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Redraw the flow-chart with corrections. Explain in brief the process of obtaining energy through oxidation of carbohydrates, lipids & proteins.
Concept: Production of ATP
Give a scientific reason:
Hydroelectric energy, solar energy and wind energy are called renewable energies.
Concept: Electricity Generation using Hydroelectric Energy
Identify my class/phylum and give one example of it:
I live in your small intestine, my body is long and thread like and pseudocoelomate.
Concept: Non Chordates (Invertebrata) >> Phylum: Aschelminthes
What will you do? Why?
Your sister has become incommunicative. She prefers to remain alone.
Concept: Concept of Social Health
Observe the following picture and state what can be the outcome.
Concept: Concept of Social Health
Give the structural formula of ethanol.
Concept: Ethanol
Solve the following quadratic equation by using formula method: 5m2 + 5m – 1 = 0
Concept: Nature of Roots of a Quadratic Equation
Solve the equation by using the formula method. 3y2 +7y + 4 = 0
Concept: Nature of Roots of a Quadratic Equation
Find the sum of all numbers from 50 to 350 which are divisible by 6. Hence find the 15th term of that A.P.
Concept: Sum of First ‘n’ Terms of an Arithmetic Progressions
Find the term t15 of an A.P. : 4, 9, 14, …………..
Concept: General Term of an Arithmetic Progression
If the 9th term of an A.P. is zero, then prove that 29th term is double of 19th term.
Concept: General Term of an Arithmetic Progression
Decide whether the following sequence is an A.P., if so find the 20th term of the progression:
–12, –5, 2, 9, 16, 23, 30, ..............
Concept: General Term of an Arithmetic Progression
The sequence −10, −6, −2, 2, ... is ______.
Concept: Sum of First ‘n’ Terms of an Arithmetic Progressions
Choose the correct alternative answer for the following question.
For an given A.P. a = 3.5, d = 0, n = 101, then tn = ....
Concept: Sum of First ‘n’ Terms of an Arithmetic Progressions
The Sum of first five multiples of 3 is ______.
Concept: Sum of First ‘n’ Terms of an Arithmetic Progressions
In an A.P. the first term is – 5 and the last term is 45. If the sum of all numbers in the A.P. is 120, then how many terms are there? What is the common difference?
Concept: Sum of First ‘n’ Terms of an Arithmetic Progressions
If the sum of first p terms of an A.P. is equal to the sum of first q terms then show that the sum of its first (p + q) terms is zero. (p ≠ q)
Concept: Sum of First ‘n’ Terms of an Arithmetic Progressions
The first term of an A. P. is 5 and the common difference is 4. Complete the following activity and find the sum of the first 12 terms of the A. P.
a = 5, d = 4, s12 = ?
`s_n = n/2 [ square ]`
`s_12 = 12/2 [10 +square]`
`= 6 × square `
` =square`
Concept: Sum of First ‘n’ Terms of an Arithmetic Progressions
Market value of a share is Rs 200. If the brokerage rate is 0.3% then find the purchase value of the share.
Concept: Shares
The market value of a mutual fund is 400 crore rupees. Which is divided into 8 crore units.
(a) Suppose you invest Rs. 10,000 in the units, how many units will you get ?
(b) While selling the units if their market value is increased by 10%, how much amount will you get by selling them ?
Concept: Mutual Funds and Systematic Investment Plan
