{"id":40470,"date":"2024-02-17T08:39:46","date_gmt":"2024-02-17T03:09:46","guid":{"rendered":"https:\/\/www.aplustopper.com\/?p=40470"},"modified":"2024-02-17T16:24:16","modified_gmt":"2024-02-17T10:54:16","slug":"plus-one-botany-chapter-wise-questions-answers-chapter-2","status":"publish","type":"post","link":"https:\/\/www.aplustopper.com\/plus-one-botany-chapter-wise-questions-answers-chapter-2\/","title":{"rendered":"Plus One Botany Chapter Wise Questions and Answers Chapter 2 Plant Kingdom"},"content":{"rendered":"
Question 1.
\nArtificial system of classification is mainly based on
\n(a) vegetative characters
\n(b) androecium structure
\n(c) habit and habitat
\n(d) all of these
\nAnswer:
\n(d) all of these<\/p>\n
Question 2.
\nFusion between morphologically alike gametes is referred to as
\n(a) anisogamy
\n(b) isogamy
\n(c) oogamy
\n(d) sygamy
\nAnswer:
\n(b) isogamy<\/p>\n
Question 3.
\nGametophytic generation is dominant in
\n(a) bryophytes
\n(b) pteridophytes
\n(c) angiosperms
\n(d) gymnosperms
\nAnswer:
\n(a) bryophytes<\/p>\n
Question 4.
\nMycorrhizal roots of _____ are associated with some fungal symbionts
\n(a) Cedrus
\n(b) pinus
\n(c) cycas
\n(d) lichens
\nAnswer:
\n(b) pinus<\/p>\n
Question 5.
\nHaplontic life cycle is generally occurs in
\n(a) algae
\n(b) pteridophytes
\n(c) bryophytes
\n(d) gymnosperms
\nAnswer:
\n(a) algae<\/p>\n
Question 6.
\nName the type of cell division which produce four haploid cells with new combination of characters from a diploid cell.
\nAnswer:
\nMeiosis.<\/p>\n
Question 7.
\nName the dominating pigment in red algae.
\nAnswer:
\nPhycoerythrin<\/p>\n
Question 8.
\nName the algae from which algin is prepared commercially.
\nAnswer:
\nLaminaria (brown algae)<\/p>\n
Question 9.
\nName the filamentous structure that appears in the mosses due to the germination of spores.
\nAnswer:
\nProtonema<\/p>\n
Question 10.
\nGive an example of plant group which produce seed but not fruit.
\nAnswer:
\nGymnosperms<\/p>\n
Question 11.
\nWhat is the genetic constitution of endosperm of angiosperm.
\nAnswer:
\nTriploid<\/p>\n
Question 12.
\nFill in the blanks.<\/p>\n
Answer:<\/p>\n
Question 13.
\nIf chlorophyll b is for Chlorophyceae, chlorophyll d is for _______
\nAnswer:
\nRhodophyceae<\/p>\n
Question 14.
\nPick out the correct pairs of plant groups that bearing archegonium.
\n(a) gymnosperm angiosperm
\n(b) angiosperm Bryophyta
\n(c) Bryophyta Pteridophyta
\n(d) Pteridophyta gymnosperm
\nAnswer:
\n(d) Pteridophyta gymnosperm<\/p>\n
Question. 15
\nSelect the odd one.
\n(Nitrosomonas, archaebacteria, Nitrococcus, Nitrobacteria)
\nAnswer:
\nArchaebacteria<\/p>\n
Question 16.
\nThe majority of pteridophytes are homosporous ie. they produce similar kind of spores. Give one example of a heterosporous pteridophyte.
\nAnswer:
\nSelaginella<\/p>\n
Question 17.
\nArchaebacteria, special type of bacteria, which are able to survive in extreme conditions, What is the feature helping them for this?
\nAnswer:
\nStructure of the cell wall.<\/p>\n
Question 18.
\nComplete the following:
\n1. Plasmogamy: Fusion of Protoplasms
\n……………: Fusion of nuclei
\nAnswer:
\nkaryogamy<\/p>\n
Question 19.
\nLaminarin is a stored food in Phaeophyceae, what is the stored food in Rhodophyceae?
\nAnswer:
\nFloridean starch<\/p>\n
Question 20.
