NEET Botany MCQ-31

Question No:1

The ‘stem’ and ‘leaves’ in Fun aria are not real because

(A) They are a part of gametophytic generation
(B) They lack xylem and phloem
(C) Both a and b
(D) Neither of the two

Question No:2

The juvenile stage of the gametophyte of moss is

(A) Green, filamentous and branched structure called protonema
(B) A tetra flagellate body
(C) Dorsoventrally flattened plate like body
(D) A colourless mass of tubular structures

Question No:3

The largest alga is

(A) Laminaria
(B) Macrocystis
(C) Nereocystis
(D) Saragassum

Question No:4

Tallest angispermic tree is

(A) Sequoia
(B) Mangifera
(C) Eucalyptus
(D) Shorea Robusta

Question No:5

The rhizoids in Fun aria are

(A) Green and branched thread like structures
(B) Unbranched root like outgrowths
(C) Branched and multicellular non green thread like structures
(D) Unicellular and of two types

Question No:6

Antherozoids of moss are

(A) Short, curved and biciliate
(B) Rod shaped, biciliate
(C) Short and multiciliate
(D) Long and multiciliate

Question No:7

Life cycle of Funaria is not completed without water. Choose the correct statement

(A) As fertilization takes place in the presence of water only
(B) As Funaria is hydrophyte
(C) As plant is delicate and will dry without water
(D) As branches will not develop

Question No:8

Which of the following structure indicates the algal ancestry of mosses ?

(A) The habit of growing on damp soil
(B) Presence of free and filamentous protonema
(C) Presence of rhizoids
(D) Non-vascular nature

Question No:9

Red algae are similar to blue-green algae in possession of

(A) Gas vacuoles
(B) Filamentous body
(C) Cell wall components
(D) Phycobilins

Question No:10

Heterospory is found in

(A) Funaria
(B) Dryopteris
(C) Marchantia
(D) Selaginella

Question No:11

A part of North Atlantic Ocean is covered by free floating brown alga. It is

(A) Dictyota
(B) Alaria
(C) Ectocarpus
(D) Sargassum

Question No:12

Prothallus represents the

(A) Gametophytic phase in Pteridophytes
(B) Sporophytic phase of Pteridophytes
(C) Sporophytic phase in Gymnosperms
(D) Sporophytic phase in Angiosperms

Question No:13

A living fossil is

(A) Pinus
(B) Ephedra
(C) Cedrus
(D) Cycas

Question No:14

The sperms of Selaginella reach archegonia under chemotaxis of

(A) Proteins
(B) Sugars
(C) Lactic acid
(D) Malic acid

Question No:15

In gymnosperms, the endosperm is :

(A) Haploid
(B) Diploid
(C) Triploid
(D) Polypoid

Question No:16

A gymnosperm having vessels is

(A) Cedrus
(B) Gnetum
(C) Cycas
(D) Pinus

Question No:17

The number of egg cells in the archegonium of Selaginella is

(A) Two
(B) Four
(C) One
(D) Eight to ten

Question No:18

Conical/pyramidal/excurrent habit of Pinus is due to

(A) Competition among branches
(B) Effect of auxin
(C) Efficiency of water movement
(D) Competition amongst adjacent trees

Question No:19

Male gametophyte of Selaginella is formed

(A) Outside the microspore
(B) Within the microspore
(C) Partly outside the microspore
(D) Partly within the microspore

Question No:20

Brown colouration of Phaeophyceae is due to excess

(A) Fucoxanthin
(B) Zeaxanthin
(C) Phycoerythrin
(D) Lycopene