NSTSE Sample Paper Solutions Class 4

UNIFIED COUNCIL A n I S O 9 0 0 1 : 2008 C e r t i f i e d O r g a n i s a t i o n Test Assess Achieve NATIONAL LEVEL SCIENCE TALENT SEARCH EXAMINATION Solutions for Class : 4 MATHEMATICS 67. (C) Oxygen is given out of the leaf during photosynthesis. Carbon dioxide is taken 13. (A) Option (A) could be the three pieces of in and glucose is made in leaves and the cube wen it is separated into three transported to other parts of plant. The pieces. arrow marks should be pointed away 15. (D) Breadth of the rectangle = 40 cm from leaf and not towards theleaf Length = 3 × breadth = (3 × 40) m = 120 m CRITICAL THINKING  Perimeter = 2(l + b) = 2(40 + 120) 57. (A) = 2 × 160 = 320 mts. 29. (C) Only shape Z has a square shaped face. 58. (B) 60. (D) 59. (A) 60. (D) 31. (C) The word DAD given in option (C), is not symmetrical along the dotted line. 34. (C) Total number of students = 120 + 120 + 80 + 180 = 500 No. of students who scored less than 70 marks = 120 + 120 = 240 240 12  The required fraction = = 500 25 GENERAL SCIENCE 69. (B) The given plants are classified based on habit is xerophytes or desert plants. 72. (C) Solar energy Electrical energy Light energy. 89. (C) Fish is rich in iodine. Iodine prevents the risk of giotre. 51. (B) Figure in Option (B) shows pushing force. website : www.unifiedcouncil.com 1