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