Kingdom Monera Kingdom Protista - Questions & Answers | Exam2Win

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156. In diatoms the nucleus generally lies in

A. Epivalve

B. Hypovalve

C. Central vacuole

D. Peripheral cytoplasm

Explanation:

157. The fixation of free nitrogen by bacteria in the soil is done by

A. Azotobacter

B. Nitrosomonas

C. Nitrobacter

D. Thiobacillus

Explanation:

158. Mesokaryon occurs in

A. Zooflagellates

B. Euglenoids

C. Sarcodines

D. Dinoflagellates

Explanation:

159. Hypotheca of parent diatom forms in daughter

A. Hypotheca

B. Epitheca

C. Is shed

D. Forms the whole frustule

Explanation:

160. Astaxanthin found in Euglenoid eye spots also occurs elsewhere in

A. Annelida

B. Cephalopoda

C. Crustacea

D. Insecta

Explanation: