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Page 1 T i m e : 2 . 3 0 H r s . | M M : 5 0 G e n e r a l I n s t r u c t i o n s : 1 . A l l t h e q u e s t i o n s a r e c o m p u l s o r y . 2 . P l e a s e w r i t e d o w n t h e s e r i a l n u m b e r o f t h e q u e s t i o n b e f o r e a t t e m p t i n g i t . 3 . T h e q u e s t i o n p a p e r c o n s i s t s o f 2 0 q u e s t i o n s a n d i t i s d i v i d e d i n t o f o u r s e c t i o n s A , B , C , a n d D . 4 . S e c t i o n A c o m p r i s e s o f 5 q u e s t i o n s c a r r y i n g 1 m a r k e a c h . 5 . S e c t i o n B c o m p r i s e s o f 6 q u e s t i o n s c a r r y i n g 2 m a r k s e a c h . 6 . S e c t i o n C c o m p r i s e s o f 6 q u e s t i o n s c a r r y i n g 3 m a r k s e a c h . 7 . S e c t i o n D c o m p r i s e s o f 3 q u e s t i o n s c a r r y i n g 5 m a r k s e a c h . 8 . T h e r e i s n o o v e r a l l c h o i c e . H o w e v e r , a n i n t e r n a l c h o i c e h a s b e e n p r o v i d e d i n 1 q u e s t i o n o f 2 m a r k s a n d 1 q u e s t i o n o f 5 m a r k s e a c h . S E C T I O N ' A ' 1 . O u r b o d y i s a g o o d / b a d c o n d u c t o r o f e l e c t r i c i t y . C h o o s e t h e c o r r e c t o p t i o n . 2 . W h a t i s t h e b a s i c u n i t o f t i m e ? 3 . W r i t e o n e n a t u r a l i n d i c a t o r f o r t e s t i n g a c i d a n d b a s e . 4 . D r a w a s i n g l e p e n d u l u m m o v i n g b e t w e e n t w o p o i n t s A a n d B . 5 . ‘ L i t m u s i s a n a t u r a l i n d i c a t o r , ’ W h a t i s i t s s o u r c e ? S E C T I O N ' B ' 6 . S t a t e w h e t h e r t h e f o l l o w i n g s t a t e m e n t s a r e t r u e o r f a l s e : a . A n o b j e c t c a n b e s e e n o n l y i f t h e r e i s l i g h t . b . A c o n v e x l e n s a l w a y s p r o d u c e s a r e a l i m a g e . 7 . D r a w t h e c i r c u i t d i a g r a m t o r e p r e s e n t t h e b u l b g l o w i n g u s i n g b a t t e r y a n d s w i t c h . 8 . F i l l i n t h e b l a n k s : ( B a t t e r y , F u s e , C h e m i c a l ) Page 2 T i m e : 2 . 3 0 H r s . | M M : 5 0 G e n e r a l I n s t r u c t i o n s : 1 . A l l t h e q u e s t i o n s a r e c o m p u l s o r y . 2 . P l e a s e w r i t e d o w n t h e s e r i a l n u m b e r o f t h e q u e s t i o n b e f o r e a t t e m p t i n g i t . 3 . T h e q u e s t i o n p a p e r c o n s i s t s o f 2 0 q u e s t i o n s a n d i t i s d i v i d e d i n t o f o u r s e c t i o n s A , B , C , a n d D . 4 . S e c t i o n A c o m p r i s e s o f 5 q u e s t i o n s c a r r y i n g 1 m a r k e a c h . 5 . S e c t i o n B c o m p r i s e s o f 6 q u e s t i o n s c a r r y i n g 2 m a r k s e a c h . 6 . S e c t i o n C c o m p r i s e s o f 6 q u e s t i o n s c a r r y i n g 3 m a r k s e a c h . 7 . S e c t i o n D c o m p r i s e s o f 3 q u e s t i o n s c a r r y i n g 5 m a r k s e a c h . 8 . T h e r e i s n o o v e r a l l c h o i c e . H o w e v e r , a n i n t e r n a l c h o i c e h a s b e e n p r o v i d e d i n 1 q u e s t i o n o f 2 m a r k s a n d 1 q u e s t i o n o f 5 m a r k s e a c h . S E C T I O N ' A ' 1 . O u r b o d y i s a g o o d / b a d c o n d u c t o r o f e l e c t r i c i t y . C h o o s e t h e c o r r e c t o p t i o n . 2 . W h a t i s t h e b a s i c u n i t o f t i m e ? 