The subject which deals with the study of fishes is called

(1) Herpatology
 (2) Icthyology
 (3) Entamology
 (4) Fisheries

Pila (snail) Limux slug), Patella etc. belongs to class
1. Polypalacophora
2. Scaphopoda
3. Gastropoda
4. Cephalopoda

A certain color of light towards the purple end of the visible spectrum has a wavelength of 420 nm in a vacuum.
What is the frequency of this light?
The speed of light in a vacuum is 3.00×10⁸m/s

1) 126Hz
2) 7.1×10¹⁴Hz
3) 1.26×10¹¹Hz
4) 1.4×10⁻¹⁵Hz

The solubility product of a binary weak electrolyte is  4×10⁻¹⁰ at 298K. Its solubility in mol dm⁻³ at the same temperature is 

1) 4 × 10⁻⁵
2) 2 × 10⁻⁵
3) 8 × 10⁻⁵
4) 16 ×10⁻⁵

For the reaction A ® B, the rate increases by a factor of 2.25 when the concentration of A is increased by 1.5. What is the order of the reaction ?

1) 0
2) 3
3) 1
4) 2

This process begins with the production of Acetyl-CoA:
 1) chemiosmosis
 2) glycolysis
 3) fermentation
 4) krebs cycle

Which of the following is not the part of gynoecium?

 1) Ovary
 2) Style
 3) stigma
 4) Filament

 In which of the following layers of the atmosphere, temperature decreases with height?

(1)     Stratosphere               (2)     Mesosphere

(3)     Thermosphere              (4)     All of these

An open container has net 10 gm mass of a radioactive material. The net mass in the container after two mean lives is approximately:

1) 1.35 gm
2) 2.5 gm
3) 10 gm
4) 5 gm

 Dimethyl terephthalate and ethylene glycol react to form :

1) decreases with increase in     temperature
2) increases with increase in     temperature
3) remains unaffected with  change in     temperature.
4) can be calculated by the relation
    E = mc2