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

NEET UG Botany MCQ-39

Question No:1

(A): Pinus is heterosporous
(R): Microspore and megaspore are present in them.

(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): Pinus tree is evergreen
(R): Leaves of Pinus are xerophytic in nature.

(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): Pinus lacks sieve plates.
(R): It shows presence of albuminous cells.

(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): Both Angiosperms and gymnosperms are spermatophytes
(R): Both form seeds.

(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): Double fertilisation is unique to angiosperms
(R): Triple fusion is a part of double fertilization.

(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): Angiosperm and Gymnosperms both form tripolid endosperm
(R): Angiosperm and Gymnosperms have ovary

(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

(A): Flower is an aggregation of sporophylls.
(R) ; Sporophylls are modified in angiosperms

(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): Angiosperms lack flagellate male gametes
(R); Sperms are not dependent on water for fertilization.

(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): Flower is the reprodutive shoot.
(R): All parts of flower take direct part in 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:10

(A): Angiosperms contain micro-sporophyll and megasporophyll
(R):Microsporophyll and megasporophyll forms microspore and megaspore respectively.

(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): Seed is the product of sexual reproduction in spermatophytes
(R):Gametic fusion occurs inside the ovule in spermatophytes

(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): Bryophytes bear close relationship with Pteridophytes
(R):Vascular tissues are present in both Bryophytes and Pteridophytes.

(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): Members of class Hepaticopsida are called as Hornworts
(R):Riccia, Marchantia are important hornworts

(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): Bryophytes are not aquatic
(R) : Bryophytes show heteromorphic alternation of generations in their life cycle.

(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) : Bryophytes are ecologically most important plant groups.
(R): They help in completing ecological succession on rocks.

(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): Sphagnum is the most economically important Bryophyte.
(R): Sphagnum helps in flood control, as packing material and maintains acidity.

(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): In mosses the sporophyte is semiparasite on gametophte.
(R); The sporophyte lacks chlorophyll and stomata in mosses.

(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): Some Bryophytes possess elaters in their sporophyte.
(R): Elaters have hygroscopic spiral thickenings which help in spore dispersal

(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): Conifers show monopodial growth
(R): In conifers the main axis is more elongated than than its branches due to apical dominance

(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): Gymnosperms belong to division spermato-phyta
(R): Sporophyte of gymnosperms is differentiated into root, stem and leaves.

(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.