National Science Olympiad Forum By SOF Olympiad Trainer - Page 573

User Forum

Subject :NSO    Class : Class 5

Ans 1:

Class : Class 5
First of all, fish, crocodile and snakes, all these three are egg laying animals. Secondly, all of them are cold blooded animals. And thirdly, all of them are covered with scales. And therefore, statements 1, 2 & 3 are correct. That is why option C is correct.

Post Your Answer

Subject :NSO    Class : Class 5

Ans 1:

Class : Class 5

Ans 2:

Class : Class 8
syu

Ans 3:

Class : Class 2

Ans 4:

Class : Class 6
Ans is C because 0 minutes was 20 degrees celsius. Then, we were adding 6 after 2, 4, 6 minutes and so on. 1 is half of 2, and 1+2=3. So we should take normally 26 degrees celsius+(Half of 6) degrees celsius=26 degrees celsius+3 degrees celsius=29 degrees celsius.

Ans 5:

Class : Class 5
got a little confused here but sorted it out

Ans 6:

Class : Class 6
YOYOYOYOOOO

Post Your Answer

Subject :NSO    Class : Class 5

Ans 1:

Class : Class 5
Novosti

Ans 2:

Class : Class 9
urenrjrjkvnm

Ans 3:

Class : Class 5
Novosti

Ans 4:

Class : Class 5
Novosti

Ans 5:

Class : Class 9
Novosti

Ans 6:

Class : Class 6

Ans 7:

Class : Class 5
Fishing rod changes speed of the fish

Ans 8:

Class : Class 7
Novosti

Post Your Answer

Subject :NSO    Class : Class 8

Ans 1:

Class : Class 8

Ans 2:

Class : Class 8

Ans 3:

Class : Class 8
please explain

Ans 4:

Class : Class 10

Ans 5:

Class : Class 4
It should be a

Ans 6:

Class : Class 8
shouldnt it be a

Ans 7: (Master Answer)

Class : Class 1
The correct answer is C.

Post Your Answer

Subject :NSO    Class : Class 6

Ans 1:

Class : Class 8
Answer is A (L) after the instruction the sequence is : N P S I L 4 W R 9 U F 7 S Y And then u get the answer

Ans 2:

Class : Class 8

Post Your Answer

Subject :NSO    Class : Class 4

Ans 1:

Class : Class 6

Ans 2:

Class : Class 4
Option D

Ans 3:

Class : Class 7

Ans 4:

Class : Class 8
its [D]

Ans 5:

Class : Class 8

Ans 6:

Class : Class 4
The correct option is -(D)

Ans 7:

Class : Class 8
its [D]

Ans 8:

Class : Class 8
d

Post Your Answer

Subject :NSO    Class : Class 7

Read the following statements regarding waste-water treatment plant with one or two blanks. Select the option that correctly completes any two statements.
(i) ________ process allows settling of sand in the chambers.
(ii) The solid waste called _______settles down and lighter waste called ________ floats on the surface.
(iii) Secondary treatment involves use of_______.
(iv) ________ and ________ are used in tertiary treatment.

A (ii) sluge, scum; (iii) chemicals
B (iii) grit removal; (iv) chlorine, UV rays
C (ii) scum, sludge; (iii) bacteria
D (i) screening; (iv) aerobic, anaerobic bacteria


What is the answer for the fourth statement?

Ans 1:

Class : Class 8

Ans 2:

Class : Class 9
Sludge settles while scum floats .you are right

Ans 3:

Class : Class 10
CSEDIMENTATIONSCUM.SLUDGE

Ans 4:

Class : Class 10
SCUM,SLUDGE.

Ans 5:

Class : Class 8
SLUDGE IS THE SOLID WASTE

Ans 6:

Class : Class 9
chlorine and UV rays are tertiary treatment

Ans 7:

Class : Class 10
Sludge settles down while scum stays up

Ans 8:

Class : Class 8
good

Ans 9:

Class : Class 8
yeah...sludge settles and scum floats.

Post Your Answer

Subject :NSO    Class : Class 5

Ans 1:

Class : Class 5
D

Ans 2:

Class : Class 5
it is B got it correct

Ans 3:

Class : Class 5
D

Ans 4:

Class : Class 5
Class : its b easy

Ans 5:

Class : Class 5

Ans 6:

Class : Class 5
,bbb,bbb,sing it is bbbb,

Ans 7:

Class : Class 5
It is option C because hair and spines are different

Post Your Answer

Subject :NSO    Class : Class 5

Ans 1:

Class : Class 6
a.y

Ans 2:

Class : Class 9
Frogs breathe through gills when they are small and through lungs when adult.Then, how can frogs breathe through their skin and are "Y"

Ans 3:

Class : Class 7

Ans 4:

Class : Class 7
Mind your language Pankaj Rajput

Ans 5:

Class : Class 9
NO

Ans 6:

Class : Class 6
A

Ans 7:

Class : Class 6
a.y

Ans 8:

Class : Class 7
LLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLL

Ans 9:

Class : Class 7
the correct answer is a

Ans 10:

Class : Class 4
fuck

Ans 11:

Class : Class 8
The correct answer is A because an adult frog breathes through both lungs and skin .

Ans 12:

Class : Class 5
AA

Post Your Answer

Subject :NSO    Class : Class 9



Select the incorrect statement regarding this.

APlants require nitrogen mainly in the form of nitrate, which is exported from roots to shoots, reconverted to ammonium and assimilated as amino acid.
BRhizobia, cyanobacteria, nitrifying bacteria, symbiotic fungi, etc are used as biofertilizers.
CRhizobium bacteria produce N2 fixing root nodules in leguminous plants and thus help in replenishing nutrients in crop fields.
DMaterials of biological origin which are commonly used to maintain and improve soil fertility are green manures, biofertilizers and bioinsecticides.


Ans 1:

Class : Class 8
D

Ans 2:

Class : Class 8
B

Post Your Answer