Which one among the following is the largest monkey?

• Spider monkey

• Baboon

• Gorilla

• Howler monkey

Which one of the following processes of weathering belongs to both mechanical and chemical weathering?

• Crystallization

• Exfoliation

• Hydration

• Carbonation

A man was trapped in a room of a building that was up in flames. Fire-fighters had to break window panes which were filled in smoke to take him out. Once the injured person is out, he should be observed/treated for

• Superficial burn wound

• Electric burn wound

• Respiratory burn

• Internal organ injury

AIDS is caused by the Human Immunodeficiency Virus (HIV) which is

• Retrovirus

• Lente virus

• Arbo virus

• Immune virus

With regard to animal breeding, which one among the following is not correct?

• In-breeding: Mating of more closely related animals within the same breed for 1-2 generations

• Out-breeding: Breeding of unrelated animals of the same breed without common ancestors for 4-6 generations.

• Cross-breeding: Superior males of one breed are mated with superior females of another breed.

• Out-crossing: Offspring is called an 'out cross'.

Which one among the following statements regarding heart sound is correct?

• Heart sounds are caused by the internal blood flow inside the heart

• Heart sounds are caused by the external blood flow outside the heart

• Heart sounds are caused by opening and closing of heart valves

• Normal sounds are called 'murmurs'

Which one among the following cell organelles is semipermeable?

• Cell membrane

• Plasma membrane

• Cell wall

• Nucleus

Which part of the brain controls fine movement, maintains balance and equilibrium of the body and muscle tone in a human being?

• Cerebrum

• Thalamus

• Cerebellum

• Hypothalamus

Leishmania, the causative agent of kala-azar, multiplies asexually by

• budding

• binary fission

• multiple fission

• sporogony

Administering a vaccine provides protection by inducing the synthesis of antibodies (proteins) specific to the vaccine. The cell in the body responsible for the production of antibodies is

• granulocyte

• lymphocyte

• erythrocyte (red blood cell)

• platelet