There are mainly _____types of tRNA?

1. 1. 170
   2. 25
   3. 15
   4. 20

The chloroplasts of diatoms and chrysophycean algae do not possess_____.

1. 1. Defined grana and stroma
   2. Chloryphyllpigments
   3. Enzymes for photolysis
   4. Carotenes with chlorophylls

ATP is a an important molecule for its major function_____.

1. 1. As a coenzyme
   2. As an energy currency of the cell
   3. Both a and b
   4. None of these

Pulling upward of water and dissolved minerals towards the leaves through the xylem tissue is called_____.

1. 1. Root pressure
   2. Ascent of sap.
   3. Transpiration pull
   4. None of them

_____is a mammal who fly?

1. 1. Bat
   2. Ostrich
   3. Peacock
   4. All of these

In golgi apparatus the maturing face is_____.

1. 1. Biconcave
   2. Convex
   3. Spherical
   4. Concave

Mammalian kidney, under restricted water supply can conserve water by over _____% reabsorption of glomerular filtrate

1. 1. 80.50%
   2. 99.50%
   3. 90.50%
   4. 95.50%

Diatoms belong to_____.

1. 1. Xanthophyceae
   2. Chrysophyta
   3. Bacillariophyceae
   4. Both b and c

Psedudocoelom is character of_____.

1. 1. Aschelminthes
   2. Coelenterates
   3. Platyhelminthes
   4. Annelids

Reduction in photosynthesis is of_____.

1. 1. O2
   2. H2O
   3. light energy
   4. CO2