71.

Which of the following plant pigments absorbs in red and far-red region of light?

• Chlorophyll

• Phytochrome

• Cryptochrome

• Carotenoids

The process through which excess of light energy is dissipated in photosynthesis is known as

• scavenging

• photolysis

• photophosphorylation

• quenching

AIDS virus destroys

• monocytes

• neutrophils

• basophils

• lymphocytes

Teeth and Bones acquire strength and rigidity from

• fluorine

• chlorine

• sodium

• calcium

The type of tail found in Shark is

• homocercal

• heterocercal

• diphycercal

• protocercal

The Sigmoid colon is part of

• anal canal

• large intestine

• ileum

• small intestine

A good conductor while carrying current is

• negatively charged

• positively charged

• electrically neutral

• alternately charged positive and negative

The angle between the magnetic meridian and the geographical meridian at a place is

• dip

• declination

• latitude

• azimuth

The device used for measuring the wavelength of X-rays is

• cyclotron

• bragg spectrometer

• mass spectrometer

• GM counter

Alpha particle is the nucleus of an atom of

• hydrogen

• helium

• oxygen

• Ithium