\nThe essential element is present in the ring structure of chlorophyll. Which is the element?
\nAnswer:
\nMg.<\/p>\n
Question 21.
\nBy observing the relationship of the first and fill up the second.
\n1. Algae and Fungi: Lichen
\nRoots of higher plants and Fungus:………….
\nAnswer:
\nMycorrhiza<\/p>\n
Question 22.
\nObserve the relationship between the first two terms and fill up the blank.<\/p>\n
Answer:<\/p>\n
Question 23.
\nPick the odd one out from the following and justify your answer.
\nChlamydomonas, Volvox, laminaria, Chara.
\nAnswer:
\nlaminaria-brown algae<\/p>\n
Question 24.
\nChoose the correct answer.<\/p>\n
Answer:<\/p>\n
Question 25.
\nName the organisms which are not included in any of the kingdoms,
\nAnswer:
\nViruses<\/p>\n
Question 26.
\nName the plant group in which \u2018protonema\u2019 is present.
\nAnswer:
\nBryophytes<\/p>\n
Question 27.
\nObserve the relationship between the first two pairs and fill up the blanks.<\/p>\n
Answer:<\/p>\n
Question 28.
\nFusion of two gametes which are dissimilar in size is termed as
\n(a) Oogamy
\n(b) Isogamy
\n(c) Anisogamy
\n(d) Zoogamy
\nAnswer:
\n(c) Anisogamy<\/p>\n
Question 29.
\nHoldfast, stipe, and frond constitutes the plant body in case of
\n(a) Rhodophyceae
\n(b) Chlorophyceae
\n(c) Phaeophyceae
\n(d) All of the above
\nAnswer:
\n(c) Phaeophyceae<\/p>\n
Question 30.
\nFood is stored as Floridean starch in Rhodophyceae. Mannitol is the reserve food material of which group of algae?
\nAnswer:
\nBrown algae<\/p>\n
Question 31.
\nA plant shows thallus level of organization. It shows rhizoids and is haploid. It needs water to complete its life cycle because the male gametes are motile. Identify the group to which it belongs to
\nAnswer:
\nBryophytes<\/p>\n
Question 32.
\nMy body is a gametophyte and I grow under moist and shaded conditions. My group is commonly known as amphibians of the plant kingdom. Name my group.
\nAnswer:
\nBryophyta<\/p>\n
Question 33.
\nName the gametophyte that is free-living structure formed in pteridophytes.
\nAnswer:
\nProthallus<\/p>\n
Question 34.
\nThe plant body in higher plants is well differentiated and well developed. Roots are the organs used for the purpose of absorption. What is the equivalent of roots in the less developed lower plants?
\nAnswer:
\nRhizoids<\/p>\n
Question 35.
\nPlants are generally autotrophic. Can you think of certain plants that are partially heterotrophic?
\nAnswer:
\nLoranthus – Partial stem parasite<\/p>\n
Question 36.
\nChoose the correct pair.
\n(a) Spirogyra – Algae
\n(b) Sphagnum – Gymnosperm
\n(c) Selaginella – Bryophyte
\n(d) Funaria – Pteridophyte
\nAnswer:
\n(a) Spirogyra – Algae<\/p>\n
Question 1.
\nDiagrams of three bryophytes are given below.
\n<\/p>\n
Answer:
\n1. names of these bryophytes.<\/p>\n
2. Funaria<\/p>\n
Question 2.
\nObserve the relationship between the first two terms and fill up the blanks.<\/p>\n
Answer:<\/p>\n
Question 3.
\nBryophytes are \u201camphibians of the plant kingdom\u201d. Comment.
\nAnswer:
\nThe vegetative structure are well adapted to live on land but water is essential for fertilization.<\/p>\n
Question 4.
\nProthallus is the gametophytic stage of Pteridophyte What is protonema?
\nAnswer:
\nProtonema is the young stage of moss gametophyte<\/p>\n
Question 5.<\/p>\n
A<\/td>\n | B<\/td>\n<\/tr>\n | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Chlamydomonas<\/p>\n Cycas<\/p>\n Selaginella<\/p>\n Sphagnum<\/td>\n | \n Moss<\/p>\n Pteridophytes<\/p>\n Algae<\/p>\n gymnosperms<\/p>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n Answer:<\/p>\n
|