11. A doctor, while using the Sphygmomanometer to measure the blood pressure of a patient, also uses the Stethoscope to listen a whooshing sound of blood, in which among the following arteries?
[A] Radial Artery
[B] Brachial Artery
[C] Auxiliary Artery
[D] Median Artery
Show Answer
Correct Answer: B [Brachial Artery]
12. Which among the following is the most common media of pollination in flowers without petals?
[A] Wind
[B] Water
[C] Insects
[D] All of above
Show Answer
13. Which among the following plant hormone plays most important role in establishing dormancy in seeds?
[A] Ethylene
[B] Gibberellic acid
[C] Abscisic Acid
[D] Auxin
Show Answer
Correct Answer: C [Abscisic Acid]
14. Which among the following is not present in pure sugar ?
[A] Carbon
[B] Hydrogen
[C] Nitrogen
[D] Oxygen
Show Answer
Correct Answer: C [Nitrogen]
Notes:
Pure Sugar is sucrose C12H22O11
15. Which of the following bacteria forms an endosymbiotic nitrogen fixing association with roots of legumes that helps in Nitrogen Fixation?
[A] Clostridium
[B] Rhizobium
[C] Salmonella
[D] Staphylococcus
Show Answer
Correct Answer: B [Rhizobium]
Notes:
Rhizobium Found in roots of legumes, like Peas, grams, Pulses etc, where it fixes atmospheric nitrogen as ammonia, which is then converted into useful amino acid.
16. Which of the following is the source of adult human stem cell?
[A] Liver
[B] Bone Marrow
[C] Brain
[D] Medulla
Show Answer
Correct Answer: B [Bone Marrow]
17. Least generative power is a feature of which among the following cells of Human Body?
[A] Brain
[B] Bones
[C] Skin
[D] Liver
Show Answer
Correct Answer: A [Brain]
18. Which among the following sugars is maximum in Honey?
[A] Glucose
[B] Sucrose
[C] Frcutose
[D] Maltose
Show Answer
Correct Answer: C [Frcutose]
19. Chronic exposure to which among the following minerals/ salts in groundwater may cause Black-Foot Disease?
[A] Fluoride
[B] Nitrates
[C] Arsenic
[D] Lead
Show Answer
Correct Answer: C [Arsenic]
Notes:
Arsenicosis or Black foot is caused by exposure over a period of time to Arsenic in drinking water. It may also be due to intake of arsenic via food or air. Kindly note that Itai-itai disease is caused by Cadmium poisoning.
20. “Minimata Disease ” is a severe neurological syndrome caused by eating fish and discovered in Japan. What was factor behind this disease?
[A] Arsenic Poisoning
[B] Mercury Poisoning
[C] Lead Poisoning
[D] Cadmium Poisoning
Show Answer
Correct Answer: B [Mercury Poisoning]
