The washing machine works on the principle of ____________.

• Dialysis

• Diffusion

• Reverse osmosis

• Centrifugation

32.

Which of the following is responsible for transport of food and other substances in plants?

• Xylem

• Phloem

• Chloroplast

• None of these

Which is not an external storage device?

• CD-ROM

• DVD-ROM

• Pen Drive

• RAM

Which of the following is the correct description of the term sex-ratio as used in the context of the census of population?

• Number of males per 1000 females

• Number of females per 1000 males

• Number of females per 100 males

• Number of females in a sample of 1000 persons

______________ gives hardness to stainless steel.

• Zinc

• Lead

• Carbon

• Tin

The longest river of peninsular India is

• Narmada

• Godavari

• Mahanadi

• Cauvery

Who is generally considered to be the father of the Indian Renaissance?

• Rabindranath Tagore

• Raja Rammohan Roy

• Mahatma Phule

• M.G. Ranade

Among the following States, _________ has the lowest birth rate in India.

• Kerala

• Uttar Pradesh

• Bihar

• West Bengal

The outermost range of Himalayas is called ____________.

• Kali

• Shiwaliks

• Dehradun

• Kumaon

The Secretariat of SAARC is set up at ..............

• Washington

• Kathmandu

• Hague

• New Delhi