Sericuluture is a rearing practice of :

• Fishes
• Silk worm
• Honey bees
• Earth worm
Correct Option: B  [ Silk worm ]

Remark:

Thiamine deficiency or beriberi, refers to the lack of:

• vitamin K
• vitamin B1
• vitamin C
• nicotine
Correct Option: B  [ vitamin B1 ]

Remark:

In plants, extra-chromosomal DNA is found in

• Nucleus
• Chloroplast
• Ribosome
• Golgi bodies
Correct Option: B  [ Chloroplast ]

Remark: In many cases, extrachromosomal DNA is contained in cytoplasmic organelles, such as mitochondria (animals), and in chloroplasts and plastids (plants).

Cobalt-60, commonly used in radiation therapy, emits :

• Alpha rays
• Beta rays
• Gamma rays
• X-rays
Correct Option: C  [ Gamma rays ]

Remark:

Red data book contains data of which of the following?

• All plant species
• All animal species
• All endangered species
• All extinct species
Correct Option: C  [ All endangered species ]

Remark:

Yeast are most likely to grow in frozen fruits during:

• Slow thawing
• Refrigeration
• Ambient temperature
• High temperature
Correct Option: A  [ Slow thawing ]

Remark: Slow thawing is the gradual process of allowing a frozen item to return to its natural state by exposing it to a controlled temperature environment. This method is often preferred over rapid thawing to maintain the quality, safety, and integrity of the food.

'ASTROSAT' is a satellite launched by ISRO for :

• Research on climate conditon
• Better Tele-communication
• Astronomy research
• None of these
Correct Option: C  [ Astronomy research ]

Remark:

Which one of the following is not an electromagnetic wave?

• Radio wave
• X-ray
• Visible light
• Sound wave
Correct Option: D  [ Sound wave ]

Remark:

What is common in AIDS, hepatitis and typhoid fever ?

• All are bacterial disease
• All are water borne diseases
• All are viral disease
• All are spread by human beings
Correct Option: D  [ All are spread by human beings ]

Remark:

The phenomenon of light associated with the appearance of the blue Colour of the sky is:

• interference
• reflection
• refraction
• scattering
Correct Option: D  [ scattering ]

Remark: