Lactic acid is produced by Rhizopus species
R. oryzae
R. stolonifer
R. nodosus
R. sexualis
C.
R. nodosus
Rhizopus species causing fermentation are :
(i) R. oryzae - Alcoholic fermentation
(ii) R. nodosus - Lactic acid fermentation
(iii) R. stolonifer (R. nigricans) - Fumaric acid fermentation.
From evolutionary point of view, retention of the female gametophyte with developing young embryo on the parent sporophyte for some time, is first observed in
Mosses
Pteridophytes
Gymnosperms
Liverworts
Consider following features
(a) Organ system level of organisation
(b) Bilateral symmetry
(c) True coelomates with segmentation of body
Select the correct option of animal groups which possess all the above characteristics
Annelida, Arthropoda and Mollusca
Arthropoda, Mollusca and Chordata
Annelida, Mollusca and Chordata
Annelida, Arthropoda and Chordata
Match the following organisms with their respective characteristics :
| A. Pila | i. Flame cells |
| B. Bombyx | ii. Comb plates |
| C. Pleurobrachia | iii. Radula |
| D. Taenia | iv. Malpighian tubules |
Select the correct option from the following:
A - iii; B - iv; C - ii; D - i
A - ii; B - iv; C - iii; D - i
A - iii; B - ii; C - iv; D - i
A - iii; B - ii; C - i; D - iv
Read the following statements and choose the correct option
(i) Aves are homoiothermous.
(ii) Pinnae are present in mammals.
(iii) Operculum is present in Chondrichthyes.
(iv) Skin of amphibians are dry and horny.
(v) Open type of circulation is found in cyclostomes.
(i) and (ii) only are wrong
(ii), (iii) and (iv) only are wrong
(i), (ii) and (iv) only are wrong
(iii), (iv) and (v) only are wrong
(iii), (iv) and (v) only are wrong
