Biology Botany Online Mock Test JIPMER,NEET UG,Medical exam,AIIMS

NEET UG Botany MCQ-58

Question No:20

(A): Cladode bears inflorescence in Ruscus.
(R): Modified aerial stem or branch that performs photosynthesis is called cladode.

(A) Both ( A ) and (R) are true and (R) is the correct explanation of ( A )
(B) Both (A) and (R) are true and (R) is not the correct explanation of (A)
(C) (A) is true but (R) is false
(D) Both (A) are (R) wrong

Question No:1

(A): Hesperidium is a true fruit
(R): Hesperidium develops from multi-carpellary apocarpous gynoecium

(A) Both ( A ) and (R) are true and (R) is the correct explanation of ( A )
(B) Both (A) and (R) are true and (R) is not the correct explanation of (A)
(C) (A) is true but (R) is false
(D) Both (A) are (R) wrong

Question No:2

(A): Flower is a modified shoot
(R): It contain non essential organs called stamens and carpels in it

(A) Both ( A ) and (R) are true and (R) is the correct explanation of ( A )
(B) Both (A) and (R) are true and (R) is not the correct explanation of (A)
(C) (A) is true but (R) is false
(D) Both (A) are (R) wrong

Question No:3

(A): Sterile stamens are present in Cassia flower
(R): Stamens show porous dehiscence in Cassia

(A) Both ( A ) and (R) are true and (R) is the correct explanation of ( A )
(B) Both (A) and (R) are true and (R) is not the correct explanation of (A)
(C) (A) is true but (R) is false
(D) Both (A) are (R) wrong

Question No:4

(A): Inflorescence of Hamelia looks like a racemose inflorescence
(R): Hamelia inflorescence shows monopodial axis

(A) Both ( A ) and (R) are true and (R) is the correct explanation of ( A )
(B) Both (A) and (R) are true and (R) is not the correct explanation of (A)
(C) (A) is true but (R) is false
(D) Both (A) are (R) wrong

Question No:5

(A): Flowers of Canna indica are asymmetric

(R) : Flowers of Canna can be made into the equal halves in any vertical section

(A) Both ( A ) and (R) are true and (R) is the correct explanation of ( A )
(B) Both (A) and (R) are true and (R) is not the correct explanation of (A)
(C) (A) is true but (R) is false
(D) Both (A) are (R) wrong

Question No:6

(A): All insectivorous plants are primary producers and secondary consumers
(R): They are greenish but feed on insects for nitrogenous matters

(A) Both ( A ) and (R) are true and (R) is the correct explanation of ( A )
(B) Both (A) and (R) are true and (R) is not the correct explanation of (A)
(C) (A) is true but (R) is false
(D) Both (A) are (R) wrong

Question No:7

Catkin is also called amentum
Catkin has drooping peduncle with unisexual flowers

(A) Both ( A ) and (R) are true and (R) is the correct explanation of ( A )
(B) Both (A) and (R) are true and (R) is not the correct explanation of (A)
(C) (A) is true but (R) is false
(D) Both (A) are (R) wrong

Question No:8

(A): In definite inflorescence flowers are arranged in basipetalous manner
(R): In this, arrangement of older flowers are at base and younger flowers are at the top

(A) Both ( A ) and (R) are true and (R) is the correct explanation of ( A )
(B) Both (A) and (R) are true and (R) is not the correct explanation of (A)
(C) (A) is true but (R) is false
(D) Both (A) are (R) wrong

Question No:9

(A): Raphanus sativus produces one tuberous root every year in life time
(R): It is biennial plant having fibrous root system

(A) Both ( A ) and (R) are true and (R) is the correct explanation of ( A )
(B) Both (A) and (R) are true and (R) is not the correct explanation of (A)
(C) (A) is true but (R) is false
(D) Both (A) are (R) wrong

Question No:10

(A): The modified roots of Avicennia and Rhizophora behave as pneumatophores
(R): Avicennia and Rhizophora grow in marshy saline soils

