Question

TC.
Std. IX
I. Choose the correct answer from the four options given below.%x4=2
1. The chemical symbol of nitrogen element is
a) K 6N c) Na
d) Ni
2. Cellular level of organisation is found in
a) Porifera b) Mollusa c) Platyhelminthes d) Anthropoda
3. A man of mass 60kg, holding a stone mass of 10kg for 10 minute
on his head. Then work done by him is
ewa) 600 b) 100J .c)60J d) OJ
4. Which one of the following is not important for individual health
a) living in clean space
b) social equality and harmony
c) Good economic condition
d) living in a large and well furnished house
I Match the following with the phylum which they belong to./2)
silver fish Brols i) Echinodermata
sea horse ii) Arthropoda
star fish
iii) Coelenterata
Jelly fish
iv) Porifera
v) Pisces​

Answer 1

Answer:

pisces is your correct answer

Answer 2

Answer:

1.N

2.porifera

3.60j

4.living in a large and well furnished house