Home
Class 12
BIOLOGY
Which of the following structures are of...

Which of the following structures are of gametophytic origin in bryophytes? i. Calyptra ii. Apophysis is. Androcyte mother cell iv Elaters v Gemmae vi. Sporocyte

A

I ,iii, v

B

I , ii ,iv

C

iii , v , vi

D

iv , v

Text Solution

AI Generated Solution

Promotional Banner

Similar Questions

Explore conceptually related problems

Which of the following are characteristics of a sporophyte of Bryophytes ? I. Multicellular sporophyte. II. Completely or partially dependent on the gametophyte. III. Undergoes a reduction division to from spores.

Refer to the following figures regarding division bryophyta. (i). 'A' are the androcyte mother cells of the antheridium, which give rise to a large number of biflagellate male gametes. (ii). 'B' is the autheridial chamber and 'C' is multicellular stalk of antheridium. (iii). 'D' and 'E' respectively represents venter canal cells and neck canal cell of the femal sex organ. (iv). 'F' is the egg cell of the archegonium, which usually possesses severatl female gameters. Which of the following combinations of above statements is incorrect?

In which of the following elater mother cells and spore mother cells belong to same generation

Which of the following types of roots are correctly matched with their examples ? I. Apogeotropic roots : Rhizophora II. Absence of calyptra : Lemna III. Velamen containing roots : vanda IV. Moniliform roots : portulaca

Which of the following statements correctly defines growth? I. Increase in size of cells. II. Increase in the number of cells. III. Increase in the amount of apoplasmatic structures. IV. Decrease in amount of living material.

Name the tissues which perform the following functions : (i) Haemopoiesis (ii) Formation of antibodies (iii) Coagulation (iv) Locomotin (v) Transmission of message (vi) Protection against mechanical shocks (vii) Clearing dead cells.

Which of the following numbers are perfect squares? (i)484 (ii) 625 (iii) 576 (iv) 941 (v)961 (vi) 2500

Which of the following characteristics cannot be used in grouping and sub-grouping of organisms? (i) Cells are prokaryotic or eukaryotic (ii) Presence or absence of mitochondria (iii) Number of cells in an organisms (iv) Mode of nutrition (v) Level of organisation in body (vi) Organisms are nocturnal or diurnal (vii) Organisms are oviparous or viviparous