Biology : Taxonomy Part-III

11. Ginger is a stem and not root because: [66th B.P.S.C. (Pre) 2020]

(a) It stores food material
(b) It has nodes and internodes
(c) It grows horizontally in the soil
(d) It lacks chlorophyll
(e) None of the above / More than one of the above

Correct Answer: (b) It has nodes and internodes

Solution:Stems get modified into underground structures for storage of food as seen in potato (tuber), ginger (rhizome), garlic (bulb), yam (corm). Presence of an eye (node) in potato, yam, a cluster of roots at the base of the reduced stem in garlic/onion, all indicate that these underground plant parts are modified stems.

12. Match the following: [Chhattisgarh P.C.S. (Pre) 2013]

List-I	List-II
A. Rhizome	1. Garlic
B. Tuber	2. Jimikand-suran
C. Bulb	3. Ginger
D. Corm	4. Potato

Code:

Code	A	B	C	D
(a)	1	2	3	4
(b)	3	4	2	1
(c)	3	4	1	2
(d)	3	1	2	4
(e)	3	2	1	4

Correct Answer: (e)

Solution:Tubers, rhizomes, corms and bulbs actually all serve the same purpose, but in a different way. Plants that have rhizomes include ginger, turmeric, sugarcane etc. Common examples of plants with tubers include potatoes, cassava and dahlias.

Examples of bulbs include onion, garlic, tulip, amaryllis, narcissus.
Examples of corm include Jimikand, crocus, colocasia, etc.

13. Which one of the following is a modified stem? [I.A.S. (Pre) 1996]

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

Correct Answer: (d) Potato

Solution:Potato is a starchy red or brown skinned modified stem called a tuber. Tuber is storage area for nutrient reserves of plants such as starch or sugar. The scientific name of potato plant is Solanum tuberosum and it is a member of the nightshade family of plants, Solanaceae.

14. Potato is a: [M.P. P.C.S. (Pre) 2016]

(a) Root
(b) Fruit
(c) Tuber
(d) Bulb

Correct Answer: (c) Tuber

Solution:Potato is a starchy red or brown skinned modified stem called a tuber. Tuber is storage area for nutrient reserves of plants such as starch or sugar. The scientific name of potato plant is Solanum tuberosum and it is a member of the nightshade family of plants, Solanaceae.

15. Pea plant is: [39th B.P.S.C. (Pre) 1994]

(a) Herb
(b) Flower
(c) Bush
(d) None of these

Correct Answer: (a) Herb

Solution:Pea plant is a dicotyledonous herbaceous annual plant. The pea plant may adapt to a variety of growing conditions, but it prefers cool damp weather with temperature ranging from 60 to 75 degree Fahrenheit. It belongs to a large family of plants, the fabaceae or leguminosae.

16. Clove is a— [U.P. Lower Sub. (Spl.) (Pre) 2002 ,U.P. Lower Sub. (Spl.) (Pre) 2003]

(a) Buds of stem
(b) Bales of root
(c) Closed buds
(d) Seed

Correct Answer: (c) Closed buds

Solution:Cloves are the aromatic closed, dried floral buds, which is used in Ayurvedic medicines, making food and as an anodyne for dental emergencies. The botanical name of clove tree is Syzigium aromaticum (Eugenia caryophyllata) which belongs to Myrtaceae family. Cloves are native of Indonesia and used as a spice in cuisines all over the world. The clove tree grows to a height ranging from generally 8-12 metres, having large oval leaves.

17. A clove represents to which of the following: [U.P. P.C.S. (Pre) 2011]

(a) Terminal bud
(b) Accessory bud
(c) Flower bud
(d) Vegetative bud

Correct Answer: (c) Flower bud

Solution:Cloves are the aromatic closed, dried floral buds, which is used in Ayurvedic medicines, making food and as an anodyne for dental emergencies. The botanical name of clove tree is Syzigium aromaticum (Eugenia caryophyllata) which belongs to Myrtaceae family. Cloves are native of Indonesia and used as a spice in cuisines all over the world. The clove tree grows to a height ranging from generally 8-12 metres, having large oval leaves.

18. Which one of the following spices is a flower bud? [U.P.P.C.S. (Mains) 2011]

(a) Cumin
(b) Clove
(c) Pepper
(d) Turmeric

Correct Answer: (b) Clove

Solution:Cloves are the aromatic closed, dried floral buds, which is used in Ayurvedic medicines, making food and as an anodyne for dental emergencies. The botanical name of clove tree is Syzigium aromaticum (Eugenia caryophyllata) which belongs to Myrtaceae family. Cloves are native of Indonesia and used as a spice in cuisines all over the world. The clove tree grows to a height ranging from generally 8-12 metres, having large oval leaves.

19. 'Cloves' are — [U.P.P.C.S. (Pre) (Re. Exam) 2015]

(a) Nodules of stem
(b) Nodules of roots
(c) Leaves
(d) Dried flowers

Correct Answer: (d) Dried flowers

Solution:Cloves are the aromatic closed, dried floral buds, which is used in Ayurvedic medicines, making food and as an anodyne for dental emergencies. The botanical name of clove tree is Syzigium aromaticum (Eugenia caryophyllata) which belongs to Myrtaceae family. Cloves are native of Indonesia and used as a spice in cuisines all over the world. The clove tree grows to a height ranging from generally 8-12 metres, having large oval leaves.

20. Cloves are obtained from which of the following parts of the plant? [56th to 59th B.P.S.C. (Pre) 2015]

(a) Dried leaves
(b) Dried stems
(c) Dried seeds
(d) Dried flower buds

Correct Answer: (d) Dried flower buds

Solution:Cloves are the aromatic closed, dried floral buds, which is used in Ayurvedic medicines, making food and as an anodyne for dental emergencies. The botanical name of clove tree is Syzigium aromaticum (Eugenia caryophyllata) which belongs to Myrtaceae family. Cloves are native of Indonesia and used as a spice in cuisines all over the world. The clove tree grows to a height ranging from generally 8-12 metres, having large oval leaves.

Biology : Taxonomy Part-III

11. Ginger is a stem and not root because: [66th B.P.S.C. (Pre) 2020]

12. Match the following: [Chhattisgarh P.C.S. (Pre) 2013]

13. Which one of the following is a modified stem? [I.A.S. (Pre) 1996]

14. Potato is a: [M.P. P.C.S. (Pre) 2016]

15. Pea plant is: [39th B.P.S.C. (Pre) 1994]

16. Clove is a— [U.P. Lower Sub. (Spl.) (Pre) 2002 ,U.P. Lower Sub. (Spl.) (Pre) 2003]

17. A clove represents to which of the following: [U.P. P.C.S. (Pre) 2011]

18. Which one of the following spices is a flower bud? [U.P.P.C.S. (Mains) 2011]

19. 'Cloves' are — [U.P.P.C.S. (Pre) (Re. Exam) 2015]

20. Cloves are obtained from which of the following parts of the plant? [56th to 59th B.P.S.C. (Pre) 2015]

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