NCERT CLASS 11 | TOPIC : PLANT MORPHOLOGY | PYQB (NEW) | NEET BIOLOGY ONLINE TEST

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NCERT CLASS 11 | TOPIC : PLANT MORPHOLOGY | PYQB (NEW) | NEET BIOLOGY ONLINE TEST

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It contains 48 important questions. Choose the most correct answer. Then check your answer. Try again if there are errors. Regards : kalvisolai.net

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1 ➤ 1. Diadelphous stamens are found in [NEET 2021]

(a) China rose and citrus. (b) China rose. (c) Citrus. (d) Pea.

2 ➤ 2. Match Column-I with Column-II [NEET 2021]

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(a) (A)-(iv) (B)-(ii) (C)-(i) (D)-(iii) (b) (A)-(iii) (B)-(iv) (C)-(ii) (D)-(i) (c) (A)-(i) (B)-(ii) (C)-(iii) (D)-(iv) (d) (A)-(ii) (B)-(iii) (C)-(iv) (D)-(i)

3 ➤ 3. The roots that originate from the base of the stem are [NEET (Phase-I) 2020]

(a) primary roots. (b) prop roots. (c) lateral roots. (d) fibrous roots.

4 ➤ 4. In some plants, thalamus contributes to fruit formation. Such fruits are termed as [NEET (Phase-II) 2020]

(a) false fruits. (b) aggregate fruits. (c) true fruits. (d) parthenocarpic fruit.

5 ➤ 5. Placentation, in which ovules develop on the inner wall of the ovary or in peripheral part, is [NEET 2019]

(a) axile. (b) parietal. (c) free central. (d) basal.

6 ➤ 6. Pneumatophores occur in: [NEET 2018]

(a) Carnivorous plants (b) Free-floating hydrophytes (c) Halophytes (d) Submerged hydrophytes

7 ➤ 7. Sweet potato is a modified: [NEET 2018]

(a) Stem (b) Rhizome (c) Tap root (d) Adventitious root

8 ➤ 8. In Bougainvillea thorns are the modification of: [NEET 2017]

(a) Stipules (b) Adventitious root (c) Stem (d) Leaf

9 ➤ 9. Which of the following is not stem modification: [NEET 2016]

(a) Flattened structures of Opuntia (b) Pitcher of Nepenthes (c) Thorns of Citrus (d) Tendrils of cucumber

10 ➤ 10. Stems modified into flat green organs performing the functions of leaves are known as: [NEET 2016]

(a) Scales (b) Cladodes (c) Phyllodes (d) Phylloclades

11 ➤ 11. Leaves become modified into spines in: [AIPMT 2015]

(a) Silk cotton (b) Opuntia (c) Pea (d) Onion

12 ➤ 12. Leaf tendrils are found in: [AIPMT 2015]

(a) Pea (b) Cucumber (c) Grape vine (d) All of the above

13 ➤ 13. An example of edible underground stem is: [NEET 2014]

(a) Carrot (b) Groundnut (c) Sweet potato (d) Potato

14 ➤ 14. Phyllode is present in: [AIPMT (Prelims) 2012]

(a) Australian Acacia (b) Opuntia (c) Asparagus (d) Euphorbia

15 ➤ 15. Vegetative propagation in Pistia occurs by: [AIPMT (Mains) 2010]

(a) Stolon (b) Offset (c) Runner (d) Sucker

16 ➤ 1. Ray florets have [NEET (Phase-I) 2020]

(a) superior ovary. (b) hypogynous ovary. (c) half inferior ovary. (d) inferior ovary.

17 ➤ 2. The ovary is half inferior in [NEET (Phase-I) 2020]

(a) mustard. (b) sunflower. (c) plum. (d) brinjal.

18 ➤ 3. Which of the following is the correct floral formula of Liliaceae? [NEET (Phase-II) 2020]

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A) B) C) D)

19 ➤ 4. Correct position of floral parts over thalamus in mustard plant is [NEET (Phase-II) 2020]

(a) gynoecium occupies the highest position, while the other parts are situated below it. (b) margin of the thalamus grows upward, enclosing the ovary completely, and other parts arise below the ovary. (c) gynoecium is present in the centre and other parts cover it partially. (d) gynoecium is situated in the centre, and other parts of the flower are located at the rim of the thalamus, at the same level.

20 ➤ 5. Radial symmetry is found in the flowers of: [NEET (Phase-II) 2016]

(a) Cassia (b) Brassica (c) Trifolium (d) Pisum

21 ➤ 6. The term polyadelphous is related to: [NEET (Phase-II) 2016]

(a) Calyx (b) Gynoecium (c) Androeciu( d) Corolla

22 ➤ 7. How many plants among Indigofera, Sesbania, Salvia, Allium, Aloe, mustard, groundnut, radish, gram and turnip have stamens with different lengths in their flowers? [NEET (Phase-II) 2016]

(a) Three (b) Four (c) Five (d) Six

23 ➤ 8. Free-central placentation is found in: [NEET (Phase-II) 2016]

(a) Dianthus (b) Argemone (c) Brassica (d) Citrus

24 ➤ 9. Flowers are unisexual in: [Re-AIPMT 2015]

