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




All Questions are from Year - 2018 or older

Question 481 :
Besides ear ossicles the cavity of the middle ear in humans contains.

  1. air
  2. endolymph
  3. perilymph
  4. otoconiay
  

Question 482 :
Name the gas used for making vegetable ghee?

  

Question 483 :
In a human body the longest bone is In the

  1. vertebral column
  2. thigh
  3. rib cage
  4. arm
  

Question 484 :
What is an antibiotic?

  1. A chemical compound produced by a living organism(that inhibits the growth of other organisms
  2. A compound synthesized by a living organism that inhibits the growth of microbes
  3. A synthetic compound inhibiting the growth of other organisms
  4. A synthetic compound inhibiting the growth of bacteria
  

Question 485 :
AIDS is a/ an

  1. bacterial disease
  2. viral disease
  3. fungal disease
  4. algal disease
  

Question 486 :
The concept of survival of the fittest was first advocated by

  1. Oparin
  2. Darwin
  3. Spencer
  4. Haeckel
  

Question 487 :
Goitre is caused by the deficiency of

  1. Iodine
  2. Chlorine
  3. Sodium
  4. Calcium
  

Question 488 :
The disease that is caused by virus is

  1. Typhoid
  2. Cholera
  3. Common Cold
  4. Tetanus
  

Question 489 :
An antibiotic is

  1. a chemical synthesized by a human cell against a microorganism
  2. a chemical synthesized by a micro-organism against an-x other micro-organisms
  3. a substance produced by blood cells against bacteria
  4. a substance produced by blood cells against infection.
  

Question 490 :
Sweetex used by the diabetic patients has energy content of:

  1. Five calories
  2. Ten calorie
  3. Hundred calories
  4. Zero calories
  

Question 491 :
Which one of the following is not a vaccine ?

  1. BCG
  2. Anti-rabies
  3. Polio vaccine
  4. Progesterone
  

Question 492 :
Virus contains

  1. Protein and lipid
  2. Nucleic acid and protein
  3. Lipid and carbohydrate
  4. Carbohydrate and nucleic add
  

Question 493 :
For how many years have the dinosaurs been extinct ?

  1. About 25 million years
  2. About 65 million years
  3. About 35 million years
  4. About 45 million years
  

Question 494 :
The process of photosynthesis involves conversion of what?

  

Question 495 :
Thalassemia is a hereditary disease. It affects

  1. Blood
  2. Spleen
  3. Lungs
  4. Heart
  

Question 496 :
The metal which is a constituent of vitamin B12 is

  1. Iron
  2. Magnesium
  3. Zinc
  4. Cobalt
  

Question 497 :
The total number of biosphere reserves present In India are

  1. eleven
  2. ten
  3. fifteen
  4. twelve
  

Question 498 :
Blood group was discovered by whom?

  

Question 499 :
Select the bio fertilizer in the following :

  1. Compost
  2. Ammonium sulphate
  3. Cattle dung -
  4. Algae and blue-green algae
  

Question 500 :
Syrinx is the voice box in

  1. Amphibians
  2. Reptiles
  3. Birds
  4. Mammals
  

Question 501 :
BT seed is associated with

  1. Rice
  2. Wheat
  3. Cotton
  4. Oil seeds
  

Question 502 :
Which of the following structures present in mammalian skin directly helps in keeping the body warm?

  1. Pigmented cells
  2. Sweat glands
  3. Lymph vessels
  4. Blood capillaries
  

Question 503 :
Which amongst the following is the largest mammal ?

  1. Elephant
  2. Whale
  3. Dinosaur
  4. Rhinoceros
  

Question 504 :
Which is known as graveyard of RBC's ?

  

Question 505 :
Rickets is the deficiency disease of Vitamin D in which the affected part is the

  1. skin
  2. hair
  3. bone
  4. blood
  

Question 506 :
The standard audible capacity of a healthy human being as per World Health Organisation is in the range of

  1. 45-50 decibels
  2. 200-250 decibels
  3. 5-10 decibels
  4. 2000-2500 decibels
  

Question 507 :
The animal which uses sounds as its eyes is

  1. Dog
  2. Cat
  3. Snake
  4. Bat
  

Question 508 :
The functions of pacemaker is

  1. Regulation of Urine formation
  2. Regulation of digestion
  3. Initiation of heart beat
  4. Initiation of respiration
  

Question 509 :
Deficiency of vitamin D in children causes

  1. beriberi
  2. pellagra
  3. rickets
  4. scurvy
  

Question 510 :
Which of the following is the smallest bird?

  1. Pigeon
  2. Parrot
  3. Hummingbird
  4. House sparrow
  
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