Free Plant Kingdom (Daily Quiz: 9) NEET Biology Questions & Answers with Detailed Explanation & Full Review

Free Plant Kingdom (Daily Quiz: 9) Time:

Question-1

Which of the following are correct for gymnosperms?
  1. Have adventitious root system.
  2. The leaves in gymnosperms can withstand extreme temperature, humidity and wind.
  3. Microspores are produced in microsporangia.
  4. They include medium or tall sized trees and shrubs.

(a)

(b)

(c)

(d)


Question-2

Cell wall of green algae is made up of

(a)

(b)

(c)

(d)


Question-3

Elater mechanism for spore dispersal is exhibited by

(a)

(b)

(c)

(d)

Explanation:

Answer: (a)

Marchantia is a liverwort in which the sex organs are borne on disc shaped 8-lobed receptacles borne at the tip of vertical gametophores. Sperms are attracted to opened archegonia by proteins and K + salts. Fertilization produces a parasitic sporophyte made of foot, seta and capsule. The capsule encloses sporocytes and elaters. These elaters show twisting movements due to spiral bands of thickenings and this leads to liberation and dispersal of spores. In Riccia elaters are absent and in Funaria peristome teeth help in spore dispersal.


Question-4

Which one of the following plants is monoecious?

(a)

(b)

(c)

(d)


Question-5

Choose the right option.

plant-kingdom-class-11-Chapter-3-neet-mcq-quiz-pdf

S.NoABCD
(a)Volvox ChlamydomonasLaminariaChara
(b)Chara LaminariaVolvox Chlamydomonas
(c)LaminariaVolvox ChlamydomonasChara
(d) ChlamydomonasChara LaminariaVolvox

(a)

(b)

(c)

(d)


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