General Science-92

      1.      Which one of the following constitutes the two best reasons for distinguishing the living from
the non living?

a.       Growth and locomotion

b.      Irritability and locomotion

c.       Respiration and excretion

d.      Reproduction and locomotion

      2.      The largest living bird is:

a.       Duck

b.      Dodo

c.       Ostrich

d.      Peacock

      3.      Which of the following are the only mammals that possess nucleated red blood corpuscles?
       1. Camel
       2. Llama
       3. Man
       4. Dog

a.      l and 2

b.      2 and 3

c.       3 and 4

d.      l and 4

       4.      When compared to the mammals, birds are less sensitive to temporary deprivation of water, because

a.       urea excretion in mammals entails a greater loss of water than that in birds.

b.      the water requirement per unit weight is less in birds than in mammals.

c.       absorption of water from the gut is more efficient in birds than in mammals.

d.      None of these

       5.      Birds get thrust (forward motion) and lift (upward motion) from

a.       air sacs .

b.      flapping of wings

c.       twisting of feathers

d.      shape of wings which is similar to aeroplane blades

       6.      The mammal which lays eggs is

a.       Bat

b.      Squirrel

c.       Kangaroo

d.      Duckbilled Platypus

       7.      Hormones are normally absent in

a.       Rat

b.      Monkey

c.       Bacteria

d.      Cat

       8.      The blood sucking organisms are

a.       Hookworms

b.      Earthworms

c.       Leeches

d.      Pin worms

       9.      ‘The blue coloured blood of this marine creature is used to test safety of drugs. It is found
abundantly along Orissa coast’. The given description fits:

a.       Scorpion

b.      Sepia

c.       Cattle fish

d.      Horse shoe crab

       10.  From which stage of silk moth is silk obtained?

a.       Caterpillar

b.      Pupa

c.       Cocoon

d.      Adult

       11.  The gestation period of cows is

a.       150 days

b.      280 days

c.       300 days

d.      365 days

       12.  Taenia solium (Tape worm) lives as a parasite in

a.       Pig

b.      abdomen of man

c.       intestine of man

d.      liver of man

       13.  Which of the following is an egg laying mammal?

a.       Bat

b.      Scaly ant –eater

c.       Whale

d.      Spiny ant –eater

       14.  The respiration is carried on by 

a.       Kidneys 

b.      Brain 

c.       Intestine 

d.      Lungs 

       15.  Which is the outer protective cover of the body? 

a.       Skeleton 

b.      Hair 

c.       Skin 

d.      None of these 

       16.  Which collects the blood from the organs? 

a.       Arteries 

b.      Veins 

c.       Lungs 

d.      Nerves 

       17.  Which removes waste materials from the body? 

a.      Kidneys 

b.      Lungs 

c.       Heart 

d.      Brain 

       18.  Which of the following is well developed and functional in grazing animals? 

a.      Appendix 

b.      Liver 

c.       Duodenum 

d.      Rectum 

       19.  How many teeth will the children have? 

a.       10 

b.      15 

c.       28 

d.      20 

      20.  What is inner lining of the alimentary canal called? 

a.       Oesophagus 

b.      Mucous membrance 

c.       Muscle 

d.      Muscular