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Aakarshak Swaraj from Podar international school , Surat , Surat
Subject :NSO    Class : Class 8

The given diagram shows many sperms near an egg. Which of the following statements about reproduction in animals are incorrect?

i Sperms are produced by male animals.
ii Usually, one egg is fertilized by many sperms.
iii After fertilization, the egg will grow and develop into young animal.
iv Fertilization always takes place while the egg is still inside the body of the female animals.

A i only
B ii and iv
C iii and iv
D i, ii and iii


i think the answer of this question is wrong.

Ans 1:

Ethel shiju from National Public School Indiranagar, Bangalore
Class : Class 9
Option b

Ans 2:

Aakarshak Swaraj from Podar international school , Surat , Surat
Class : Class 7
but how the answer is option(b).Please explain

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Anaadya from Arsha Vidya Mandir, Chennai
Subject :NSO    Class : Class 3

Ans 1:

saisavit from sri kumaran ps, bangalore
Class : Class 3
tough

Ans 2:

Ashwak from Cambridge International School, Saudi Al Dera
Class : Class 7
The answer is C because the rule is followed -[ 7 - 6 ] [ 9 - 6 ] = 1 3 = 4[ 8 - 5 ] [ 9 - 2 ] = 3 7 = 10 [ 6 - 3 ] [ 5 - 4 ] = 3 1 = 4

Ans 3:

Sanyam Gupta from DPS Noida, Noida
Class : Class 3
I am Sanyam Gupta This Question was very Interesting THANK YOU $$

Ans 4:

Goklani Harsh Hemantkumar from SABARI VIDYA PEEDOM, BHARUCH
Class : Class 5
please provide justification

Ans 5:

Aayan Choudhry from Yuvabharthi international school, Singapore
Class : Class 3
Anyone knows how s the solution determined?

Ans 6:

Vivaan Purwar from dpsnoida, Noida
Class : Class 3
tough question

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Sumit G from Greenwood High International, Bengaluru
Subject :NSO    Class : Class 6

Ans 1:

Ojas Patil from Vikhe Patil Memorial School Pune, Pune
Class : Class 7
d

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RONIK PATRA from RAHUL INTERNATIONAL SCHOOL, PALGHAR MUMBAI
Subject :NSO    Class : Class 3

Ans 1:

AARAVPRADEEP SAHU from PADMASESHADRI BALBHAVAN SENIOR SECONDARY SCHOOL, CHENNAI
Class : Class 3
corrwct yeeeee!!

Ans 2:

AARAVPRADEEP SAHU from PADMASESHADRI BALBHAVAN SENIOR SECONDARY SCHOOL, CHENNAI
Class : Class 3

Ans 3:

MAYANK from Jain Public School, REWARI
Class : Class 5
d

Ans 4:

Pankaj Rajput from RBK GLOBAL SCHOOL, THANE
Class : Class 4
NOOOOOOOOOOO!!!!!!!!!!!!!!!!!!!!!!!! i DONT BElive

Ans 5:

Soumyajit Das from Hariyana Vidya Mandir, NORTH 24 PARGANAS
Class : Class 3
Pankaj, why are you telling no . It should option 'd'.

Ans 6:

nirvi pal from jasudben ML School, mumbai
Class : Class 3

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Shreya Mangesh Patwardhan from City International school Satara road branch, PUNE
Subject :NSO    Class : Class 8

Ans 1:

ARAVINDAN MANIKANDAN from NPS INternational, Singapore
Class : Class 8
Then option A should also be correct as it talks about fermentation

Ans 2:

B Krithika sulochana from Devi Academy senior secondary school, Chennai
Class : Class 8
Option C is the correct answer because yeast causes fermentation .Fermentation is an anaerobic process. In this process yeast converts sugar into alcohol and carbon dioxide. Lime water turns milky indicating the presence of carbon dioxide.

Ans 3:

Ethel shiju from National Public School Indiranagar, Bangalore
Class : Class 9
Option a is wrong because yeast does not convert sugar into lactic acid.

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tanishka Bondhare from Saraswati international school , Hingoli
Subject :NSO    Class : Class 8

Ans 1:

Ethel shiju from National Public School Indiranagar, Bangalore
Class : Class 9
A vector diagram is a diagram which shows both direction and magnitude....hope you found it helpful!

Ans 2:

Zainab from St. Mary's Convent Inter College, Lucknow
Class : Class 8
A

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Swarnava Pal from Vivekananda Mission School, Haldia
Subject :NSO    Class : Class 3

Ans 1:

vighneshwar from study hall, Lucknow
Class : Class 5
a

Ans 2:

Rishabh Bhalgat from Vibgyor Yerwada, Pune
Class : Class 2

Ans 3:

Darshil Rath from Sai International School , Bhubaneswar
Class : Class 4
Ans-d because if it is not scarce the house will flow away.

Ans 4:

Mohinder singh from Sacred heart convent school, Ludhiana
Class : Class 7
My answer was D but it changed itself as C

Ans 5:

Sidharth from Vibgyor , Navi Mumbai
Class : Class 3

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anwesha from v s n, midnapore
Subject :NSO    Class : Class 8

Read the given statements and select the correct option.
Statement-1 : A horse has to pull a cart harder during the first few steps of his motion.
Statement-2 : The first steps are always difficult.

A Both statements-1 and 2 are true and statement-2 is the correct explanation of statement-1.
B Both statements-1 and 2 are true but statement-2 is not the correct explanation of statement-1.
C Statement-1 is true and statement-2 is false.
D Both statements-1 and 2 are false.


Ans 1:

Shreya Mangesh Patwardhan from City International school Satara road branch, PUNE
Class : Class 10
as static friction is always more than sliding friction and horse experiences static friction during its first steps.therefore option [A] is correct.

Ans 2:

Chaitanya L K from SKCHEC, bangalore
Class : Class 8
Yes A is correct

Ans 3:

Abhinav from nesss, vadodara
Class : Class 10

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Vimala from Narayana, Bangalore
Subject :NSO    Class : Class 4

Ans 1:

Aarush from Podar, Mumbai
Class : Class 7
why dont you tell it yourself

Ans 2:

Aarush from Podar, Mumbai
Class : Class 7
why dont you tell it yourself

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Vimala from Narayana, Bangalore
Subject :NSO    Class : Class 4

Ans 1: (Master Answer)

Admin from revisewise, Noida
Class : Class 1
The correct answer is B.

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