Originally posted by: Panchi-fanRamya
thot ke mere xams b paas aa rahe hain to kyun naa aap logon ka b exams le lun? dont worry, its easy.
8TH GRADE "NON CENTRAL SYLLABUS" XAM ON BIOLOGY.
answer as much as u can, isi bahaane mujhe bhi padhne mein interest aa jaayega.😳 please dont ban my account Kriti Dii😆 jus triyin 2 make d forum more active (Bahaana active banaa ne kaa😳)
YOU CAN USE THE INTERNET FOR ANSWERS IF U WANT BUT PLEASE TRY TO ANSWER WITHOUT HELP.😳
THE LIVING WORLD - Answers
|) Answer the following.
1) Name the branch of Science that deals with the study of living organisms.
Biology
2) Name the 5 major kingdoms with examples.
monera - eg : Bacteria, Blue green algae
Protesta - eg : Euglena, Paromacium
Mycota or Fungi - eg : Yeast, Mushroom
Plantae - eg : Maize, Mango, Fern
Animalia - eg : Fish, bird, man
3) What is a herbivore?
Animals which eat plants (Vegeterian animals😆)
4) What is a Carnivore?
animals which eat flesh of other animals (non-veg. omnivores r both veg n non-veg😉)
5) What is Taxonomy?
Taxonomy deals with groupin, identification n namin of animals.
6) Name the locomotory organ of the following
a) Amoeba-Psuedopodia
b) Euglena-Flagella
c) Paramacium-Cilia
d) Hydra-Tentacles
e) Fish-Fins
f) Bird-Wings
g) Cow-limbs
7)Name the respiratory organof the following
a) Insect-Trachea
b) Fish-Gills
c) Frog-Skin n lungs
d) Men-Lungs
8) Write any 8 differences b/w Living n non-living organisms.
living organisms -
1 they respire
2 they move
3 they re-produce
4 they respond to stimuli (Pls tell what is Stimuli)
5 they consume food
6 they r made up of cells
7 they grow
8 they hav definite shape n size
9 they live for a definite period of time.
Non-living organisms-
they r opposite😆
9) Name the 2 branches of biology n tell wat each deals with.
1 Botany - it deals with the study of plants
2 Zoology - it deals with the study of animals.
10) What is classification?
systematic grouping of animals.
11) What is Bionomial Nomenclature?
it is the scientific method of naming living organisms.
12) Write the bionomial nomenclature of the following.
a) Entamoeba - Entamoeba histolytica
b) Frog - Rana hexadactyla
c) Cat - Felis domestica
d) Tiger - Felis tigris
e) Lion - Felis leo
f) Orange - Citrus reticulata
g) Pumpkin - Cucubrita pepo
h) Coffee - Coffea arabica
i) Onion - Allium cepa
j) Coconut - Cocos nucifera
k) Cow - Bos taurus
l) Amoeba - Amoeba proteus
m) Mango - Mangifera indica
n) Horse - Eques caballus
o) Donkey - Eques asinus
p) Banyan - Ficus bengalensis
q) Peepal - Ficus religiosa
r) Man - Homo sapiens
13) What is the advantage of Bionomial nomenclature?
Scientific names are universally accepted n dont change irrespective of place or language. these names r in Latin n r understood by biologists all over the world
14) What is life span?
Living organisms live for a definite period of time is called life-span.
15) Name the seven levels of classification.
Kingdom
Phylum
Class
Order
Family
Genus
Species
16) Name the classification of man.
Kingdom - Animalia
Phylum - Chrodata
Class - Mammalia
Order - Primates
Family - Hominidae
Genus - Homo
Species - Sapiens
17) Write any 4 or 5 differences b/w Procaryots n Eucaryots.
Pro -
1 Nuclear membrane is absent
2 Chromosome - 1 circular chromosome with no protein
3 Nucleous Absent
4 Mitochondrea absent
5 Ribosome Small
Eu-
1 Nuclear membrane is Present
2 Chromosome - Many chromosomes with protein
3 Nucleous present
4 Mitochondrea Present
5 Ribosome Large
18) Write the characteristics of Kingdom Monera.
they r procaryotes mostly unicellular.
in some the cells remain together in chain or filaments. eg : Bacteria n Blue green algae.
19) Distinguish b/w Useful n Harmful Fungi.
useful-
1 To prepare Anti-biotics.
2 It helps in fermentation
Harmful -
1 It causes diseases in plants
2 It causes diseases in Animals
20) Name the different types of Algae. (no need of examples)
1 Unicellular Algae
2 Filamentous Algae
3 Colonial Algae
4 Multicellular Algae