send class 9 science final exam questions paper
Answers
Refer the attachment.
Some more questions which are not able to be send, :-
Chemistry :-
1) Write the electronic configuration of given elements in term of K, L, M and N shell (2 marks)
a) Sodium
b) Silicon
2) Define with example (3 marks)
a) Atomic number
b) Isotopes
c) Isobars.
Biology :-
1) Which type of WBCs are present in blood as well as in lymph? (1 mark)
2) Give one example of diseases :-(3 marks)
a) that spread by air
b) spread by water
c) spread by insects
3) Give one example of kharif and Rabi crops (1 mks)
4) What is nitrogen fixation? Why do plants need fixed nitrogen? (3 mks)
5) How are pteridophytes different from phanerogams? (2 mks)
6) What will happen if :- (3 mks)
a) Bone marrow is destroyed
b) Apical meristem is damaged or cut
c) Lymph is not returned to blood
7) Write Similarity between (3 mks)
a) Amphibians and Reptilia
b) Birds and Mammals
c) Arthropods and Annelida.
8) Who discovered vaccine for the first time? (1.5 mks)
9) What is an antibiotic give two examples (1.5 mks)
10) Name any two greenhouse gases (1.5 mks)
11) Cause of global warming (1.5 mks)
12) Diagram of Mitochondria/Chloroplast (2 mks)
