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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 7

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Subject :NSO    Class : Class 4

Ans 1:

Class : Class 6
its [D]

Ans 2:

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

Ans 3:

Class : Class 4
d

Ans 4:

Class : Class 5
its [D]

Ans 5:

Class : Class 7

Ans 6:

Class : Class 5

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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
Sludge settles down while scum stays up

Ans 2:

Class : Class 9
chlorine and UV rays are tertiary treatment

Ans 3:

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

Ans 4:

Class : Class 8
good

Ans 5:

Class : Class 7
SCUM,SLUDGE.

Ans 6:

Class : Class 7
CSEDIMENTATIONSCUM.SLUDGE

Ans 7:

Class : Class 8

Ans 8:

Class : Class 8
SLUDGE IS THE SOLID WASTE

Ans 9:

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

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Subject :NSO    Class : Class 5

Ans 1:

Class : Class 5
Class : its b easy

Ans 2:

Class : Class 5

Ans 3:

Class : Class 5
D

Ans 4:

Class : Class 5
D

Ans 5:

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

Ans 6:

Class : Class 5
it is B got it correct

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Subject :NSO    Class : Class 5

Ans 1:

Class : Class 5
AA

Ans 2:

Class : Class 4
fuck

Ans 3:

Class : Class 7
LLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLL

Ans 4:

Class : Class 6
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 5:

Class : Class 6
NO

Ans 6:

Class : Class 7

Ans 7:

Class : Class 6
a.y

Ans 8:

Class : Class 6
A

Ans 9:

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

Ans 10:

Class : Class 6
a.y

Ans 11:

Class : Class 7
the correct answer is a

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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
B

Ans 2:

Class : Class 8
D

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Subject :NSO    Class : Class 6

Ans 1:

Class : Class 6
Answer should be c. It cannot be A as the motion of moon around earth is not rotational. it is circular

Ans 2:

Class : Class 6
first thing , both option 1 and 3 have oone mistakein option a - a fan moving is wrong as it is circulatoryin option c - to and fro movement of swing is wrong as the swing may not swing at the same angle every timeDear,SOF , do not go mad!!!!!!!!!there are better trainers than you like- olympiad helper, olympiad succes, online test series (allen)so do not be proud

Ans 3:

Class : Class 6
answer should be A as to and fro motion of a swing is not periodic motion

Ans 4:

Class : Class 7

Ans 5:

Class : Class 6
the answer would be C as the hands of the clock shows rotational and periodic motion whereas the table top shows only rotational motion

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Subject :NSO    Class : Class 4

Ans 1:

Class : Class 1
Should this be D...summer

Ans 2:

Class : Class 4
https://www.sofolympiadtrainer.com/forum/user/467395 After Holi summer comes so it should be D; i.e.summer

Ans 3:

Class : Class 4
After Holi summer comes so it should be D;i.e.summer

Ans 4:

Class : Class 2
the correct answer is C.

Ans 5:

Class : Class 4
Ans D is correct as spring starts in early February and holy comes in march almost after a month and in March it get's really hot so the and should be D summer

Ans 6:

Class : Class 6

Ans 7:

Class : Class 5
holi comes in March and spring starts from 2nd month that is feb. ans 3 is correct

Ans 8:

Class : Class 5
holi is on 28th march so why is holi not the marks of summer season coming?can someone explain it pls

Ans 9:

Class : Class 5

Ans 10: (Master Answer)

Class : Class 1
The correct answer is C.

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Subject :NSO    Class : Class 5

Ans 1:

Class : Class 6
b.50 minutes

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Subject :NSO    Class : Class 7

Ans 1:

Class : Class 5
ans: b

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