3 . W r i t e o n e n a t u r a l i n d i c a t o r f o r t e s t i n g a c i d a n d b a s e . 4 . D r a w a s i n g l e p e n d u l u m m o v i n g b e t w e e n t w o p o i n t s A a n d B . 5 . ‘ L i t m u s i s a n a t u r a l i n d i c a t o r , ’ W h a t i s i t s s o u r c e ? S E C T I O N ' B ' 6 . S t a t e w h e t h e r t h e f o l l o w i n g s t a t e m e n t s a r e t r u e o r f a l s e : a . A n o b j e c t c a n b e s e e n o n l y i f t h e r e i s l i g h t . b . A c o n v e x l e n s a l w a y s p r o d u c e s a r e a l i m a g e . 7 . D r a w t h e c i r c u i t d i a g r a m t o r e p r e s e n t t h e b u l b g l o w i n g u s i n g b a t t e r y a n d s w i t c h . 8 . F i l l i n t h e b l a n k s : ( B a t t e r y , F u s e , C h e m i c a l ) 1 . . . . . . . . . . . . . . . . . . . i s a s a f e t y d e v i c e t o p r e v e n t d a m a g e t o e l e c t r i c a l c i r c u i t s 2 . A n e l e c t r i c c e l l p r o d u c e s e l e c t r i c i t y f r o m t h e . . . . . . . . . . . . . . . . . . . i n i t . 9 . W r i t e t w o u s e s o f e l e c t r o m a g n e t . 1 0 . I f K r i s h c o v e r s a c e r t a i n d i s t a n c e i n o n e h o u r a n d D i k s h a c o v e r s t h e s a m e d i s t a n c e i n t w o h o u r s , w h o t r a v e l s i n a h i g h e r s p e e d a n d w h y ? 1 1 . S t a t e 1 m a i n d i f f e r e n c e b e t w e e n a s e x u a l & s e x u a l r e p r o d u c t i o n . G i v e 1 e x a m p l e o f e a c h . S E C T I O N ' C ' 1 2 . W h a t t y p e o f m i r r o r i s u s e d a s a s i d e m i r r o r i n s c o o t e r s ? D r a w i t s s c h e m a t i c d i a g r a m . 1 3 . T r u e o r F a l s e : a . A n e l e c t r i c b e l l h a s a n e l e c t r o m a g n e t . b . A n e l e c t r o m a g n e t d o e s n o t a t t r a c t a p i e c e o f i r o n . c . C o m b i n a t i o n o f t w o o r m o r e c e l l s i s c a l l e d a b a t t e r y . 1 4 . D r a w a d i g i t a l c l o c k a n d a w a l l c l o c k w i t h m i n u t e , h o u r a n d s e c o n d h a n d s s h o w i n g t h e t i m e 8 : 0 0 a m . 1 5 . S k e t c h t h e r e p r o d u c t i v e p a r t s o f a f l o w e r s h o w i n g : a . A n t h e r b . S t i g m a c . O v a r y 1 6 . R e e m a m o v e s f r o m A t o C a l o n g a r e c t a n g u l a r p a r k . H o w m u c h d i s t a n c e s s h e h a s c o v e r e d ? 1 7 . W h a t w i l l b e t h e e x p e c t e d c o l o u r , w h e n a p i e c e o f r e d l i t m u s p a p e r i s d r o p p e d i n e a c h t e s t t u b e A , B , a n d C ? Page 3 T i m e : 2 . 3 0 H r s . | M M : 5 0 G e n e r a l I n s t r u c t i o n s : 1 . A l l t h e q u e s t i o n s a r e c o m p u l s o r y . 2 . P l e a s e w r i t e d o w n t h e s e r i a l n u m b e r o f t h e q u e s t i o n b e f o r e a t t e m p t i n g i t . 3 . T h e q u e s t i o n p a p e r c o n s i s t s o f 2 0 q u e s t i o n s a n d i t i s d i v i d e d i n t o f o u r s e c t i o n s A , B , C , a n d D . 4 . S e c t i o n A c o m p r i s e s o f 5 q u e s t i o n s c a r r y i n g 1 m a r k e a c h . 5 . S e c t i o n B c o m p r i s e s o f 6 q u e s t i o n s c a r r y i n g 2 m a r k s e a c h . 6 . S e c t i o n C c o m p r i s e s o f 6 q u e s t i o n s c a r r y i n g 3 m a r k s e a c h . 