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Plant Kingdom · Question 64

AIPMT 2011 (Mains)MCQMedium📈 Topic in 25% papers+4−1
1

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

Answer

(1) (A) Archegoniophore (B) Female thallus (C) Gemma cup (D) Rhizoids

Solution

The figure shows the female thallus of the liverwort Marchantia.

A – the stalked structure bearing finger-like rays at its tip is the archegoniophore (it bears archegonia).

B – the flat, dorsiventral, lobed plant body is the female thallus.

C – the small cup-like structure on the thallus is the gemma cup; as per NCERT, gemmae develop in small receptacles called gemma cups and help in asexual reproduction.

D – the unicellular hair-like structures on the lower surface are rhizoids (bryophytes have no true roots).

Answer: (1)

AIPMT 2011 (Mains)

Keep practising — Plant Kingdom

2

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

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

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)
4

Archegoniophore is present in

  1. Marchantia
  2. Chara
  3. Adiantum
  4. Funaria
AIPMT 2011 (Prelims)
5

A prokaryotic autotrophic nitrogen fixing symbiont is found in

  1. Alnus
  2. Cycas
  3. Cicer
  4. Pisum
AIPMT 2011 (Prelims)
6

Examine the figures A, B, C and D. In which one of the four options all the items A, B, C and D are correct? [Figure]

  1. (A) Funaria, (B) Adiantum, (C) Salvinia, (D) Riccia
  2. (A) Equisetum, (B) Ginkgo, (C) Selaginella, (D) Lycopodium
  3. (A) Chara, (B) Marchantia, (C) Fucus, (D) Pinus
  4. (A) Selaginella, (B) Equisetum, (C) Salvinia, (D) Ginkgo
AIPMT 2010 (Mains)
7

Examine the figures (A–D) given below and select the right option, in which all the four structures A, B, C and D are identified correctly. [Figure]

  1. A Offset, B Antheridiophore, C Antipodals, D Oogonium
  2. A Rhizome, B Sporangiophore, C Polar cell, D Globule
  3. A Sucker, B Seta, C Megaspore mother cell, D Gemma cup
  4. A Runner, B Archegoniophore, C Synergid, D Antheridium
AIPMT 2010 (Mains)
8

Male and female gametophytes are independent and free-living in

  1. mustard
  2. castor
  3. Pinus
  4. Sphagnum
AIPMT 2010 (Prelims)
9

Phylogenetic system of classification is based on

  1. morphological features
  2. chemical constituents
  3. floral characters
  4. evolutionary relationships
AIPMT 2009
10

Which one of the following is a vascular cryptogam?

  1. Ginkgo
  2. Marchantia
  3. Cedrus
  4. Equisetum
AIPMT 2009
11

Mannitol is the stored food in

  1. Porphyra
  2. Fucus
  3. Gracilaria
  4. Chara
AIPMT 2009

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