2141. The special proteins responsible for diffusion, osmosis and active transport of ionic material is:
A. Integral proteins
B. Permeases
C. Extrinsic Protein
D. Both A and B *
2142. The streaming movement of cytoplasm is called :
A. Cyclosis *
B. Necrosis
C. Sclerosis
D. Chlorosis
2143. Which acts as a site of certain metabolic pathways such as glycolysis:
A. Mitochondria
B. Cytoplasm *
C. Ribosomes
D. Chloroplast
2144. Which one is involved in protein synthesis ?
A. Rough endoplasmic reticulum *
B. Smooth endoplasmic reticulum
C. Lysosomes
D. Peroxisomes
2145. Which is involved in lipid synthesis ?
A. RER
B. SER *
C. Lysosomes
D. Peroxisomes
2146. Ribosomes were first studied by :
A. Robert Hooke
B. Robert Brown *
C. Palade
D. Antony Van Leeuwenhoek
2147. Eukaryotic ribosome are composed of almost equal amount of RNA and :
A. DNA
B. Lipids
C. Carbohydrates *
D. Proteins
2148. The two Ribosomal subunits on attachment with each other require :
A. K+ Ion
B. Ca++ Ion
C. Mg++ Ion *
D. Fe++ Ion
2149. Which one of the following in the leaf glands of some insectivorous Plants secrete sticky slims and enzymes Which trap and digest the insects :
A. Golgi apparatus *
B. Lysosomes
C. Glyoximes
D. Endoplasmic reticulum
2150. The following is involved in autophagy :
A. Peroxisomes
B. Ribosomes
C. Lysosomes *
D. Glyoximes