7 . S e c t i o n D c o m p r i s e s o f 3 q u e s t i o n s c a r r y i n g 5 m a r k s e a c h . 8 . T h e r e i s n o o v e r a l l c h o i c e . H o w e v e r , a n i n t e r n a l c h o i c e h a s b e e n p r o v i d e d i n 1 q u e s t i o n o f 2 m a r k s a n d 1 q u e s t i o n o f 5 m a r k s e a c h . S E C T I O N ' A ' 1 . O u r b o d y i s a g o o d / b a d c o n d u c t o r o f e l e c t r i c i t y . C h o o s e t h e c o r r e c t o p t i o n . 2 . W h a t i s t h e b a s i c u n i t o f t i m e ? 3 . W r i t e o n e n a t u r a l i n d i c a t o r f o r t e s t i n g a c i d a n d b a s e . 4 . D r a w a s i n g l e p e n d u l u m m o v i n g b e t w e e n t w o p o i n t s A a n d B . 5 . ‘ L i t m u s i s a n a t u r a l i n d i c a t o r , ’ W h a t i s i t s s o u r c e ? S E C T I O N ' B ' 6 . S t a t e w h e t h e r t h e f o l l o w i n g s t a t e m e n t s a r e t r u e o r f a l s e : a . A n o b j e c t c a n b e s e e n o n l y i f t h e r e i s l i g h t . b . A c o n v e x l e n s a l w a y s p r o d u c e s a r e a l i m a g e . 7 . D r a w t h e c i r c u i t d i a g r a m t o r e p r e s e n t t h e b u l b g l o w i n g u s i n g b a t t e r y a n d s w i t c h . 8 . F i l l i n t h e b l a n k s : ( B a t t e r y , F u s e , C h e m i c a l ) 1 . . . . . . . . . . . . . . . . . . . i s a s a f e t y d e v i c e t o p r e v e n t d a m a g e t o e l e c t r i c a l c i r c u i t s 2 . A n e l e c t r i c c e l l p r o d u c e s e l e c t r i c i t y f r o m t h e . . . . . . . . . . . . . . . . . . . i n i t . 9 . W r i t e t w o u s e s o f e l e c t r o m a g n e t . 1 0 . I f K r i s h c o v e r s a c e r t a i n d i s t a n c e i n o n e h o u r a n d D i k s h a c o v e r s t h e s a m e d i s t a n c e i n t w o h o u r s , w h o t r a v e l s i n a h i g h e r s p e e d a n d w h y ? 1 1 . S t a t e 1 m a i n d i f f e r e n c e b e t w e e n a s e x u a l & s e x u a l r e p r o d u c t i o n . G i v e 1 e x a m p l e o f e a c h . S E C T I O N ' C ' 1 2 . W h a t t y p e o f m i r r o r i s u s e d a s a s i d e m i r r o r i n s c o o t e r s ? D r a w i t s s c h e m a t i c d i a g r a m . 1 3 . T r u e o r F a l s e : a . A n e l e c t r i c b e l l h a s a n e l e c t r o m a g n e t . b . A n e l e c t r o m a g n e t d o e s n o t a t t r a c t a p i e c e o f i r o n . c . C o m b i n a t i o n o f t w o o r m o r e c e l l s i s c a l l e d a b a t t e r y . 1 4 . D r a w a d i g i t a l c l o c k a n d a w a l l c l o c k w i t h m i n u t e , h o u r a n d s e c o n d h a n d s s h o w i n g t h e t i m e 8 : 0 0 a m . 1 5 . S k e t c h t h e r e p r o d u c t i v e p a r t s o f a f l o w e r s h o w i n g : a . A n t h e r b . S t i g m a c . O v a r y 1 6 . R e e m a m o v e s f r o m A t o C a l o n g a r e c t a n g u l a r p a r k . H o w m u c h d i s t a n c e s s h e h a s c o v e r e d ? 1 7 . W h a t w i l l b e t h e e x p e c t e d c o l o u r , w h e n a p i e c e o f r e d l i t m u s p a p e r i s d r o p p e d i n e a c h t e s t t u b e A , B , a n d C ? 1 8 . a . A t m e t r o s t a t i o n , t h e r e i s a m i r r o r w h i c h g i v e s a m a x i m u m v i e w o f t h e s t a t i o n . W h a t t y p e o f m i r r o r i s t h a t ? G i v e r e a s o n . b . N a m e l e n s s h o w n i n t h e f i g u r e . 