General Science - Biology (Biology,Zoology,Botany) MCQ's




All Questions are from Year - 2018 or older

Question 391 :
The food poisoning is caused by___.

  

Question 392 :
Who discovered sex hormones?

  1. Dreser
  2. Eugen Steinach
  3. Edward Calvin
  4. Samuel Cohen
  

Question 393 :
Which one of the following cells produces antibodies ?

  1. Eosinophil
  2. Monocyte
  3. Basophil
  4. Lymphocytes
  

Question 394 :
AIDS virus has :

  1. single-stranded RNA
  2. double-stranded RNA
  3. single-stranded DNA
  4. double stranded DNA
  

Question 395 :
Deficiency of Vitamin B6 in man causes

  1. rickets
  2. scurvy
  3. beri-beri
  4. anaemia
  

Question 396 :
Who invented penicillin?

  

Question 397 :
Scientific study of birds is known as

  1. Limnology
  2. Herpetology
  3. Malacology
  4. Ornithology
  

Question 398 :
Bark of this tree is used as a condiment:

  1. Cinnamon
  2. Clove
  3. Neem
  4. Palm
  

Question 399 :
Dehydration in human body is caused due to the loss of:

  1. vitamins
  2. salts
  3. hormones
  4. water
  

Question 400 :
Which of the following is known as Vitamin B1?

  1. Retinol
  2. Thiamin
  3. Riboflavin
  4. Ascorbic Acid
  

Question 401 :
Maximum photosynthetic activity occurs in :

  1. blue and red region of light
  2. green and yellow region of light
  3. blue and orange region of light
  4. violet and orange region of tight
  

Question 402 :
During photosynthesis in plants the gas evolved is

  1. Carbon dioxide
  2. Nitrogen
  3. Oxygen
  4. Hydrogen
  

Question 403 :
Which vitamin is considered to be a hormone?

  

Question 404 :
The study of extinct animals is called

  1. Herpetology
  2. Ornithology
  3. Geology
  4. Palaeontology
  

Question 405 :
Which is the gland that holds the body s thermostat?

  1. Pineal
  2. Pituitary
  3. Thyroid
  4. Hypothalamus
  

Question 406 :
Founder of Homeopathy is

  1. Samuel Hahnemann
  2. Hippocrates
  3. Charaka
  4. Sushrutha
  

Question 407 :
Which vitamin helps in blood coagulation?

  1. Vitamin-A
  2. Vitamin-C
  3. Vitamin-K
  4. Vitamin-E
  

Question 408 :
What is known as 'kitchen of cell'?

  

Question 409 :
Yawning occurs

  1. due to excess concentration of C02 in blood
  2. due to excess concentration of CO2 in lungs
  3. due to excess concentration of C02 in lungs
  4. None of these
  

Question 410 :
Fermentation Is a process of decomposition of an organic compound by

  1. catalysts
  2. enzymes
  3. carbanions
  4. free radicals
  

Question 411 :
Fruits of this plant are found underground:

  1. Potato
  2. Carrot
  3. Groundnut
  4. Onion
  

Question 412 :
The edible part of an onion is

  1. Modified root
  2. Aerial flower
  3. Aerial stem.
  4. Fleshy leaves y
  

Question 413 :
Which of the following has no skeleton at all ?

  1. Star fish
  2. Sponge
  3. Jellyfish
  4. Silver fish
  

Question 414 :
Iodoform Is used as an :

  1. antipyretic
  2. analgesic
  3. antiseptic
  4. anesthetic
  

Question 415 :
The medical term used for the sleeplessness is

  1. Somnambulism
  2. Insomnia
  3. Hallucination
  4. Nyctinuria
  

Question 416 :
The human faces is yellow in colour due to the presence of a pigment called___?

  

Question 417 :
According to WHO the bird flue virus cannot be transmitted through food cooked beyond

  1. 60 degrees Celsius
  2. 70 degrees Celsius
  3. 90 degrees Celsius
  4. 100 degrees Celsius
  

Question 418 :
Which organ of the body never(rest

  1. Eyes
  2. Pancreas
  3. Liver
  4. Heart
  

Question 419 :
The hormone used as an oral contraceptive is ____.

  

Question 420 :
Aspartame is the name of a product used by diabetic patients as a sweetening agent. It belongs to the class of

  1. Carbohydrates
  2. Peptides
  3. Polyhydric alcohols
  4. Alkaloids
  
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