Sugar in the urine of man is detected by 
1. Benedict's test 
2. Biuret test 
3. Iodine test 
4. Lactometer test

Flame cells are excretory organ of 

1) Planaria
2) Hydra
3) Hydrilla
4) Cockroach

The principles of heredity were rediscovered by
 1) Devries, Corens, & Von Tschermak
 2) Margon, Robertson
 3) Watson, Robert Brown
 4) Robert Cook, Robertson

Formation of fat (lipogenesis) begins in the body when
1. Blood sugar level is constant
2. Glucose is converted into glycogen
3. When liver and muscles cannot store any more glycogen
4. When glucose combines with glycerol

The first metabolite of Krebs cycle is

(1) Pyruvic acid

(2) Acetyl-CoA

(3) a-ketoglutarate

(4) None of the above

 In aquatic ecosystems the region that is not affected by temperature is the
1. epilimnion
2. hypolimnion
3. metalimnion
4. all of these

Which of the following processes produces the most ATP?
 1) glycolysis
 2) oxidative phosphorylation
 3) fermentation
 4) krebs cycle

Bacillus Calmette-Guerin vaccine is given to combat

1) AIDS
2) Rabies
3) Tuberculosis
4) Herpes

Typical vertebrae of frog are from :
1. 1-7
2. 3-7
3. 2-8
4. 2-9

The protons and electrons required to reduce NADP to NADPH2 come from
 1) Starch
 2) CO₂
 3) ATP
 4) Water