LEAF AND INFLORESCENCE MCQ ASSIGNMENT

1	Choose the correct statement Inflorescence with involucre also has involucel Inflorescence with involucel also has involucre Involucre is absent in the inflorescence of centripetally arranged flowers Involucre is formed by bracts and involucel by bracteoles Ans:Inflorescence with involucel also has involucre
2	The common features among the inflorescences of Crotalaria, Cassia, Allium is/are I. All have pedicellate flowers II. all have un-branched peduncle III. Aropetal arrangement of flowers IV. All have pedicels with similar length I and III II and IV I and II III and IV Ans: I and II
3	The total number of leaflets seen in 12 leaves of Aegle marmelose is equivalent to the leaflets of how many leaves of Marselia 10 8 9 1 Ans:9
4	Stipels are present in the leaves of Hardwickia Citrus Dolichos Ceiba Ans:Dolichos
5	Digestive glands of Nepenthes secrete digestive fluid whose pH is around 7 9 2 5 Ans:2
6	Succulent lamina and epiphyllous buds are seen in Scilla Begonia Aloe Bryophyllum Ans:Bryophyllum
7	All rachii of leaf have leaflets in Parkinsonia Acacia Moringa Delonix Ans:Moringa
8	Arrange the following plants with gradual increase in number of leaves at every node I. Calotropis II. Casuarina III. Carica IV. Nerium II, IV, III, I II, IV, I, III IV, II, I, III II, I, IV, III Ans:II, IV, I, III
9	Plant X has simple raceme inflorescence but lacks collenchyma. Plant Y has Umbel inflorescence without Involucel but has reticulate venation. X and Y are respecively Crotalaria, Daucus Althaea, Smilax Asparagus, Allium Asparagus, Smilax Ans:Asparagus, Smilax
10	[A]: Acalypha shows leaf mosaic [R]: its leaves are sessile Both A and R are true and R is the correct explanation of A Both A and R are true but R is not the correct explanation of A A is true but R is false A is false but R is true Ans:A is true but R is false
11	Leaf of Dolichos is best described as Trifoliate Tripinnate Imparipinnate Pinnately lobed Ans:Imparipinnate
12	Match the following Leaf nature Plant A)Simple leaf modified into a Spine I)Parkinsonia B)Compound leaf modified into a spine II)Asparagus C)Simple leaf with 2 spines III)Acacia Arabica D)Compound leaf with 2 spines IV)Citrus V)Zizyphus A-II, B-IV, C-V, D-I A-II, B-IV, C-V, D-III A-II, B-IV, C-III, D-V A-IV, B-V, C-II, D-III Ans:A-II, B-IV, C-V, D-III
13	Marselia is a/an Angiosperm with quadrifoliate compound leaf Seedless tracheophyte with quadrifoliate compound leaf Gymnosperm with Trifoliate compound leaf Pteridophyte with Tetralobed simple leaf Ans: Seedless tracheophyte with quadrifoliate compound leaf
14	Inflorescence of a plant stores food materials. The inflorescence is a Compound corymb Compound Umbel Panicle Simple raceme Ans:Compound corymb
15	Orhostichy refers to Number of rows of leaves on a branch Number of rachii in a compound leaf Number of leaflets in a compound leaf Number of leaves at every node Ans:Number of rows of leaves on a branch
16	The total number of leaflets seen in 12 leaves of Aegle marmelose is equivalent to the leaflets of how many leaves of Marselia 10 8 9 1 Ans:9
17	Stipels are present in the leaves of Hardwickia Citrus Dolichos Ceiba Ans:Dolichos
18	Digestive glands of Nepenthes secrete digestive fluid whose pH is around 7 9 2 5 Ans:2
19	Succulent lamina and epiphyllous buds are seen in Scilla Begonia Aloe Bryophyllum Ans:Bryophyllum
20	All rachii of leaf have leaflets in Parkinsonia Acacia Moringa Delonix Ans:Moringa
21	How many simple cymes can be formed from a dichasial cyme having 7 generations of floral braches 7 14 85 21 Ans:85
22	Flowers are always developed on only one side of the axis in Simple raceme Simple cyme Helicoid cyme Scorpioid cyme Ans:Helicoid cyme
23	The arrangement of male flowers in the inflorescence of Poinsettia resembles the arrangement of flowers of the inflorescence of Bougainvilleae Ipomoea Hamelia Heliotropium Ans:Heliotropium
24	Arrangement of flowers is Neither acropetal nor centripetal in Sphaeranthus Ficus Achyranthes Acalypha Ans:Ficus
