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General Knowledge :

Biology




1.
Among the biotic components of the ecosystem, the producer system is ?

sea
river
green plants
animal




2.
Plants receive their nutrients mainly from

chlorophyl
light
atmosphere
soil




3.
Movement of cell against concentration gradient is called

osmosis
active transport
diffusion
passive transport




4.
   Plants synthesis protein from

starch
sugar
amino acids
fatty acids




5.
Plants absorb dissolved nitrates from soil and convert them into

free nitrogen
urea
ammonia
proteins




6.
Process of cell division can take place by

fusion
diffusion
mitosis
none of these




7.
Most highly intelligent mammals are

whales
dolphins
elephant
all the above




8.
  Photosynthesis takes place faster in

white light
yellow light
red light
darkness




9.
Pyorrhoea is a disease of the

nose
gums
heart
lungs




10.
    Oxygen released in the process of photosynthesis comes from

CO2
sugar
water
acid




11.
   Plants hormone that induces cell division is

auxins
kinnis
domins
all the above




12.
   Phloem is a tissue found in

insects
plants
animals
all the above




13.
    Potato is a modified form (outgrowth) of

root
stem
leaf
fruit




14.
   which of the following taxonomic categories which is the most inclusive (i.e. is the highest in hierarchy)?

order
class
genus
all the above




15.
   Myopia is connected with

ears
eyes
mouth
all the above




16.
  Plant have ____ while animals lack it.

starch
cellulose
protein
fat




17.
On which of the following plants did Gregor Mendal perform his classical experiment?

gram
maize
pea
wheat




18.
  Night blindness is cause by lack of which vitamin?

vitamin A
vitamin B
vitamin C
vitamin D




19.
  Outer covering of virus made up of protein is

capsid
coat
viriod
virion




20.
  Number of chromosomes in Down's syndrome is

46
47
45
44










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FreshersLive - No.1 Job site in India. Here you can find latest 2016 government as well as private job recruitment notifications for different posts vacancies in India. Get top company jobs for both fresher and experienced. Job Seekers can get useful interview tips, resume services & interview Question and answer. Practice online test free which is helpful for interview preparation. Register with us to get latest employment news/rojgar samachar notifications. Also get latest free govt and other sarkari naukri job alerts daily through E-mail.