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Navya Ojal from Mpv Mysore, Mysore
Subject :NSO    Class : Class 4

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Asmita Bhowmick from Delhi Public School Vadodara, Vadodara
Subject :NSO    Class : Class 8

In which of the following agricultural setups, the nutrient needs of one crop are fulfilled by the other crop?


A
B
C
D


here,groundnut soyabeans and wheat all are legumes which have nodules at their roots for rhizobium bacteria, which fixes atmospheric N2 --->nitrates.so, only rice crop's requiremnts need to be fulffilled by any of the other crops.So,the correct diagram must show rice and any one other crop(because the question reads "other crop" not crops)So ideally,D should be the correct option. How is C right boggles me.

Ans 1:

Satvik Mehta from St Andrews school Bowenpally, Secunderabad
Class : Class 3
It should be a

Ans 2:

Shailja from The Pentecostal assembly school, Bokaro
Class : Class 8

Ans 3:

keosha jain from saint francis convent intercollege , jhansi
Class : Class 8
please explain

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from , Dehradun
Subject :NSO    Class : Class 6

Read the following statements (i) - (v), each with one or two blanks.

(i) (A) have liquid skeletons.
(ii) The last (B) pairs of ribcage bones that are not joined to the breast bone are called (C).
(iii) The longest bone of human body is (D).
(iv) (E) is strong, flexible band that holds bones together at the joints.
(v) (F) is a smooth elastic tissue that covers and protects the ends of long bones at the joints.
Which of the following options correctly fills any two of these blanks?

A (A)-Earthworm, (D)-Humerus
B (E)-Ligament, (f)-Cartilage
C (B)-Four, (C)-Floating ribs
D (E)-Tendon, (f)-Ligament


B

Ans 1:

Jyoti Khare from manipal public school, Lucknow
Class : Class 6
The correct answer is option B . Clearly , the ligaments hold the bones together at joints and cartilage acts as a cushion that acts as a shock absorbent .

Ans 2:

Jyoti Khare from manipal public school, Lucknow
Class : Class 6

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SANVI from D PS VADODARA, Vadodara
Subject :NSO    Class : Class 7

The polar bear has some adaptive features to live in extremely cold climate of polar regions.
Some are given in the box.

Select the correct adaptation values of the features P, Q and R from the following:
(i) Helps in catching the prey
(ii) Helps in high speed running
(iii) Insulates the body
(iv) Makes it a good swimmer
(v) Reduces heat loss
(vi) Makes it walk on snow easily
(vii) Sensitive hearing

A P → (v), Q → (vii), R → (ii)
B P → (iv), Q → (iii), R → (i)
C P → (iii), Q → (v), R → (vi)
D P → (iii), Q → (i), R → (ii)


I have a question, how can small ears help in reducing heat loss?

Ans 1:

Pratyay Sarkar from South Point High School, Kolkata
Class : Class 7
Small ears have less blood vessels. Blood vessels help radiate heat from the body. So less blood vessels in the small ears help reduce heat loss.

Ans 2:

Pratyay Sarkar from South Point High School, Kolkata
Class : Class 7
P-(iii),Q-(v),R-(vi)

Ans 3:

Arnav from Gyan Bharati School, New Delhi
Class : Class 7
Big ears will have a comparatively more blood supply. So it will have more heat loss also.

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Ishaan Das Roy from Sri Chaitanya Techno School, Bengaluru
Subject :NSO    Class : Class 7

Ans 1:

UTKARSH SAWARN from AIR FORCE SCHAOOL AMBALA CANTT, AMBALA CANTT
Class : Class 8
A OPTION

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Tanmaya Sreenath from KIDZEE OXFORD BLOOM SCHOOL, KARAIKAL
Subject :NSO    Class : Class 3

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KSHITIJ BHATIA from St Francis De Sales, New Delhi
Subject :NSO    Class : Class 4

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UTKARSH SAWARN from AIR FORCE SCHAOOL AMBALA CANTT, AMBALA CANTT
Subject :NSO    Class : Class 7

Ans 1:

Prajith Kumaran from RCIS, Bangalore
Class : Class 7

Ans 2:

Gauri Chaturvedi from St Josephs Convent, Jabalpur
Class : Class 7
Answer is B

Ans 3:

MASTER UTSAV BHATTACHARYA from THE EMERALD HEIGHTS INTERNATIONAL SCHOOL, INDORE
Class : Class 7

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Ishaan Das Roy from Sri Chaitanya Techno School, Bengaluru
Subject :NSO    Class : Class 7

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Ishaan Das Roy from Sri Chaitanya Techno School, Bengaluru
Subject :NSO    Class : Class 7

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