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List two functions performed by a) ovaries in a human female b) Fallopian tube
Is the chromosome no. of a zygote always constant? explain how?
Difference between a zygote and an embryo.
Difference between a zygote and a gamete
Difference between pollination and fertilization
Find the probability that a non leap year chosen at random has a) 52 Sundays b) 53 Sundays
Show that the point P(-4,2) lies on the line segment joining the points A(-4,6) and B(-4,-6).
A building is in the form of a right circular cylinder surmounted by a hemispherical dome having the same base radii. The base diameter of the dome is equal to 2/3 of the total height of the building. Find the height if the building, if it contains 67 1/21 cubic meter of air.
a circular sheet of radius 18cm is divided into 9 equal parts (a)find measure of central angle of the sector? (b)find the slant height of the clone which can made by the sector? (c)find the lateral surface area of clone thus formed?
1}if x+4,3x-2,4x-2 .............are in a.p (a)find the value of x? (b)write the sequence? (c)find the nth term of the sequence? 2}Two person are standing at opposite direction of flag post at of height 75m at an equal distance from the base of the flag post and looking the tip of the flag post at an angle of 45 . find the distance between two person?
Will Ethanol form micelles?
Evolution can be equated with progress".justify the statement.
Define reproductive isolation with example?
properties of some elements are given.name them if possible and where would we locate this elements? 1.an element with variable valency(more than one)stored under water. 2.an element which is tetra valent in organic chemistry.
What is the pheno typic ratio of a dihybrid cross in F2 generation?
Name the (4th) fourth member of alkene series.
The sum of first q terms of an AP is is 63q-3q². If the p-th term is -60, find the value of p. Also find the 11th term of this AP.
The n-th term of an AP is 7-4n. Find its common difference.
The angle of elevation of the top of a tower as seen from a point on the ground is (say) ? such that tan ?= 3/4. From another point, 240 m away from this point on the line joining this point to the foot of the tower, the angle of elevation (say) 'a' of the top of the tower is such that tan 'a' = 5/12. Find the height of the tower.
The area of the incircle of an equilateral triangle is 154 square centimeter.What is the perimeter of the triangle? (Use ?3= 1.73)