Class 10 practice paper

Class 10th Science Chapter 09 Heredity and Evolution

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  Class 10 Science Notes Hello friends this article's for the class 10 Science Notes for all the time of the day and night at regards to your goals for all examination of the class 10 Science Notes This notes and to-dos on the class 10 practice session for the exams. To prepare the best education and practice questions about the exams are provided for educational purposes only the best education Zone provides the best possible way of life   Class 10    Science Notes 09 Heredity and Evolution 1. The transmission of characters from parent to their off springs is known as heredity. • The study of heredity and variations is known as genetics. • Clones are those organisms which are the carbon copies of one another. • Variation in sexually reproducing organisms are caused due to the following factors like environment, crossing over and recombination of genes and mutation. • The first study of inheritance was done by Gregor Mendel on garden pea. • Paired condition
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CLASS 10th OBJECTIVE PRACTICE QUESTIONS

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Hello friends this article's for the class 10th 1 mark questions for Very very short questions...

 Any student's appearing for Class 10 Board Exams must have finished the entire syllabus and started their revision. At this point, practicing CBSE Sample Papers for Class 10 is of utmost importance. This will help students get an idea about the nature of the board exam and the type of questions asked in it. They will also understand their level of preparation. Based on that, they can decide their preparation strategy to improve.

All examination questions are asked from ncert books and example.....

 Class 10th objective questions are here:_
Each question are 1 mark

 ★. EACH QUESTIONS ARE 1 MARK ★ 

 Q1. If x=3 is one root of the quadratic equation . X2-kx-
6 = 0,then find the value of k.

 Q2 What is the HCF of smallest prime number and the smallest composite number?

 Q3 Find the distance of a point P(x ,y ) from the origin.

 Q4 In an AP, if the common difference (d) = −4, and . 
term (a7) is 4,then find the first term.

 Q5 Find the value of (cos2 67° − sin2 23°)?
Q6 What is the common difference of an A. in which . a21- a7= 84 ?
Q7. If a tower 30 m high, casts a shadow 10√3m long 
on the ground, then what is the angle of elevation of 
the sun?
Q8 the quadratic equation px2– 2√5px + 15 = 0 has 
two equal roots then find the value of p
Q9. Find the value(s) of x, if the distance between the 
points A(0, 0) and B(x, – 4) is 5 units.
Q10 find the sum of first 10 multiples of 6.

 Q11 Find the value of a, for which point P (a/3, 2) is 
mid-point of the line segment joining the points. Q(-

 5,4) and R(-1,0).
Class 10


 Q12 Find the distance between the points (a, b) and (–a, –b)
Q13. Find the number of terms in the A.P.: 18, 31÷2. 
,13,..., 47.
Q14 HCF of two numbers a and b is 5 and their LCM is 
200. Find the product ab
Q15 If sin x + cos y = 1; x = 30° and y is an acute 
angle, find the value of y.
Q16 The area of two similar triangles are 25 sq. cm 
and 121 sq. cm. Find the ratio of their corresponding side
Q17 For what value of k will k+9,2k-1 and 2k+7 are The consecutive terms of an A.P
Q18. If x = a, y = b is the solution of the pair of 
equations x – y = 2 and x + y = 4, find the values of a 
and b.
Q19. If three different coins are tossed together, then 
find the probability of getting two heads.
Q20 A bag contains 3 red and 5 black balls. A ball is 
drawn. at random from the bag. What is the probability 

 that the drawn ball is not red ?

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