UP PCS PRE Biology SINCE 1994

Showing 161 - 180 of 186 entries

161. Which one of the following is an important source of  Vitamin E?

  • A
  • Palm oil

  • B
  • Coconut oil

  • C
  • Wheat germ oil

  • D
  • Mustard oil

Show Answer
Correct Answer : C [Wheat germ oil]

162. Smallest man-like ape is

  • A
  • Gibbon

  • B
  • Chimpanzee

  • C
  • Gorilla

  • D
  • Orangutan

Show Answer
Correct Answer : A [Gibbon]

163. Quinine, the effective medicine in the treatment of  malaria, is extracted from

  • A
  • Bark of Cinnamon

  • B
  • Bark of Cinchona

  • C
  • Leaves of Ocimum

  • D
  • Bark of Acacia Catechu

Show Answer
Correct Answer : B [Bark of Cinchona ]

164. The brain is responsible for

  • A
  • thinking

  • B
  • regulating the heartbeat

  • C
  • balancing the body

  • D
  • All of these

Show Answer
Correct Answer : D [All of these ]

165. The plants receive nitrogen in the form of

  • A
  • nitric oxide

  • B
  • nitrate

  • C
  • ammonia

  • D
  • nitride

Show Answer
Correct Answer : B [nitrate]

166. Which one of the following pairs is incorrectly  matched?

  • A
  • Thiamine – Beriberi

  • B
  • Ascorbic acid – Scurvy

  • C
  • Vitamin A – Colour-blindness

  • D
  • Vitamin K – Blood-clotting

Show Answer
Correct Answer : C [Vitamin A – Colour-blindness ]

167. Leukaemia is a type of cancer in which there is an  abnormal increase in the number of

  • A
  • bone cells

  • B
  • platelets

  • C
  • red blood cells

  • D
  • white blood cells

Show Answer
Correct Answer : D [white blood cells ]

168. A man who does not know when to stop eating is  suffering from

  • A
  • bulimia

  • B
  • diabetes

  • C
  • anorexia nervosa

  • D
  • hyperacidity

Show Answer
Correct Answer : A [bulimia]

169. For human blood transfusion, which blood group is  known as universal?

  • A
  • B+ Group

  • B
  • O Group

  • C
  • AB Group

  • D
  • A+ Group

Show Answer
Correct Answer : B [O Group ]

170. Pungency in chillies is due to the presence of

  • A
  • lycopene

  • B
  • capsaicin

  • C
  • carotene

  • D
  • anthocyanin

Show Answer
Correct Answer : B [capsaicin ]

171. Which one of the following food materials contains all  the essential amino acids?

  • A
  • Rice

  • B
  • Milk

  • C
  • Egg

  • D
  • Soyabean

Show Answer
Correct Answer : C [Egg]

172. Given below are two statements:  Assertion (A): Human body is incapable of digesting  cellulose.  Reason (R): Starch-degrading enzyme, diastase, is found  in a human body.  Choose the correct answer from the codes given below: Codes:

  • A
  • Both (A) and (R) are true and (R) is the correct explanation of (A).

  • B
  • Both (A) and (R) are true, but (R) is not the correct explanation of (A).

  • C
  • (A) is true, but (R) is false.

  • D
  • (A) is false, but (R) is true.

Show Answer
Correct Answer : B [Both (A) and (R) are true, but (R) is not the correct explanation of (A). ]

173. Which one of the following organs will not feel any pain  on being pricked by a needle?

  • A
  • Skin

  • B
  • Brain

  • C
  • Heart

  • D
  • Eye

Show Answer
Correct Answer : B [Brain ]

174. In which of the following animals, hooves are not  found?

  • A
  • Deer

  • B
  • Jackal

  • C
  • Zebra

  • D
  • Horse

Show Answer
Correct Answer : B [Jackal ]

175. The cause of sweet taste in fruits is

  • A
  • maltose

  • B
  • ribose

  • C
  • lactose

  • D
  • fructose

Show Answer
Correct Answer : D [fructose ]

176. Which one of the following pairs is not correctly  matched?  Hormone Function

  • A
  • Insulin – regulation of blood glucose

  • B
  • Melatonin – regulation of sleep

  • C
  • Oxytocin – release of milk from mammary glands

  • D
  • Gastrin – regulation of blood pressure

Show Answer
Correct Answer : D [Gastrin – regulation of blood pressure ]

177. Which one of the following is not a genetic disease?

  • A
  • Night blindness

  • B
  • Albinism

  • C
  • Haemophilia

  • D
  • Colour blindness

Show Answer
Correct Answer : A [Night blindness ]

178. Which one of the following pairs is not correctly  matched?  Vitamin Role

  • A
  • Vitamin B12 – antianaemic factor

  • B
  • Vitamin C – antiscorbutic factor

  • C
  • Vitamin D – antisterility factor

  • D
  • Vitamin K – antihaemorrhagic factor

Show Answer
Correct Answer : C [Vitamin D – antisterility factor ]

179. Deficiency of iodine causes

  • A
  • night blindness

  • B
  • cancer

  • C
  • goitre

  • D
  • osteoporosis

Show Answer
Correct Answer : C [goitre]

180. Which of the following has the largest brain in  proportion to its body size?

  • A
  • Ant

  • B
  • Elephant

  • C
  • Dolphin

  • D
  • Human being

Show Answer
Correct Answer : A [Ant]
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