(a) Onion (b) Pea (c) Cucumber (d) China rose

25 ➤ 10. Keel is the characteristic feature of flower of: [AIPMT 2015]

(a) Tomato (b) Tulip (c) Indigofera (d) Aloe

26 ➤ 11. Perigynous flowers are found in: [AIPMT 2015]

(a) Rose (b) Guava (c) Cucumber (d) China rose

27 ➤ 12. Among China rose, Mustard, Brinjal, Potato, Guava, Cucurbita, Onion and Tulip, how many plants have superior ovary? [AIPMT 2015]

(a) Five (b) Six (c) Three (d) Four

28 ➤ 13. When the margins of sepals or petals overlap one another without any particular direction the condition is termed as: [AIPMT 2014]

(a) Imbricate (b) Twisted (c) Valvate (d) Vexillary

29 ➤ 14. Among bitter gourd, mustard, brinjal, pumpkin, china rose, lupin, cucumber, sunhemp, gram, guava, bean, chilli, plum, petunia, tomato, rose, withania, potato, onion, aloe and tulip how many plants have hypogynous flower? [NEET 2013]

(a) Ten (b) Fifteen (c) Eigtheen (d) Six

30 ➤ 15. Placentation in tomato and lemon is: [AIPMT (Prelims) 2012]

(a) Marginal (b) Axile (c) Parietal (d) Free-central

31 ➤ 16. Cymose inflorescene is present in: [AIPMT (Mains) 2012]

(a) Trifolium (b) Brassica (c) Solanum (d) Sesbania

32 ➤ 17. How many plants in the list given below have marginal placentation? [AIPMT (Mains) 2012]

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Mustard, Gram, Tulip, Asparagus, Arhar, Tobacco Sunhemp, Chilli, Colchicine, Onion, Moong, Pea, Lupin.

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(a) Four (b) Five c) Six (d) Three

33 ➤ 18. The ovary is half inferior in flowers of: [AIPMT (Prelims) 2011]

(a) Guava (b) Peach (c) Cucumber (d) Cotton

34 ➤ 19. The technical term used for the androecium in a flower of China rose (Hibiscus rosa-sinensis) is: [AIPMT (Prelims) 2010]

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(a) Polyadelphous (b) Monadelphous (c) Diadelphous (d) Polyandrous

35 ➤ 20. In unilocular ovary with a single ovule the placentation is: [AIPMT (Prelims) 2010]

(a) Axile (b) Marginal (c) Basal (d) Free central

36 ➤ 21. Ovary is half-inferior in the flowers of: [AIPMT (Prelims) 2010]

(a) Cucumber (b) Guava (c) Plum (d) Brinjal

37 ➤ 22. What type of placentation is seen in sweet pea? [AIPMT 2006]

(a) Basal (b) Axile (c) Free-central (d) Marginal

38 ➤ 1. Identify the correct features of Mango and coconut fruits. [NEET (Phase-II) 2020]

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(i) In both fruit is a drupe

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(ii) Endocarp is edible in both

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(iii) Mesocarp in coconut is fibrous, and in mango it is fleshy

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(iv) In both, fruit develops from monocarpellary ovary Select the correct option from below:

(a) (i), (iii) and (iv) only (b) (i), (ii) and (iii) only (c) (i) and (iv) only (d) (i) and (ii) only

39 ➤ 2. Plants which produce characteristic pneumatophores and show vivipary belong to: [NEET 2017]

(a) Mesophytes (b) Halophytes (c) Psammophytes (d) Hydrophytes

40 ➤ 3. Coconut fruit is a: [NEET 2017]

(a) Drupe (b) Berry (c) Nut (d) Capsule

41 ➤ 4. Cotyledon of maize grain is called: [NEET 2016]

(a) Scutellum (b) Plumule (c) Coleorhiza (d) Coleoptile

42 ➤ 5. The standard petal of a papilionaceous corolla is also called: [NEET (Phase-I) 2016]

(a) Corona (b) Carina (c) Pappus (d) Vexillum

43 ➤ 6. is the floral formula of: [AIPMT 2015]

(a) Brassica (b) Allium (c) Sesbania (d) Petunia

44 ➤ 7. Non-albuminous seed is produced in: [AIPMT 2014]

(a) Maize (b) Castor (c) Wheat (d) Pea

45 ➤ 8. An aggregate fruit is the one which develops from: [AIPMT 2014]

(a) Multicarpellary, apocarpous gynoecium (b) Complete inflorescence (c) Multicarpellary, superior ovary (d) Multicarpellary, syncarpous gynoecium

46 ➤ 9. Seed coat is not thin, membranous in: [NEET 2013]

(a) Coconut (b) Groundnut (c) Gram (d) Maize

47 ➤ 10. In china rose the flower are: [NEET 2013]

(a) Actinomorphic, epigynous with valvate aestivation (b) Zygomorphic, hypogynous with imbricate aestivation (c) Zygomorphic, epigynous with twisted aestivation (d) Actionomorphic, hypogynous with twisted aestivation

48 ➤ 11. Which one of the flowing statements is correct? [AIPMT (Prelims) 2011]

(a) Flower of tulip is a modified shoot (b) In tomato, fruit is a capsule (c) Seeds of orchids have oil-rich endosperm (d) Placentation in Primrose is basal

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