(A) Both ( A ) and (R) are true and (R) is the correct explanation of ( A )
(B) Both (A) and (R) are true and (R) is not the correct explanation of (A)
(C) (A) is true but (R) is false
(D) Both (A) are (R) wrong

Question No:11

(A): Androecium and Gynoecium are the essential organs
(R): Androecium and Gynoecium are important for sexual reproduction

(A) Both ( A ) and (R) are true and (R) is the correct explanation of ( A )
(B) Both (A) and (R) are true and (R) is not the correct explanation of (A)
(C) (A) is true but (R) is false
(D) Both (A) are (R) wrong

Question No:12

(A): Green coloured, vegetative, lateral appendages are found at nodes of stem
(R): These appendages perform only photosynthesis

(A) Both ( A ) and (R) are true and (R) is the correct explanation of ( A )
(B) Both (A) and (R) are true and (R) is not the correct explanation of (A)
(C) (A) is true but (R) is false
(D) Both (A) are (R) wrong

Question No:13

(A) : Breathing roots are found in Jussiaea
(R): Jussiaea is a mangrove plant

(A) Both ( A ) and (R) are true and (R) is the correct explanation of ( A )
(B) Both (A) and (R) are true and (R) is not the correct explanation of (A)
(C) (A) is true but (R) is false
(D) Both (A) are (R) wrong

Question No:14

(A): In Taeniophyllum the modified roots synthesize food materials by carbon assimilation
(R): Taeniophyllum is an epiphyte

(A) Both ( A ) and (R) are true and (R) is the correct explanation of ( A )
(B) Both (A) and (R) are true and (R) is not the correct explanation of (A)
(C) (A) is true but (R) is false
(D) Both (A) are (R) wrong

Question No:15

(A): Polychasial cymes are present in Nerium
(R): In Nerium, at each node more than two leaves are present

(A) Both ( A ) and (R) are true and (R) is the correct explanation of ( A )
(B) Both (A) and (R) are true and (R) is not the correct explanation of (A)
(C) (A) is true but (R) is false
(D) Both (A) are (R) wrong

Question No:16

(A): The flowers of Canna indica are asymmetric
(R): Canna flower cannot be cut into two equal halves in any plane

(A) Both ( A ) and (R) are true and (R) is the correct explanation of ( A )
(B) Both (A) and (R) are true and (R) is not the correct explanation of (A)
(C) (A) is true but (R) is false
(D) Both (A) are (R) wrong

Question No:17

(A): The inflorescence axis of a monochasial cyme is called sympodial axis It is formed from many axillary branches All complete flowers are bisexual flowers
(R): All unisexual flowers are incomplete flowers

(A) Both ( A ) and (R) are true and (R) is the correct explanation of ( A )
(B) Both (A) and (R) are true and (R) is not the correct explanation of (A)
(C) (A) is true but (R) is false
(D) Both (A) are (R) wrong

Question No:18

(A)All complete flowers are bisexual flowers
(R)All unisexual flowers are incomplete flowers

(A) Both ( A ) and (R) are true and (R) is the correct explanation of ( A )
(B) Both (A) and (R) are true and (R) is not the correct explanation of (A)
(C) (A) is true but (R) is false
(D) Both (A) are (R) wrong

Question No:19

(A): In Acalypha all leaves receive more (or) less uniform sunlight.
(R): Acalypha exhibit special type of alternate phyllotaxy called leaf mosaic.

(A) Both ( A ) and (R) are true and (R) is the correct explanation of ( A )
(B) Both (A) and (R) are true and (R) is not the correct explanation of (A)
(C) (A) is true but (R) is false
(D) Both (A) are (R) wrong

Question No:20

(A):Corm is an aerial stem modification

(R): Corm contains nodes called eyes

(A) Both ( A ) and (R) are true and (R) is the correct explanation of ( A )
(B) Both (A) and (R) are true and (R) is not the correct explanation of (A)
(C) (A) is true but (R) is false
(D) Both (A) are (R) wrong