Biology Botany MCQ NEET UG,JIPMER,AIIMS,Medical Entrance

NEET UG Botany MCQ-36

Question No:1

Funaria differs from Marchantia in having:

(A) Gametophyte
(B) Ventral canal cell
(C) Foot
(D) Protonema

Question No:2

Pteridophytes are often called

(A) Amphibians of plant kingdom
(B) Botanical snakes
(C) Archegoniate atrachaeophytes
(D) Lower spermatophytes

Question No:3

Smallest aquatic fern is:

(A) Pteridium
(B) Azolla
(C) Marsailea
(D) Salvinia

Question No:4

The leptosporangiate sporangia dehisce through

(A) Peristome
(B) Annulus
(C) Stomium
(D) Operculum

Question No:5

Rhizophore of Selaginella is often considered as :

(A) Stem
(B) Root
(C) Organ – sui – generis
(D) None of these

Question No:6

Antherozoids are attracted towards the neck of archegonia in ferns by :

(A) By potassium salts
(B) Malic acid
(C) Albumen or proteins
(D) Sugars

Question No:7

Which pteridophyte has been proved to be a good biofertiliser for paddy?

(A) Azolla
(B) Marsilea
(C) Pteris
(D) Adiantum

Question No:8

Dioecious prothalli are produced in :

(A) Lycopodium
(B) Selaginella
(C) Pteridium
(D) Pteris

Question No:9

The term ‘Walking fern’ for Adiantum is because of

(A) Its changing taxonomic status
(B) Its spores provided with elaters for dispersal
(C) Its leaves can produce roots and plantlets
(D) Its gametophyte can walk on dripping rocks

Question No:10

Ovules with pollen chamber, integument single and ovule with archegonia are found in :

(A) Cycas, Pinus
(B) Ephedra, Gnetum
(C) Araucaria, Thuja
(D) All of these

Question No:11

The male gametophyte at maturity in Cycas is

(A) 5-celled
(B) 6-celled
(C) 7-celled
(D) 8-celled

Question No:12

Siphonogamy occurs in

(A) Pteridophytes
(B) Gymnosperms only
(C) Gymnosperms and angiosperms
(D) Angiosperms only

Question No:13

Winged pollens (pollens with two saci) are produced in

(A) Cycas and Pinus
(B) Pinus and Ephedra
(C) Ephedra and Cycas
(D) Only Pinus

Question No:14

In gymnosperms, the endosperm is always haploid due to its

(A) Single fertilization
(B) Formation from nucellus
(C) Formation from female gametophyte
(D) Development from polar

Question No:15

Which is not found in gymnosperms?

(A) Herbs
(B) Shrubs
(C) Trees
(D) Lianas

Question No:16

The development of female gametophyte in Cycas or Pinus is

(A) Monosporic type
(B) Bisporic type
(C) Tetrasporic type
(D) None of these

Question No:17

Nonmotile male gametes are found in :

(A) Pinus, Ephedra
(B) Dicots, monocots
(C) Red algae
(D) All of these

Question No:18

Xylem with vessels is found in which gymnosperms ?

(A) Cycas and Pinus
(B) Ephedra and Gnetum
(C) Araucaria and Taxus
(D) Thuja and Pinus

Question No:19

Ciliated male gametes and circinately coiled young leaves are found in

(A) Ferns
(B) Marsilea
(C) Cycas
(D) All of these

Question No:20

Water is not required for the act of fertilization in

(A) Bryophytes
(B) Pteridophytes
(C) Gymnosperms
(D) All of these