Explanation:
1. Smilax is a monocot which exhibits reticulate venation.

Question 18: Thorns, spines and prickles work as _____ in plants.
(a) Respiratory organs
(b) Excretory organs
(c) Organs of offense
(d) Defensive organs
Show Answer & Explanation

Answer: (d) Defensive organs

Explanation:
1. Thorns, spines and prickles work as defensive organs in plants.

Question 19: Leaflet tendril and entire leaf tendril are found in respectively
(a) Cucurbita, Smilax
(b) Pisum, Lathyrus sativus
(c) Passiflora, Vitis
(d) Luffa, Pisum
Show Answer & Explanation

Answer: (b) Pisum, Lathyrus sativus

Explanation:
1. Leaflet tendril and entire leaf tendril are found in Pisum and Lathyrus sativus.

Question 20: Select an incorrect match
(a) Whorled phyllotaxy – Alstonia, Nerium
(b) Decussate phyllotaxy – Quisqualis, Psidium, Syzygium
(c) Alternate phyllotaxy – Mustard, China rose, Sunflower
(d) Opposite phyllotaxy – Zinnia, Calotropis
Show Answer & Explanation

Answer: (b) Decussate phyllotaxy – Quisqualis, Psidium, Syzygium

Explanation:
1. Decussate phyllotaxy is an opposite phyllotaxy. eg.
2. Zinnia, Calotropis etc.

Question 21: Which of the following is not the modification of leaf?
(a) Tendril in Antigonon
(b) Tendril in Clematis
(c) Tendril in Gloriosa
(d) Tendril in Nepenthes
Show Answer & Explanation

Answer: (a) Tendril in Antigonon

Explanation:
1. Tendril in Antigonon is modification of inflorescence.

Question 22: Select a correct set. Plant Organ Function
(a) Vanda Tap root Moisture absorption
(b) Jasmine Offset Photosynthesis
(c) Pineapple Sucker Propagation
(d) Nepenthes Leaf tip Photosynthesis
Show Answer & Explanation

Answer: (c) Pineapple Sucker Propagation

Explanation:
1. Pineapple has modified stem as sucker which helps its propagation in parallel to the beneath of surface of the ground.

Question 23: Inflorescence with thick, fleshy axis and large coloured bracts is
(a) Spathe
(b) Spadix
(c) Spikelet
(d) Hypanthodium
Show Answer & Explanation

Answer: (b) Spadix

Explanation:
1. Inflorescence with thick fleshy axis and large coloured bracts is spadix.

Question 24: The type of inflorescence characterized by having dimorphic flower is
(a) Catkin
(b) Umbel
(c) Corymb
(d) Capitulum
Show Answer & Explanation

Answer: (d) Capitulum

Explanation:
1. In capitulum, ray florets are zygomorphic and disc florets are actinomorphic.

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Multiple Choice Questions (MCQs) for NEET Biology Morphology Of Flowering Plants

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