Village Extension Officer [VEO] Exam 2014

General Science for preparing Kerala PSC Village Extension Officer [VEO] Examination 2014 

• The Chief food of a mosquito larva is:

Answer: Micro-organisms found in water

• The chief food of a butterfly larva is: 

Answer: Leaves of plants

• The part of the body directly affected by Rickets is: 

Answer: Bone tissue

• The part of the body directly affected by Pneumonia is: 

Answer: Respiratory system

• The part of the body directly affected by Rabies is: 

Answer: Nervous system

• The part of the body directly affected by Beri Beri disease is: 

Answer: Nervous system

• As the amount of clay in a soil increases, its water retaining capacity? 

Answer: Increases

• As the number of micro-organisms in a soil increases, the amount of humus in the same soil? 

Answer: Increases

• Which of the following plants adds more oxygen to the atmosphere than it removes? 

Answer: Corn

• Which of the following blood groups of human beings is a universal donor? 

Answer: O

• It is customary to transfuse blood of the same group as that of the patient, and only in emergency to give the blood of the donor whose blood group is: 

Answer: O

• Haemoglobin in the blood is a complex protein rich in:

Answer: Iron

• Haemoglobin is rich in a mineral which has great affinity for:

Answer: Oxygen

• Amino acids are a product of the digestion of:

Answer: Proteins

• Which of the following is a starch digesting enzyme?

Answer: Ptyalin

• Which of the following has the highest fat content?

Answer: Milk

• Which one of the following secretions does not contain enzymes?

Answer: Bile

• Which of the following is the product of digestion of proteins?

Answer: Amino acids

• Pepsin, a digestive enzyme, is produced in the:

Answer: Stomach

• The element Nitrogen is found in:

Answer: Proteins

• Corn kernels are seeds and contain digestive enzymes which convert starch into:

Answer: Glucose

• The kidneys in the human body

(a) Regulate the water balance in the body

(b) Regulate the concentration of the salts in the blood and of the reaction (acid-base balance) of the blood

(c) Excrete waste products and any excess of salts

(d) All of the above

• Which of the following is nearly a complete food by itself‘?

Answer: Milk

• Which of the following foods (one ounce of edible raw portion of each) provides the largest number of Kcal. of energy?

Answer: Margarine

• If you wish to have the maximum value of in respect of Vitamin D, which of the following would you choose?

Answer: Cheese