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Plant Kingdom · Question 58

AIPMT 2012 (Mains)MCQHard📈 Topic in 12% papers+4−1
1

Read the following five statements (A – E) and answer as asked next to them. How many of the above statements are correct?

  1. Two
  2. Three
  3. Four
  4. One

Answer

(4) One

Solution

(A) Equisetum is homosporous; its gametophyte (prothallus) is free-living, not retained on the sporophyte. ⇒ Incorrect.

(B) In Ginkgo (a gymnosperm), the male gametophyte (pollen grain) is not independent; it develops within the microsporangium and on the ovule. ⇒ Correct.

(C) As per NCERT, the sporophyte of mosses (e.g. Polytrichum) is more elaborate than that of liverworts like Riccia. ⇒ Incorrect.

(D) Sexual reproduction in Volvox is oogamous. ⇒ Incorrect.

(E) As per NCERT, the spores of slime moulds possess true walls. ⇒ Incorrect.

∴ Only one statement (B) is correct.

Answer: (4)

AIPMT 2012 (Mains)

Keep practising — Plant Kingdom

2

Which one of the following is common to multicellular fungi, filamentous algae and protonema of mosses?

  1. Diplontic life cycle
  2. Members of Kingdom Plantae
  3. Mode of Nutrition
  4. Multiplication by fragmentation
AIPMT 2012 (Prelims)
3

Which one of the following is a correct statement?

  1. Pteridophyte gametophyte has a protonemal and leafy stage.
  2. In gymnosperms, female gametophyte is free-living.
  3. Antheridiophores and archegoniophores are present in pteridophytes.
  4. Origin of seed habit can be traced in pteridophytes.
AIPMT 2012 (Prelims)
4

Cycas and Adiantum resemble each other in having

  1. seeds
  2. motile sperms
  3. cambium
  4. vessels
AIPMT 2012 (Prelims)
5

Selaginella and Salvinia are considered to represent a significant step toward evolution of seed habit because

  1. female gametophyte is free and gets dispersed like seeds.
  2. female gametophyte lacks archegonia.
  3. megaspores possess endosperm and embryo surrounded by seed coat.
  4. embryo develops in female gametophyte which is retained on parent sporophyte.
AIPMT 2011 (Mains)
6

Consider the following four statements whether they are correct or wrong. The two wrong statements together are

  1. A and C
  2. A and D
  3. B and C
  4. A and B.
AIPMT 2011 (Mains)
7

Examine the figure given below and select the correct option giving all the four parts (A, B, C and D) rightly identified. [Figure]

  1. (A) Archegoniophore (B) Female thallus (C) Gemma cup (D) Rhizoids
  2. (A) Antheridiophore (B) Male thallus (C) Globule (D) Roots
  3. (A) Archegoniophore (B) Female thallus (C) Bud (D) Foot
  4. (A) Seta (B) Sporophyte (C) Protonema (D) Rhizoids
AIPMT 2011 (Mains)
8

The gametophyte is not an independent, free-living generation in

  1. Polytrichum
  2. Adiantum
  3. Marchantia
  4. Pinus
AIPMT 2011 (Prelims)
9

Compared with the gametophytes of the bryophytes, the gametophytes of vascular plants tend to be

  1. smaller but to have larger sex organs
  2. larger but to have smaller sex organs
  3. larger and to have larger sex organs
  4. smaller and to have smaller sex organs
AIPMT 2011 (Prelims)
10

Archegoniophore is present in

  1. Marchantia
  2. Chara
  3. Adiantum
  4. Funaria
AIPMT 2011 (Prelims)
11

A prokaryotic autotrophic nitrogen fixing symbiont is found in

  1. Alnus
  2. Cycas
  3. Cicer
  4. Pisum
AIPMT 2011 (Prelims)

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