1 9 . N a m e t h e v a r i o u s w a y s b y w h i c h s e e d s a r e d i s p e r s e d w i t h o n e e x a m p l e o f a n y o f t h e t w o o f t h e s e . 2 0 . A n s w e r t h e f o l l o w i n g q u e s t i o n s : a . N a m e a n e d i b l e s u b s t a n c e w h i c h c o n t a i n s a c i d . b . A s o l u t i o n w h i c h c h a n g e s t h e c o l o u r o f t u r m e r i c i n d i c a t o r f r o m y e l l o w t o r e d i s - a c i d i c / b a s i c / n e u t r a l . ( C h o o s e t h e c o r r e c t o n e . ) c . W h a t i s t h e t a s t e o f t h e s u b s t a n c e s w h i c h a r e b a s i c ? d . W h e n a c i d i s m i x e d w i t h b a s e , w h i c h s u b s t a n c e s a r e f o r m e d ? e . N a m e t h e a c i d p r e s e n t i n c u r d . O R C o m p l e t e t h e f o l l o w i n g t a b l e : N a m e o f a c i d F o u n d i n ( a ) . . . . . . . . . . . . . . . . . . . . C u r d ( b ) A c e t i c . . . . . . . . . . . . . . . . . . . . ( c ) . . . . . . . . . . . . . . . . . . . . . O r a n g e s ( d ) . . . . . . . . . . . . . . . . . . . . G r a p e s ( e ) F o r m i c a c i d . . . . . . . . . . . . . . . . . . . .Read More
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FAQs on Class 7 Science: CBSE Past Year Paper - 3 - Science Class 7
| 1. What are the benefits of studying past year papers for the CBSE Class 7 Science exam? |  |
Ans. Studying past year papers helps students familiarize themselves with the exam pattern, understand the types of questions asked, and identify important topics. It also provides an opportunity to practice time management and improve problem-solving skills.
| 2. How can I effectively utilize CBSE Class 7 Science past year papers for exam preparation? | |
Ans. To effectively utilize past year papers, start by solving them under exam-like conditions to assess your knowledge and identify weak areas. Analyze the solutions and evaluate your performance. Focus on understanding the concepts behind the questions and revise accordingly. Repeat this process multiple times to enhance your preparation.
| 3. Are the questions in CBSE Class 7 Science past year papers repeated in the actual exam? | |
Ans. While the exact questions may not be repeated, studying past year papers gives students an idea of the question pattern, important topics, and the level of difficulty. This enables them to prepare more effectively and boosts their confidence for the actual exam.
| 4. How can I access CBSE Class 7 Science past year papers? | |
Ans. CBSE Class 7 Science past year papers can be accessed through various sources. They can be downloaded from official CBSE websites, purchased from bookstores, or found in online educational platforms. Additionally, schools may provide students with past year papers as study material.
| 5. Are there any specific strategies or tips for solving CBSE Class 7 Science past year papers? | |
Ans. Yes, some strategies can help optimize your performance while solving past year papers. Start by reading the questions carefully and understand what is being asked. Prioritize answering easy questions first and allocate time accordingly. Manage your time effectively and avoid getting stuck on difficult questions. Finally, review your answers before submitting to spot any errors or omissions.
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