91.

The birthday of which of the following leaders is celebrated as Teachers Day in India?

• Dr. Rajendra Prasad

• Dr. C. Rajgopalachari

• Dr. S. Radhakrishnan

• Lala Lajpat Rai

The graded profile of a river course is a

• smooth curve in the middle course

• smooth curve from source to mouth

• smooth curve in the lower course

• smooth curve in the upper course

What happens when a drop of glycerol is added to crushed KMnO₄ spread on a paper?

• The paper ignites

• There is a crackling sound

• There is a violent explosion

• There is no reaction

The ship building yard-Mazgaon Dock is located at

• Kochi

• Vishakhapatnam

• Mumbai

• Kolkata

Where was the first conference of SAARC (South Asian Association for Regional Cooperation) held?

• Dhaka

• Colombo

• Kathmandu

• New Delhi

If the President wants to resign from his office, he may do so by writing to the

• Chief Justice of India

• Speaker of Lok Sabha

• Prime Minister

• Vice President

Sink hole is a phenomenon of ........... topography

• desert

• plain

• karst

• tundra

Electric current is measured using which of the following instrument?

• Ammeter

• Voltmeter

• Anemometer

• Watt meter

Which one of the following animals belongs to mollusca?

• Hare

• Haliotis

• Hydra

• Hyla

Photoperiodism affects

• Vegetative growth

• Fruiting

• Flowering

• All of these