NEET BIOLOGY

BIOLOGICAL CLASSIFICATION

KINGDOM PLANTAE

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Which of the following statements are TRUE about Dryopteris sp.?I. Vascular plantII. Prothallus is the gametophyte generationIII. Sporophyte generation has underground stem, called rhizomeIV. Gametophyte generation lacks cuticle
A
I, II and III
B
I, II and IV
C
II, III and IV
D
I, II, III and IV
Explanation: 

Detailed explanation-1: -Hence, the correct answer is option B, protonema of moss and prothallus of Dryopteris are gametophytic.

Detailed explanation-2: -Solution : Sporophyte and gametophyte are independent in fern Dryopteris/pterodophytes.

Detailed explanation-3: -The prothallus of Dryopteris is monoecious and bears both the sex organs on the ventral side. When starved, prothallus develops only antheridia (Fig. 8.5).

Detailed explanation-4: -So, the correct answer is ‘spore formation’.

There is 1 question to complete.