25	Dimorphic bracts are seen in the inflorescence of Bougainvilleae Vernonia Ipomoea Hamelia Ans:Vernonia
26	Match the following Inflorescence Nature Plant A)Shows the inflorescence features I)Poinsettia of Solanum and Ipomoea B)Inflorescence with Unisexual II)Tridax pedicellate flowers C)Inflorescence with number of flowers is equal to the number of III)Hamelia leaflets of Argemone leaf D)Inflorescence with both unisexual IV)Leonotix and bisexual flowers V)Jasminum A-IV, B-I, C-V, D-III A-IV, B-III, C-II, D-I A-V, B-IV, C-I, D-II A-IV, B-I, C-V, D-II Ans:A-IV, B-I, C-V, D-II
27	Peduncle of the plants of the following family can be called as Receptacle Euphorbiaceae Lamiaceae Asteraceae Poaceae Ans:Asteraceae
28	Choose the set in which the components are morphologically same Spathe, Lodicules, Unit of Involucre Glume, Spathe, Palea Lemma, Glume, Spathe Unit of Involucre, Palea, Spathe Ans:Lemma, Glume, Spathe
29	The following inflorescence has either male or female flowers. Catkin Cyathium Hypanthodium Spadix Ans:Catkin
30	Identify the set of inflorescences that show gradual shortening of their peducle Simple Raceme, Simple Umbel, Simple Corymb Simple Umbel, Simple Raceme, Simple Corymb Simple Raceme, Simple Corymb, Simple Umbel Simple Corymb, Simple Raceme, Simple Umbel Ans:Simple Raceme, Simple Corymb, Simple Umbel
31	Inflorescence whose flowers always form simple fruits is Anthodium Amentum Spadix Spike Ans: Anthodium
32	The number of flowers having direct contact with the peduncle and its every branch of cymose inflorescence is in the ratio of 1:1 2:1 1:2 1:α Ans:1:1
33	Axillary solitary cymes are seen in I. Hibiscus II. Gloriosa III. Datura IV. Abelmoschous I and III I, II, IV III, IV Only I and II Ans:I, II, IV
34	[A]: The inflorescence of Hibiscus, though does not appear as real inflorescence it has to be called as inflorescence. [R]: The only flower of it is borne on the peduncle Both A and R are true and R is the correct explanation of A Both A and R are true but R is not the correct explanation of A A is true but R is false A is false but R is true Ans:Both A and R are true and R is the correct explanation of A
35	A given dichasial cyme has 3 generations of floral branches. In how many combinations, all the intact flowers of the inflorescence can form simple cymes. 7 15 13 31 Ans:31
36	If a dichasial cyme has 511 flowers, the number of generations of flowers present in the inflorescence is 9 8 510 171 Ans:9
37	How many inflorescences of Bougainvilleae are required to form a dichasial cyme with 7 generations of floral branches 85 5 21 341 Ans:85
38	In a cymose inflorescence the the first bract belongs to 2nd flower and 5th bract belongs to 5th generation of floral branch. The inflorescence must be Either dichasial cyme or Polychasial cyme Either monochasial cyme or dichasial cyme Either monochasia cyme or Polychasial cyme Either Helicoid cyme or Scorpioid cyme Ans:Either Helicoid cyme or Scorpioid cyme
39	Study the following table and choose the correct combination Inflorescence of Production of Flowers Growth of peduncle the Plant and its branches I)Gossypium Limited Limited II)Jasminum Limited Unlimited III)Nerium Unllmited Limited IV)Heliotropium Limited Unlimited I and II III and IV I and III II and IV Ans:I and III
40	Artabotrys has Terminal Solitary cyme Axillary solitary cyme Terminal monochasial cyme Axillary simple cyme Ans:Terminal Solitary cyme
41	[A]: In a given monochasial cyme the youngest flower is at the distal end and oldest at the proximal end of inflorescence. [R]: Among the cymose inflorescences, only in Monochasial cymes the flowers are arranged in acropetal manner Both A and R are true and R is the correct explanation of A Both A and R are true but R is not the correct explanation of A A is true but R is false A is false but R is true Ans:A is true but R is false
42	Solitary cyme is more common in the family Fabaceae Malvaceae Solanaceae Liliaceae Ans:Malvaceae