1. Which of the following symbiotic association forms a lichen

1. An algae and a fungus
2. An algae and a bryophyte
3. A bacterium and a fungus
4. A bacterium and a gymnosperm

2. Which one of the following crop combination is not adopted in mixed cropping in india

1. Wheat and Mustard
2. Wheat and Chick Pea
3. Rice and Ground nut
4. Ground nut and sun flower

3. Daltonism (Protanopia) is the form of colorblindness in which the patient cannot see

1. Green colour
2. Red colour
3. Blue colour
4. All the above colour

4.The photoelectric effect is described as the ejection of electrons from the surface of metal when

1. It is heated
2. It is placed in strong electric field
3. Electrons of suitable velocity impinge on it
4. Light of suitable wavelength falls on it

5. X-rays _________ waves

1. longitudinal
2. transverse
3. electromagnetic
4. elastic

6.The shape of rain drop is spherical due to

1. Viscosity
2. Surface tension
3. Elasticity
4. Gravitation

7. The penetrating powers of  α ,β and γ radiations, in decreasing order  are

1. α, β, γ
2. γ, α, β
3. β, α, γ
4. γ, β, α

8. In MS-Excel, which of the following function is used to find the largest value in list ?

1. Count
2. Proper
3. Max
4. Sum

9. While the computer executes a program,the program is held in

1. RAM
2. ROM
3. Hard Disk
4. Floppy Disk

10. A hybrid computer is the one having the combined properties of

1. Super and Micro Computers
2. Mini and Micro Computers
3. Analog and Digital Computers
4. Super and Mini Computers

ANSWERS

1. A                     2.  A                     3. D                     4.  D                    5. C

6. B                     7.  B                     8. C                     9. A                     10. D