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




All Questions are from Year - 2018 or older

Question 421 :
Approximately how many times each day do our heart valves open and close normally?

  1. 10000 times
  2. 100000 times
  3. 150000 times
  4. 200000 times
  

Question 422 :
Which part of human brain is the regulating centre for swallowing and vomiting?

  

Question 423 :
The longest and largest bone in the human body is__?

  

Question 424 :
Columba livia is the scientific name of

  1. Pigeon
  2. Snake
  3. Rabbit
  4. Shark
  

Question 425 :
Hashish is obtained from a plant. From which part of the plant is it obtained ?

  1. Leaves
  2. Stem
  3. Exudate from leaves and female inflorescences.
  4. Exudate from stem and male inflorescences.
  

Question 426 :
For a healthy heart one needs to take a balanced diet adequate sleep and

  1. indulge in vigorous mental activities
  2. play games like carrom chess and cards
  3. do right amount of physical exercise
  4. do sedentary work
  

Question 427 :
The vaccination against small pox involves the introduction of

  1. killed germs
  2. weakened germs
  3. live antibodies
  4. activated germs
  

Question 428 :
Which of the following diseases is caused by a virus?

  1. Poliomyelitis
  2. Malaria
  3. Whooping cough
  4. Ringworm
  

Question 429 :
The causative organism of dengue fever is

  1. Fungus
  2. Bacteria
  3. Protozoa
  4. Virus
  

Question 430 :
Prawn belongs to the phylum

  1. Arthropoda
  2. Cnidaria
  3. Echinodermata
  4. Chordata
  

Question 431 :
Which gland disapear during old age?

  

Question 432 :
The filtering of blood through an artificial kidney is called__?

  

Question 433 :
Turpentine oil is obtained from___?

  

Question 434 :
The tusk of elephant is an enormously enlarged :

  1. upper incisor .
  2. upper canine
  3. tower canine
  4. tower incisor
  

Question 435 :
The noble gas used for the treatment of cancer is

  1. Helium
  2. Argon
  3. Krypton
  4. Radon
  

Question 436 :
Eyes of potato are useful for

  1. Nutrition
  2. reproduction
  3. Reproduction
  4. Vegetative propagation
  

Question 437 :
Which is the largest living bird on Earth?

  1. Emu -
  2. Ostrich
  3. Albatross
  4. Siberian Crane
  

Question 438 :
Total number of bones In man is

  1. 206
  2. 300
  3. 306
  

Question 439 :
Which one of the following is not a digestive enzyme ?

  1. Pepsin
  2. Renin
  3. Insulin
  4. Amylopsin
  

Question 440 :
What happens to a person who receives the wrong type of blood?

  1. All the arteries constrict
  2. All the arteries dialates
  3. The RBCs agglutinate
  4. The spleen and lymphnodes deteriorate
  

Question 441 :
Process of digestion is helped by

  1. Enzyme
  2. Hormone
  3. Mineral
  4. (4Vitamin
  

Question 442 :
A substance that stimulates the production of antibodies when Introduced into a living organism is known as

  1. carcinogen
  2. androgen
  3. antigen
  4. estrogen
  

Question 443 :
Polio is caused by whom?

  

Question 444 :
In the process of dialysis used on patients with affected kidneys the phenomenon involved Is

  1. Diffusion
  2. Absorption
  3. Osmosis
  4. Electrophoresis
  

Question 445 :
Pick out the viral disease among the following:

  1. Hepatitis
  2. Meningitis
  3. Arthritis
  4. Nephritis
  

Question 446 :
What are the blood corpuscles that help to build up resistance against diseases ?

  1. Leucocytes
  2. Monocytes
  3. Neutrophils
  4. Lymphoctyes
  

Question 447 :
The metal present in insulin is

  1. Copper
  2. iron
  3. Zinc
  4. Magnesium
  

Question 448 :
Which is responsible for transport of food and other substances in plants?

  

Question 449 :
Which of the following makes the skin layer impervious to water ?

  1. Collagen
  2. Melanin
  3. Keratin
  4. Chitin
  

Question 450 :
The age of a tree can be determined more or less accurately by

  1. counting the number of branches
  2. measuring the height of the tree
  3. measuring the diameter of the trunk
  4. counting the number of rings in the trunk
  
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